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git visual diff between branches
...with gitk.
> gitk branch1 branch2
First click on the tip of branch1. Now right-click on the tip of branch2 and select Diff this->selected.
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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just a side note for those who dont know, we start adding arguments from index 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
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how to release localhost from Error: listen EADDRINUSE
...lt;port> 0.0.0.* LISTEN <pid>/<parent>
Now kill by pid:
kill -9 <pid>
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What does $@ mean in a shell script?
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@Alfe I know;I just hat forgotten it. Think of it as for a in start_token "$@" end_token; do something_with "$a"; done :-)
– glglgl
Apr 3 '12 at 14:39
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How to change colors of a Drawable in Android?
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I know this question was ask way before Lollipop but I would like to add a nice way to do this on Android 5.+. You make an xml drawable that references the original one and set tint on it like such:
<?xml version="1.0" encod...
Accurate way to measure execution times of php scripts
I want to know how many milliseconds a PHP for-loop takes to execute.
14 Answers
14
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Use of #pragma in C
... thread 3
Note that the order of output can vary on different machines.
now let me tell you what #pragma did...
it tells the OS to run the some block of code on 4 threads
this is just one of many many applications you can do with the little #pragma
sorry for the outside sample OpenMP
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AngularJS and its use of Dollar Variables
Does anyone know if the reasoning behind the use of dollar methods and variables in angularJS is to instruct angularJS to avoid checking those values when a digestion is going on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefix...
Is there a way to view past mysql queries with phpmyadmin?
...n't re-install a database to check it history)
– JinSnow
Aug 20 '14 at 15:15
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Doesn't log index ...
How can I join elements of an array in Bash?
...when the delimiter starts with a hyphen (and maybe others I can't think of now). You can of course fix these (replace backslashes by double backslashes and use printf -- "$d%s"), but at some point you'll feel that you're fighting against the shell instead of working with it. That's why, in my answer...