What do you mean by render and redirect_to?
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Explain the features of ruby on rails.
what are the differences between rails 2.x and rails 3?
What role do sub-directory app/helpers and app/controllers play?
what is the use of super function in ruby on rails?
How you run your rails application without creating databases?
How are observers and callbacks different from each other?
Explain what are the servers supported by ruby on rails?
Explain valid and invalid in rails?
What do you understand by rails migration and what it can do?
what is Rails Active Record in Ruby on Rails?
How is calling super() different from the super call?
how can we define Ruby regular expressions?