Bash: Keep Script Running - Restart on Crash

When you are prototyping and developing small scripts that you keep running, it might be annoying that they quit when an error occurs. If you want very basic robustness against these crashes, you can at least use a bash script to automatically restart your script on error. The tool to use here is called until and makes this a breeze. Let’s use a dumb example Python script called test.py: import time while True: print(‘Looping’) time.
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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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Build Your Own Javascript Game in 5 Minutes

Hello Phaser.io (version 3) Phaser is a JavaScript library which makes it super easy for you to build games. It builds on top of WebGL, but if your browser doesn’t support that, falls back to canvas support. In this quick post, I will show you how to get up and running with your first game in literally 5 minutes (if you take mine as a starter). Note that I use the new version 3 while many tutorials and example games are written in version 2.
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Vim Commands You Should Know About

As a developer you gotta love Vim! It is easily available on almost any server you login to. Most of the times, it will already be installed. You can customize it to your needs, but you should be comfortable with its basic functionalities as you don’t want to tweak it on every server. I thus like to customize it a little bit, but try to stick close to the default.
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