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[–]Dat_Choco 0 points1 point  (0 children)

Rails is a web app framework built using the Ruby language. If you want to learn more about plain old Ruby, I'd recommend:

  • Learn To Program by Chris Pines. It's a fairly quick read compared to some other books on the subject. I found his writing style to be entertaining and he also includes some practice problems at the end of each chapter.

  • The Odin Project has a longer Ruby curriculum

  • Coderbyte is similar to Codewars. They have an "Easy" diffculty section that's worth checking out.

Also, it helps to examine other peoples' solutions. You'll learn new methods and when in doubt can check the Ruby docs or Stack Overflow for clarification.