Difference between gem and plugin?
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what is rails caching?
Explain coc in rails?
What are the various changes between the rails version 2 and 3?
Do you know what is sweeper in rails?
Mention the types of variables available in Ruby Class?
how you can create a controller for subject?
What is the difference between render and redirect?
At is cross-site request forgery (csrf)?
what is active record?
What is the use of the super function in ruby on rails?
Explain what are the servers supported by ruby on rails?
How you run your rails application without creating databases?