Damn old (and somehow good) articles on Ruby and Rails at O'Reilly
Because nobody mentioned them here before,
there is a long list of very old articles on Ruby and Rails at O'Reilly.
Though they are old, they are kind of worth a look for newbies:
Rolling with Ruby on Rails, January 20, 2005
Rolling with Ruby on Rails, Part 2, March 3, 2005
Rolling with Ruby on Rails Revisited, December 14, 2006
Rolling with Ruby on Rails Revisited, Part 2, January 5, 2007
Cookin' With Ruby on Rails, May 17, 2007
Cookin' with Ruby on Rails - Designing for Testability, June 28, 2007
Cookin' with Ruby on Rails - More Designing for Testability, July 28, 2007
Understanding ActiveRecord: A Gentle Introduction to the Heart of Rails (Part 1), April 19, 2007
Understanding ActiveRecord: A Gentle Introduction to the Heart of Rails (Part 2), May 10, 2007
Rails Testing: Not Just for the Paranoid, June 7, 2007
Ruby on Rails Meets Eclipse, April 26, 2007 (BAH!, use emacs!)
Bringing Ruby on Rails with FastCGI into Mac OS X Server, March 29, 2007 (sounds horrible)
Hacking Asterisk and Rails with RAGI, December 19, 2005 (interesting!)
What Is Ruby on Rails, October 13, 2005
Ruby on Rails: An Interview with David Heinemeier Hansson, August 30, 2005
Ajax on Rails, June 9, 2005
Behavior Driven Development Using Ruby (Part 1), August 9, 2007
Behavior Driven Development Using Ruby (Part 2), August 30, 2007
Behavior Driven Development Using Ruby (Part 3), September 20, 2007
How to Build Simple Console Apps with Ruby and ActiveRecord, June 21, 2007
Replacing AppleScript with Ruby, February 27, 2007
Ruby the Rival, November 16, 2005 ("What's wrong with Java")
Extending Ruby with C, November 18, 2004
An Introduction to RubyCocoa, Part 1, October 5, 2004
An Introduction to RubyCocoa, Part 2, October 12, 2004
Exploring E4X with Ruby, August 12, 2004
Ruby/Tk Primer: Creating a cron GUI Interface with Ruby/Tk, June 25, 2004
Ruby/Tk Primer, Part 2, July 23, 2004
Ruby/Tk Primer, Part 3, July 27, 2004
Ruby's Present and Future, December 18, 2003
Building Unix Tools with Ruby, September 18, 2003
Read iCal Data with Ruby, September 3, 2003
An Interview with the Creator of Ruby, November 29, 2001 (Matz)
An Introduction to Ruby, October 25, 2001