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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•8mo 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!

Nuclear Weapons Are Now ESG Compliant

https://news.slashdot.org/story/26/01/14/144240/nuclear-weapons-are-now-esg-compliant
1•7777777phil•1m ago•0 comments

The Truth Architecture – Why Web3 Is the Only Way Out

https://aegistrail.github.io/posts/Why-Web3-is-the-only-way-out/
1•patronage•1m ago•0 comments

Humans are taking our jobs

https://humanthreat.xyz/
2•modinfo•3m ago•0 comments

Predator Spyware Turns Failed Attacks into Intelligence for Future Exploits

https://www.securityweek.com/predator-spywares-granular-anti-analysis-features-exposed/
1•smurda•4m ago•0 comments

Engineering a reusable insulin patch pump

2•u-pump•5m ago•0 comments

The Harvesting of Lettuce

https://sftw.substack.com/p/310-to-yuma
1•HR01•5m ago•0 comments

Seamless codebase-relevant context enrichment for prompts

https://github.com/arterialist/magic-prompt
1•Arterialist•6m ago•0 comments

Is Sienna Rose AI? All Signs Point to 'Yes'

https://www.rollingstone.com/music/music-news/sienna-rose-ai-artist-real-1235499068/
1•geox•7m ago•0 comments

With AI coding we can just make our own editors

https://github.com/posix4e/minivim
1•alexnewman•11m ago•1 comments

Show HN: StayUp – a background desktop app for activity-based time trackers

1•delusdev•13m ago•0 comments

How to Build an AI Agent Declaratively with Terraform

https://chatbotkit.com/tutorials/how-to-build-an-ai-agent-declaratively-with-terraform
1•_pdp_•13m ago•0 comments

Perelman's Proof of the Poincar E Conjecture: A Nonlinear PDE Perspective

https://arxiv.org/pdf/math/0610903
1•tzury•19m ago•0 comments

Show HN: SMath Units, RCPC Initiative

https://github.com/JTRSoftware/Project_RCPC/tree/main/ReadyToShare/sMath
1•jtr87•20m ago•0 comments

Blue on X: "unrot your brain"

https://twitter.com/bluewmist/status/2012755834636533893
2•bilsbie•22m ago•0 comments

Show HN: Open-source confusion matrix generator for ML models

1•pareshrnayak•22m ago•1 comments

Ljudmila

https://wiki.ljudmila.org/Main_Page
2•jruohonen•22m ago•0 comments

The real technical debt is semantic decay and only platforms can stop it

https://unvarnishedgrady.substack.com/p/on-platforms-iii-the-physics-of-meaning
1•ecurb•22m ago•0 comments

Show HN: 13MB full-text site search

https://www.asciimx.com/log/site-search/
1•kovac•23m ago•0 comments

Coding with LLMs can still be fun

https://www.codingwithjesse.com/blog/coding-with-llms-can-still-be-fun/
1•CodingWithJesse•23m ago•0 comments

Could Europe Defeat America in an All-Out War?

https://globalaffairsexplained.com/europe-defeat-america/
1•type0•25m ago•1 comments

Show HN: Moshi – Talk to Claude Code from your phone (zero desktop install)

https://getmoshi.app
1•rjyo•26m ago•0 comments

What is Plan 9?

https://fqa.9front.org/fqa0.html#0.1
21•AlexeyBrin•27m ago•3 comments

Show HN: Straw – HTTP Liquid template engine

https://github.com/moritzrinow/straw
1•devmojo•28m ago•0 comments

Stop Begging Prospects to Open Your Files

https://www.sendnow.live
2•sendnow•30m ago•0 comments

Show HN: I made a Tetris based block puzzle game

https://playdropstack.com/
3•lastodyssey•31m ago•0 comments

String Theory Can Now Describe a Universe That Has Dark Energy

https://www.quantamagazine.org/string-theory-can-now-describe-a-universe-that-has-dark-energy-202...
2•7777777phil•33m ago•0 comments

Self Driving Biology

https://mattshams.com/writings/self-driving-biology
1•hnpwd•33m ago•0 comments

Artist's Statement (1971)

https://www.emohr.com/articles-biblio/ManfredMohrParis1971Text.jpg
3•jruohonen•34m ago•0 comments

I hotreload Rust and so can you

https://kampffrosch94.github.io/posts/hotreloading_rust/
2•birdculture•35m ago•0 comments

Show HN: LlmSHAP – Multi-threaded input importance for prompts and RAG context

https://github.com/filipnaudot/llmSHAP
4•filipn9•40m ago•3 comments