what are benefits of using active record as opposed to raw sql queries?
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Mention the differences between the observers and callbacks in ruby on rails.
what is the difference between new, save and create?
What is unit testing (in classical terms)? What is the primary technique when writing a test ?
What is the naming convention for variables?
what is Ruby on Rails?
what is the defined operator?
what is ORM (Object-Relationship-Model) in Rails?
How is visibility of methods changed in ruby (encapsulation) ?
Explain the various ide's of ruby on rails.
What is bundler?
Name some rails ide or editor.
How to use two databases into a single application?