Antonin Januska

Writing · 18 articles

Writing

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

Two collections live here. The Digital Garden holds engineering opinions and deep dives. Demystifying Tools breaks common command-line tools down into walkthroughs. AI writing has its own page. Browse by tag at the bottom.

On this page

  1. Featured and popular
  2. Digital Garden
  3. Demystifying Tools
  4. Series
  5. Tags

§ 1

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

  1. 17 Side Projects I Built With Claude Code in Two MonthsFeatured

    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 Garden · 2026-02-23

  2. I Built an AI-Friendly UI Pattern LibraryFeatured

    A UI pattern library where every pattern ships the prompt that rebuilds it, so a coding agent can put it in your codebase instead of you copying CSS.

    AI · 2026-08-14

  3. Common React Hooks Antipatterns and GotchasPopular

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

    Digital Garden · 2026-01-08

  4. The Simplest CSS GridsPopular

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

    Digital Garden · 2026-01-08

§ 2

Digital Garden

Engineering, opinions, deep-dives, and everything in between.

  1. 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.

    2026-02-23 · ai, claude-code, side-projects, programming

  2. Common React Hooks Antipatterns and Gotchas

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

    2026-01-08

  3. The Simplest CSS Grids

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

    2026-01-08

More from the Digital Garden

  1. 2024-03-13

    Constants vs Enums in TypeScript

    TypeScript tips and tricks

  2. 2024-03-03

    Build React UI Library (notes)

    Notes on building a React UI library.

  3. 2024-03-01

    Where did my blog go?

    A statement on where my extensive blog has gone.

  4. 2024-03-01

    Throwback Thursday -- The Site Through Time

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

  5. 2020-06-26

    Using Postgres FOR loop to generate data

    Use Postgres FOR loops to generate test data quickly.

  6. 2018-04-18

    How to "grep" in PowerShell

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

  7. 2018-04-06

    How I Structure My JavaScript File

    Practices and recommendations from years of writing JavaScript.

§ 3

Demystifying Tools

Practical walkthroughs of common command-line tools and utilities.

Latest: Demystifying awk, 2026-03-12.

  1. Demystifying awk

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

    2026-03-12

  2. 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.

    2026-01-28

  3. Demystifying ffmpeg

    The basics of ffmpeg.

    2025-08-23

  4. Demystifying the Find command

    The Find command made simple.

    2020-12-07

  5. Demystifying GREP

    Cheatsheet: search for a keyword in a file.

    2020-04-09

  6. Demystifying Rsync

    Rsync made simple.

    2020-02-17

  7. Demystifying the TAR command

    The cheatsheet for tar.

    2020-02-09

§ 4

Series

I, AI is the one running series: AI short stories, five parts planned, three published. No Digital Garden article carries a series yet.

§ 5

Tags