Namespace - Related information

  • PHP two classes use the same namespace and cannot call each other

    created two classes, C and D, both of which belong to the same namespace:func,. Instantiate C in the constructor of D and call the cc method in C, and class C under func cannot be found. ClivedeMBP:Workspace clive$ php D.php PHP Fatal error: Uncaught...

    Mar.11,2021
  • 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-64f5-1b32137-2bdfd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b32137-2bdfd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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