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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!
The Linux Command Line is a key part of the Linux Operating System. Learn how to use the bash command line effectively in our beginner's tutorial.
Learn how to find the index of a substring in Java.
Learn how to implement a function that checks whether a string is a palindrome or not in Java.
Learn how to remove one character from a string in Java.