Explain about the defined operator?

5

difference between activesupport's “hashwithindifferentaccess” and ruby's “hash”?

5

Tell me how you can create a controller for subject?

1

In how many ways a block is written in Ruby?

3

Explain the garbage collection feature of ruby?

1

How would you freeze an object in ruby? Can you provide a simple example?

1

Explain about ruby code blocks?

5

Name different methods for io console in ruby?

1

what is the purpose of the rakefile available in the demo directory in ruby?

5

Explain the types of variables available in ruby class?

1

How to check whether a directory exist or not in Ruby?

5

Describe the environment variables present in Ruby?

5

Tell us what is the difference between dynamic and static scaffolding?

1

Tell me what is the difference between calling super() and super call?

1

What's the difference in scope for these two variables: @name and @@name?

5