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Why do you have to call .items() when iterating over a dictionary in Python?
... -- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
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Select N random elements from a List in C#
...his algorithm.
– Ankur Goel
Feb 22 '10 at 22:52
23
ok, I ran this algorithm 10 million times on a...
Vim: Creating parent directories on save
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answered Nov 27 '10 at 22:08
ZyXZyX
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Comparing strings by their alphabetical order
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answered Dec 4 '18 at 12:10
arenaqarenaq
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What is the difference between pluck and collect in Rails?
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answered Aug 29 '12 at 10:43
apneadivingapneadiving
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Check if class already assigned before adding
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10
There's far too much attitude in this answer. Could have answered it with some tact.
– dreadwail
Feb...
How to tell if a file is git tracked (by shell exit code)?
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answered Mar 9 '10 at 5:12
hasenhasen
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Formatting Phone Numbers in PHP
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109
$data = '+11234567890';
if( preg_match( '/^\+\d(\d{3})(\d{3})(\d{4})$/', $data, $matches ) ...
iOS difference between isKindOfClass and isMemberOfClass
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answered Sep 6 '10 at 19:43
Sebastian CelisSebastian Celis
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Why was the arguments.callee.caller property deprecated in JavaScript?
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edited May 1 '14 at 19:10
Pacerier
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answ...