file-read - Related information

• Why there are two txt=fo.read (2)

  Is it necessary for txt = fo.read (2) before while to appear? Why not connect to while, directly after fo = open (fname, "r ") how to understand the logic in this? ... txt = fo.read(2) while txt != "": txt = fo read(2) ... ...

  Python file-read

  Nov.12,2021
• Laravel forbids direct access to files in a directory under storage

  for example, I have such a file storage app public report 1 14.pdf, in the laravel project through the php artisan storage:link command, which can be accessed directly using http: domain storage report ., but because of the particularity of this pdf,...

  Laravel file-read

  Mar.17,2021
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-64f5-1e4c063-43ba6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4c063-43ba6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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