What are class libraries?
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Why do we use request.xhr? in rails
what are helpers and how to use helpers in ror?
what is the difference between Active support’s “HashWithIndifferent” and Ruby’s “Hash” ?
Explain rvm in rails?
what is the role of Rails Controller?
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How is visibility of methods changed in ruby (encapsulation) ?
what is the defined operator?
What is rails script? Name some of them?
difference between form_for and form_tag
What is cross-site request forgery (csrf)? How is rails protected against it?
what are rails filters?