What is a ruby singleton method ?
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What is rails scaffolding?
How is dynamic scaffolding different from static scaffolding?
Explain the role of sub directory app/controllers and app/helpers.
what is the difference between the Observers and Callbacks in Ruby on Rails?
Why ruby on rails is used for?
Why we use migration in rails?
Explain rest in rails routes.
Do you know the role of garbage collection in ruby on rails?
difference between member routes and collection routes ?
How you run your rails application without creating databases?
When are self.up and self.down methods used?
what are the limits of Ruby on Rails?