Ruby

Explain what 'response' means in the context of 'returns a response'.

Why pass a block during array initialization?

How many operations are required to search in a sorted large array or tree?

What is ActiveRecord Relation?

What does the architectural pattern MVC mean to you?

What happens after we receive DNS and send a request to our service?

How does a router forward a data packet to the correct server?

What is a hierarchical Domain Name System (DNS)?

What types of JOIN do you use in your practice?