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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...like the other. Real refers to actual elapsed time; User and Sys refer to CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if...
Changing .gitconfig location on Windows
...red Oct 29 '10 at 10:57
Stefan NäweStefan Näwe
2,82611 gold badge1414 silver badges1919 bronze badges
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Deep copying an NSArray
...answered Mar 15 '09 at 9:18
François P.François P.
5,11644 gold badges2929 silver badges3131 bronze badges
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Tracking CPU and Memory usage per process
I suspect that one of my applications eats more CPU cycles than I want it to. The problem is - it happens in bursts, and just looking at the task manager doesn't help me as it shows immediate usage only.
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What languages are Windows, Mac OS X and Linux written in?
...er in C, e.g. inheritance in driver code.
– Erik Alapää
Feb 23 '15 at 13:14
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How to obtain the number of CPUs/cores in Linux from the command line?
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grep -c ^processor /proc/cpuinfo
will count the number of lines starting with "processor" in /proc/cpuinfo
For systems with hyper-threading, you can use
grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}'
which should return (for e...
How to swap two variables in JavaScript
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@FrançoisWahl Good point. I think most of the answers here will work and are fairly equivalent. I suppose it's a trade off between temporary variable use, amount of code, and speed.
– showdev
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How to add screenshot to READMEs in github repository?
... github changes domain name, etc. etc.)
– Linus Unnebäck
Nov 14 '13 at 21:24
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@LinusUnnebäck: ...
How to justify a single flexbox item (override justify-content)
...ered Mar 31 '18 at 12:50
Frank LämmerFrank Lämmer
1,7141616 silver badges1919 bronze badges
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json_encode is returning NULL?
...having the same problem here. I had values with non-utf8 chars like "Validação de Formulários". I know this question is a little bit old now, but that's the awesomeness of internet!!
– fabio
Feb 11 '11 at 23:23
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