
edabit.com
Learn to code (for free) with interactive challenges. Gain XP, unlock achievements and climb the leaderboard. It's the fastest, easiest, most addictive way to learn.
Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.
are you a code newbie?
learning to program is exhilarating and challenging... and also frustrating, exhausting, and overwhelming.
exercism provides countless small wins. the exercises are achievable miniquests: small and welldefined, and with enough complexity to uncover bitesized knowledge gaps.
the solutions you write provide reviewers with clues about what you haven't grasped yet. the feedback you receive will guide you to relevant study topics and dramatically increase the ease with which you write code.
Productivity Education and Reference
command-line learn-a-programming-language