how you define Instance Variable, Global Variable and Class Variable in Ruby?
how does ruby on rails use the model view controller (mvc) framework?
Is ruby on rails dying?
what is the use of super function in ruby on rails?
What is the flash?
What is the difference between concern and application_controller.rb in ruby on rails?
How do I find only duplicate entries in a database table?
what is rails caching?
What is the main function of helpers used in ruby on rails?
How is visibility of methods changed in ruby (encapsulation) ?
Name some rails ide or editor.
what is different between activerecord::relation's count, length and size methods?
Why ruby on rails is used for?