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Test if a variable is set in bash when using “set -o nounset”
...(x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not set
$ IAMNULL=""
$ [[ "${IAMNULL:?}" ]]
bash: IAMNULL: parameter nul...
Add a common Legend for combined ggplots
...or flexdashboard) with renderPlot()? It works perfectly fine in a normal R script with normal plots. But when I do the exact same thing with plots made with renderPlot() in my flexdashboard, nothing appears.
– Tingolfin
Jan 26 '18 at 14:14
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How to modify the keyboard shortcuts in Eclipse IDE?
...Specifically, I've become increasingly annoyed that in order to run an ant script I have to use Alt + Shift + x , q . But I think If I had this power I would many things I would change the shortcuts for/add shortcuts for things that don't currently have them.
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How to get all of the immediate subdirectories in Python
I'm trying to write a simple Python script that will copy a index.tpl to index.html in all of the subdirectories (with a few exceptions).
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How to search a string in multiple files and return the names of files in Powershell?
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@rud3y I highly suggest you write it out in a script using a foreach loop if you're doing large operations like that. It becomes very convoluted when you try to do all of that on one line and it is very easy to make a large mistake. I speak from experience
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Search and replace a line in a file in Python
... @Wicelo You need to close it to prevent leaking of the file descriptor. Here is a decent explanation: logilab.org/17873
– Thomas Watnedal
Sep 19 '14 at 11:52
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Python - Get path of root project structure
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This gives the directory that contains the script that was executed. For example, when running python3 -m topmodule.submodule.script it will give /path/to/topmodule/submodule instead of /path/to/topmodule.
– danijar
Mar 31 '19 at...
How to find corresponding log files folder for a web site?
...lem as it requires you to manually look at each web site. The following VB script will allow you to output the ID and name.
Save the script to a file with a .VBS file extension and then run using this command (for IIS 6).
cscript MyFile.VBS
Function ProcessWebSite(ServiceType, SiteNumber)
Set I...
Disable browser cache for entire ASP.NET website
...ed previously, do not disable caching for everything. For instance, jQuery scripts used heavily in ASP.NET MVC should be cached. Actually ideally you should be using a CDN for those anyway, but my point is some content should be cached.
What I find works best here rather than sprinkling the [Output...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...e new server, consider running:
./analyze_new_cluster.sh
Running this script will delete the old cluster's data files:
./delete_old_cluster.sh
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