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Vim

Vim is a set of key bindings that allow you to navigate and edit documents quickly. Learn how to use Vim with our beginner's tutorial!

Google

Learn the tricks to using Google efficiently with special characters and keywords. Also find some fun hidden Google search easter eggs!

CSS 3

CSS is how web pages get their looks. Learn CSS with our beginner's guide, where you'll learn how to style and design your webpage.

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Reverse a String

Learn how to reverse a String in Java.

Project Euler Problem 12: Highly divisible triangular number

Learn how to solve "Project Euler Problem 12: Highly divisible triangular number" in Java.

Selecting the first non-repeating character

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

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