Best-practices - Related information

  • What are the best practices for writing thread-safe code?

    Let me summarize that for any program, we first need to know whether it will run in a multithreaded environment or whether a variable will be shared by multiple threads at the same time. If so, you need to consider the issue of thread safety. ...

  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38998-4d7c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b38998-4d7c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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