Blog
A collection of articles on development, design, and ideas.
Web Security
HTTP vs HTTPS: What's the Real Difference?
Understanding the security difference between HTTP and HTTPS, why that padlock icon matters, and why HTTPS is essential in 2025.
6 min read
System Design
Secret Architecture Behind Username Already Taken
Ever wondered how Instagram or X tells you in milliseconds whether a username is available? This post explains the exact system design, from beginner-level ideas to Big Tech scale.
10 min read
Git
Git Commands Every Developer Should Know
A comprehensive guide to the most important Git commands for version control, from basics to advanced workflows.
12 min read
Backend
API — Explained Simply
A beginner-friendly explanation of APIs. Understand once and remember easily. Perfect for notes, interviews, and quick revision.
8 min read