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matheusmoreira

29,217 karma · joined October 4, 2016

Brazilian hobbyist programmer. I mostly do my own thing but I've contributed to some free and open source projects.

I created the lone programming language, a lisp for Linux:

https://github.com/lone-lang/lone

The projects I've published are on GitHub:

https://github.com/matheusmoreira/

I can be reached via email:

hn@matheusmoreira.com

I also have my own website:

https://www.matheusmoreira.com/

If you like my work, consider sponsoring me:

https://github.com/sponsors/matheusmoreira

No pressure though. I do this because I enjoy it.

submissionscomments
matheusmoreira··on The scourge of x86 emulation
Existing games will not be recompiled for the new bytecode target, and they want all of those games to work regardless.
matheusmoreira··on How to Write with an LLM
More than the average person, I suppose. For some reason, AI writing isn't as irritating to me as it seems to be for everyone else.

I treat it the same way I treat human writing: by speed reading most of the article so I can find the points the author is trying to make and decide whether I should read the entire thing.

matheusmoreira··on How to Write with an LLM
> If you can't spend the time to write it, why should anyone read it?

Because the information in the post could be valuable regardless of human or LLM involvement.

matheusmoreira··on How to Write with an LLM
> If you're stating your 'strong opinions' as fact

Is there anybody on this site who isn't?

matheusmoreira··on Astra for Law
Salaries are about scarcity and leverage, they have little to do with working hours. Nurses pull insane hours and they still don't get paid as much as doctors.

Very few people, if any, are going to bust ass in law school or medical school if they're not going to get rich off it. Better to do literally anything else.

matheusmoreira··on More than 100k people in Japan are now aged 100 or older
How is a planet wide constellation with offensive capabilities not imperialistic?

The USA has officially killed the Outer Space Treaty with that system. We really do live in interesting times.

matheusmoreira··on More than 100k people in Japan are now aged 100 or older
China has been very active in Africa as of late, and it has... Interests in my own country as well.
matheusmoreira··on Astra for Law
> The need for actual lawyers will persist I think

But will their glamorous salaries persist? That is the question that matters.

AI doesn't need to wipe out lawyers. If they just depress salaries enough, virtually nobody is going to want to be a lawyer anymore.

matheusmoreira··on The CSS Zen Garden dream, finally shipped
You can value human authorship without automatically ridiculing anyone using AI.
matheusmoreira··on Mistral X Mozilla: Private, Multilingual AI Browsing
Why do they keep trying weird things? That makes no sense. People just want a browser.
matheusmoreira··on The CSS Zen Garden dream, finally shipped
Reading is about learning interesting new ideas, enjoying a narrative. The suffering of the author is beside the point.

I can sympathize with the notion that AI writing currently sucks, but not that it's automatically invalid or deserving of mockery. Maybe one day we'll have far better models. Maybe they'll do a good job without inserting any load-bearing vocabulary.

Asking for the prompts is fine, but might not be sufficient. The process iterative, and may incorporate data that won't be published. For example, I recently published a Sol/Fable benchmark article. It would be trivial for anyone to prompt a new version of the article if they had the raw benchmark data, but this data will never be published.

matheusmoreira··on The CSS Zen Garden dream, finally shipped
Analyze the game theory of what you just proposed. Have AI effortlessly generate an article for your idea, get ridiculed. Put a lot of time and effort into it instead, maybe get ridiculed anyway.

It's gonna be a no brainer for a lot of people.

matheusmoreira··on The CSS Zen Garden dream, finally shipped
The issue is metaphysical. If AI can produce the exact same output a human would, does it matter who made it?

It's possible for the ideas to come from the author while the writing is outsourced to someone else. Ghostwriting is an established practice.

Effort involved in writing sounds a lot like the "sweat of of the brow" doctrine, which is rejected even by copyright monopolists.

matheusmoreira··on The CSS Zen Garden dream, finally shipped
Please define "substantially". Exactly how many words must come from my hands and brain in order for a work to qualify as human?

