Big Fat Rails
by Mitch Guthrie
Publisher: bigfatrails.com 2012
Number of pages: 53
Big Fat Rails is a book designed around teaching Ruby on Rails in a precept upon precept fashion. Learning a little at a time and building in complexity as the book moves forward. Both theory and practice driving your knowledge. If you are a beginner and looking to learn Ruby on Rails, the purpose of this book is to simply get you there in small, manageable steps.
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by Huw Collingbourne - No Starch Press
A comprehensive tutorial to the Ruby language. Each chapter is accompanied by ready-to-run source code for all the examples. There is also an Introduction which explains how to use the source code in Ruby In Steel or any other IDE of your choice.
by David Thomas, Andrew Hunt - Addison-Wesley
Introduction to Ruby, an object-oriented programming language, which allows for programming without extra syntax or code. Shows how to easily mine the Ruby language, teaching the basics, plus how to write large programs, and more.
by Zed A. Shaw - LCodeTHW
The book assumes absolutely no prior programming knowledge and will guide you carefully and slowly through the learning process. When you are done with it you will have the skill to move on to other books about Ruby and be ready to understand them.
This book is a great collection of ideas, tricks, and skills that could be useful for Hackers. It's a unique extraction reference, summarizes a lot of research and experience. Rubyfu is a book to use not only to read, it's where ruby goes evil.