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Print array elements on separate lines in Bash?
...even Penny
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answered Mar 28 '13 at 20:57
Gilles QuenotGilles Quenot
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How to clear gradle cache?
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As @Bradford20000 pointed out in the comments, there might be a gradle.properties file as well a...
how to get program files x86 env variable?
...files(x86)% ==> C:\Program Files (x86)
On a 64-bit machine running in 32-bit (WOW64) mode:
echo %programfiles% ==> C:\Program Files (x86)
echo %programfiles(x86)% ==> C:\Program Files (x86)
On a 32-bit machine running in 32-bit mode:
echo %programfiles% ==> C:\Program F...
How to sort a list in Scala by two fields?
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seniasenia
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Error: could not find function … in R
...n code created for a newer version. Newly added functions (eg hasName in R 3.4.0) won't be found then. If you use an older R version and want to use a newer function, you can use the package backports to make such functions available. You also find a list of functions that need to be backported on t...
Overriding a Rails default_scope
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edited May 23 '17 at 12:10
Community♦
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answered Dec 2 '09 at 16:50
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Nested attributes unpermitted parameters
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edited Mar 25 '16 at 7:39
illusionist
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answered...
How do you commit code as a different user?
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3 Answers
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Active
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Explicitly select items from a list or tuple
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list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342...