APPENDIX CResources
This chapter will give you a long list of helpful links, and pointers to a few useful books. I've tried to categorize the books by main subject, and I hope most of the addresses are still valid when you read this. Remember that the absolutely best resource when starting out with Ruby is your local Ruby User Group (RUG). Many cities in both the United States and Europe have a group that meets up once or twice a month, where members share information and help one another with problems. You should search the Internet for the closest RUG to you; it can be invaluable.
Ruby and Rails
These links are specifically about Ruby or Rails.
The Ruby Programming Language
http://www.ruby-lang.org
This is the main Ruby language home page. ...
Get Practical JRuby on Rails Web 2.0 Projects: Bringing Ruby on Rails to Java™ Platform now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.