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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
503•klaussilveira•8h ago•139 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
842•xnx•14h ago•506 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
57•matheusalmeida•1d ago•11 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
166•dmpetrov•9h ago•76 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
166•isitcontent•8h ago•18 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
281•vecti•10h ago•127 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
60•quibono•4d ago•10 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
340•aktau•15h ago•164 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
226•eljojo•11h ago•141 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
332•ostacke•14h ago•89 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
422•todsacerdoti•16h ago•221 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
34•kmm•4d ago•2 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
364•lstoll•15h ago•251 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
12•denuoweb•1d ago•0 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
79•SerCe•4h ago•60 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
59•phreda4•8h ago•9 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
16•gmays•3h ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
211•i5heu•11h ago•158 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
9•romes•4d ago•1 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
123•vmatsiiako•13h ago•51 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
33•gfortaine•6h ago•9 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
160•limoce•3d ago•80 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
258•surprisetalk•3d ago•34 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1020•cdrnsf•18h ago•425 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
52•rescrv•16h ago•17 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
44•lebovic•1d ago•13 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
95•ray__•5h ago•46 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
81•antves•1d ago•59 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
36•betamark•15h ago•29 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
10•denysonique•5h ago•1 comments
Open in hackernews

Build Software. Build Users

https://dima.day/blog/build-software-build-users/
71•dinerville•1mo ago

Comments

crabmusket•1mo ago
This is interesting, and I think worth trying. However,

    The process is iterative:

    Vibe code users <--> Vibe code software

    Step by step, you get closer to truly understanding your users
Do not fool yourself. This is not "truly" "understanding" your "users". This is a model which may be very useful, but should not be mistaken for your users themselves.

Nothing beats feedback from humans, and there's no way around the painstaking effort of customer development to understand how to satisfy their needs using software.

bahmboo•1mo ago
I agree. I do like the general idea as an exploration.

Perhaps the idea is to use an LLM to emulate users such that some user-based problems can be detected early.

It is very frustrating to ship a product and have a product show stopper right out of the gate that was missed by everyone on the team. It is also sometimes difficult to get accurate feedback from an early user group.

fainpul•1mo ago
This is ridiculous. I doubt this would work with a general AI, but it surely cannot work with LLMs who understand exactly nothing about human behaviour.
josters•1mo ago
They may not understand it but they may very well be able to reproduce aspects of feedback and comments on similar pieces of software.

I agree that the approach shouldn’t be done unsupervised but I can imagine it being useful to gain valuable insights for improving the product before real users even interact with it.

fainpul•1mo ago
> reproduce aspects of feedback and comments on similar pieces of software

But this is completely worthless or even misleading. There is zero value in this kind of "feedback". It will produce nonsense which sounds believable. You need to talk to real users of your software.

ZachSaucier•1mo ago
Letting the LLM generate use cases is probably not a good idea. But writing common use cases and having a bot crawl your app and then write up how many steps it took to accomplish the goal is a good idea that I hadn't thought of before. You could even set it up as a CI check to make sure that new features that introduce more steps for specific flows are very conscious decisions. In a large application this could be a very useful feature.
wiseowise•1mo ago
Another fart in the wind. How to write lots of “programming philosophy” and say nothing.
invide•1mo ago
Good point. I think it is the time to remove the line between the engineering and product management completely. Because, we can.
elxr•1mo ago
A bit too vague to be useful advice don't you think?

Why not show some actual examples of these agents actually doing what you describe. How exactly would you set up an agent to simulate a user?

crabmusket•1mo ago
To me it sounds like one way to do this would be to have LLMs write Cucumber test cases. Those are high level, natural language tests which could be run in a browser.
Sharanxxxx•1mo ago
Yeah, I have build a Product hunt alternative for solo founders - Solo Launches to give them visibility. I built 290+ users from it till now and its free and giving a good DR dofollow backlink. https://sololaunches.com
oldsj•1mo ago
I like the idea. As a solo dev I've experimented with creating Claude subagents for multiple perspectives for "team leads" and will run ideas through them (in parallel). The subagents are just simple markdown explaining the various perspectives that are usually in contention when designing stuff. And a 'decider' that gives me an executive summary.

  agents/
    |-- customer-expert.md - validates problem assumptions, customer reality
    |-- design-lead.md - shapes solution concepts, ensures UX quality
    |-- growth-expert.md - competitive landscape, positioning, distribution
    |-- technical-expert.md - assesses feasibility, identifies technical risks
    |-- decider-advisor.md - synthesizes perspectives, executive analysis
bisonbear•1mo ago
I've experimented with something similar - my flow is to have the subagents "initialize" a persona for the task at hand, and then have the main thread simulate a debate between the personas. Not sure if it's the best approach but it's helpful to get a diversity of perspectives on an issue
nprateem•1mo ago
s/validates/guesses/

Ftfy. You might as well toss a coin.

oldsj•1mo ago
I think we’re slightly better than random at this point
nprateem•1mo ago
You really think asking AI to spaff out some bullshit validates anything?
3D39739091•1mo ago
> LLMs likely have a much better understanding of what our users need and want.

They don't.

Basically this sounds like Agentic Fuzz Testing. Could it be useful? Sure. Does it have anything to do with what real users need or want? Nope.

canadiantim•1mo ago
Pretty radical idea, love it! Definitely going to give this a try