What is the output of the following Ruby code?
puts "The multiplication output of 10,10,2 is #{10*10*2}"

What is difference between 'has_one' and 'belong_to'?

Which is the correct way to know the Rails root directory path?

Best way to create primary key as a string field instead of integer in rails.

What is the recommended Rails way to iterate over records for display in a view?

where we use attr_accessor and attr_accessible in rails ?

Which the correct way to skip ActiveRecords in Rails 3?

Choose the best way to implement sessions in Rails 3: A) Using CookieStore B) By creating a session table and setting config/initializers/ session_store.rb with Rails.application.config.session_store :active_record_store C) By setting config/initializers/session_store.rb with Rails.application.config.session_store :active_record_store only

Given below are two statements regarding the Ruby programming language: Statement X: 'redo' restarts an iteration of the most internal loop, without checking loop condition. Statement Y: 'retry' restarts the invocation of an iterator call. Also, arguments to the iterator are re-evaluated. Which of the following options is correct?

Which of the following commands will clear out sample users from the development database?

Is an AJAX call synchronous or asynchronous?