Tell me the role of modules and mixins in ruby?
Tell me what is the command to create a migration?
Explain next statement in ruby.
What is rvm?
Explain while loop in ruby.
How to create ruby object?
What are Ruby arrays and how they can be created?
What is mvc and why do we use it?
Is ruby whitespace-dependent?
How does ruby deal with extremely large numbers?
What is ruby methods?
Tell me what is the difference between active support's “hashwithindifferent” and ruby's “hash” ?
What is the difference between ruby 1.9 and ruby 2.0?
How to access Ruby strings elements in an application?
Explain retry statement in ruby.