What function converts all html special symbols to html entities in ruby?

1

what is the difference extend and include?

5

Explain the use of retry statement in ruby?

1

Explain the types of variables available in ruby class?

1

How is object methods defined in ruby?

5

Tell us in ruby, it explains about the defined operator?

1

how many ways you can create a concatenating string?

3

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

1

Interpolation is a very important process in Ruby, comment.

5

What are advantages of using ruby?

5

How to check whether a directory exist or not in Ruby?

5

Define ruby methods.

1

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

5

How would you implement hash in ruby internally?

1

Tell me how would you freeze an object in ruby? Can you provide a simple example?

1