The introduction to Reactive Programming you've been missing
This tutorial as a series of videos
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
Creating a Happy Git Environment on OS X
brew install git bash-completion
git config --global user.name "Your Name" git config --global user.email "firstname.lastname@example.org"