7.11. Bootstrap5 button

<button type="button" class="btn">Basic buttonsbutton>
<button type="button" class="btn btn-primary">Main buttonsbutton>
<button type="button" class="btn btn-secondary">Secondary buttonbutton>
<button type="button" class="btn btn-success">successbutton>
<button type="button" class="btn btn-info">informationbutton>
<button type="button" class="btn btn-warning">warnbutton>
<button type="button" class="btn btn-danger">dangerousbutton>
<button type="button" class="btn btn-dark">blackbutton>
<button type="button" class="btn btn-light">light colourbutton>
<button type="button" class="btn btn-link">linkbutton>
   
 Button classes can be used on elements such as,, or:   
 
  7.11.2.  Example  ¶  
 
 
 
<a href="#" class="btn btn-info" role="button">Link buttona>
<button type="button" class="btn btn-info">buttonbutton>
<input type="button" class="btn btn-info" value="Input box button">
<input type="submit" class="btn btn-info" value="Submit button">
<input type="reset" class="btn btn-info" value="Reset button">
   
 
 Button to set the border  ¶  
 
 Bootstrap 5 can also set the button multi-border, move the mouse over the button to add prominence to the effect: 
 
  
 
  7.11.3.  Example  ¶  
 
 
 
<button type="button" class="btn btn-outline-primary">Main buttonsbutton>
<button type="button" class="btn btn-outline-secondary">Secondary buttonbutton>
<button type="button" class="btn btn-outline-success">successbutton>
<button type="button" class="btn btn-outline-info">informationbutton>
<button type="button" class="btn btn-outline-warning">warnbutton>
<button type="button" class="btn btn-outline-danger">Dangerbutton>
<button type="button" class="btn btn-outline-dark">blackbutton>
<button type="button" class="btn btn-outline-light text-dark">light colourbutton>
   
 
 Buttons of different sizes  ¶  
 
 Bootstrap 5 can set the size of the button, using the   .btn-lg   class to set large buttons, using the   .btn-sm   class settings mini button: 
 
  
 
  7.11.4.  Example  ¶  
 
 
 
<button type="button" class="btn btn-primary btn-lg">Large buttonbutton>
<button type="button" class="btn btn-primary">default buttonbutton>
<button type="button" class="btn btn-primary btn-sm">Small buttonbutton>
   
 
 Block level button  ¶  
 
 By adding   .btn-block   class can set block-level buttons   .d-grid   class is set in the parent element: 
 
  
 
  7.11.5.  Example  ¶  
 
 
 
<div class="d-grid">
    <button type="button" class="btn btn-primary btn-block">utton 1button>
div>
   
 If you have multiple block-level buttons, you can use the   .gap-\*   class to set: 
  
 
  7.11.6.  Example  ¶  
 
 
 
<div class="d-grid gap-3">
  <button type="button" class="btn btn-primary btn-block">100% button widthbutton>
  <button type="button" class="btn btn-primary btn-block">100% button widthbutton>
  <button type="button" class="btn btn-primary btn-block">100% button widthbutton>
div>
   
 
 Activate and disable button  ¶  
 
 The button can be set to activate or disable clicks. 
 
   .active   class can set the button to be available   disabled   property to set that the button is unclickable. Be careful      element does not support   disabled   property, you can add the   .disabled   class to prohibit the click of a link.    
 
  7.11.7.  Example  ¶  
 
 
 
<button type="button" class="btn btn-primary active">After clicking the buttonbutton>
<button type="button" class="btn btn-primary" disabled>Button prohibited from clickingbutton>
<a href="#" class="btn btn-primary disabled">Prohibited links to click ona>
   
 
 Load button  ¶  
 
 We can also set a button that is being loaded. 
 
  
 
  7.11.8.  Example  ¶  
 
 
 
<button class="btn btn-primary">
  <span class="spinner-border spinner-border-sm">span>
button>

<button class="btn btn-primary">
  <span class="spinner-border spinner-border-sm">span>
  Loading..
button>

<button class="btn btn-primary" disabled>
  <span class="spinner-border spinner-border-sm">span>
  Loading..
button>

<button class="btn btn-primary" disabled>
  <span class="spinner-grow spinner-grow-sm">span>
  Loading..
button>
     
                    
                
                

                    

                        

                            
                                Article link
                            
                            ：
                            7.11. Bootstrap5 button 
                        
                    
                
            
        
        

            

    
        
        

            

                

                    
                        
                            
                                Web框架 
                            
                            
                        
                             946
                        
                    
                    
                    
                        

                            
 
 
 
                        

                    
                
                

                    
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                1. Angularjs2 
                                            
                                            
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                                                1. SVG tutorial 
                                            
                                            
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                                                1. Memcached 
                                            
                                            
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                                                1. C# tutorial 
                                            
                                            
                                                61
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                1. Sqlite 
                                            
                                            
                                                47
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                2. Go 
                                            
                                            
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                                                2. Docker 
                                            
                                            
                                                59
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                2. Vue3 
                                            
                                            
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                                                2. Servlet 
                                            
