what is the defined operator?
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What role do sub-directory app/helpers and app/controllers play?
how can we define Ruby regular expressions?
How are observers and callbacks different from each other?
Which command is used to create a migration?
What is the use of $ in ruby?
let me know what is ruby software and where and when it is usefull. Is it usefull to data base developer, if yes...where? thank you
What is bundler?
What is the rail console?
What is active record in rails?
what is ORM (Object-Relationship-Model) in Rails?
what is the command to create a migration?
Why do we use request.xhr? in rails