1. Memcached

  • 1.1. Memcached tutorial

    Memcached is a free open source, high-performance, distributed in-memory object caching system. Memcached is a software de...
    2025-10-25 13:33:42 UTC
  • 1.2. Linux Memcached installation

    Memcached supports many platforms: Linux, FreeBSD, Solaris, Mac OS, and can also be installed on Windows. Linux system ins...
    2025-10-25 13:33:43 UTC
  • 1.3. Install Memcached under Windows

    Memcached’s Windows platform installation package is not available on the official website. We can download it using the fol...
    2025-10-25 13:33:44 UTC
  • 1.4. Memcached connection

    We can pass. telnet command and specify the host ip and port to connect``Memcached`` service. 1.4.1. Grammar ¶ ...
    2025-10-25 13:33:43 UTC
  • 1.5. Memcached set command

    Memcached set command is used to use the value (data value) is stored in the specified key . If set of k...
    2025-10-25 13:33:43 UTC
  • 1.6. Memcached add command

    Memcached add command is used to use the value (data value) is stored in the specified key . If add of k...
    2025-10-25 13:33:43 UTC
  • 1.7. Memcached replace command

    Memcached replace command is used to replace the existing key value (data value). If key does not exist, t...
    2025-10-25 13:33:43 UTC
  • 1.8. Memcached append command

    Memcached append command is used to report to an existing key value append data after (data value). 1.8.1. ...
    2025-10-25 13:33:43 UTC
  • 1.9. Memcached prepend command

    Memcached prepend command is used to report to an existing key value (data value) append data before. 1.9.1....
    2025-10-25 13:33:42 UTC
  • 1.11. Memcached get command

    Memcached get command to get the data stored in the key in (key) value (data value) if key does not exist, e...
    2025-10-25 13:33:43 UTC
  • 1.12. Memcached gets command

    Memcached gets command with the CAS token store value (data value)if key does not exist, empty is returned. ...
    2025-10-25 13:33:44 UTC
  • 1.13. Memcached delete command

    Memcached delete command is used to delete an existing key . 1.13.1. Syntax: ¶ The delete basic syntax ...
    2025-10-25 13:33:43 UTC
  • 1.14. Memcached incr and decr commands

    Memcached incr and decr command is used for existing key the numeric value of (key) is used for self-increasing or s...
    2025-10-25 13:33:42 UTC
  • 1.15. Memcached stats command

    Memcached stats the command returns statistics such as PID (process number), version number, number of connections, and ...
    2025-10-25 13:33:44 UTC
  • 1.16. Memcached stats items command

    Memcached stats items the command is used to display each slab in item number and storage duration (the number...
    2025-10-25 13:33:43 UTC
  • 1.17. Memcached stats slabs command

    Memcached stats slabs the command is used to display each slab information, including chunk the size, number, ...
    2025-10-25 13:33:43 UTC
《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。