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}, { "id": "01a07d5d-6fa2-7057-bb55-e1d79cb2f2a7", "title": "My First Golang Program", "url": "https://healeycodes.com/my-first-golang-program", "published_at": "2019-10-02T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d79d3f28c2", "title": "I Built a Bot to Try and Get Money Back From My Internet Provider", "url": "https://healeycodes.com/bot-vs-isp", "published_at": "2019-08-22T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d79de5224e", "title": "My Experience with Pair Programming", "url": "https://healeycodes.com/my-experience-with-pair-programming", "published_at": "2019-08-13T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d79e796421", "title": "An Introduction to Caching on the Web, With Examples in Python", "url": "https://healeycodes.com/introduction-to-caching-with-python", "published_at": "2019-07-07T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d79ee2293e", "title": "What If I Want My Website to Last for 100 Years?", "url": "https://healeycodes.com/a-website-for-100-years", "published_at": "2019-06-24T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d79fa7a66c", "title": "A Tutorial on Tricking Google: Encoding Messages in Apostrophes", "url": "https://healeycodes.com/tricking-google-with-apostrophes", "published_at": "2019-06-18T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a014c011", "title": "Your First Open-Source Pull Request: a Walkthrough", "url": "https://healeycodes.com/your-first-open-source-contribution", "published_at": "2019-06-16T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a0a6c5d5", "title": "Refactoring JavaScript for Performance and Readability (with Examples!)", "url": "https://healeycodes.com/refactoring-for-performance-and-readability", "published_at": "2019-06-11T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a1585818", "title": "Saving Data in JavaScript Without a Database", "url": "https://healeycodes.com/saving-data-in-javascript-without-a-database", "published_at": "2019-06-03T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a1dc7ecc", "title": "Interview Question: Implement a Progress Bar", "url": "https://healeycodes.com/interview-question-progress-bar", "published_at": "2019-05-27T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a2809421", "title": "Solving Puzzles With High-Performance JavaScript", "url": "https://healeycodes.com/high-performance-javascript", "published_at": "2019-05-19T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a2e82d1d", "title": "A Tiny Project, From Inception to Deployment", "url": "https://healeycodes.com/tiny-project-to-completion", "published_at": "2019-05-12T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a38bbcf1", "title": "Continuous Deployment to Glitch via GitHub Webhooks", "url": "https://healeycodes.com/glitch-to-github-via-webhook", "published_at": "2019-05-06T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a484bb17", "title": "Fun With Linear Time: My Favorite Algorithm", "url": "https://healeycodes.com/majority-vote-algorithm", "published_at": "2019-04-30T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a57b3d16", "title": "What They Don't Teach You at a Computer Science Masters", "url": "https://healeycodes.com/what-they-dont-teach-you-at-a-CS-masters", "published_at": "2019-04-24T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a66929d0", "title": "The Weird Rules I Set Myself That Got Me a Job", "url": "https://healeycodes.com/the-weird-rules-i-set-myself", "published_at": "2019-04-18T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a6a9691e", "title": "How to Write an Awesome GitHub README", "url": "https://healeycodes.com/writing-an-awesome-github-readme", "published_at": "2019-04-14T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a7710eb3", "title": "Talking to Python from JavaScript (and Back Again!)", "url": "https://healeycodes.com/talking-between-languages", "published_at": "2019-04-11T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a7c24e20", "title": "Learn the Storage API by Building a Note Taking App (Tutorial)", "url": "https://healeycodes.com/learn-the-storage-api", "published_at": "2019-04-09T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a8645cdd", "title": "Embed Your Latest DEV Posts Anywhere (Tutorial)", "url": "https://healeycodes.com/embed-dev-posts", "published_at": "2019-04-06T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7a90ccf30", "title": "Build a Python Bot to Find Your Website's Dead Links (Tutorial)", "url": "https://healeycodes.com/dead-link-bot", "published_at": "2019-04-02T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7aa04868c", "title": "Answered: What the Heck is Code Golf?", "url": "https://healeycodes.com/what-the-heck-is-code-golf", "published_at": "2019-03-30T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7aa1433b7", "title": "JavaScript One-Liners That Make Me Excited", "url": "https://healeycodes.com/javascript-one-liners", "published_at": "2019-03-28T00:00:00+00:00" }, { "id": "01a07d5d-6fa2-7057-bb55-e1d7ab0ed8bc", "title": "Need a Friend? Write a Reddit Bot with Python to Follow You Around (Tutorial)", "url": "https://healeycodes.com/reddit-bot-tutorial", "published_at": "2019-03-25T00:00:00+00:00" } ] posts Claim your blog

