Demystifying awk
A practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.
Writing · two collections
Writing
18 articles on engineering, tooling, and the craft of building software.
Technical writing by Antonin Januska — engineering deep-dives and practical tool tutorials. Looking for the AI essays? They live in the AI section.
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Hand-picked articles worth reading
17 Side Projects I Built With Claude Code in Two Months
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.
The Anatomy Of My Ideal React Component
A walkthrough of my very opinionated React Component.
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Articles readers keep coming back to
Common React Hooks Antipatterns and Gotchas
Learn about common React Hooks antipatterns and how to avoid them for better code quality.
The Simplest CSS Grids
Learn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.
Demystifying Tools
Practical walkthroughs of common command-line tools and utilities.
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
The full index
Digital Garden: engineering, opinions, deep-dives, and everything in between. Plus every tool guide.
Demystifying awk
A practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.
Demystifying Toolsdemystifying17 Side Projects I Built With Claude Code in Two Months
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.
Digital Gardenaiclaude-codeside-projectsDemystifying 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 ToolsdemystifyingCommon React Hooks Antipatterns and Gotchas
Learn about common React Hooks antipatterns and how to avoid them for better code quality.
Digital GardenThe Simplest CSS Grids
Learn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.
Digital GardenThrowback Thursday -- The Site Through Time
A look at the site through time, from its inception to now.
Digital GardenThe Anatomy Of My Ideal React Component
A walkthrough of my very opinionated React Component.
Digital GardenreacttypescriptcomponentsUsing Postgres FOR loop to generate data
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.
Digital GardenpostgressqldatabaseHow to "grep" in PowerShell
New to PowerShell? Here's how to "grep" using built-in PowerShell utilities.
Digital GardenHow I Structure My JavaScript File
Check out my practices and recommendations on writing JavaScript files that I've learned through writing JavaScript for years.
Digital Gardenjavascriptcode-organizationbest-practices
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Series
Longer threads, read in order
I, AI — a short-story series about psychodeveloper Lili and AI manager Sophie. 3 of 5 parts published.
Start with Part 1 →