How are observers and callbacks different from each other?
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What is Dynamic finders ?
Who developed ruby on rails?
Explain the role of sub directory app/controllers and app/helpers.
I would like to know about ruby on rails.I want to know.how will be the future for ruby on rails.please tell me.
What can Rails Migration do?
How will be the future for ruby on rails?
Explain view in rails?
Tell me what is orm (object-relationship-model) in rails?
what is rails caching?
what is testing in rails?
How do I find only duplicate entries in a database table?
What are the functions performed by rails migration?