@ashikunnabi

Md Ashikun Nabi

@ashikunnabiDhaka, BangladeshJoined January 2026

Turning software ideas into maintainable, production-ready systems

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Md Ashikun Nabi's blogs

Engineering Notes by Nabiblogs.ashikunnabi.com22 posts

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MAMd Ashikun Nabiblogs.ashikunnabi.comAug 12 · 11 min read

GitHub Stacked PRs: The Better Way to Review Large Features

You have a feature that touches the database, backend, API, and frontend. You start working. A few days later, you open the pull request and see: 147 files changed4,300 lines added Your reviewer ope

MAMd Ashikun Nabiblogs.ashikunnabi.comAug 7 · 4 min read

Why Git Commit Hashes Are Always 40 Characters Long

If you've used Git for more than a day, you've probably seen something like this: 3f5e7c9a2b4d6e8f1a0b2c3d4e5f67890ab1c2de It's always... 40 characters. Not 32. Not 64. Exactly 40. Coincidence? Not a

MAMd Ashikun Nabiblogs.ashikunnabi.comAug 2 · 5 min read

Database Indexes Aren't Just About Which Columns You Index. They're Also About the Order

But here's something many developers overlook: INDEX(name, age) is NOT the same as INDEX(age, name) They contain the same columns. Yet one might make your query run in milliseconds, while the other

MAMd Ashikun Nabiblogs.ashikunnabi.comJul 11 · 5 min read

CORS Explained: Why Browsers Block Cross-Origin Requests

If you've worked with APIs, you've almost certainly seen a CORS error in your browser console. It usually appears at the worst possible moment—your API works in Postman, but fails in the browser. The

MAMd Ashikun Nabiblogs.ashikunnabi.comJul 11 · 6 min read

Building Real-Time Applications: WebSockets vs Polling vs Server-Sent Events (SSE)

Modern applications are expected to update instantly. Whether it's a chat application, stock market dashboard, live order tracking, multiplayer game, or notification system, users expect information t

Md Ashikun Nabi

About

Available for

Md Ashikun Nabi's blogs

Recently published

GitHub Stacked PRs: The Better Way to Review Large Features

Why Git Commit Hashes Are Always 40 Characters Long

Database Indexes Aren't Just About Which Columns You Index. They're Also About the Order

CORS Explained: Why Browsers Block Cross-Origin Requests

Building Real-Time Applications: WebSockets vs Polling vs Server-Sent Events (SSE)

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Md Ashikun Nabi

About

Available for

Md Ashikun Nabi's blogs

Recently published

GitHub Stacked PRs: The Better Way to Review Large Features

Why Git Commit Hashes Are Always 40 Characters Long

Database Indexes Aren't Just About Which Columns You Index. They're Also About the Order

CORS Explained: Why Browsers Block Cross-Origin Requests

Building Real-Time Applications: WebSockets vs Polling vs Server-Sent Events (SSE)