Index

All Articles

Engineering

What Really Happens When You Click a Link

That instantaneous flash between clicking a link and seeing a webpage is actually a marathon — DNS lookups, TCP handshakes, TLS negotiations, and a full rendering pipeline, all in milliseconds.

6 min read
Backend

How Databases Actually Work: What Happens When You Run a Query

You run SELECT * FROM users every day. But what actually happens inside the database engine? Indexes, B-trees, query planners, buffer pools — all explained.

12 min read
Terminal

Why Your Default Terminal Is Slowing You Down (And How to Actually Fix It)

A comprehensive guide to every layer of the terminal stack — emulators, shells, prompts, plugins, and modern CLI tools — and what's worth changing.

8 min read
Engineering

How Git Actually Works Under the Hood

Git doesn't store diffs — it stores snapshots. Understanding the object model, the DAG, and how branches are just text files.

6 min read
Engineering

How JavaScript Actually Works: Demystifying the Call Stack and Event Loop

The engine, the call stack, the heap, the event loop, closures, prototypes, and this — what's actually happening when your code runs.

9 min read
Next.js

How Next.js Decides When (and How) to Render Your Pages

A deep dive into SSG, SSR, ISR, and CSR — how Next.js chooses when and where to render your pages, and how to pick the right strategy for every use case.

8 min read
AI

How to Talk to AI So It Actually Listens: Prompting Explained Simply

Understanding what the model is actually doing when it processes your input, and the techniques that fall out naturally from that understanding.

9 min read
Backend

The Ultimate Guide to API Design & Architecture: Thinking Like a Senior Engineer

A complete, beginner-to-senior guide covering every API type, security layer, and scaling pattern you need to design robust, production-grade systems.

17 min read
Philosophy

The Ghost in the Shell

Are we building tools that help us think, or tools that replace thought? An analysis of copilot-driven development.

8 min read