What does session and cookies represent in ruby on rails?
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Do you know the role of garbage collection in ruby on rails?
What are filters? and how many types of filters are there in ruby
Do you know what is “yield” in ruby on rails?
How many filters are there in rails.
Explain Get and post method?
How to serialize data with yaml?
what is different between activerecord::relation's count, length and size methods?
What are generators in ruby on rails?
Can you list out what can rails migration do?
What is the difference between save and save?
what is rake in Rails?
How are observers and callbacks different from each other?