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Why does the order of the loops affect performance when iterating over a 2D array?
...rought over to the CPU in little chunks (called 'cache lines'), typically 64 bytes. If you have 4-byte integers, that means you're geting 16 consecutive integers in a neat little bundle. It's actually fairly slow to fetch these chunks of memory; your CPU can do a lot of work in the time it takes for...
Split string into array of character strings
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124
"cat".split("(?!^)")
This will produce
array ["c", "a", "t"]
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C++: How to round a double to an int? [duplicate]
I have a double (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised.
5 Answe...
PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l
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edited Jul 3 '14 at 22:19
Martin Tournoij
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Unresolved Import Issues with PyDev and Eclipse
...lem that's just becoming exceedingly annoying. I am using Ubuntu Linux 10.04.
11 Answers
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How to Reverse Fragment Animations on BackStack?
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edited Sep 14 '15 at 15:46
answered Jun 4 '12 at 18:56
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Git undo local branch delete
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edited Mar 13 '15 at 8:40
sashoalm
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answ...
Way to go from recursion to iteration
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345
Usually, I replace a recursive algorithm by an iterative algorithm by pushing the parameters th...
Integer to hex string in C++
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edited Aug 28 '13 at 14:40
user283145
answered Feb 24 '11 at 5:30
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
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746
Pointers is a concept that for many can be confusing at first, in particular when it comes to c...