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Problems with css selector
want to match elements containing "I - " in a class of class class= "xxxx i-abc " match class= "i-abc " match class= "aaaai-abc " mismatch how to write ...
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Does the length of the css selector affect efficiency?
does the length of the css selector affect efficiency? such as
.grid_col4 .user .user_avatar a
and write directly
.user_avatar a
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In the css selector, why can't the nth-child selector select the first one?
for example, case: http: www.w3school.com.cn ti....
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-64f5-1e7abf2-7fd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e7abf2-7fd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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