Writing

17 articles on engineering, tooling, and the craft of building software.

2026
Demystifying awkMar 12, 2026Demystifying ToolsA practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.
17 Side Projects I Built With Claude Code in Two MonthsFeb 23, 2026Digital Garden · FeaturedA 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.
Demystifying Git WorktreesJan 28, 2026Demystifying ToolsLearn 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.
Common React Hooks Antipatterns and GotchasJan 8, 2026Digital Garden · PopularLearn about common React Hooks antipatterns and how to avoid them for better code quality.
The Simplest CSS GridsJan 8, 2026Digital Garden · PopularLearn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.
2025
Demystifying ffmpegAug 23, 2025Demystifying ToolsThe basics of ffmpeg
2024
Constants vs Enums in TypeScriptMar 13, 2024Digital GardenTypeScript tips and tricks
Build React UI Library (notes)Mar 3, 2024Digital GardenNotes on building a React UI library.
Where did my blog go?Mar 1, 2024Digital GardenA statement on where my extensive blog has gone.
Throwback Thursday -- The Site Through TimeMar 1, 2024Digital GardenA look at the site through time, from its inception to now.
2020
Demystifying the Find commandDec 7, 2020Demystifying ToolsThe Find command made simple
Using Postgres FOR loop to generate dataJun 26, 2020Digital GardenI 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.
Demystifying GREPApr 9, 2020Demystifying ToolsCheatsheet: search for a keyword in a file
Demystifying RsyncFeb 17, 2020Demystifying ToolsRsync made simple
Demystifying the TAR commandFeb 9, 2020Demystifying ToolsThe cheatsheet for tar
2018
How to "grep" in PowerShellApr 18, 2018Digital GardenNew to PowerShell? Here's how to "grep" using built-in PowerShell utilities.
How I Structure My JavaScript FileApr 6, 2018Digital GardenCheck out my practices and recommendations on writing JavaScript files that I've learned through writing JavaScript for years.

Antonin JanuskaDemystifying Tools

March 12, 2026

Demystifying awk

A practical introduction to awk for printing fields, filtering rows, formatting output, and writing useful one-liners.

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Collections

Digital GardenEngineering, opinions, deep dives, and everything in between.11 Demystifying ToolsPractical guides that break down common command-line tools and utilities into easy-to-understand tutorials with real-world examples.7 AIGuides and articles on AI workflows and tooling.12

Series

I, AIAI short stories following psychodeveloper Lili and AI manager Sophie. 3 of 5 parts published.3 / 5

Older posts imported from Dev.to (2017–2023), such as “Why I love TMUX” and “My Top 10 Programming Proverbs”, appear here as their pages are restored.