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Which is the preferred way to concatenate a string in Python?
...e is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to ex...
Debugging iframes with Chrome developer tools
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answered Dec 20 '11 at 20:08
MetagrapherMetagrapher
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
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edited Nov 3 '16 at 20:41
Peter Mortensen
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Namespace for [DataContract]
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edited Apr 30 '18 at 14:03
Daniel
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answered Sep 13 '11 at 12:25
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Way to ng-repeat defined number of times instead of repeating over array?
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Update (9/25/2018)
Newer versions of AngularJS (>= 1.3.0) allow you to do this with only a variable (no function needed):
<li ng-repeat="x in [].constructor(number) track by $index">
<span>{{ $index+1 }}</span>
<...
How to execute an external program from within Node.js?
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var exec = require('child_process').exec;
exec('pwd', function callback(error, stdout, stderr){
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Do you use NULL or 0 (zero) for pointers in C++?
...as bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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Python equivalent for PHP's implode?
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answered Aug 21 '12 at 10:48
MatthiasMatthias
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Default visibility of class methods in PHP
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edited Feb 8 '10 at 19:55
Anthony Forloney
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Java Generics (Wildcards)
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answered Oct 30 '08 at 23:10
Bill the LizardBill the Lizard
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