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Two versions of python on linux. how to make 2.7 the default

... Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it? On top of that, monkeying with /usr/bin can brea...
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How do I find the number of arguments passed to a Bash script?

How do I find the number of arguments passed to a Bash script? 5 Answers 5 ...
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Show or hide element in React

...actDOM.render(<Search />, document.querySelector("#container")) <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.13.1/umd/react.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.13.1/umd/react-dom.production.min.js">&l...
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Can't access RabbitMQ web management interface after fresh install

...the case after installing with Chocolatety on Windows 10. The installation script said the management plugin was enabled, but in reality, no plugins were enabled. – Eris Jun 20 '16 at 21:43 ...
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Google Docs/Drive - number the headings

...e below fixed to handle new Docs HEADING identification. I modified the script mentioned by Mikko Ohtamaa and created a Google Apps Script that adds a Headings tools Document menu that allows you to: auto number Heading clear Headings numbers How to auto number Google Documents Headings: O...
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Matlab: Running an m-file from command-line

... Here is what I would use instead, to gracefully handle errors from the script: "C:\<a long path here>\matlab.exe" -nodisplay -nosplash -nodesktop -r "try, run('C:\<a long path here>\mfile.m'), catch, exit, end, exit" If you want more verbosity: "C:\<a long path here>\matlab...
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Reloading submodules in IPython

... I think that (unfortunately) %run script.py only reloads the script you're calling, not the packages it imports. If you're trying to debug a package you're building, this can be a pain. – John Salvatier Mar 20 '11 at 21:...
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What's the difference between nohup and ampersand

...Most of the time we login to remote server using ssh. If you start a shell script and you logout then the process is killed. Nohup helps to continue running the script in background even after you log out from shell. Nohup command name & eg: nohup sh script.sh & Nohup catches the HUP sign...
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How can I remove the extension of a filename in a shell script?

...mmand substitution syntax $(command) when you want to execute a command in script/command. So your line would be name=$(echo "$filename" | cut -f 1 -d '.') Code explanation: echo get the value of the variable $filename and send it to standard output We then grab the output and pipe it to the ...
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Get yesterday's date in bash on Linux, DST-safe

I have a shell script that runs on Linux and uses this call to get yesterday's date in YYYY-MM-DD format: 10 Answers ...