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  • What is the authentication mechanism of token?

    the following is my understanding, and I don t know whether it is correct: 1. After a successful login, the server will generate a token as the unique mark 2, and the token will be saved in both the backend database and the client 3. Each time the cl...

  • 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-64f5-1b3b7f7-2c290.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b3b7f7-2c290.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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