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What do I need to read to understand how git works? [closed]
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edited Oct 15 '14 at 3:17
Iain
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answered Nov 4 '08 at...
how perform grep operation on all files in a directory
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answered Feb 4 '15 at 19:19
RobRob
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How do I create a comma-separated list from an array in PHP?
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answered Mar 12 '10 at 19:24
ryeguyryeguy
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Finding duplicate values in a SQL table
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Andriy M
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answered Apr 7 '10 at 18:20
gbngbn
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Ruby's ||= (or equals) in JavaScript?
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edited Oct 24 '17 at 11:52
Syed Aslam
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How do I use jQuery's form.serialize but exclude empty fields
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answered Mar 4 '09 at 14:29
Tom VinerTom Viner
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Random record in ActiveRecord
...e current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first
# Rails 3
rand_record = Model.first(:offset => offset)
To be honest, I've just been using ORDER BY RAND() or RANDOM() (depending on the database). It's not a performance issue ...
What is the difference between char array and char pointer in C?
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gsamaras
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answered Apr 17 '12 at 7:15
JonJon
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