Rehan Ahmed
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Learning Log

Daily documentation of my backend engineering journey — the concepts, mistakes, and breakthroughs.

February 5, 2026

Day 3: Associative Elegance - When Order Meets Chaos

There are data structures that merely store, and then there are data structures that understand. Today introduced me to the latter....

C++Javascript
January 31, 2026

Day 2: Containers of Intent - Vectors, Bitwise Sorcery, and the Backend Awakens

The second day of any journey is where the romance of beginnings meets the reality of repetition. And yet, today offered no tedium - only revelatio...

C++Javascript
January 30, 2026

Day 01: The dual pilgrimage begins - foundation in speed and semantics

There exists a peculiar electricity in beginnings - that liminal moment when the blank page transforms into the first sentence of a much longer sto...

JavascriptC++

© 2026 Rehan Ahmed

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