For tech things that I learn and want not to "forget" I create a snippet here: https://www.codrut.pro/snippets/

Last week was:

- Git refined diff output: https://www.codrut.pro/snippets/git-refined-diff-output/

- Test for Emacs compiler warnings: https://www.codrut.pro/snippets/test-for-emacs-compiler-warn...