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dlisboa commented on Mexico to US livestock trade halted due to screwworm spread   usda.gov/about-usda/news/... · Posted by u/burnt-resistor
dlisboa · 16 days ago
With this and the tariffs on Brazil the US consumer is going to feel it.
dlisboa commented on Ask HN: Who wants to be hired? (August 2025)    · Posted by u/whoishiring
dlisboa · 23 days ago
Location: Brazil

Remote: Yes, Hybrid in São Paulo

Willin to relocate: No

Technologies: Ruby, JavaScript, Go, Ruby on Rails, ReactJS, VueJS, PostgreSQL, MySQL, Sqlite, AWS, Kubernetes, Linux

Résumé/CV: https://www.linkedin.com/in/dlisboa/

Email: diogo at dlisboa.com

I have over 17 years experience building distributed and highly scaled systems. Most recently I was a Principal Engineer at a Brazilian startup, where I helped steer a 40+ person dev team changing the dev culture, mentoring developers, moving us from a monolith to microservices, designing a bunch of client-facing and internal APIs, and putting out plenty of production fires.

I'm a polyglot programmer and love working across multiple stacks. Most of my career has ben with Ruby, JavaScript and Go, though I've worked in projects with Python, Java, Kotlin, Haskell, and more. I enjoy solving problems, no matter the stack and I'm always eager to learn new tech.

dlisboa commented on The current hype around autonomous agents, and what actually works in production   utkarshkanwat.com/writing... · Posted by u/Dachande663
anon191928 · a month ago
it would take months with old tech to create a bot that can check multiple websites for specific data or information? so LLM reduces the time a lot? am I wrong?
dlisboa · a month ago
Months? Scraping wasn’t a hard problem then. Classifying information is a different and more complex thing, which is what these models are very good at. Then again we had other means of classification before LLMs without having to go through chat bots.
dlisboa commented on Nobody knows how to build with AI yet   worksonmymachine.substack... · Posted by u/Stwerner
gngoo · a month ago
To me it feels like I’m in the camp of people who has already figured it out. And I have now learned the hard way that it’s almost impossible to teach others (I organized several meetups on the topic).

The ability seems like pure magic. I know that there are others who have it very easy now building even complex software with AI and delivering project after project to clients at record speed at no less of quality as they did before. But the majority of devs who won’t even believe that it’s remotely possible to do so is also not helping this style of building/programming mature.

I wouldn’t even call it vibe coding anymore. I think the term hurts what it actually is. For me it’s just a huge force multiplier, maybe 10-20x of my ability to deliver with my own knowledge and skills on a web dev basis.

dlisboa · a month ago
Just record yourself doing it and post online. If the projects are indeed complex and you’ve found a way to be 20x more productive people will learn from it.

The problem is not having any evidence or basis on which to compare claims. Alchemists claimed for centuries to synthesize gold, if they only had video we could’ve ruled that out fast.

dlisboa commented on AirPods succeed by not selling you a new pair   victorwynne.com/airpods-s... · Posted by u/victorwynne
timpera · a month ago
Wait, y'all can still use your 3 year old AirPods? On mines, the battery went nuts in ~18 months, and I don't even use them that much.
dlisboa · a month ago
I have a 6 year old pair, battery last about 20 minutes tops.
dlisboa commented on Murderland: Crime and Bloodlust in the Time of Serial Killers   newyorker.com/books/under... · Posted by u/rbanffy
mrkramer · 2 months ago
For example John Wayne Gacy underwent psychiatric evaluation and "Two doctors concluded he had an antisocial personality disorder (the clinical term for sociopathy and/or psychopathy), was unlikely to benefit from treatment, and that his behavior pattern was likely to bring him into repeated conflict with society. The doctors concluded Gacy was mentally competent to stand trial[0]."

After that he was granted parole and released from prison and in the following years he murdered more than 30 young boys. So yea, the system failed us all. Although it is hard to evaluate and predict who will turn out to be maniac killer out of thousands and thousands of psychiatric cases health system deals with.

[0] https://en.wikipedia.org/wiki/John_Wayne_Gacy#:~:text=Two%20...

dlisboa · 2 months ago
Gacy is a good example of failure of the judicial system. He also came from a broken family and his father was violent and drunk. He was imprisoned but homosexual sex crimes weren’t taken seriously even against minors. This allowed him to leave prison with almost no time served. I wouldn’t blame the psychiatrists here.

We see that same pattern with Dahmer where the police literally released one of his victims into his custody and joked about the young teen being Dahmer’s “boyfriend”.

dlisboa commented on Murderland: Crime and Bloodlust in the Time of Serial Killers   newyorker.com/books/under... · Posted by u/rbanffy
mrkramer · 2 months ago
Perhaps but I would argue that the most likely reason is genetics plus traumatic childhood. Manson had traumatic childhood; living on the streets, committing crime and spending half of his life in prison and in state institutions. When you add drugs and hippie flower power music scene to that you get Manson.

