Describe the environment variables present in Ruby?
Difference between render and redirect?
Explain Ruby exceptions?
Explain about Class variable and global variable?
What does mri most commonly stand for?
Are numeric objects mutable in ruby?
Tell me how can we define ruby regular expressions?
Do you know how ruby looks up a method to invoke?
What is the difference between a class and a module?
Please explain what is mvc and why do we use it?
Explain redo statement in Ruby?
Define ruby methods.
Tell us in ruby, it explains about the defined operator?
Explain the concepts and capabilities of garbage collection feature of Ruby?
What is concatenating string in Ruby?