Categories

Browse all topics organized by difficulty levels. Each topic covers the same concept from beginner to advanced.

J Java

Learn how to join strings in Java from basic to advanced internals.

Learn why math beats strings for palindrome checking, from analogy to CPU internals.

Master linked lists from treasure hunt analogies to memory layout and CPU cache performance.

Learn sliding window technique from train window analogies to cache performance optimization.

Learn hash tables from library catalog analogies to collision resolution and load factors.

Learn merge algorithms from card sorting analogies to memory-efficient implementations.

Learn stacks from pancake stack analogies to memory layout and function call management.

Learn tree traversals from library exploration analogies to cache performance optimization.

Learn hash tables from library catalog analogies to memory layout and collision resolution strategies.

Learn merge algorithms from card game analogies to cache-efficient implementations and hardware optimizations.

Learn stacks from pancake stack analogies to call stack internals and performance optimization.

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Python

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JavaScript

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Rust

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