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Andrew Healey

healeycodes.com

2026

What Makes LLM Tokenization Slow?original ↗

2 Sept 2026

Adding Go's defer to the TypeScript Compiler original ↗

2 Aug 2026

A Tiny Compiler for Data-Parallel Kernels original ↗

25 Jun 2026

Building a Runtime with QuickJS original ↗

26 Mar 2026

Building a Shell original ↗

16 Mar 2026

2025

A Fair, Cancelable Semaphore in Go original ↗

21 Dec 2025

Solving NYT's Pips Puzzle original ↗

18 Oct 2025

Compiling a Forth original ↗

6 Oct 2025

Icepath: a 2D Programming Language original ↗

22 Aug 2025

Counting Words at SIMD Speed original ↗

13 Aug 2025

Optimizing My Disk Usage Program original ↗

7 Aug 2025

Maybe the Fastest Disk Usage Program on macOS original ↗

31 Jul 2025

Filesystem Backed by an LLM original ↗

7 Jul 2025

Solving Queuedle original ↗

31 May 2025

How I Made Queuedle original ↗

28 May 2025

Visualizing Chess Bitboards original ↗

13 Apr 2025

Installing NPM Packages Very Quickly original ↗

25 Mar 2025

2024

Building Game Prototypes with LÖVE original ↗

31 Dec 2024

Compiling Lisp to Bytecode and Running It original ↗

15 Oct 2024

Generating Mazes original ↗

8 Aug 2024

Making Python Less Random original ↗

8 Jul 2024

2D Multiplayer From Scratch original ↗

30 Jun 2024

Lisp Compiler Optimizations original ↗

30 May 2024

Lisp to JavaScript Compiler original ↗

26 May 2024

Adding a Line Profiler to My Language original ↗

26 Mar 2024

Compressing CS2 Demos original ↗

5 Mar 2024

2023

A Custom WebAssembly Compiler original ↗

30 Dec 2023

Rendering Counter-Strike Demos in the Browser original ↗

20 Nov 2023

Porting Boolrule To Rust original ↗

18 Aug 2023

Running Untrusted Python Code original ↗

27 Jul 2023

Building Family Websites original ↗

29 May 2023

My Own Python Web Framework original ↗

22 Feb 2023

My Time At The Recurse Center original ↗

14 Feb 2023

Sandboxing JavaScript Code original ↗

12 Feb 2023

Implementing Highlighting, Search, and Undo original ↗

30 Jan 2023

Making a Text Editor with a Game Engine original ↗

25 Jan 2023

Profiling and Optimizing an Interpreter original ↗

19 Jan 2023

Adding For Loops to an Interpreter original ↗

16 Jan 2023

2022

A Personal File Share CLI original ↗

27 Dec 2022

CodeGuessr original ↗

20 Nov 2022

Recent Projects I Didn't Finish original ↗

7 Nov 2022

Virtual Ants original ↗

4 Sept 2022

Implementing Bitcask, a Log-Structured Hash Table original ↗

15 Aug 2022

Building and Solving Sokoban original ↗

7 Jun 2022

Beating grep with Go original ↗

26 Apr 2022

When I'm Sad My Computer Sends Me Cats original ↗

18 Feb 2022

2021

Designing a Code Playground for Adventlang original ↗

18 Dec 2021

Designing a Programming Language for Advent of Code original ↗

28 Nov 2021

DOOM Rendered via Checkboxes original ↗

14 Oct 2021

Porting Niceware to Rust original ↗

8 Oct 2021

Creating the Golfcart Programming Language original ↗

16 Jul 2021

Listening to Satellites with my Raspberry Pi original ↗

30 May 2021

Computer Vision and Embroidery original ↗

4 Apr 2021

GeoGuessing with Deep Learning original ↗

24 Mar 2021

WebAssembly Search Tools for Static Sites original ↗

