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Showing content with the highest reputation on 03/13/2020 in all areas
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Why are you even attempting to store that duration. You can get it any time you need it with a query. Rule of DB design - don't store derived data. If you really insist on storing it, why do need two queries? UPDATE attendance_records SET duration = timediff(...) WHERE ... - a single update would do the job1 point
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1. As far as I can tell, the "rules" is supposed to be a string - not an object. If you didn't need to account for is_page_loaded then you should say <validation-provider ... rules="required|positive_price"> 2. The validation function needs to return true or false. You are returning string or false.1 point
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By far the fastest way is to use the SQL statement LOAD DATA INFILE Specify FIELDS TERMINATED BY '\t'1 point
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Trying my best to not sound flippant, Have you tried Google?0 points
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