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#Data Structures

2 articles tagged #Data Structures.

A cascade of faceted blue and green pebbles pouring through a glass funnel into a small neat stack of colored cubes

Technology/Data Structures·Oct 13, 2026·6 min read

HyperLogLog Explained: Count Unique Items in 12 KB

HyperLogLog counts millions of unique visitors in about 12 KB with roughly 0.81% error. How it works, a Python sketch, and Redis PFADD in production.

Data StructuresRedisAlgorithms

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The Ultimate Guide to Bit Manipulation in Python

P.02EditorPick

Technology/Programming·Dec 28, 2022·16 min read

The Ultimate Guide to Bit Manipulation in Python

Master bitwise operations, bitmasking, bit manipulation tricks, and bit-based algorithms for competitive programming and software engineering interviews.

Bit ManipulationAlgorithmsPython

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