How to install mysql2 gem on Ubuntu

If you are having trouble to install the mysql2 gem, try the following:

# apt-get install build-essential ruby-dev libmysqlclient-dev

Slides: Introduction to Ruby

I'm here today to share a presentation that I've made to a group of Software Development students.

Click here to see the presentation.

I'm sorry for a piece of code that was not translated (variable names in portuguese), but I think that you can get the idea (comparing how PHP is spelling and how Ruby is expressive).