Hacker News: emadda

New comment by emadda in "The Road to the WASM Component Model 1.0"

emadda — Thu, 11 Jun 2026 06:56:15 +0000

I like the technical design of WASM, but I feel that better OS sandboxes for regular native code will be the common approach to running untrusted code.

As soon as you compile to WASM you no longer have the C FFI and the ability to call the OS systems interfaces for files, network and others.

It is extra work to move something to WASM vs just compiling it and running it in a sandbox.

New comment by emadda in "Why isn't the U.S. better at soccer?"

emadda — Mon, 08 Jun 2026 08:15:55 +0000

I think this comes down to higher competition and practice in Europe.

A football is the default “toy” given to young lads, and you can play anywhere with anyone.

So much so there are custom “no ball games” signs in many neighbourhoods due to noise averse residents getting annoyed.

There are also many supporting elders who try to improve and guide skill development.

New comment by emadda in "He asked AI to count carbs 27000 times. It couldn't give the same answer twice"

emadda — Wed, 29 Apr 2026 19:58:45 +0000

Thanks.

It is using Gemini Flash 3 at the moment.

There is a lot to learn in nutrition. The glycemic load metric is quite revealing for pizza vs pasta (slow digesting carbs are supposed to be better). Al-dente cooked pasta is also slower digesting than well cooked pasta.

Another interesting thing is how each plant food has unique molecules that can be health promoting in humans. That was one aspect I wanted to reveal/compare for the foods I ate.

Dr Weil / Perfect Health Diet / Marks Daily Apple are three sources I like to check for information on nutrition.

New comment by emadda in "He asked AI to count carbs 27000 times. It couldn't give the same answer twice"

emadda — Wed, 29 Apr 2026 13:11:12 +0000

Related: I created an app to track the molecules in your foods:

https://kg.enzom.dev/

You specify your foods in grams with plaintext (no pictures).

I never liked the "take a picture to measure calories" approach, as you could have 10 table spoons of olive oil which would drastically change the calories but would not show in a picture.

New comment by emadda in "Vite 8.0 Is Out"

emadda — Fri, 13 Mar 2026 12:45:42 +0000

esbuild has been very stable for my projects too.

I think it is the only tool in the JS ecosystem that has not broken after a few years.

Show HN: kg Food Log: Don't Track Calories; Track Molecules

emadda — Sun, 08 Mar 2026 19:54:28 +0000

Hello HN,

This is my molecule tracking web app.

It tracks calories like traditional apps, but goes into much higher detail on micronutrients (vitamins, minerals) and amino acids.

It is powered by Google Gemini, so you can just type a rough list of foods for each meal and it will infer the exact foods you meant. No more scanning barcodes!

I personally built this because the biochemical nature of foods interests me, and it is much faster to use this tool than looking up every food manually.

I hope you will find it useful, and let me know of any feature requests.

Thanks, Enzo

Comments URL: https://news.ycombinator.com/item?id=47300692

Points: 2

# Comments: 0

Show HN: kg Food Log: Reveal the molecules in your foods

emadda — Fri, 06 Mar 2026 04:00:05 +0000

Hello HN,

This is a food log web app powered by Google Gemini.

You can use it from any of your devices.

Thanks, Enzo

Comments URL: https://news.ycombinator.com/item?id=47270700

Points: 3

# Comments: 0

Show HN: kg Food Log (Google Gemini powered nutrition tracker)

emadda — Tue, 03 Mar 2026 02:43:45 +0000

Hello HN,

It's pretty simple:

Type in the foods you consumed in your meal and get a table and charts of nutrients in return!

The trial has limited tokens, but email me if you would like an extended trial.

Feedback welcome, thanks!

Comments URL: https://news.ycombinator.com/item?id=47227302

Points: 2

# Comments: 0

New comment by emadda in "Things I learnt about passkeys when building passkeybot"

emadda — Tue, 23 Dec 2025 16:04:35 +0000

PKCE protects the auth token from interception by making it so that only your code that started the flow can redeem it by proving they have the secret code_verifier on the redeem_token() call.

