Ruby

Getting Started with HAML on Rails

The HAML syntax is like installing all the software updates on your computer: at first it seems like upgrading is going to take forever and it's not worth it, but once you're up to date the time saved pays for itself and you could never imagine going back to your old ways. You can also learn a ton from the official HAML reference, but consider this a cheatsheet to bootstrap your proficiency and get started with some of the major use cases. 

RubyGem acts_as_votable Tutorial

Reddit. Quora. ProductHunt. What do all of these websites have in common? Besides their rabid fan bases, they enable a community to interact with content via simple voting buttons that users can click on to promote or demote content. Luckily for Ruby developers, there's an awesome gem I came across this week that quickly builds the same functionality. Here's a tutorial on how to get started with acts_as_votable