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ActiveRecord.find(array_of_ids), preserving order
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edited Jul 7 at 18:14
Abel
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answered Nov 6 '09 at 6:25
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Regular expression for matching HH:MM time format
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Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may work better:
^([0-1]?[0-9]|2[0-3]):[0-5][0-9]$
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Difference between Service, Async Task & Thread?
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edited Dec 13 '19 at 5:46
Sreekanth Karumanaghat
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How do you move a file?
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answered Sep 5 '08 at 15:46
Commodore JaegerCommodore Jaeger
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Can I add jars to maven 2 build classpath without installing them?
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24 Answers
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The specified type member 'Date' is not supported in LINQ to Entities Exception
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edited Oct 4 '16 at 7:33
Jan Willem B
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Using print statements only to debug
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Matt JoinerMatt Joiner
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How can I open the interactive matplotlib window in IPython notebook?
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According to the documentation, you should be able to switch back and forth like this:
In [2]:...
Getting output of system() calls in Ruby
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I'd like to expand & clarify chaos's answer a bit.
If you surround your command with backt...