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How to hide command output in Bash
...dy listening?" >&-
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-:
/your/first/command >&- 2>&a...
How to change options of with jQuery?
...
614
You can remove the existing options by using the empty method, and then add your new options:
...
How to swap two variables in JavaScript
...n variables a and b:
b = [a, a = b][0];
Demonstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"</p>";
b = [a, a = b][0];
output.innerHTML+="<p>Swapped: "+a+", "+b+"</p>";
<div id="...
Worth switching to zsh for casual use? [closed]
...ompletion.
Installing it is pretty easy, grab the bash-completion-20060301.tar.gz from http://www.caliban.org/bash/index.shtml#completion and extract it with
tar -xzvf bash-completion-20060301.tar.gz
then copy the bash_completion/bash_completion file to /etc with
sudo cp bash_completion/bash...
Why should I use tags vs. release/beta branches for versioning?
...o know is why use tagging at all if I can just create a new branch called 1.1.0 and not have to cloud my mind with a whole new set of git commands?
...
ImageView in circular through xml
...oid:innerRadius="0dp"
android:shape="ring"
android:thicknessRatio="1.9"
android:useLevel="false" >
<solid android:color="@android:color/transparent" />
<stroke
android:width="10dp"
android:color="@android:color/white" />
</shape>
Then make ...
How to align an image dead center with bootstrap
...
15 Answers
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VIM Ctrl-V Conflict with Windows Paste
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146
From the VIM documentation:
Since CTRLV is used to paste, you can't use it to start a bloc...
Check if something is (not) in a list in Python
...6]
True
Or with tuples:
>>> (2, 3) not in [(2, 3), (5, 6), (9, 1)]
False
>>> (2, 3) not in [(2, 7), (7, 3), "hi"]
True
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