What is the difference between Ruby and ROR?
36704
What is the difference between Ruby and Ruby on Rails?
108026
Is there a good HAML -> ERB/HTML converter?
102613
What does  do in rails erb?
74217
What is the "equals greater than" operator => in Ruby?
25497
Ruby on Rails Job Scheduling Options
1762
What's the difference between the server version and the desktop version?
110209
xml diff in ruby?
91433
Is there a difference between :: and . when calling class methods in Ruby?
47409
Limitations in running Ruby/Rails on windows
99046
instance variable vs. symbol in ruby on rails (form_for)
48447
Ruby metaclass confusion
48886
Is there documentation for the Rails column types?
45519
Best Practices for reusing code between controllers in Ruby on Rails
118002
What exactly is the singleton class in ruby?
122570
Ruby class instance variable vs. class variable
108519
Portable Ruby on Rails environment
125249
Embedding Ruby code in HTML?