Learning Vim while playing a game
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CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.
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Achieve code mastery through challenge.
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Join over 2 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.
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CodeFights provides a fun and competitive way to practice your coding skills, learn new talents, and prepare for interviews.
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Learn to code JavaScript by playing game.
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Coderbyte is a place built for anyone to practice and perfect their programming skills.
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CodeEval is platform for hosting coding challenges which has over 20,000+ competitive developers.
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Project Euler is a series of challenging mathematical/computer programming problems that will...
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The developer testing tool that helps you make safer recruitments.
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The Topcoder home page has received a slick new makeover that lets new customers quckly login, discover the power of our community, and launch challenges.
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Geektastic is a platform that manages peer reviewed code challenges supported by a community of qualified software engineers.