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How does the front end adaptively compress the image according to the state of the network?
first of all, let s talk about the meaning of adaptive compression on my side: the src stores the bitmap in the img tag, the data-ori stores the address of the original image, and the page onload loads the big image according to the network status (src...
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How to understand how to use refs to reduce the consumption of dom nodes
how do you understand that using refs can reduce the consumption of dom nodes? If you see an example on the official website of Vue, you will use ref,refs. .
is the understanding and illustration of the following example correct?
<!DOCTYPE html>...
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-64f5-1bf3d6e-316ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf3d6e-316ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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