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

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Learn how to use Git, a version tracking software for programming projects used by nearly all professional software engineers.

R is a functional programming language used for statistical computing and graphics. Learn how to use R in our beginner's tutorial guide.

Python can be used to automate mundane tasks. Learn how to use Python, a clear and powerful scripting language with object-oriented features.

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Learn how to find the solutions to the integer right triangles problem in Java.

Learn how to select the first non-repeating character in Java.

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