Thanks. I was thinking how long it took for "Agile Web Development with Rails 4th Edition" to come out and now 3.1 is on the way. Luckily guides like railstuto

Thanks. I was thinking how long it took for "Agile Web Development with Rails 4th Edition" to come out and now 3.1 is on the way. Luckily guides like railstutorial.org update along with new Rails releases.