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How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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Using jquery to get element's position relative to viewport
...left: 0; top: 0; font: medium monospace; background-color: #EEE8AA; }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<!-- scroll right and bottom to locate the blue square -->
<div id="element"></div>
<div id="log">&...
Can linux cat command be used for writing text to file?
...o write raw text to files, to update my CPU-settings. Hope this helps out!
Script:
#!/bin/sh
cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF
performance
EOF
cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF
performance
EOF
This writes the tex...
Input placeholders for Internet Explorer
...pendencies (so no need to include jQuery, unlike most placeholder polyfill scripts)."
Edit: For those more interested in "how" that "what", How to create an advanced HTML5 placeholder polyfill which walks through the process of creating a jQuery plugin that does this.
Also, see keep placeholder on...
Simple argparse example wanted: 1 argument, 3 results
...it with argparse (with multiple args):
parser = argparse.ArgumentParser(description='Description of your program')
parser.add_argument('-f','--foo', help='Description for foo argument', required=True)
parser.add_argument('-b','--bar', help='Description for bar argument', required=True)
args = vars(...
How to delete images from a private docker registry?
...lly removing the reference to the associated images. Then you can run this script to remove all images, that are not referenced by any tag or the ancestry of any used image.
Terminology (images and tags)
Consider an image graph like this where the capital letters (A, B, ...) represent short image ...
jQuery .data() does not work, but .attr() does
... length of the selectors after they've been set, jsbin.com/acegef/edit#javascript,html,live
– Ian Davis
Jan 3 '12 at 20:34
9
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Delete all local git branches
...s git branch -D
Importantly, as noted by @AndrewC, using git branch for scripting is discouraged. To avoid it use something like:
git for-each-ref --format '%(refname:short)' refs/heads | grep -v master | xargs git branch -D
Caution warranted on deletes!
$ mkdir br
$ cd br; git init
Initiali...
Python function overloading
...
...
>>> @dispatch(Sprite, LambdaType)
... def add_bullet(sprite, script):
... print("Called version 3")
...
>>> @dispatch(Sprite, Curve, int)
... def add_bullet(sprite, curve, speed):
... print("Called version 4")
...
>>> sprite = Sprite('Turtle')
>>> st...
Eclipse hangs on loading workbench
...mentioned - which seems to have the same or even better effect.
Here is a script for MacOS (using Macports) and Linux (tested on Ubuntu with Eclipse
Equinox) to do the start with an an optional kill of the running eclipse. You might want to adapt the script to your needs. If you add new platforms p...