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

https://openciv3.org/
499•klaussilveira•8h ago•138 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
836•xnx•13h ago•503 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
53•matheusalmeida•1d ago•10 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
109•jnord•4d ago•18 comments

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

https://github.com/pydantic/monty
164•dmpetrov•8h 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

Dark Alley Mathematics

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

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

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

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

https://github.com/microsoft/litebox
339•aktau•14h ago•163 comments

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

https://eljojo.github.io/rememory/
222•eljojo•11h ago•139 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/
421•todsacerdoti•16h ago•221 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
11•denuoweb•1d ago•0 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/
360•lstoll•14h ago•248 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...
15•gmays•3h ago•2 comments

Delimited Continuations vs. Lwt for Threads

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

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

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

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
209•i5heu•11h ago•156 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•8 comments

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

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

Learning from context is harder than we thought

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

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
257•surprisetalk•3d ago•33 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/
1013•cdrnsf•17h ago•422 comments

FORTH? Really!?

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

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

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
92•ray__•5h ago•43 comments

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

https://red.anthropic.com/2026/zero-days/
44•lebovic•1d ago•12 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
10•denysonique•5h ago•0 comments

How virtual textures work

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

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

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

Taking Buildkite from a side project to a global company

https://www.valleyofdoubt.com/p/taking-buildkite-from-a-side-project
86•shandsaker_au•5mo ago

Comments

exidy•5mo ago
I love BuildKite. It might seem obvious now but I feel like BK had two key ideas -- fully declarative pipelines and a hybrid SaaS control plane / customer-managed workers concept that made it so much easier to deploy into large enterprises. That combined with a UI that was clear and a pleasure to work with.

I do wonder how BK will continue in a world that's increasingly dominated by GitHub and and other integrated solutions, but I hope as long as there's a market for quality tools, BK will survive and thrive.

kawsper•5mo ago
It also allowed us (a small startup) to run huge test suites, on cheap dedicated hardware from Hetzner, without sacrificing the developer experience.

It was the bill I was the happiest to pay.

We used Knapsack Pro to efficiently parallelise our Ruby test suite.

Today, I still use Buildkite, but now I build golden images (with packer) and deploy them with terraform.

sj26•4mo ago
Turning our snowflake infrastructure into an autoscaling fleet via a packer + terraform pipeline was one of my first projects at Buildkite back in 2016:

https://buildkite.com/resources/blog/terraform-techniques-wi...

We still have this pipeline with terraform, but have moved from building packer images for ec2 to building containers for ecs.

Cyph0n•5mo ago
> In 2019 we raised a Series A of $28 million. The reason we did that was because I wanted to buy a house.

Haha, love it.

An inspirational story for sure!

apwell23•5mo ago
It usually ' I wanted to buy a house for my mom'
sj26•4mo ago
I think he basically did this too.
sqs•5mo ago
Buildkite is awesome, by far the best CI product and with an amazing team.
stock_toaster•5mo ago
I used to really like buildkite, but their pricing has gotten kind of wild. Guess they are only chasing large cap orgs these days.
patapong•5mo ago
> The products I built with Claude are worse than without them because I use programming as a way to think and interact with the problem. When you're coding, you're deeply invested in the problem you're solving, getting intimate with the problem. With AI tools, it's surface level. It's a one-night stand with a problem versus a deep and meaningful relationship.

A very interesting insight about AI coding. It gets at the theory building part of programming, which is much harder to do when just supervising an AI in my experience. On the other hand, I am so much faster that it's hard not to use AI for coding. Interested to see what they come up with!

kannanvijayan•5mo ago
I'd been struggling to find good use cases for agentic things like Claude for this reason. My project is not a good fit for it as there's enough novelty to throw off the ML pattern systems. I was benefitting greatly from autocomplete, but not really leaning too much on code-writing tools.

But I actually found a use case where the agentic approach adds incredible value: internal tooling and visualization.

I was debugging some feature in the core, and had some code to jump a JSON diagnostic structure with a lot of info. Looking at this directly was getting to be a pain, so I wanted to write a UI for it.

Claude handled this task almost perfectly for <$5. I wrote up a description of the JSON schema, and a description of how that should map to a view, added some styling directions, and let er rip. In one afternoon, I go the UI built for me when I was doing dishes.

So I built the tool and went back to debugging and made a ton of progress using it. It's ok if I don't have a full internalization of the visualization architecture. It's basically a complex software "jig" that the AI built for me. I can build new ones as necessary.

A very interesting revelation.

maccard•5mo ago
My last company were buildkite customers and I was a champion for buildkite. Their offering was superb, and we loved it. This story pretty succinctly explains why we left buildkite - they chased enterprise billing to their success, and left the smaller companies behind. We had built our entire org around buildkite pipelines - using them for everything, because it was a convenient way to run tasks. We had 60 people who weee considered users. On their current pricing that would be $1800/month just for licenses which is nothing for a large company but it was the same cost as the hardware we ran the tasks on, and that wouldn’t fly. We left for team city which still had a viable middle ground for smaller companies.

Its a pity because it shows that there’s just so much more money by not catering to tens like ours

sj26•4mo ago
I'm Sam, a founding engineer still at Buildkite. I've been quite vocal that this was short term gains for long term pains. We're in the process of fixing this - we're working on a free tier and a more accessible paid plan for start ups and scale ups. I want to build tools for everyone, not a select few. Stay tuned. In the meantime I would be happy to have pricing conversations where our pricing doesn't make sense: sam@buildkite.com.
RainyDayTmrw•5mo ago
I evaluated Buildkite at a previous job, and I came to these conclusions.

1. Buildkite is probably the best commercial, off-the-shelf CI system right now, in terms of providing all the correct building blocks at the correct level of abstraction. 2. The impact of your CI system itself being good or bad is tiny in comparison to everything else in your end-to-end CI workflow. Far more important are your own CI scripts and what they run. A distant second is the observability tooling around your CI. 3. It's hard to justify the per-seat pricing of Buildkite, as a separate line item, when whatever CI offering your source control host bundles in will suffice.

maccard•5mo ago
> the impact of your CI system itself being good or bad is tiny in comparison to everything in your end to end CI workflow.

I disagree here. A bad CI system makes it very, very easy to make the end to end workflow incredibly painful. Some small QOL features (buildkites input step was probably the reason it stuck for so long with us) are the difference between a tool being indistinguishable from others and being leaps and bounds ahead.

> it’s hard to justify the per seat pricing of buildkite

Buildkites pricing starts at 50% more than GitHub enterprise does. I couldn’t justify it as someone who loves buildkite and is in charge of making those decisions.

RainyDayTmrw•5mo ago
In most enterprises, the choice isn't Github vs Buildkite, it's Github vs Github plus Buildkite. That's what makes it so hard to pay for a separate CI vendor that costs more, when your source code hosting vendor already bundles one, as good or as bad as it might be.
maccard•5mo ago
Sorry - I agree with you entirely.