20 Feb 2021

Generating Text With Markov Chains original ↗

31 Jan 2021

2020

Personal Websites and Internet Writing original ↗

27 Dec 2020

Building My Own Chess Engine original ↗

20 Dec 2020

Writing Software for an Among Us League original ↗

13 Nov 2020

Learning the Ink Programming Language original ↗

15 Sept 2020

Privacy Focused Analytics From Scratch original ↗

10 Aug 2020

Boids in WebAssembly Using Go original ↗

26 Jul 2020

Creating Randomness Without Math.random original ↗

12 Jul 2020

A Practical Introduction to Graphs (Network Diagrams)original ↗

5 Jul 2020

Polyfilling the Fetch API for Old Browsers and Node.js original ↗

25 Jun 2020

The Flow of Knowledge in a Team (or Why I Dig Tickets)original ↗

31 May 2020

Adding Comments to Gatsby with Netlify Serverless Functions + GitHub original ↗

8 May 2020

Hacking Together an E-ink Dashboard original ↗

28 Apr 2020

How I'm Working Remotely original ↗

26 Apr 2020

Twitter Ticker Tape with a POS58 Receipt Printer original ↗

10 Apr 2020

Book Review: The Developer's Guide to Content Creation original ↗

8 Mar 2020

DEV Article Analysis original ↗

19 Jan 2020

Gatsby Sparks Joy original ↗

11 Jan 2020

2019

Hardest JavaScript Puzzle I've Ever Solved original ↗

17 Nov 2019

Let's Build a CAPTCHA Generator with Node.js original ↗

11 Nov 2019

Cloning Memcached with Go original ↗

21 Oct 2019

My First Golang Program original ↗

2 Oct 2019

I Built a Bot to Try and Get Money Back From My Internet Provider original ↗

22 Aug 2019

My Experience with Pair Programming original ↗

13 Aug 2019

An Introduction to Caching on the Web, With Examples in Python original ↗

7 Jul 2019

What If I Want My Website to Last for 100 Years?original ↗

24 Jun 2019

A Tutorial on Tricking Google: Encoding Messages in Apostrophes original ↗

18 Jun 2019

Your First Open-Source Pull Request: a Walkthrough original ↗

16 Jun 2019

Refactoring JavaScript for Performance and Readability (with Examples!)original ↗

11 Jun 2019

Saving Data in JavaScript Without a Database original ↗

3 Jun 2019

Interview Question: Implement a Progress Bar original ↗

27 May 2019

Solving Puzzles With High-Performance JavaScript original ↗

19 May 2019

A Tiny Project, From Inception to Deployment original ↗

12 May 2019

Continuous Deployment to Glitch via GitHub Webhooks original ↗

6 May 2019

Fun With Linear Time: My Favorite Algorithm original ↗

30 Apr 2019

What They Don't Teach You at a Computer Science Masters original ↗

24 Apr 2019

The Weird Rules I Set Myself That Got Me a Job original ↗

18 Apr 2019

How to Write an Awesome GitHub README original ↗

14 Apr 2019

Talking to Python from JavaScript (and Back Again!)original ↗

11 Apr 2019

Learn the Storage API by Building a Note Taking App (Tutorial)original ↗

9 Apr 2019

Embed Your Latest DEV Posts Anywhere (Tutorial)original ↗

6 Apr 2019

Build a Python Bot to Find Your Website's Dead Links (Tutorial)original ↗

2 Apr 2019

Answered: What the Heck is Code Golf?original ↗

30 Mar 2019

JavaScript One-Liners That Make Me Excited original ↗

28 Mar 2019

Need a Friend? Write a Reddit Bot with Python to Follow You Around (Tutorial)original ↗

25 Mar 2019