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How to count TRUE values in a logical vector
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85
Another option which hasn't been mentioned is to use which:
length(which(z))
Just to actually...
What is the difference between single-quoted and double-quoted strings in PHP?
...tation. You don't need to escape quotes in this syntax.
Nowdoc (since PHP 5.3.0) string syntax works essentially like single quoted strings. The difference is that not even single quotes or backslashes have to be escaped. A nowdoc is identified with the same <<< sequence used for heredocs,...
Check if a folder exist in a directory and create them using C#
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Doppelganger
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answered Feb 1 '12 at 7:15
cycaHuHcycaHuH
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Preferred method to store PHP arrays (json_encode vs serialize)
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568
Depends on your priorities.
If performance is your absolute driving characteristic, then by a...
How do you move a file?
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95
Subversion has native support for moving files.
svn move SOURCE DESTINATION
See the online he...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
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jao
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answered Jan 5 '12 at 14:27
Darin DimitrovDarin Dimitrov
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How can I tell when a MySQL table was last updated?
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15 Answers
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Remove all values within one list from another list? [duplicate]
... a = range(1, 10)
>>> [x for x in a if x not in [2, 3, 7]]
[1, 4, 5, 6, 8, 9]
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