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How to check if a URL is valid
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the Tin Man
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answered Nov 26 '09 at 21:40
Mikael SMikael S
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Python idiom to return first item or None
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216
Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or [...
How to select a single field for all documents in a MongoDB collection?
...he help.
– user8675309
Feb 8 '19 at 21:58
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Swift - Split string over multiple lines
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akim
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answered Jun 6 '14 at 22:05
ConnorConnor
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How to make the python interpreter correctly handle non-ASCII characters in string operations?
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fortranfortran
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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answered Mar 21 '09 at 15:44
Johannes Schaub - litbJohannes Schaub - litb
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Best way to give a variable a default value (simulate Perl ||, ||= )
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212
PHP 5.3 has a shorthand ?: operator:
$foo = $bar ?: $baz;
Which assigns $bar if it's not an...
Convert normal date to unix timestamp
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221
new Date('2012.08.10').getTime() / 1000
Check the JavaScript Date documentation.
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What is the best alternative IDE to Visual Studio [closed]
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answered Nov 22 '08 at 2:21
Ian Patrick HughesIan Patrick Hughes
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Using a dispatch_once singleton model in Swift
...'s lifetime?
– Andrew
May 26 '15 at 21:53
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In the "Class constant" approach, I'd suggest (a) dec...