Do you know about dig, float and max?
Explain the concepts and capabilities of garbage collection feature of Ruby?
What is the pattern matching operator in ruby?
Explain do while loop in ruby.
What are the operators available in ruby?
how many ways you can create a concatenating string?
Do you know how ruby looks up a method to invoke?
what is the Notation used for denoting class variables in Ruby?
How to access Ruby strings elements in an application?
In how many ways items can be removed from array in Ruby?
What are ruby variables.
What is the difference between static and dynamic scaffolding?
difference between activesupport's “hashwithindifferentaccess” and ruby's “hash”?
What is the difference between nil and false in ruby?
Tell me what is the difference between ruby 1.9 and ruby 2.0?