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How to convert a negative number to positive?
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>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) # for any n
42
Don't forget to check the docs.
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Get the first N elements of an array?
... array indices. You need the preserve_keys flag set to trueto avoid this. (4th parameter, available since 5.0.2).
Example:
$output = array_slice($input, 2, 3, true);
Output:
array([3]=>'c', [4]=>'d', [5]=>'e');
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How to not run an example using roxygen2?
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Android: integer from xml resource
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answered Oct 10 '13 at 13:45
TerryTerry
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Is there a simple way to remove unused dependencies from a maven pom.xml?
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answered Oct 4 '09 at 22:59
Pascal ThiventPascal Thivent
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jQuery get the image src
...Stuart Kershaw
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How do you downgrade rubygems?
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Ryan BiggRyan Bigg
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“Header Search Paths” vs. “User Header Search Paths” in Xcode?
...l Bourque
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answered Aug 7 '10 at 5:53
JWWalkerJWWalker
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