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ENGINEERING NOTES

Engineering

Stories about the technology and people building understandable software.

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Building a Korean B2B Cloud Operations Business

Engineering article2026-09-06Building a Korean B2B Cloud Operations Business

Keeping SSH usable when a server is under load

Engineering article2026-09-06Keeping SSH usable when a server is under load

Set break-even and cancellation rules for AI subscriptions

A Subscription-First AI Workspace2026-09-04Set break-even and cancellation rules for AI subscriptions

Comparing US$20 AI coding subscriptions without API keys

A Subscription-First AI Workspace2026-09-04Comparing US$20 AI coding subscriptions without API keys

Put a budget on AI coding context

A Subscription-First AI Workspace2026-09-04Put a budget on AI coding context

Route subscription work from light to deep models

A Subscription-First AI Workspace2026-09-04Route subscription work from light to deep models

Orchestrate AI subscriptions without API keys

A Subscription-First AI Workspace2026-09-04Orchestrate AI subscriptions without API keys

Handoff AI work without carrying the session

A Subscription-First AI Workspace2026-09-04Handoff AI work without carrying the session

Budget logs, tests, diffs, and MCP output

A Subscription-First AI Workspace2026-09-04Budget logs, tests, diffs, and MCP output

Measure subscription AI by completed work

A Subscription-First AI Workspace2026-09-04Measure subscription AI by completed work

Coding Tests Start with Input Size

Engineering article2026-08-28Coding Tests Start with Input Size

Server Monitoring Analysis Guide

Engineering article2026-07-20Server Monitoring Analysis Guide

The Browser's Main Thread Is Expensive

Engineering article2026-07-12The Browser's Main Thread Is Expensive

Building a 3D Illusion Game

Building from First Principles2026-07-10Building a 3D Illusion Game

Building a Coding Agent

Building from First Principles2026-07-10Building a Coding Agent

Building an Email Relay System

Building from First Principles2026-07-10Building an Email Relay System

Frontend Caching Strategies

Engineering article2026-07-10Frontend Caching Strategies

Hamssun: Building a Python Lisp

Building from First Principles2026-07-10Hamssun: Building a Python Lisp