⚙ Essays

A collection of technical notes aimed at understanding and documenting how systems actually work. It explores Unix design philosophy, runtime environments, development tools, software architecture, and the real-world problems encountered during development along with their solutions. Rather than offering simple tutorials, it focuses on the underlying principles, historical context, and the reasoning behind design decisions—closer to an engineering journal than a how-to guide.

Latest posts

2026.04.04 15 min read ⚙ Essays 📃 Short Piece Supply Chain Security npm Security Developer Security

When npm install Becomes an Attack — The Real Story Behind the Axios Supply Chain Breach

npm install is not just installation. It is code execution. The Axios supply chain attack reveals how modern development relies on blindly executing external code.

2026.04.04 16 min read ⚙ Essays 📃 Short Piece AI Development Software Engineering Programming

Where Are All the AI Apps? — The Hidden Explosion of Unreleased Software

AI has clearly increased developer productivity—but where is all the new software? The answer is not a lack of output, but a shift in where software exists. Most of it is now created, used, and discarded outside public ecosystems.

2026.04.02 16 min read ⚙ Essays 📃 Short Piece AI Software Engineering Developer Productivity

In the Age of AI, Developers Don’t Work Longer — They Do More Dangerous Work Instead

AI doesn’t reduce a developer’s workload—it shifts it. As code generation becomes easier, the real challenge moves to judgment, validation, and decision-making. This article reframes developer productivity not as a matter of time, but as a structural shift in how work is done.

2026.03.30 4 min read ⚙ Essays 📚 The Moments That Started the Open Source Revolution 📚 Defining Moments in Software History Open Source Software Architecture Software History

Beyond Code to Ecosystems — The Invisible Transition Shaped by Open Source

Open source was not merely about making code public. From Linux to Android, software evolved beyond code into ecosystems, and the very way development is done began to be redefined.

2026.03.29 14 min read ⚙ Essays 📃 Short Piece Software Architecture AI Generative AI

Why Did Sora Disappear? — Why AI Products Shut Down Even When They Succeed

Sora was not a failed product. And yet, it disappeared. This article examines the reason not from a technical perspective, but through the lens of operational viability. It explores how the criteria that determine the survival of products are shifting in the age of AI.

2026.03.29 16 min read ⚙ Essays 📚 Defining Moments in Software History 📚 The Moments That Started the Open Source Revolution Android Open Source

The Moment Android Became Open Source — Google’s Strategy That Transformed the Smartphone Ecosystem

Android was not just another mobile operating system. Why did Google choose to make it open source? This article explores the strategy behind Android and how that decision reshaped the global smartphone ecosystem.

2026.03.26 13 min read ⚙ Essays 📃 Short Piece AI Algorithm Platform

Why Platforms Suspect Innocent Users First — Threads’ Broken Trust System

The user behaves normally, yet the system flags them as a risk. This piece analyzes how user behavior is quantified and evaluated, leading to opaque, black-box decisions without clear explanations.

2026.03.24 17 min read ⚙ Essays 📃 Short Piece javascript Software Architecture Dependency Management

Why Are We Still Downloading Unnecessary Code? — The Structural Illusion Behind JavaScript Dependency Bloat

We don’t just write code—we build systems by downloading hundreds of dependencies, many of which are no longer needed. This article examines how JavaScript dependency bloat emerged, why it persists, and what choices we should make moving forward.

2026.03.23 13 min read ⚙ Essays 📚 Defining Moments in Software History 📚 The Moments That Started the Open Source Revolution Open Source Database Startup

Why MySQL Became the Startup Database — The Small Open Source Project That Disrupted the Database Market

MySQL was more than just a database. It reshaped cost, accessibility, and development speed, enabling the rise of startup ecosystems. This article traces how MySQL transformed the structure of the internet industry and why it became the default choice for early web services.

2026.03.23 15 min read ⚙ Essays 📚 Defining Moments in Software History 📚 The Moments That Started the Open Source Revolution Web Infrastructure Open Source Software History

Why Apache Web Server Dominated the Internet — The Early Infrastructure of the Web

The web didn’t grow on ready-made infrastructure. In a chaotic era without standards or stable servers, developers began fixing code themselves, giving rise to Apache. This article traces how Apache became core infrastructure and how open source shaped the web.