Explain me what are the limits of ruby on rails?
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Explain valid and invalid in rails?
Explain testing in rails.
am new to ruby. tell me one thing. i can view my project on browser when i write "ruby script/server". otherwise i cant view my project on localhost. what i have to do to view my project always on browser? pls help
Are there any disadvantages of ruby on rails? If yes, mention them.
Explain rvm in rails?
what is the purpose of RJs in Rails?
how you can run Rails application without creating databases?
How you run your Rails Application without creating database ?
What is rails migrations?
When are self.up and self.down methods used?
Explain the various ide's of ruby on rails.
What is the purpose of require_relative in ruby?