https://github.com/styleguide/javascript
GitHub's javascript (or ranmther CoffeeScript) styleguide. Useful.
https://github.com/varnish/varnish-devicedetect/
Simple regexes to handle device detection within varnish. Includes links to documentation and suggested implementations. Neat.
http://www.askthepony.com/blog/2011/07/setup-a-complete-django-server-deploy-rollback-%E2%80%93-all-in-one-powerful-script/
A script to set up and deploy django servers. Hat tip rob.