Check - Related information

  • Can java @ Vaild be used for annotation verification on objects?

    public String save (@ RequestBody @ Valid Stad stad) there is no problem when there is only an object. Now, when saving the object, there is still a file to upload at the same time. because the object encapsulates json in the data, can I convert the...

    Mar.19,2021
  • 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-64f5-1b3091d-4d3c3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b3091d-4d3c3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    Need Help?