                                            
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                                                3. React 
                                            
                                            
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                                                3. SOAP tutorial 
                                            
                                            
                                                10
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                3. Android 
                                            
                                            
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                                                3. Mongodb 
                                            
                                            
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                                                3. Kotlin 
                                            
                                            
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                                                4. Lua 
                                            
                                            
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                                                4. MySQL tutorial 
                                            
                                            
                                                35
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                4. Appml 
                                            
                                            
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                                                5. Perl 
                                            
                                            
                                                45
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                5. Postgresql 
                                            
                                            
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                                                web 
                                            
                                            
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                                                5. Web Services tutorial 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                6. Ruby 
                                            
                                            
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                                                6. Design-pattern 
                                            
                                            
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                                                7. Django 
                                            
                                            
                                                18
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                7. Rust 
                                            
                                            
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                                                6. WSDL tutorial 
                                            
                                            
                                                8
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                8. Foundation 
                                            
                                            
                                                39
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                9. Ios 
                                            
                                            
                                                43
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                8. Css3 
                                            
                                            
                                                26
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                9. Swift 
                                            
                                            
                                                44
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                11. HTML tutorial-(HTML5 Standard) 
                                            
                                            
                                                54
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                12. Http 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                13. Regex 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                14. Regexp 
                                            
                                            
                                                8
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                    
                
            
        
    
    
        
        

            

                

                    
                        
                            
                                《地理信息系统原理、技术与方法》 
                            
                            
                        
                             97
                        
                    
                    
                    
                        

                            
 
 
 最近几年来，地理信息系统无论是在理论上还是应用上都处在一个飞速发展的阶段。 GIS被应用于多个领域的建模和决策支持，如城市管理、区划、环境整治等等，地理信息成为信息时代重要的组成部分之一； “数字地球”概念的提出，更进一步推动了作为其技术支撑的GIS的发展。 与此同时，一些学者致力于相关的理论研究，如空间感知、空间数据误差、空间关系的形式化等等。 这恰好说明了地理信息系统作为应用技术和学科的两个方面，并且这两个方面构成了相互促进的发展过程。 
 
 
                        

                    
                
                

                    
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                1. Introduction to geographic information system 
                                            
                                            
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                                                2. From the Real World to the Bit World 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                3. Spatial Data Model 
                                            
                                            
                                                7
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                4. 空间参照系统和 地图投影 
                                            
                                            
                                                5
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                5. Data in GIS 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                6. Spatial data acquisition 
                                            
                                            
                                                2
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                7. Spatial Data Management 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                8. Spatial analysis 
                                            
                                            
                                                8
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                9. 数字地形模型（ DTM ）与地形分析 
                                            
                                            
                                                5
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                10. 空间建模与 空间决策支持 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                11. Spatial data representation and map making 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                12. 3S Integration Technology 
                                            
                                            
                                                5
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                13. 网络地理信息系统 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                14. Examples of Geographic Information System Application 
                                            
                                            
                                                8
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                15. Organization and Management of Geographic Information System Application Projects 
                                            
                                            
                                                9
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                16. Geographic Information system Software Engineering Technology 
                                            
                                            
                                                6
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                17. Geographic Information System Standards 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                18. Geographic Information System and Society 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                19. Earth Information Science and Digital Earth 
                                            
                                            
                                                3
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                    
                
            
        
    
    
        
        

            

                

                    
                        
                            
                                WEB基础 
                            
                            
                        
                             289
                        
                    
                    
                    
                        

                            
 
 
 
                        

                    
                
                

                    
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                2. ADO tutorial 
                                            
                                            
                                                23
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                4. W3C tutorial 
                                            
                                            
                                                16
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                5. Data-structures 
                                            
                                            
                                                31
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                8. Scala 
                                            
                                            
                                                41
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                    
                                                7. Bootstrap5 
                                            
                                            
                                                37
                                            
                                        
                                        
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.19. Bootstrap5 drop-down menu 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.35. Bootstrap5 input box group 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            >
                                                            7.11. Bootstrap5 button 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.2. Bootstrap5 installation and use 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.7. Bootstrap5 form 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.17. Bootstrap5 list group 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.29. Bootstrap5 gadget 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.31. Bootstrap5 form 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.3. Bootstrap5 container 
                                                        
                                                    
                                                
                                            
                                                
                                                    

                                                        
                                                            
                                                            7.32. Bootstrap5 drop-down menu 
                                                        
                                                    
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                10. Markdown 
                                            
                                            
                                                10
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                9. Echarts 
                                            
                                            
                                                12
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                11. Maven 
                                            
                                            
                                                20
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                10. Font-awesome 
                                            
                                            
                                                17
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                12. RDF tutorial 
                                            
                                            
                                                11
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                13. Sass 
                                            
                                            
                                                15
                                            
                                        
                                        
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                            
                                        
                                    
                                
                            
                        
                        

                            
                                
                                    
                                        
                                        
                                            
                                                
                                                15. XML Schema tutorial 
                                            
                                            
                                                56