Judge - Related information

• About the judgment of writing code

  I feel less and less able to write code. At present, there is a problem, that is, when does need to be judged, and when is the judgment redundant and unnecessary? for example, 1, do you judge the addition, deletion, modification and query of the dat...

  Judge code

  Apr.01,2021
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-64f5-1e5b272-27b43.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5b272-27b43.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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