Undoing a merge in Git can be a bit tricky and cause unintended side-effects. This is a small wrap up of the most important bits to keep in mind.

Notes from the NixOS-Meetup in November 2016 in Berlin, focusing on pip2nix and pypi2nix.

My personal collection of Nix related jokes in German. Can't help myself, I still like those ;)

elfeed is an integrated RSS reader for Emacs which also comes as a ready made configuration layer for Spacemacs. The list of feeds can be managed in Org files.

Useful command line examples to inspect the headers in HTTP responses, using the command line utility cURL.

Quick hints on getting your node2nix based environment updated for recent versions of nixpkgs.

Review on using Nix to manage development environments for Python projects.

Every now and then I am presenting one layer of Spacemacs which I find useful. This time I am writing about imenu-list which allows to have a nice outline of your current buffer.

A partial unique index allows to constrain only a subset of the records in a table. This post shows an example how to implement a partial unique constraint with SQLAlchemy.

Upgrading old NixOS machines can lead to a situation where the rebuild fails due to an unknown hash algorithm. This post shows a workaround to get started again.