Unit Tests in Java - Introduction
A complete beginner鈥檚 guide to unit testing in Java, covering concepts, best practices, and examples with JUnit 5 and Mockito.
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Why Every Programmer Should Know Vim/Neovim
Discover how mastering Vim/Neovim can transform your productivity and change the way you write code, going far beyond just a simple text editor.
Do you know about slow index and fast index?
Learn how to reduce algorithm complexity from O(n虏) to O(n) using the two-pointer technique.