Antonin JanuskaPortfolio · Writing
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Archive17 articles2018 – 2026

Writing

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

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Hand-picked articles worth reading, and the ones readers keep coming back to.

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Digital Garden: engineering, opinions, deep-dives, and everything in between. Demystifying Tools: practical walkthroughs of common command-line tools and utilities. Filter by collection or tag.

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Roll 2026 · 5 frames

01

Demystifying awk

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

Demystifying Tools2026-03-12

02

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.

Digital Garden2026-02-23

03

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 Tools2026-01-28

04

Common React Hooks Antipatterns and Gotchas

Learn about common React Hooks antipatterns and how to avoid them for better code quality.

Digital Garden2026-01-08

05

The Simplest CSS Grids

Learn the most common CSS Grid layouts with copy-pastable examples for two-column layouts, sidebar navigation, and more.

Digital Garden2026-01-08

Roll 2025 · 1 frames

06

Demystifying ffmpeg

The basics of ffmpeg

Demystifying Tools2025-08-23

Roll 2024 · 4 frames

09

Where did my blog go?

A statement on where my extensive blog has gone.

Digital Garden2024-03-01

10

Throwback Thursday -- The Site Through Time

A look at the site through time, from its inception to now.

Digital Garden2024-03-01

Roll 2020 · 5 frames

12

Demystifying the Find command

The Find command made simple

Demystifying Tools2020-12-07

13

Using 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 Garden2020-06-26

14

Demystifying GREP

Cheatsheet: search for a keyword in a file

Demystifying Tools2020-04-09

15

Demystifying Rsync

Rsync made simple

Demystifying Tools2020-02-17

16

Demystifying the TAR command

The cheatsheet for tar

Demystifying Tools2020-02-09

Roll 2018 · 2 frames

17

How to "grep" in PowerShell

New to PowerShell? Here's how to "grep" using built-in PowerShell utilities.

Digital Garden2018-04-18

18

How 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 Garden2018-04-06

Older pieces, 2017 to 2023, were imported from Dev.to and are being brought back one at a time.