<Canvas> is an element that manipulates two-dimensional (2D) pixels while Scalable Vector Graphics works in 2D and three-dimensional (3D) vectors. Essentially, <Canvas> is to SVG as Photoshop is to Illustrator.
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Do you know how Ruby looks up a method to invoke?
Tell me how do you remove nil values in array using ruby?
Tell us how would you implement hash in Ruby internally?
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Tell me what is ORM (Object-Relationship-Model) in Rails?
Tell us what is the difference between redirect and render in Ruby on Rails?
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Tell me what is the difference between calling super and calling super()?
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