Ruby

Why install Nginx before Ruby?

What is garbage collector?

What error will you get if you try to write a string with a capital letter?

What are modules used for in Ruby?

What language do you write tests in?

What is a hash (HASH) in Ruby?

Which testing frameworks do you use?

How is an index used in a large table?

What happens in Nginx?

What are parentheses in the Ruby programming language?

What is the '===' operator in Ruby?

What is the sort method in Ruby?

What is Array.new in Ruby?

What is a class in Ruby language?

Which version of Ruby on Rails are you working with?

What happens at the database level during a transaction?

How can you protect your data using the HTTPS protocol?

Do you prefer arrays or hashes?

Which is faster: an array or a hash?

How can you debug code without using a debugger?