Bundy also had traumatic childhood not knowing who his real father is and believing his mother is his older sister while being raised by his grandparents. He was violent sex addict always craving for more and more. Imo his genetics played the key part in his deviant violent behavior.

dlisboa · 2 months ago
I’ve watched movies on and read about countless serial killers. Almost always they came from horrible families, with abuse, neglect, different types of punishment. Also it seems there never is any type of psychological follow up of them as kids when they started to act “weird”. So most are just forgotten people who were never looked at mentally. At least I the 70s, I don’t know today.

I think there a couple cases where that’s not true but rare exceptions.

dlisboa commented on What Google Translate can tell us about vibecoding   ingrids.space/posts/what-... · Posted by u/todsacerdoti
falcor84 · 2 months ago
Is that beans example a real thing? If so, I would hate for my kids to be subjected to that. The best thing about watching films from another country is that you're exposed to the culture of that foreign place and learn about how it's different from yours - I don't see why we'd try to localize away the human experience as if these differences don't exist.
dlisboa · 2 months ago
Localization is more important than you might think.

My wife worked for a company that helped provide teaching content for schools throughout Brazil. They'd interview teachers all over the country and one of the complaints from teachers in isolated communities was that they had to use the same textbooks as other places in Brazil without any regard to their own situation.

They reported that many examples for starting math for kids featured things like "strawberries" or "apples", things the kids had never seen or maybe heard. So now they needed to abstract over what is a "fruit" and a "countable object" as well as whatever the example was trying to teach. Teachers reported less engagement and it was more work for them to adapt it to local relevance.

Try to teach kids about vegetables in the US midwest and use green beans and Bok Choy as an example, for instance. It doesn't make sense.

dlisboa commented on LLMs pose an interesting problem for DSL designers   kirancodes.me/posts/log-l... · Posted by u/gopiandcode
scelerat · 2 months ago
Linguistics and history of language folk: isn't there an observed slowdown of evolution of spoken language as the printing press becomes widespread? Also, "international english"?

Is this an observation of a similar phenomenon?

dlisboa · 2 months ago
I don't know about that, though I'm not a linguist. Seems to me most people haven't been literate for that long and the printing press would've been "useless" as a tool to modify the language of populations with only 10-20% literacy well into the 19th century. So 100 or so years seems too short to observe that.

Also some of the most widely spoken languages today do feature a high degree of diglossia between spoken and written variety, to a point where the written language has been outpaced. We could call that evolving. Examples would Brazilian Portuguese and American English (some dialects specifically have changed English grammar).

Also, notoriously, Chinese written characters have been used for languages that evolve independently and are not mutually intelligible for millennia. Them being printed on paper instead of written doesn't make a difference.

What we do have today is a higher exposure and dominance of certain dialects, with some countries even mandating a certain type of speech historically, coupled with a higher degree of conectivity in society to a point where not being intelligible to other people very far away carries a much worse penalty. That tampers some of the evolution much more than printing press in my view.

dlisboa commented on AI Angst   tbray.org/ongoing/When/20... · Posted by u/AndrewDucker
timr · 3 months ago
> My main issue with vibe coding etc is I simply don't enjoy it. Having a conversation with a computer to generate code that I don't entirely understand and then have to try to review is just not fun. It doesn't give me any of the same kind of intellectual satisfaction that I get out of actually writing code.

I am the opposite. After a few decades of writing code, it wasn't "fun" to write yet another file parser or hook widget A to API B -- which is >99% of coding today. I moved into product management because while I still enjoy building things, it's much more satisfying/challenging to focus on the higher-level issues of making a product that solves a need. My professional life became writing specs, and reviewing code. It's therefore actually kind of fun to work with AI, because I can think technically, but I don't have to do the tedious parts that make me want to descend into a coma.

I could care less if I'm writing a spec for a robot, or I'm writing a spec for a junior front-end engineer. They're both going to screw up, and I'm going to have to spend time explaining the problem again and again...at least the robot never complains and tries really hard to do exactly what I ask, instead of slacking off, doing something more intellectually appealing, getting mired in technical complexity, etc.

dlisboa · 3 months ago
You touched on the significant thing that separates most of the AI code discourse in the two extremes: some people just don't like programming and see it as a simple means to an end, while others love the process of actually crafting code.

Similar to the differences between an art collector and a painter. One wants the ends, the other desires the means.

u/dlisboa

KarmaCake day1425June 28, 2012
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Hi there! You can reach me at, diogo at dlisboa.com
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