what is the difference between Active support’s “HashWithIndifferent” and Ruby’s “Hash” ?
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Explain valid and invalid in rails?
Do you know what is rake in rails?
What is the directory structure of rails?
Mention the differences between the observers and callbacks in ruby on rails.
what are helpers and how to use helpers in ror?
What is a ruby singleton method ?
What is rake?
What is bundler?
what is the difference between the Observers and Callbacks in Ruby on Rails?
Can you list out what can rails migration do?
Write the command to run the migration.
Tell us what is the difference between redirect and render in ruby on rails?