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Creating and destroying virtual machines in Vagrant left and right might get us in trouble. If we reuse the domain name, Vagrant will fail to create it again. Here is how to use virsh if Vagrant won’t help anymore.

Some time ago I came across a weird error when trying to run RSpec test suite involving PhantomJS in Vagrant. Here’s the solution.

Integers are not enough, and floats are flawed? Decimals to the rescue! A short guide of what’s important when working with decimals in Elixir.

Docker is a convenient tool for many, but with a few bigger images, the root filesystem becomes sooner or later full. Here is how to quickly and efficiently prune everything regarding Docker on your system to start fresh.

Serving static assets by the application server such as Gunicorn is usually not a good idea. We should prefer a web server with a better performance, but what if you want to serve the assets directly with the Django application?