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Master the art of bit manipulation and learn how to optimize code using bitwise operators for performance, cryptography, and data compression. Includes real-world JavaScript examples to help you level up your programming skills.

Learn how backtracking algorithms tackle puzzles, combinatorics, and optimization problems by exploring all possibilities and eliminating invalid paths. Includes a step-by-step JavaScript example to help you master this essential coding interview technique.

Discover how tries (prefix trees) power autocomplete, spell-checkers, and search engines. Learn their features, applications, and step-by-step implementation in JavaScript to improve your programming skills.

Learn how hash tables work, their real-world applications, and how to implement them in JavaScript. Discover why they’re essential for efficient data storage, caching, and scalable systems.