What is the difference between symbol and string?
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Can you list out what can rails migration do?
Do you know what is rake in rails?
How you run your rails application without creating databases?
Explain me what is the role of rails controller?
what is the difference between Active support’s “HashWithIndifferent” and Ruby’s “Hash” ?
how can you declare a block in Ruby?
What is action cable?
Tell me what is rails active record in ruby on rails?
What is the difference between concern and application_controller.rb in ruby on rails?
What are the different types of association relationships that exist?
How are observers and callbacks different from each other?
Explain what is the role of the subdirectories app/controllers and app/helpers in rails?