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Test if lists share any items in python

...imeit >>> timeit('bool(set(a) & set(b))', setup="a=list(range(1000));b=list(range(1000))", number=100000) 26.077727576019242 >>> timeit('any(i in a for i in b)', setup="a=list(range(1000));b=list(range(1000))", number=100000) 0.16220548999262974 Here's a graph of the executio...
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Create Django model or update if exists

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Using a bitmask in C#

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Append class if condition is true in Haml

... answered Aug 11 '10 at 0:50 Nathan Weizenbaum Nathan Weizenbaum 3,32611 gold badge1212 silver badges22 bronze badges ...
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How do you calculate log base 2 in Java for integers?

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How do I create directory if it doesn't exist to create a file?

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How can I strip first and last double quotes?

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How to check if a process id (PID) exists

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Why switch is faster than if

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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])

... 10 This solution works even in strictly POSIX-compliant shells and therefore also in bash; however, to take full advantage of "bashisms", see ...