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class HelloWorld def self.hello(name = 'World') "Hello, #{name}!" endend
Get better at programming through fun, rewarding coding exercises that test your understanding of concepts with Exercism.
Given a diagram, determine which plants each child in the kindergarten class is responsible for.
Implement run-length encoding and decoding.
Given an integer N, find all Pythagorean triplets for which a + b + c = N.
Ruby puts developer-happiness first. It has an elegant syntax that is natural to read and write.
Ruby code can write and invoke Ruby code.
Garbage collection done via mark and sweep, stays out of your way.
Ruby's standard library provides a wealth of classes utilities for common tasks.
Packages (gems) can be centrally managed, but can also include custom or private gem stores.
Ruby is strong and dynamically typed and supports 'Duck Typing'. Everything in Ruby is an object
Every language has its own way of doing things.Ruby is no different.Our mentors will help you learn to think like a Ruby developer and how to write idiomatic code in Ruby.Once you've solved an exercise, submit it to our volunteer team, and they'll give you hints, ideas, and feedback on how to make it feel more like what you'd normally see in Ruby - they'll help you discover the things you don't know that you don't know.
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The Ruby track on Exercism has20 concepts and120 exercises to help you write better code.Discover new exercises as you progress and get engrossed in learning new concepts and improving the way you currently write.
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