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

https://openciv3.org/
546•klaussilveira•9h ago•153 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
872•xnx•15h ago•527 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
78•matheusalmeida•1d ago•16 comments

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

https://github.com/valdanylchuk/breezydemo
186•isitcontent•10h ago•23 comments

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

https://github.com/pydantic/monty
189•dmpetrov•10h ago•84 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
10•videotopia•3d ago•0 comments

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

https://vecti.com
298•vecti•12h ago•133 comments

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

https://github.com/microsoft/litebox
347•aktau•16h ago•169 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
73•quibono•4d ago•16 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
343•ostacke•16h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
441•todsacerdoti•18h ago•226 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
16•romes•4d ago•2 comments

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

https://eljojo.github.io/rememory/
240•eljojo•12h ago•148 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
44•kmm•4d ago•3 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
378•lstoll•16h ago•256 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
5•helloplanets•4d ago•1 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
222•i5heu•13h ago•168 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
97•SerCe•6h ago•78 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 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...
20•gmays•5h ago•3 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•83 comments

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

https://github.com/phreda4/r3
63•phreda4•9h ago•11 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
129•vmatsiiako•15h ago•56 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
40•gfortaine•7h ago•11 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
261•surprisetalk•3d ago•35 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/
1032•cdrnsf•19h ago•428 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
6•neogoose•2h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
56•rescrv•17h ago•19 comments

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

https://docs.smooth.sh/cli/overview
85•antves•1d ago•62 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
20•denysonique•6h ago•3 comments
Open in hackernews

Thread First – A model for chat experiences

https://progressdb.dev/docs/blog-thread-first
27•hasante•3mo ago

Comments

whalesalad•3mo ago
This comes across as a 100% vibe-coded system that could really just be a table or two in a standard SQL database with some care taken with indexing and partitioning (when you reach that point).

What am I missing? What would compel someone to abandon a battle tested system like PSQL for a critical storage engine for this?

You can do an append-only table like this in any SQL database. You can use composite keys to achieve the query+natural sorting abilities over a single field. The effort to replicate this feature in any other environment is so minimal that it the 'vendor lock-in' makes this a non-starter in my eyes.

hasante•3mo ago
Hi - its not - more about 20% - for tests and non critical things.

Focusing on your abandonment part etc etc:

- Its not really trying to achieve that, this is simply a more efficient model, with a good storage coupling (for chat).

- What is being achieved here is a cohesive solution for chat specific workloads and optimising for it.

One of the benefits is speed (throughput, latency) - and very cheap calls.

More so - under sql, and for developers who have different demands and mostly changing demands - the effort is quite complicated situation (I speak from my own experience)

The focus here is a simple downmost layer - that allow all the varieties of top layers & requirements to be achieved easily.

In my blog post - i share a variety of these.

Also product is not ready - but thought i share this idea - as i think it can be of benefit to most devs who are starting out with a product.

You technically dont even need progressdb to achieve it - You can do it with a backend based pebble or rocksdb database.

hasante•3mo ago
The database is completely opensource and is technically backed by Pebble golang - which is opensource.

There are no changes to the underlying core, i simply make it easy to use operationally, along with other chat centric demands in the AI age.

e.g Backups, Retention, Scaling it up etc.

So there is no "Vendor lock-in" - and i plan to opensource everything.

I dont even feel i own the idea - its pretty out there, am just bringing eyes towards it.

esafak•3mo ago
The site is down. https://www.isitdownrightnow.com/progressdb.dev.html
hasante•3mo ago
I can access it - and dont see any resource outages etc.

Hmm - you can access it directly or its not showing when you visit?

Thanks & upscaled the vps a level up just in case.

esafak•3mo ago
It is now back up.
djupblue•3mo ago
>For example, to build shared threads like OpenAI’s, you might end up creating a new collection, a caching layer, or an index just to connect messages that logically belong together.

Which messages belongs together depends on the context and when you discover that the fancy thread store you built your app around can't return a list of MY messages without a full sequential scan of every single thread you'll wish you could solve it with an index.

hasante•3mo ago
Hi - dont know how to answer you directly - but yes the store has an index already, at a timed sequence for example. And a key called thread:thread_meta.

This statement is in no way saying you dont need an index, its simply saying, this is the variety of ways people might end up choosing.

Which is just 1 example of the type of work - a thread model & compatible store can fix and fix more efficiently.

In no way fancy too - this is just redis with a disc and some steps imo.