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WHERE vs HAVING
...dent_id,(YEAR(CurDate())-YEAR(birthday)) AS Age FROM Student HAVING Age>20;
/*this will not work if we use ‘where’ here, ‘where’ don’t know about age as age is defined in select part.*/
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Convert columns to string in Pandas
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MikeMike
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What does {0} mean when initializing an object?
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Don NeufeldDon Neufeld
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Difference between private, public, and protected inheritance
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edited Sep 1 '15 at 20:08
Matt Faus
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Using numpad in Vi (Vim) via PuTTY
...sers.
– Andy Barbour
May 2 '14 at 4:20
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On the Mac Terminal app, try Preferences --> Profile...
INSERT … ON DUPLICATE KEY (do nothing)
... izogfif
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ceejayozceejayoz
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Read an Excel file directly from a R script
... BenBen
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PHP shell_exec() vs exec()
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– SimpleAnecdote
Dec 29 '15 at 20:35
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How do you create a daemon in Python?
...'s code sample is superior to the original, which was originally posted in 2004. I once contributed a daemonizer for Pyro, but would probably use Sander's code if I had to do it over.
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Get the Query Executed in Laravel 3/4
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