Explain about methods?

1

Tell me what is the command to create a migration?

1

What is the difference between extend and include?

1

As you know ruby provides four types of variables. List them and provide a brief explanation for each?

1

How do the following methods differ: @my_string.strip and @my_string.strip! ?

1

Name some operators used in ruby.

1

Explain how Symbol is different from variables?

1

Do you know how ruby looks up a method to invoke?

1

Explain about environment variables present in ruby?

1

How to access Ruby array elements? How many methods are used to access Ruby elements?

1

Tell me how can you declare a block in ruby?

1

What are the operators available in ruby?

1

Do you know about dig, float and max?

1

Explain about portability?

1

Explain ampersand parameter (&block) in Ruby?

1