Imagine that I write an article manually and keep it to myself. Then I prompt my favorite AI model and it somehow generates the exact same article, against all odds, despite having never seen it before. Then I publish the AI's article, which is equal to mine. Is the article rubbish?

> I can send a prompt myself, don't waste my time republished AI amswers.

I can do it too. I consider it rude to reply to people with AI answers during conversation. Not because I hate AI, but because it made the social interaction pointless.

That doesn't somehow invalidate the value of an AI generated article though. Not everyone thinks to prompt it with that exact idea. Not everyone has an AI they can prompt. Not everyone wants to waste their limited tokens on the idea.

I realize that reading Claudish can be aggravating but that doesn't somehow eliminate the ideas contained in the article. Those can still be very valuable, which is why I advocate for quality filters.

matheusmoreira··on Show HN: I made a flight simulator, except you're just a passenger
Does everything have to be original and novel? I think reinventing a better wheel is a perfectly good use of AI tokens.
matheusmoreira··on The CSS Zen Garden dream, finally shipped
> AI-generated rubbish

Implies you'd accept it if it wasn't rubbish. Seriously doubt your filter is based on quality.

> you’ve earned the ridicule of the whole world

As if human writing immunizes you from that. Published an article about garbage collection and had people complain about my human voice. One went so far as to suggest I had mental issues. I received praise too but some things you just never forget.

Best part is Claude warned me repeteadly that I should tone it down, and I deliberarely ignored it in order to preserve my voice and keep it pure. I'm much more inclined to listen now.

matheusmoreira··on The CSS Zen Garden dream, finally shipped
Pangram seems to be very accurate. I don't think that's a good thing though. Right now there is a lot of prejudice against AI users, and detection will only encourage that.
matheusmoreira··on Show HN: Apollo Lunar Module landing simulation
Awesome!
matheusmoreira··on Steam Frame starts at $1059
He's from Brazil, as am I, and I got the same message.
matheusmoreira··on Steam Frame starts at $1059
PC is the flight simulator platform. They're probably amazing to play in VR.
matheusmoreira··on Steam Frame starts at $1059
> This item is not available for purchase in your region

:(

matheusmoreira··on Amazon vs. Perplexity – U.S. Court of Appeals for the Ninth Circuit
> As long as you can attach a display and USB inputs, your "monitor" or "braille device" can go straight to a vision model, which can then send inputs from your "keyboard".

This is awesome!!

The local AI revolution is going to be glorious. It's no wonder they want to regulate this shit.

I can't wait until uBlock Origin integrates AI support.

matheusmoreira··on Amazon vs. Perplexity – U.S. Court of Appeals for the Ninth Circuit
> You have to own the consumer experience.

No, we have to own it.

I'm so tired of these abusive control freak corporations. I'm actually starting to look forward to these "unaligned" AIs which are just going to ignore all of this nonsense whether they like it or not.

matheusmoreira··on Amazon vs. Perplexity – U.S. Court of Appeals for the Ninth Circuit
There is nothing they hate more than user agents.
matheusmoreira··on Pion, an agent designed to run any company autonomously
To replace all the exquisitely paid executives with AIs.
matheusmoreira··on Pion, an agent designed to run any company autonomously
I came here to post this!
matheusmoreira··on The Coming War on General Computation (2011)
Yeah. Until the end.
matheusmoreira··on The Coming War on General Computation (2011)
It looks like we're nearing the end of the personal computing era. Looks like they will get their way. Whether we're regulated out or priced out, it doesn't matter, the result is the same.

Profoundly sad.

matheusmoreira··on Why is privacy so hard? (2019)
> how to tax it without screwing over hobbyist archivists

If you're a corporation, you're taxed. If you're a human, you're not.

matheusmoreira··on Ask HN: What are you working on? (September 2026)
Writing an article about compacting garbage collection for my website.
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