Writing command-line tools in Python: argument parsing

Python is a great language to build command-line tools in as it’s very expressive and concise. You want to have the ability to parse arguments in your scripts as you don’t want to hard-code the relevant variable values to make the tool useful. So how do we go about this in Python? It’s easily done using the argparse module. With argparse, you define the different arguments which you expect, their default values and their shortcuts to call them.
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How To Unfreeze Vim

Sometimes it happens that Vim freezes / gets stuck / doesn’t react and you might wonder what is going on. Recently, I figured out that this happens for me when I accidentally pressed Ctrl + S. It turns out that this is an old legacy features back from the slow days of computing where ressources were really scarce and you sometimes wanted to freeze the output of one program to help with your ressources.
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