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I built an arcade within ChatGPT

https://chatgpt.com/plugins/plugin_asdk_app_6ae4d461a6d081919bef5e8d8c6516ff
1•Waseemkhalo•56s ago•1 comments

Herdr for iPhone, iPad and Android

https://herdr.dev/mobile/
1•Fabricio20•1m ago•0 comments

We tested eight new decision models. None got more right than the one we use

https://plainlamp.com/blog/new-decision-models
1•ch0I9daAiO•2m ago•0 comments

df-script – 43kB zero-dependency DataFrame engine for TypeScript and JavaScript

https://df-script.js.org/
1•trentmorristx•2m ago•0 comments

Tensor Seeks Layout: Formalizing Layout Selection for ML Compilers

https://arxiv.org/abs/2608.21555
1•matt_d•3m ago•0 comments

AI Company Employees Should Unionize

https://www.astralcodexten.com/p/ai-company-employees-should-unionize
1•JimmyBuckets•4m ago•0 comments

Building a Ethernet Switch ASIC chip

https://essenceia.github.io/projects/expresso/
1•random__duck•7m ago•1 comments

San Francisco weighs limits on self-checkout stations

https://abc7news.com/post/san-francisco-weighs-limits-checkout-stations/19990668/
2•mikhael•7m ago•0 comments

Show HN: Loft – offline Q&A over your local files, with citations (llama.cpp)

https://github.com/nwaoga/loft
1•nwaoga•9m ago•0 comments

WhatWeRun, a database of real production AI agent stacks

https://whatwerun.dev
1•jackjackstudios•9m ago•0 comments

Films, shows, and games to grow up with

https://www.satmornings.com
1•vldx•11m ago•0 comments

Wojak-Bench 3D: Which AI is best at 3D printing?

https://wojak-bench.dev.pion.dev/
1•lukaspetersson•18m ago•0 comments

Rows vs. Columns: How different are they, really?

https://spiraldb.com/blog/rows-vs-columns
2•skadamat•20m ago•0 comments

Show HN: Radiotherapy Delivery Demo Written in Rust and WebAssembly

https://tps.neuralrad.com
2•coolwulf•21m ago•1 comments

October Outage: Technical Overview

https://www.revolut.com/blog/post/20octoutagetechnicaloverview/
2•un_montagnard•22m ago•0 comments

MergeAtlas: Turn PRs into a Map of Cards

https://github.com/ismayilkarimli/MergeAtlas
1•ismayilkarimli•23m ago•1 comments

My agent org speedran a company

https://perfloop.ai/blog/my-agent-org-speedran-a-company
2•tsenart•24m ago•0 comments

Tuberculosis rapid test allows in-the-field results

https://news.northwestern.edu/stories/2026/11/tuberculosis-rapid-test-allows-in-the-field-results
2•gmays•27m ago•0 comments

Dartmouth (Guarini) will not admit math PhD cohort this year

https://www.thedartmouth.com/article/2026/11/gandhi-fagell-guarini-will-not-admit-math-ph-d-cohor...
2•sebg•28m ago•0 comments

Customer success job postings: adoption in 78%, churn in 14%

https://resumefitting.com/customer-success-job-description-keywords
2•dailyworkaholic•28m ago•0 comments

Proof of Corn (2026)

https://proofofcorn.com/dashboard
1•StilesCrisis•31m ago•2 comments

Lego ZX Spectrum

https://ideas.lego.com/product-ideas/1113841c-596d-4f28-be4a-367cc83e8ed1
2•maverick74•32m ago•0 comments

Show HN: Smart Node, a self-hosted crew of AI agents for a small business

https://github.com/dklymentiev/smart-node
1•klmdev•33m ago•0 comments

Silicon Valley claims to know the future. So why'd it get the midterms so wrong?

https://www.technologyreview.com/2026/11/13/1148498/silicon-valley-claims-to-know-the-future-so-w...
13•adriand•33m ago•6 comments

Road Trip at the Borderland

https://longreads.com/2026/10/29/family-road-trip-china-north-korea/
2•wmchen•36m ago•0 comments

Who wants you to hate Ayn Rand? [video]

https://www.youtube.com/watch?v=JKqUUYl5SCY
1•gessha•36m ago•0 comments

Deriving the runtime to get to #1 on $12 server challenge

https://theoric.com/blog/deriving_the_runtime/
1•hargup•38m ago•0 comments

US has floated Ukraine ceding Donbas for NATO membership, Zelensky says

https://www.bbc.co.uk/news/articles/cwvg2l312ylqo
6•lifeisstillgood•38m ago•0 comments

Italy fines Meta €805M over accessing users' photos

https://www.bbc.com/news/articles/cwn83gxemk35o
9•devonnull•45m ago•1 comments

Tactical Team Changes from AI

https://staysaasy.com/tactical-team-changes-from-ai/
1•thisismytest•47m ago•0 comments
Open in hackernews

Show HN: Reaktiv – I built Excel-like reactive programming for Python

https://bui.app/when-frontend-reactivity-meets-backend-python-the-story-of-my-first-1-000-download-library/
2•buibuibui•1y ago
Hi HN! I created Reaktiv, a Python library bringing reactive programming to the backend world that recently hit 1,000+ monthly downloads.

I'm actively promoting it because I believe signal-based reactivity (a concept that spread rapidly in frontend development) has huge untapped potential in Python. My breakthrough came when I stopped describing it as "Angular signals for Python" and started calling it "Excel-like computation graphs" - suddenly Python developers understood the value.

The library automatically tracks dependencies between computations, only recalculating values when dependencies change. This eliminates manual dependency tracking, prevents synchronization bugs, and reduces cognitive load when managing complex state.

Interestingly, I've noticed some initial interest from data scientists, though I'm still exploring what specific problems it might solve for them. I also believe the Home Assistant/IoT communities could benefit greatly from this approach.

Would love your thoughts on bringing frontend patterns to backend development!