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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!

Brazil's AI Development Strategy Needs an Edge Layer – TechPolicy.Press

https://www.techpolicy.press/brazils-ai-development-strategy-needs-an-edge-layer/
1•rbanffy•1m ago•0 comments

Voice layer for any website – does it worth?

https://vopio.ai/
1•smartobject1978•7m ago•0 comments

Nest Thermostat in 2026

https://artificially-awesome.com/posts/nest/
1•ayanb9440•10m ago•0 comments

Show HN: Autonomous script testing 1.58M Harvard MPC orbits without Planet Nine

https://github.com/Dr-Logvinovich/IT3-Solar-System-Quantum-Architecture/
3•DRLogvinovich•26m ago•0 comments

Show HN: Buy the whole stock market in one cheap fund and get on with your life

https://vtchill.com/
1•HNdev1995•27m ago•0 comments

Going all-in on Sorbet (type-checking for Ruby)

https://docspring.com/blog/posts/going-all-in-on-sorbet/
1•nathan_f77•29m ago•0 comments

Nvidia loses ground in Washington chip fight after CEO spy scandal

https://www.politico.com/news/2026/11/10/nvidia-ceos-spy-scandal-tilts-capitol-hills-chip-fight-0...
3•snikolaev•38m ago•0 comments

Framework Yubikey Expansion Card

https://www.moparisthebest.com/framework-yubikey-expansion-card/
1•whalesalad•40m ago•0 comments

The Unexpected AI Stack: C# + .NET

https://chrlschn.dev/blog/2026/08/the-unexpected-ai-stack-csharp-dotnet-part-1/
2•mike1o1•41m ago•0 comments

Getting the (In)Formal Statement Right

https://www.robertj1.com/ai4science/getting-the-statement-right/
1•matt_d•41m ago•0 comments

Apple TV makes sign language interpretation a built-in accessibility feature

https://techcrunch.com/2026/11/10/apple-tv-makes-sign-language-interpretation-a-built-in-accessib...
4•colinprince•44m ago•0 comments

Beyond technology: Scientific taste and judgment in nutritional science

http://www.the-innovation.org/captcha/page?redirectUrl=%2Farticle%2Fdoi%2F10.59717%2Fj.xinn-nutri...
1•gmays•46m ago•0 comments

A sad update about a scissors maker that went viral (2018)

https://kottke.org/18/06/a-sad-update-about-a-scissors-maker-that-went-viral
1•zenincognito•47m ago•0 comments

28 Days in an underground pipe (to launch an attack on Russian positions)

https://www.ukrinform.net/rubric-ato/4182745-28-days-in-an-underground-pipe.html
2•giuliomagnifico•49m ago•0 comments

Greg Kurtzer's Ginux is now a userspace kernel

https://github.com/gmkurtzer/ginux
20•d3Xt3r•50m ago•3 comments

Cognizant dedicates more than 25000 professionals to Claude delivery

https://finance.yahoo.com/technology/ai/articles/cognizant-dedicates-more-25-000-113000969.html
1•sjdh76•51m ago•0 comments

The State of Go in 2026

https://blog.jetbrains.com/go/2026/11/10/state-of-golang-2026/
4•bigwhite•56m ago•0 comments

Further Reading from the Field Guide for Senior Software Engineers

https://themissingcipher.com/reading/
1•mooreds•58m ago•0 comments

The AI Arms Race Is Not Inevitable. It's Just Profitable

https://ai-frontiers.org/articles/the-ai-arms-race-is-not-inevitable-its-just-profitable
5•reasonableklout•1h ago•0 comments

Stacy Keach, star of stage and 'Mike Hammer' series, dies at 85

https://apnews.com/article/stacy-keach-dies-actor-e823cdf35ff64d9ca383adacec4eb9aa
4•petethomas•1h ago•1 comments

My AI Agents Found an Unmapped Maya Site in Mexico

https://pietromiotti.com/latest/maya-site/
4•nnx•1h ago•0 comments

What are your favorite tools?

2•d675•1h ago•0 comments

What Would Be 'Showrooming'?

1•cranky908canuck•1h ago•1 comments

Yappng ; A much, much much cheaper alternative to Wispr Flow

https://yappng.com/
3•tomatob•1h ago•0 comments

Show HN: Black Ops II statically recompiled to native ARM64 macOS

https://github.com/adrbn/bo2-mac
3•adrbn•1h ago•0 comments

AI Coding CLI Tools to Try Beyond Claude Code and Codex

https://medium.com/@ajseven/7-ai-coding-cli-tools-to-try-beyond-claude-code-and-codex-e95155e153b...
2•its_ajseven•1h ago•1 comments

AetherSAST-150-CWE-MCP

https://github.com/maxxwwim/AetherSAST-150-CWE-MCP
1•actheglitch•1h ago•0 comments

Tell HN: Are You Real?

3•modinfo•1h ago•9 comments

OpenAI acquires Odessia, travel startup created by Sonder founder

https://techcrunch.com/2026/11/10/openai-acquires-odessia-travel-startup-created-by-sonder-founder/
2•inthebay•1h ago•0 comments

What Is BaaS? – Back End-as-a-Service vs. Serverless

https://www.cloudflare.com/learning/serverless/glossary/backend-as-a-service-baas/
1•colinprince•1h ago•0 comments