@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.com19 posts

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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

MAMd Ashikun Nabiblogs.ashikunnabi.comJun 8 · 6 min read

Scalability Basics: Why Your App Works for 100 Users but Fails at 100,000

When developers first build an application, scalability is rarely the biggest concern. The application works. Users can log in. Orders can be placed. Data is stored correctly. Life is good!! Then some

MAMd Ashikun Nabiblogs.ashikunnabi.comJun 3 · 5 min read

Functional vs Non-Functional Requirements: Why Most Software Failures Aren't Feature Failures

A few years ago, I worked on a project where everyone was excited. The requirements looked solid. Users could register. Users could log in. Products could be added to the cart. Orders could be placed.

MAMd Ashikun Nabiblogs.ashikunnabi.comApr 19 · 3 min read

100% Free Custom Domain Email: Send & Receive via Gmail with Cloudflare

🧠 What You’re Building You’ll create a professional email like: hello@yourdomain.com But instead of paying for hosting, emails will: arrive at your Gmail inbox be sent via Gmail SMTP (Send As)

Md Ashikun Nabi

About

Available for

Md Ashikun Nabi's blogs

Recently published

CORS Explained: Why Browsers Block Cross-Origin Requests

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

Scalability Basics: Why Your App Works for 100 Users but Fails at 100,000

Functional vs Non-Functional Requirements: Why Most Software Failures Aren't Feature Failures

100% Free Custom Domain Email: Send & Receive via Gmail with Cloudflare

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Md Ashikun Nabi

About

Available for

Md Ashikun Nabi's blogs

Recently published

CORS Explained: Why Browsers Block Cross-Origin Requests

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

Scalability Basics: Why Your App Works for 100 Users but Fails at 100,000

Functional vs Non-Functional Requirements: Why Most Software Failures Aren't Feature Failures

100% Free Custom Domain Email: Send & Receive via Gmail with Cloudflare