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Numpy where function multiple conditions
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Can I make the foreign key field optional in Django model
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akki
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answered Jul 8 '11 at 4:58
Abid AAbid A
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Using async-await on .net 4
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Omer MorOmer Mor
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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ds to vacuity:
[a, *[], b] # => [a, b]
One difference between ruby 1.8 and ruby 1.9 is with nil.
[a, *nil, b] # => [a, b] (ruby 1.9)
[a, *nil, b] # => [a, nil, b] (ruby 1.8)
Be careful with objects on which to_a is defined, as to_a will be applied in such cases:
[a, *{k: :v}, ...
Add a number to each selection in Sublime Text 2, incremented once per selection
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PJSCopeland
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answered Feb 3 '13 at 8:15
aantonaanton
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Modulo operator with negative values [duplicate]
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From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % operator
yields the remainder from the division of the first expression by the
second. If the second operand of / or % is zero the behavio...
Doing something before program exit
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– RacecaR
Oct 3 '10 at 15:08
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It will be called if you press Ctrl+C. That simply raise...
Difference between . and : in Lua
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Yu Hao
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answered Feb 6 '11 at 2:55
BMitchBMitch
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How to loop through all but the last item of a list?
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edited Sep 23 '15 at 8:47
slhck
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How do I find the number of arguments passed to a Bash script?
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282
The number of arguments is $#
Search for it on this page to learn more:
http://tldp.org/LDP/ab...
