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

1

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

5

What is the use of load and require in ruby?

5

What is request.xhr?

5

What are some built-in ruby class exceptions.

1

How to read a file in Ruby?

5

What is concatenating string in ruby. In how many ways you can create a concatenating string.

1

Explain the role of thread pooling in relation to the thread lifecycle in ruby?

1

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

5

Explain ruby data types.

1

What are the different environment variables present in the ruby?

5

How would you freeze an object in ruby?

1

What is ruby class?

5

Explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?

1

Explain module mixins in Ruby?

3