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jdmoreira

3,634 karma · joined December 27, 2014

jdmoreira.me
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jdmoreira··on Launch HN: Omnara (YC S25) – Run Claude Code and Codex from anywhere
If you can see the messages unfortunately thats a deal breaker for me. If its encrypted end-to-end than I’m in.
jdmoreira··on The Little Learner: A Straight Line to Deep Learning (2023)
This was just standard procedure at university in 2002. Nothing special. It was me and 200 more people. Pretty sure all the exercises were lifted or inspired by The Little Schemer even thought it took me years to learn about that book.
jdmoreira··on The risk of a hothouse Earth trajectory
Just price in the externalities and it probably solves itself
jdmoreira··on The Little Learner: A Straight Line to Deep Learning (2023)
I mostly learned with pen and paper and tracing in my mind. We were 18 though
jdmoreira··on The Little Learner: A Straight Line to Deep Learning (2023)
N=1, but I learned scheme first. It was great and I'm doing fine. First scheme then C. Back-to-back.
jdmoreira··on Ask HN: Junior getting lost
Almost certainly these people know way way more than you and a lot of knowledge is tacit knowledge and cant be explained easily.

Also don't trust anything from college that are not hard provable facts. Just don’t. Trying to learn "best practices" in college is total BS.

For example, I was already quite experienced when I worked with a specific really good older engineer. I knew he was very good but I thought he was wrong about some things and I was right. We had some debates. I kept thinking about those things for years. Now I know he was right about all those things. Yeah, he was right about everything I remember disagreeing with at the time. Took me years to figure it out.

So here is an advice to my younger self: Shut up and put in the thousands and thousands of hours first.

jdmoreira··on Tesla ending Models S and X production
Because the world has already been built for the "human" interface
jdmoreira··on Why I don't have fun with Claude Code
It was never really about typing the code for me, or solving trivial tasks in isolation.

It was always about building the right abstractions, great api surfaces, growing codebases without having them collapse under their own weight, etc.

I still get to do that everyday with claude code and arguably faster. I just have to be on top of it at all times. So I've kept having fun!

What I don't understand is the people that stopped reading and iterating on the code. That's just insanity to me!

jdmoreira··on Tell HN: Bending Spoons laid off almost everybody at Vimeo yesterday
If you are an LP a their fund this is what you would expect. Hate the player not the game.
jdmoreira··on Statement by Denmark, Finland, France, Germany, the Netherlands,Norway,Sweden,UK
This is exactly it
jdmoreira··on Iran report says 16,500 dead in 'genocide under digital darkness'
Maybe the U.S. Second Amendment isn’t necessarily a bad thing.

People should have the ability to resist or overthrow a tyrannical government.

This is what happens when the population has no guns.

jdmoreira··on Show HN: Tusk Drift – Turn production traffic into API tests
I'm sold on this. Have been looking for something similar!
jdmoreira··on Trump to impose tariffs on European nations over Greenland
You guys are all really purist with your shade of white.
jdmoreira··on Ansible battle tested hardening for Linux, SSH, Nginx, MySQL
claude code is really good at it from my experience
jdmoreira··on Chinese AI models have lagged the US frontier by 7 months on average since 2023
distilling does not require the models to be released. They simply use the apis.

They have been a source of innovation but probably not in training them.

jdmoreira··on Chinese AI models have lagged the US frontier by 7 months on average since 2023
that's because they are distilling the frontier models
jdmoreira··on Video Game Websites in the early 00s
Peak civilization
jdmoreira··on Trump says Venezuela’s Maduro captured after strikes
You would expect them to have started baking the pizza inside the pentagon already by now :)
jdmoreira··on Scientists discover beer bottle in the Mariana Trench (2024)
That's not how pressure works if it's opened. The forces balance out
jdmoreira··on Ask HN: By what percentage has AI changed your output as a software engineer?
Hard to tell... It's not double or more net gain, that I can tell.

I'm not even entirely sure it's a net positive at this point but it feels like it.

I would say probably between 20% to 50% more productive.

jdmoreira··on Ask HN: What are you buying your kids for Christmas?
I am giving my 6 year old girl an old acer netbook that boots directly to pico-8. This will be her first computing experience. She never had access to phones or tablets.
jdmoreira··on Has the cost of building software dropped 90%?
I think there might be something here! a core of truth about what the future might hold. I cant take this approach right now though. Its not a good approach today.
jdmoreira··on Has the cost of building software dropped 90%?
Sure. But am I supposed to still understand that code at some point? Am I supposed to ask other team members to review and approve that code as if I had written it?

I'm still trying to ship quality work by the same standards I had 3 or 5 years ago.

jdmoreira··on Has the cost of building software dropped 90%?
I must be holding wrong then because I do use Claude Code all the time and I do think its quite impressive… still I cant see where the productivity gains go nor am I even sure they exist (they might, I just cant tell for sure!)
jdmoreira··on The Reverse Centaur's Guide to Criticizing AI
Very good (albeit extremely cynic) take!

reality is probably somewhere in the middle but it does make a good case

jdmoreira··on Some models of reality are bolder than others
I’ve always had this weird intuition that Zeno’s Arrow Paradox is some indication that there must be some discreteness. Somehow, somewhere, there must be a ‘tick.
jdmoreira··on This Month in Ladybird: November 2025
What happened with their plans to start writing in Swift? Does anyone know?
jdmoreira··on Red Alert 2 in web browser
Hope someone somewhere still has the source for MicroProse’s Shandalar.
jdmoreira··on Kratos - Cloud native Auth0 open-source alternative (self-hosted)
I've implemented otp codes / magic links many times now. They absolutely always have a timeout. Say 30 minutes.
jdmoreira··on Ok Billionaire: Why Do the Opinions of 600 Americans Get So Much Airtime? (2019)
Some of them are wealthy because they are the best at playing the wealth game (and got lucky along the way).

Why does everyone care about Cristiano Ronaldo? Being the best at kicking a ball is the stupidest skill there is (IMHO).

at least becoming wealthy is a game that correlates with skills I care about.

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