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Learn the most common cache replacement policies—LRU, LFU, FIFO, and Random. Discover how they work, when to use them, and how to choose the right one for your caching strategy based on performance and complexity.

Caching is a powerful technique used to speed up applications, reduce server load, and improve user experience. This post introduces the fundamentals of caching, including how it works, types of caching, key concepts, and why it's crucial in modern web development.

Explore the main types of data structures in programming — primitive and non-primitive. Learn about linear structures like arrays and stacks, and non-linear ones like trees and graphs, with easy examples to understand their roles.

Learn what data structures are, why they are essential in programming, and how mastering them can improve your coding efficiency, problem-solving skills, and career opportunities.

Learn how DNS load balancing and high availability techniques like round-robin DNS, geographically distributed servers, anycast routing, and CDNs keep websites fast, reliable, and always available for users worldwide.