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• How to calculate the stage increase of the stock?

  has the following requirements: set N minutes to monitor the rise or fall of a stock by X% within N minutes, then notify the user. how is it more efficient? the stupidest way to achieve the above demand is to calculate whether the increase is a hi...

  Algorithm stock

  Dec.20,2021
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-64f5-1e50d84-66a87.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e50d84-66a87.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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