Explain about the defined operator?
difference between activesupport's “hashwithindifferentaccess” and ruby's “hash”?
Tell me how you can create a controller for subject?
In how many ways a block is written in Ruby?
Explain the garbage collection feature of ruby?
How would you freeze an object in ruby? Can you provide a simple example?
Explain about ruby code blocks?
Name different methods for io console in ruby?
what is the purpose of the rakefile available in the demo directory in ruby?
Explain the types of variables available in ruby class?
How to check whether a directory exist or not in Ruby?
Describe the environment variables present in Ruby?
Tell us what is the difference between dynamic and static scaffolding?
Tell me what is the difference between calling super() and super call?
What's the difference in scope for these two variables: @name and @@name?