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Easy-to-follow tutorials and challenges for just snippets of your time.

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Learn about data structures, which are particular ways of organizing data in a computer so that it may be used efficiently.

Learn how to bring life and interactivity to your web page with JavaScript our beginner's tutorial guide. We'll start from the basics and move through to more intermediate concepts.

Ever wonder how webpages are structures? Find out how web documents are structured and learn how to make a website with our HTML guide for beginners. 

Select Challenges

Learn how to find all prime factors in Java.

Learn how to rotate a 2d array in place in Java.

Learn how to remove one character from a string in Java.