Is ruby supports single inheritance/ multiple inheritance or both?

5

How many iterators are there in ruby?

1

What are the different environment variables present in the ruby?

5

What are Ruby arrays and how they can be created?

3

Explain the difference between nil and false in ruby?

5

Explain about variables?

5

How to use sql db or mysql db. Without defining it in the database.yml

5

What must you do first before you can invoke an unboundmethod object?

5

Does hash use “ #==” or “#eql?” To compare hash keys?

5

Explain about the programming language ruby?

5

What is the difference between a class and a module?

5

Overview of ruby programming language?

5

Tell me how you can create a controller for subject?

1

What is the difference between static and dynamic scaffolding?

5

Tell me what is the role of sub-directory app/controllers and app/helpers?

1