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PGSimCity – an explorable 3D model that shows how Postgres works

https://github.com/NikolayS/pgsimcity
23•samokhvalov•3d ago

Comments

randominsomnia•1d ago
This is awesome, what a cool idea!
zX41ZdbW•44m ago
Someone ported it to ClickHouse: https://slach.github.io/CHSimCity/

Though it looks much simpler - fewer moving parts.

manytimesaway•26m ago
Repost of https://news.ycombinator.com/item?id=49063754 two days ago - c'mon.

Kimi K3-256k

https://www.kimi.com/code/docs/en/kimi-code/models
95•monneyboi•46m ago•13 comments

Show HN: Open-source engine running Gemma 4 26B in 2 GB RAM on any M-series Mac

https://github.com/drumih/turbo-fieldfare
484•gitpusher42•5h ago•169 comments

Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the Incident

https://huggingface.co/blog/agent-intrusion-technical-timeline
147•artninja1988•23h ago•80 comments

Superlogical

https://www.superlogical.com/
346•yan•4h ago•245 comments

Keychron announces first open-source firmware for gaming mice

https://www.digitalfoundry.net/news/2026/07/keychron-announces-first-open-source-firmware-for-gam...
156•JLO64•3h ago•74 comments

KOReader

https://koreader.rocks/
582•Cider9986•9h ago•187 comments

Who the welfare state protects shapes a country’s financial openness

https://theloop.ecpr.eu/who-the-welfare-state-protects-shapes-a-countrys-financial-openness/
30•kome•1h ago•25 comments

The motion-sickness cure hidden in iPhone settings

https://www.bbc.com/future/article/20260728-dancing-dots-the-motion-sickness-cure-hidden-in-your-...
23•saikatsg•1h ago•25 comments

Turning a Dumb AC Unit Smart (Without Losing My Security Deposit)

https://prilik.com/blog/post/automating-ac-nyc/
30•austinallegro•1h ago•14 comments

Handbook.md shows that long policy documents do not reliably govern agents

https://arxiv.org/abs/2607.25398
249•spIrr•7h ago•158 comments

Claude Is Down

https://status.claude.com/incidents/q2kg8n613kr3
64•gregsadetsky•21m ago•22 comments

PgDog (YC P25) Is Hiring

https://www.ycombinator.com/companies/pgdog/jobs/uWymUYy-founding-software-engineer
1•levkk•3h ago

Document-borne AI worms can self-propagate through Copilot for Word

https://enklypesalt.com/posts/context-collapse-part3-ai-worming-through-word/
289•Canopy9560•8h ago•213 comments

A.I. companies are recruiting electricians and carpenters by the thousands

https://www.nytimes.com/2026/07/29/business/economy/data-center-electricians-training.html
130•thm•5h ago•180 comments

Commodification of Intelligence: Good, Bad, and Ugly Circular AI Deals

https://www.emergingtrajectories.com/lh/commodification-and-circularity/
17•cl42•1h ago•13 comments

Some thoughts about Anthropic's new cryptanalysis results

https://blog.cryptographyengineering.com/2026/07/29/some-notes-about-anthropics-new-results/
65•supermatou•3h ago•34 comments

How much can you delegate to agents?

https://newsletter.posthog.com/p/agent-autonomy
14•duck•1h ago•0 comments

Aurora DSQL: Scalable, Multi-Region OLTP

http://muratbuffalo.blogspot.com/2026/07/aurora-dsql-scalable-multi-region-oltp.html
7•zdw•5d ago•0 comments

Show HN: CheapFoodMap – A map of good meals under $10

https://cheapfoodmap.com/
53•jaep1•3h ago•47 comments

Darktable

https://www.darktable.org/
222•siatko•7h ago•112 comments

How to Not Die by a Thousand Cuts. Or, How to Think About Software Quality

https://www.evalapply.org/posts/how-to-not-die-by-a-thousand-cuts/index.html
14•adityaathalye•1h ago•2 comments

The Rust on ESP Book

https://docs.espressif.com/projects/rust/book/
70•AlexeyBrin•4d ago•8 comments

Hamburg's Stadtpark: A Park Built to Be Used

https://alsterrunde.com/hamburgs-stadtpark-a-park-built-to-be-used/
76•mertbio•2d ago•17 comments

Self-hosting Kimi K3: 20% more hardware cost, 20% better task resolution

https://aistack.imec-int.com/blog/gpu-self-hosting
78•flifenstein•5h ago•29 comments

Launch HN: Tokenless (YC S26) – Automatic model switching to save money

https://usetokenless.com/
40•rohaga•4h ago•36 comments

Show HN: Qwen Scribe – local transcription and dictation for Apple Silicon

https://github.com/VladUZH/qwen-scribe
52•sidclaw•5h ago•14 comments

Shipping Godot VR and Porting to PSVR2: A Partial Post Mortem

https://www.claire-blackshaw.com/blog/2026/07/shipping-godot-vr-and-porting-to-psvr2-a-partial-po...
95•ibobev•7h ago•7 comments

Learning Musical Multitasking

https://www.jefftk.com/p/learning-musical-multitasking
31•surprisetalk•5d ago•16 comments

GPT-5.6 vs. Claude Fable 5 for Physical AI, which performs best?

https://juliahub.com/blog/frontier-models-physical-ai-evaluation
65•mbauman•5h ago•13 comments

More Tailscale tricks for your jailbroken Kindle

https://tailscale.com/blog/jailbroken-kindle-proxy-tun-modes
375•Error6571•15h ago•107 comments