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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...
Create Django model or update if exists
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bakkalbakkal
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Using a bitmask in C#
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answered Jul 16 '10 at 2:17
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Nathan Weizenbaum Nathan Weizenbaum
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How do I create directory if it doesn't exist to create a file?
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DonDon
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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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DanielDaniel
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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This solution works even in strictly POSIX-compliant shells and therefore also in bash; however, to take full advantage of "bashisms", see ...