Mental Models for Product Developers, Part 1: Engineering
Did you ever forget to run db:migrate after deploying your app to Heroku? Try out Heroku buildpacks.
Automatically run Rails database migration after deploying to Heroku
Confirm before pushing to Git master branch
If you are worried about unintentionally pushing to a master branch in Git you can get a confirmation warning using a pre-push hook.
Wordpress to Jekyll
I moved this website from WordPress to Jekyll. Jekyll is a Ruby static-site generator which turns your text files into related HTML files.