The code_challenge == sha256(code_verifier). You will share the code_challenge at the start of the flow.

New comment by emadda in "Things I learnt about passkeys when building passkeybot"

emadda — Tue, 23 Dec 2025 12:28:00 +0000

I just watched this, it is very good.

New comment by emadda in "Things I learnt about passkeys when building passkeybot"

emadda — Tue, 23 Dec 2025 11:45:24 +0000

Yes, that is true, I was assuming that any LLM code was going to be checked by the developer. Step 7 in the guide is "review your code and ensure the important logic commented in the example server is still present".

The LLM is only for converting the JS based example code into your language X and HTTP framework Y (instead of giving example code for every combination of X and Y).

The standard implementation is in a single file `http_server.ts`, which is around 200 lines of well commented code, with important logic commented (around 5 lines). The example code can be run locally with a few commands.

The repo also contains a sequence diagram [1], a description of the HTTP handlers needed [2], and a live demo [3] where you can see the request/responses.

Thanks for your feedback I have made this clearer in the readme.

- [1] https://github.com/emadda/passkeybot/tree/master?tab=readme-...

- [2] https://github.com/emadda/passkeybot/tree/master?tab=readme-...

- [3] https://demo.enzom.dev/

Things I learnt about passkeys when building passkeybot

emadda — Mon, 22 Dec 2025 18:58:45 +0000

Article URL: https://enzom.dev/b/passkeys/

Comments URL: https://news.ycombinator.com/item?id=46357451

Points: 173

# Comments: 146

Show HN: Passkeybot.com – add passkey auth with a few server side HTTP handlers

emadda — Sun, 21 Dec 2025 15:24:12 +0000

Article URL: https://github.com/emadda/passkeybot

Comments URL: https://news.ycombinator.com/item?id=46345476

Points: 3

# Comments: 0

New comment by emadda in "Yep, Passkeys Still Have Problems"

emadda — Wed, 17 Dec 2025 23:18:48 +0000

Related: I released a hosted sign in page for passkey auth today.

Take a look:

https://passkeybot.com

Show HN: passkeybot.com - add passkey auth with a few server side HTTP handlers

emadda — Wed, 17 Dec 2025 21:47:18 +0000

Hello HN,

Passkeybot is a hosted sign in page that only supports passkeys.

Add email verification and user auth to your app with only a few server side HTTP handlers.

Feedback appreciated, Thanks, Enzo

Comments URL: https://news.ycombinator.com/item?id=46305996

Points: 4

# Comments: 0

New comment by emadda in "Ghostty compiled to WASM with xterm.js API compatibility"

emadda — Tue, 02 Dec 2025 13:00:33 +0000

I built a macOS app that uses Ghostty and fzy to fuzzy search over Apple Note titles. It is working quite well for me.

https://github.com/emadda/hot-notes/

New comment by emadda in "Show HN: JSON Query"

emadda — Mon, 27 Oct 2025 21:57:54 +0000

Maybe JS directly?

New comment by emadda in "Litestream v0.5.0"

emadda — Sat, 04 Oct 2025 07:41:26 +0000

Cloudflare D1 has this, although you are limited to using JS workers to read/write it.

https://developers.cloudflare.com/d1/best-practices/read-rep...

New comment by emadda in "Libghostty is coming"

emadda — Wed, 24 Sep 2025 12:55:02 +0000

I built a macOS app [1] (to fuzzy search Apple Notes) using Ghostty as a base so that I could use its fast rendering for large lists.

I think there is space for an Electron-like framework but for standalone terminal apps. Looking forward to using Ghostty as a library.

[1]: https://enzom.dev/hot-notes/

New comment by emadda in "Web apps in a single, portable, self-updating, vanilla HTML file"

emadda — Mon, 18 Aug 2025 14:26:12 +0000

The local html file can read local resources via src=file_path attributes on html tags (img, audio, video, script etc).

But the src-included files must be in the same directory as the root html file (or a descendant directory)

I used this in my macOS app Pocket Log to output a local html audio log (https://enzom.dev).