5 Answered Questions for the topic Ruby On Rails

Describe the four pillars of object oriented programming

Encapsulation, Inheritance, Abstraction, Polymorphism
Ruby On Rails Ruby Scaffolding


Undo scaffolding in Rails?

Is there any way to 'undo' the effects of a scaffold command in Rails?
Ruby On Rails Ruby


How do I create an average from a Ruby array?

How would get find an average from an array?If I have the array: [0,4,8,2,5,0,2,6]Averaging would give me 3.375.Thanks!
Ruby On Rails Ruby Rails Activerecord


How do I get the name of a Ruby class?

How can I get the class name from an ActiveRecord object?I have: result = User.find(1)I tried: result.class # => User(id: integer, name: string ...) result.to_s # =>... more
Ruby On Rails Ruby


Convert string to symbol-able in Ruby?

Symbols are usually represented as such :book_author_titlebut if I have a string: "Book Author Title"is there a built in way in rails/Ruby to convert it into a symbol where I can use the `:` ... more

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