ruby and rails recources

gistfile1.txt

The Bastards Book of Ruby http://ruby.bastardsbook.com/
Clever Algorithms http://www.cleveralgorithms.com
DS and Algos with OO Design Patterns in Ruby http://www.brpreiss.com/books/opus8/
MacRuby: The Definitive Guide http://macruby.labs.oreilly.com/
Humble Little Ruby Book http://humblelittlerubybook.com/
Programming Ruby http://ruby-doc.org/docs/ProgrammingRuby/
Read Ruby 1.9 http://ruby.runpaint.org/
Ruby Best Practices http://rubybestpractices.com/
Ruby on Rails Tutorial Book http://railstutorial.org/book


http://pullmonkey.com/2008/4/21/ruby-on-rails-multiple-database-connections/  多数据库
dev_basics: &dev_basics
  username: root
  password: 

<% %w(development test production).each do |env| %>
<%= env %>:
  <<: *dev_basics
  adapter: mysql
  database: example_<%= env %>

oracle_<%= env %>:
  <<: *dev_basics
  adapter: oracle
  database: example_oracle_<%= env %>
<% end %>

class User < ActiveRecord::Base 
  establish_connection "oracle_#{RAILS_ENV}"
end