Engineering blog

Deep-dive notes on the
tools you actually use.

Engineering articles on Docker, Git, APIs, JSON, terminals, mobile frameworks, and the rest of what the ABCsteps course covers — written to be genuinely helpful, with zero fluff.

D
devops

Deployment Day Checklist — What Senior Engineers Verify Before Shipping

The first time you ship something to production, you discover that 'the code works' is necessary but not sufficient. The deploy fails because an environment ...

Apr 27, 20268 min read
W
web

Vue.js vs React — The Engineering Decision in 2026

If you are picking a frontend framework in 2026, the realistic options for most projects come down to two: React and Vue. Each one has a substantial ecosyste...

Apr 24, 20268 min read
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web

SEO for Engineers — Beyond Meta Tags

Most articles about SEO are bad. They optimize for the algorithm of an SEO industry — keyword stuffing, link exchanges, 'ten meta tags Google loves' — that h...

Apr 21, 20269 min read
T
tools

Writing Technical Documentation People Actually Read

Most engineering documentation is bad in a specific, predictable way: it lists what the system does without ever explaining what the system is for, who uses ...

Apr 17, 20269 min read
A
ai

Prompt Engineering Essentials — Beyond the Polite Question

The phrase 'prompt engineering' sounds like marketing. The work it describes is real. A poorly written prompt produces vague, hedged, or off-topic output fro...

Apr 14, 20269 min read
A
ai

Adding AI to Existing Apps With OpenRouter — One Endpoint, Many Models

In 2023, adding AI to an app meant signing up with OpenAI, copying their SDK, and writing code against their specific API. That worked fine until you wanted ...

Apr 10, 20268 min read
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data

Database Normalization for Beginners — The Three Forms in Plain English

A new engineer designing their first schema almost always builds it the way they would build a spreadsheet. One big table with every field they can think of....

Apr 6, 20268 min read
D
data

PostgreSQL vs SQLite — When to Pick Which Database

A new engineer hears 'use a database' and reaches for the most popular thing — usually PostgreSQL, sometimes MySQL. A senior engineer asks one question first...

Apr 3, 20267 min read
P
programming

Build Your First REST API With Node.js and Express

A REST API is a server program that listens for HTTP requests and replies with JSON. By the end of this article, you will have one running on your machine. I...

Mar 30, 20268 min read

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