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ActiveRecord.find(array_of_ids), preserving order
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71
The answer is for mysql only
There is a function in mysql called FIELD()
Here is how you could ...
Extract substring in Bash
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725
Use cut:
echo 'someletters_12345_moreleters.ext' | cut -d'_' -f 2
More generic:
INPUT='som...
How to call a function from a string stored in a variable?
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476
$functionName() or call_user_func($functionName)
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How to name factory like methods?
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answered Jul 30 '10 at 5:27
Jason WilliamsJason Williams
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Tracking CPU and Memory usage per process
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167
Just type perfmon into Start > Run and press enter. When the Performance window is open, clic...
How can I get the current page name in WordPress?
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Jonathan Fingland
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answered Jan 29 '11 at 15:58
AJJAJJ
6,500...
Python: json.loads returns items prefixing with 'u'
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170
The u- prefix just means that you have a Unicode string. When you really use the string, it wo...
How to insert newline in string literal?
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Keith
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answered Nov 3 '10 at 9:44
Jon SkeetJon Sk...
Swift - which types to use? NSString or String
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edited May 23 '17 at 12:10
Community♦
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answered Jun 4 '14 at 13:24
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Is there a goto statement in Java?
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edited Jun 26 '17 at 9:40
answered Mar 30 '10 at 12:33
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