When are self.up and self.down methods used?
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how does ruby on rails use the model view controller (mvc) framework?
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
Tell me what is polymorphic association in ruby on rails?
difference between member routes and collection routes ?
What is the difference between save and save?
Tell me what is ruby on rails?
What is the role of mvc architecture in ruby on rails?
What is the purpose of load, auto_load, and require_relative in ruby ?
what is the difference between destroy and delete?
what is the difference between calling super() and super call?
what is the difference between Active support’s “HashWithIndifferent” and Ruby’s “Hash” ?
what is the difference between redirect and render in Ruby on Rails?