Many online source code indents 2 spaces, how to quickly change to indent 4 spaces or 1 Tab, default setting to 1 Tab is 4 spaces

as described in the title. Indenting 2 spaces makes people look uncomfortable and unclear.

Ide visual-studio-code
Mar.22,2021

replace

with sed script

use ide to format code

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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-64f5-1b3d1fa-2bae7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3d1fa-2bae7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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