The Writing · 2018–2026
Writing
18 articles on engineering, tooling, and the craft of building software.
Technical writing by Antonin Januska — engineering deep-dives and practical tool tutorials. The AI essays and the I, AI stories have their own wing.
Featured
Hand-picked articles worth reading. Marked by the author.
Popular
Articles readers keep coming back to. The most often borrowed.
- 17 Side Projects I Built With Claude Code in Two MonthsFebruary 23, 2026
A look at 17 side projects I built in about two months with Claude Code -- from TUI apps in Rust and Go to browser games and AI agent tooling.
- Common React Hooks Antipatterns and GotchasJanuary 8, 2026
Learn about common React Hooks antipatterns and how to avoid them for better code quality.
- The Simplest CSS GridsJanuary 8, 2026
Learn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.
- Constants vs Enums in TypeScriptMarch 13, 2024
TypeScript tips and tricks
- Build React UI Library (notes)March 3, 2024
Notes on building a React UI library.
- Where did my blog go?March 1, 2024
A statement on where my extensive blog has gone.
- Throwback Thursday -- The Site Through TimeMarch 1, 2024
A look at the site through time, from its inception to now.
- The Anatomy Of My Ideal React ComponentMarch 11, 2022
A walkthrough of my very opinionated React Component.
- Using Postgres FOR loop to generate dataJune 26, 2020
I don't know about you but I often need a 100 of something in my database to properly test a page. Here's how to use Postgres FOR loops to generate test data quickly.
- How to "grep" in PowerShellApril 18, 2018
New to PowerShell? Here's how to "grep" using built-in PowerShell utilities.
- How I Structure My JavaScript FileApril 6, 2018
Check out my practices and recommendations on writing JavaScript files that I've learned through writing JavaScript for years.
Demystifying Tools
Practical walkthroughs of common command-line tools and utilities.
Browse the collection →
Demystifying awk
A practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.
Demystifying Git Worktrees
Learn how to work with multiple Git branches simultaneously using worktrees - a powerful feature that lets you check out different branches as separate folders while sharing Git data.
Demystifying ffmpeg
The basics of ffmpeg
Demystifying the Find command
The Find command made simple
Demystifying GREP
Cheatsheet: search for a keyword in a file
Demystifying Rsync
Rsync made simple
Demystifying the TAR command
The cheatsheet for tar
Series
Writing that runs across several parts.
A short story series · 5 parts, 3 published
I, AI
A fictional short story series exploring artificial intelligence, consciousness, and the boundaries between machine and mind.
- I.Spare Cycles — January 13, 2026
- II.Unknowing Crowds — January 22, 2026
- III.The Weight of Equal Parts — February 27, 2026
- IV.The Moment of Genesis — forthcoming
- V.Building Consciousness — forthcoming
Index of Subjects
Every tag in the writing, alphabetised, with the number of pieces filed under it.