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How to pass in a class requires a value of the same type in another class?
there is a User class whose method calculate () needs to use a member value in an instance of the external data class as the input source. In the User constructor, you need to pass in different data instances as parameters, and create different User cla...
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What template engine recommendation is there at the front end?
now I basically rely on gulp for development. I have used gulp-fileinclude before in terms of functionality, but the syntax is not very friendly, and there are no good formatting and highlighting plug-ins. Now I have switched to EJS and found that his p...
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-64f5-1e9a263-17b7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9a263-17b7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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