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Is there a way to use shell_exec without waiting for the command to complete?
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I usually get PID of running script by adding echo $! >> /tmp/pid.txt at the end of exec command but by redirecting output & error to /dev/null, no more pid file : does any of you can get PID of script launched by exec while not waiting for ou...
How do I programmatically determine if there are uncommitted changes?
...n see "How to check if a command succeeded?" if you are using it in a bash script:
git diff-index --quiet HEAD -- || echo "untracked"; // do something about it
Note: as commented by Anthony Sottile
git diff-index HEAD ... will fail on a branch which has no commits (such as a newly initialized repo...
CKEditor instance already exists
...it in a much simpler way...
I was using the class "ckeditor" in my jQuery script as the selector for which textareas I wanted use for CKEditor. The default ckeditor JS script also uses this class to identify which textareas to use for CKEditor.
This meant there is a conflict between my jQuery scr...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
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The github project JavaScript-Load-Image provides a complete solution to the EXIF orientation problem, correctly rotating/mirroring images for all 8 exif orientations. See the online demo of javascript exif orientation
The image is drawn onto an H...
Checking in packages from NuGet into version control?
...lPath)" -o Packages' />
<!-- optional for project that has JavaScript content -->
<CreateItem Include="Packages\*\Content\Scripts\*">
<Output TaskParameter="Include" ItemName="NuGetJSFiles"/>
</CreateItem>
<Copy SourceFiles="@(NuGetJSFiles)" Des...
In Bash, how can I check if a string begins with some value?
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This snippet on the Advanced Bash Scripting Guide says:
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # Tru...
How to organize large R programs?
When I undertake an R project of any complexity, my scripts quickly get long and confusing.
11 Answers
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GUI not working after rewriting to MVC
...el, which has a variety of fireTable*Changed/Updated/etc methods that will alert all of its TableModelListener observers of mods to the model.
One option you have is to add a listener type to your Model class, and then notify your registered observers of any mods to the state of your model. Your...
How to create a temporary directory?
...like the following. That way the temp dir will always be deleted after the script exits.
The cleanup function is executed on the EXIT signal. That guarantees that the cleanup function is always called, even if the script aborts somewhere.
#!/bin/bash
# the directory of the script
DIR="$( cd "...
How do I uninstall nodejs installed from pkg (Mac OS X)?
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@nicerobot Thanks for the gist/script! Probably should point out to others that the actual gist page for that script is here. Also, being a n00b to running .sh scripts myself, I had to $ chmod u+x uninstall-node.sh and then $ ./uninstall-node.sh before it ...