Explore data science and code with the site’s online editor using Python and R. Their courses offer short quality tutorials and more on applying what you have learned. The site also lets you apply your skills to solve real-world problems. Geektastic has a mixture of multiple-choice and peer-reviewed code challenges to enjoy. Each multiple-choice question also has a detailed explanation with each answer. As well as completing challenges you can also create and share your own challenges with their global community. If you’re looking to find courses or content that will grow your coding skills, The Hackr.io Blog will help you look in the right places. Written by a community of programming professionals, this blog is devoted to grading the most useful coding content so that their followers will know they’re relying on quality sources. They touch on a wide range of topics, though, so those looking for resources on a specific language may find their content hit and miss. Short for Sphere Online Judge, SPOJ is one of the most comprehensive coding libraries around — and it’s only getting bigger. This site has over 20,000 coding challenges, and sometimes even offers rewards like gift cards and prizes for winners. Their discussion boards are a great place to learn new coding techniques — though not every official coding solution is posted on the forum. And while you can use their editor to write your code, you can transfer it from your editor of choice if you prefer. A tight-knit community of elite programmers and developers, TopCoder is one of the most established platforms out there. On the learning side, they have an abundance of weekly challenges and explanations, along with challenging competitions that help you rise to the coding occasion. While it’s designed for those with some background in coding already, HackerRank is one of the biggest competitive programming websites around. With challenges that can be finished online and leaderboards to see how you rank, this coding community can show you how your programming stacks up against the competition. Coderbyte also lets you use 16 different programming languages and has a library of over 2 million user-submitted solutions, giving you all the practice you need. Thanks to the abundance of resources online, you have everything you need at your fingertips. Whether you’re looking to learn a new language or get into programming for the first time, these sites are some of the best at giving coding practice to beginners.