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What is the (function() { } )() construct in JavaScript?
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876
It’s an Immediately-Invoked Function Expression, or IIFE for short. It executes immediately af...
Best way to give a variable a default value (simulate Perl ||, ||= )
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answered Apr 22 '16 at 14:48
jpschroederjpschroeder
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What's the algorithm to calculate aspect ratio?
...r you're looking for an usable aspect ratio integer:integer solution like 16:9 rather than a float:1 solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the G...
Getting All Variables In Scope
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Daniel Wolf
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answered Jan 12 '10 at 19:23
T.J. CrowderT.J. Cr...
How to determine CPU and memory consumption from inside a process?
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658
Windows
Some of the above values are easily available from the appropriate WIN32 API, I just ...
Python argparse: Make at least one argument required
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args = vars(parser.parse_args())
if not any(args.values()):
parser.error('No arguments provided.')
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Python division
...t:
>>> float(10 - 20) / (100 - 10)
-0.1111111111111111
or from __future__ import division, which the forces / to adopt Python 3.x's behavior that always returns a float.
>>> from __future__ import division
>>> (10 - 20) / (100 - 10)
-0.1111111111111111
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PHP method chaining?
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answered Sep 16 '10 at 6:10
Kristoffer Sall-StorgaardKristoffer Sall-Storgaard
9,86655 gold badges3232 silver badges4646 bronze badges
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When to use dynamic vs. static libraries
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answered Sep 26 '08 at 15:08
Orion AdrianOrion Adrian
17.5k1212 gold badges4545 silver badges6464 bronze badges
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Python 2.7 getting user input and manipulating as string without quotations
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262
Use raw_input() instead of input():
testVar = raw_input("Ask user for something.")
input() a...