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How to pull request a wiki page on GitHub?
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grtjn
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answered Jul 14 '12 at 7:27
CalrionCalrion
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What is the most robust way to force a UIView to redraw?
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194
The guaranteed, rock solid way to force a UIView to re-render is [myView setNeedsDisplay]. If yo...
Most efficient way to reverse a numpy array
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244
When you create reversed_arr you are creating a view into the original array. You can then cha...
How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
...(Feb 2nd): Contrary to previous reports, it's been discovered that Android 4.4 does in fact work with ARM translation, although it is buggy. Follow the steps the same as before, just make sure you download the 4.4 GApps.
UPDATE-v1.1: I've gotten more up-to-date builds of libhoudini and have updated ...
Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
Why are iframes considered dangerous and a security risk?
...laneDiodeus - James MacFarlane
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Are tuples more efficient than lists in Python?
...much faster than assigning a list.
>>> def a():
... x=[1,2,3,4,5]
... y=x[2]
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>>> def b():
... x=(1,2,3,4,5)
... y=x[2]
...
>>> import dis
>>> dis.dis(a)
2 0 LOAD_CONST 1 (1)
3 LOAD_CONST 2 ...
How to merge lists into a list of tuples?
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460
In Python 2:
>>> list_a = [1, 2, 3, 4]
>>> list_b = [5, 6, 7, 8]
>>&g...
Why check both isset() and !empty()
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422
This is completely redundant. empty is more or less shorthand for !isset($foo) || !$foo, and !...
Difference between char* and const char*?
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417
char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to...