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Is it better to save the log to the database or the local file?
this is true. If the mall wants to dock with third-party payment, now it needs to add a callback log in the payment callback entry, and all requests that have entered the callback are saved in the log. Now there is a question as to whether the callback l...
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How to solve a logical problem in the interview with help?
calculate any 3 (1 to 9) natural numbers, which can be combined to form 24 by adding and subtracting multipliers. For example, one can get 24. 24 through operations like 1X3X8. Or 7: 8 + 9 = 24 list all the numbers that meet this condition. Regardless o...
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-64f5-1e43917-43771.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e43917-43771.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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