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

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Select Tutorials

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

Learn how to use Regular Expressions (Regex) to define a search pattern, simplify search queries, and perform complex tasks.

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

Select Challenges

Learn how to solve disprove Project Euler Problem 46: Goldbach's other conjecture in Java.

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

Learn how to check if a linked list is a palindrome in Java.