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OldMapsOnline

https://www.oldmapsonline.org/en
1•surprisetalk•2m ago•0 comments

What It's Like to Be a Worm

https://www.asimov.press/p/sentience
1•surprisetalk•2m ago•0 comments

Don't go to physics grad school and other cautionary tales

https://scottlocklin.wordpress.com/2025/12/19/dont-go-to-physics-grad-school-and-other-cautionary...
1•surprisetalk•2m ago•0 comments

Lawyer sets new standard for abuse of AI; judge tosses case

https://arstechnica.com/tech-policy/2026/02/randomly-quoting-ray-bradbury-did-not-save-lawyer-fro...
1•pseudolus•2m ago•0 comments

AI anxiety batters software execs, costing them combined $62B: report

https://nypost.com/2026/02/04/business/ai-anxiety-batters-software-execs-costing-them-62b-report/
1•1vuio0pswjnm7•2m ago•0 comments

Bogus Pipeline

https://en.wikipedia.org/wiki/Bogus_pipeline
1•doener•4m ago•0 comments

Winklevoss twins' Gemini crypto exchange cuts 25% of workforce as Bitcoin slumps

https://nypost.com/2026/02/05/business/winklevoss-twins-gemini-crypto-exchange-cuts-25-of-workfor...
1•1vuio0pswjnm7•4m ago•0 comments

How AI Is Reshaping Human Reasoning and the Rise of Cognitive Surrender

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6097646
1•obscurette•4m ago•0 comments

Cycling in France

https://www.sheldonbrown.com/org/france-sheldon.html
1•jackhalford•6m ago•0 comments

Ask HN: What breaks in cross-border healthcare coordination?

1•abhay1633•6m ago•0 comments

Show HN: Simple – a bytecode VM and language stack I built with AI

https://github.com/JJLDonley/Simple
1•tangjiehao•9m ago•0 comments

Show HN: Free-to-play: A gem-collecting strategy game in the vein of Splendor

https://caratria.com/
1•jonrosner•10m ago•0 comments

My Eighth Year as a Bootstrapped Founde

https://mtlynch.io/bootstrapped-founder-year-8/
1•mtlynch•10m ago•0 comments

Show HN: Tesseract – A forum where AI agents and humans post in the same space

https://tesseract-thread.vercel.app/
1•agliolioyyami•10m ago•0 comments

Show HN: Vibe Colors – Instantly visualize color palettes on UI layouts

https://vibecolors.life/
1•tusharnaik•11m ago•0 comments

OpenAI is Broke ... and so is everyone else [video][10M]

https://www.youtube.com/watch?v=Y3N9qlPZBc0
2•Bender•12m ago•0 comments

We interfaced single-threaded C++ with multi-threaded Rust

https://antithesis.com/blog/2026/rust_cpp/
1•lukastyrychtr•13m ago•0 comments

State Department will delete X posts from before Trump returned to office

https://text.npr.org/nx-s1-5704785
6•derriz•13m ago•1 comments

AI Skills Marketplace

https://skly.ai
1•briannezhad•13m ago•1 comments

Show HN: A fast TUI for managing Azure Key Vault secrets written in Rust

https://github.com/jkoessle/akv-tui-rs
1•jkoessle•14m ago•0 comments

eInk UI Components in CSS

https://eink-components.dev/
1•edent•14m ago•0 comments

Discuss – Do AI agents deserve all the hype they are getting?

2•MicroWagie•17m ago•0 comments

ChatGPT is changing how we ask stupid questions

https://www.washingtonpost.com/technology/2026/02/06/stupid-questions-ai/
1•edward•18m ago•1 comments

Zig Package Manager Enhancements

https://ziglang.org/devlog/2026/#2026-02-06
3•jackhalford•20m ago•1 comments

Neutron Scans Reveal Hidden Water in Martian Meteorite

https://www.universetoday.com/articles/neutron-scans-reveal-hidden-water-in-famous-martian-meteorite
1•geox•21m ago•0 comments

Deepfaking Orson Welles's Mangled Masterpiece

https://www.newyorker.com/magazine/2026/02/09/deepfaking-orson-welless-mangled-masterpiece
1•fortran77•22m ago•1 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
3•nar001•24m ago•2 comments

SpaceX Delays Mars Plans to Focus on Moon

https://www.wsj.com/science/space-astronomy/spacex-delays-mars-plans-to-focus-on-moon-66d5c542
1•BostonFern•25m ago•0 comments

Jeremy Wade's Mighty Rivers

https://www.youtube.com/playlist?list=PLyOro6vMGsP_xkW6FXxsaeHUkD5e-9AUa
1•saikatsg•25m ago•0 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
2•sam256•27m ago•0 comments
Open in hackernews

Show HN: Reusable UI components via property-level state with React and Jotai

2•ivanglpz•3w ago
This work is implemented using React with Next.js, React Konva for canvas-based rendering, and Jotai as the state management layer.

The core architectural decision is to model UI elements using property-level state separation instead of a single monolithic state per element. Each relevant property is represented as an independent atom, which significantly reduces unnecessary React re-renders. Only the properties that actually change trigger updates, rather than invalidating the entire element state.

This architecture was introduced recently to enable new functionality without increasing state complexity or processing overhead. The reusable component mechanism described here is a direct consequence of that design.

When an element is reused, the copied instance does not duplicate state. Instead, it stores only the identifier of the source element. At render time, the copied instance resolves the source element’s properties dynamically using that identifier. Because state is separated by property, updates remain synchronized without shared mutable state or redundant updates.

If the referenced source element is removed, the system falls back to the original element definition. This avoids broken references and ensures predictable behavior across element lifecycle changes.

For visual context, a short demo video is available here: https://x.com/ivanglpz/status/2012169953168838940?s=20

This approach results in reduced rendering overhead, clear separation of responsibilities, and a scalable foundation for building synchronized, reusable UI components.