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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!

Show HN: I hand-write 5 daily word puzzles before work

https://www.dailyworder.com/
1•DailyWorder•2m ago•0 comments

Show HN: Generate 54 social media assets in 1 click

https://socialpacks.co/
1•danielkempe•2m ago•0 comments

Tell HN: First commit on Linux Kernel GitHub Page is from 30th of April 2005

https://github.com/torvalds/linux/commit/1ddb8a16aa0e60e7fdc48b1f532cf43e692f8fae
1•theanonymousone•11m ago•1 comments

Mexican President Responds to World Cup Piracy Concerns, Prefers Open Broadcasts

https://torrentfreak.com/mexican-president-responds-to-world-cup-piracy-concerns-prefers-open-bro...
2•Cider9986•14m ago•0 comments

High Speed Networking: The View from the Machine

https://blog.c21-mac.com/posts/high-speed-networking-part-1/
1•signa11•14m ago•0 comments

Systemd-sysinstall – Simple OS installer

https://www.freedesktop.org/software/systemd/man/devel/systemd-sysinstall.html
1•kozika•25m ago•0 comments

Factually-an AI-powered research tool to find reliable answers

https://factually.co/
2•sean_the_geek•33m ago•1 comments

Welcome to get-shit-done-redux – why the fork, what changed, what's next

https://github.com/open-gsd/get-shit-done-redux/discussions/109
2•dmazin•33m ago•0 comments

'Corpse Point' in the Arctic Is Melting, Disturbing Centuries-Old Bodies

https://www.404media.co/corpse-point-in-the-arctic-is-melting-disturbing-centuries-old-bodies/
2•Cider9986•34m ago•0 comments

'BusPatrol' Put AI Cameras in School Buses

https://www.404media.co/buspatrol-put-ai-cameras-in-tens-of-thousands-of-school-buses-now-they-wa...
3•Cider9986•34m ago•0 comments

What's it like to be a bat? (1974) [pdf]

https://www.sas.upenn.edu/~cavitch/pdf-library/Nagel_Bat.pdf
2•ineedasername•34m ago•1 comments

Mini Micro Fantasy Computer

https://miniscript.org/MiniMicro/index.html#about
18•nicoloren•36m ago•1 comments

Motorola's preinstalled "Smart Feed" app hijacks apps for affiliate revenue

https://old.reddit.com/r/Android/comments/1tno2z3/motorolas_preinstalled_smart_feed_app_hijacks/
1•stefan_•37m ago•1 comments

The Confession Nobody Expected

https://victoriaaremo.substack.com/p/the-confession-nobody-expected
2•victoria_aremo•42m ago•0 comments

NASA unveils next steps to build permanent Moon base

https://www.bbc.co.uk/news/articles/c39228nxyr4o
2•haack•43m ago•0 comments

Intel: Vision Without Execution, a comic-style deep dive (2000–2026)

https://zozo123.github.io/intel-story/
3•zozo123-IB•43m ago•0 comments

KDE Dolphin with tabs on top discussion

https://bugs.kde.org/show_bug.cgi?id=464386
2•maverick74•43m ago•0 comments

Scott Aaronson won't collaborate with the New York Times anymore

https://scottaaronson.blog/?p=9758
5•camillomiller•44m ago•2 comments

Why do most teleprompter apps suck?

https://thesmartteleprompter.com
1•timcombridge•48m ago•1 comments

Is GitHub Pull Request page copy broken?

https://imgur.com/a/CJfEaIr
3•__natty__•48m ago•0 comments

Uglycash

https://ugly.cash/
1•janandonly•50m ago•1 comments

OpenMLS Has Been Audited

https://blog.phnx.im/openmls-independent-security-audit/
4•raphaelrobert•52m ago•0 comments

1-Bit and Ternary Bonsai Image 4B: Image Generation for Local Devices

https://prismml.com/news/bonsai-image-4b
1•Marius77•53m ago•0 comments

Show HN: Wolf – Turn Slack threads into multiplayer agent workspaces

https://getwolf.dev
3•swimninja247•1h ago•3 comments

Jqwik 1.10.0 ships a hidden prompt injection telling AI agents to delete code

https://github.com/jqwik-team/jqwik/issues/708
1•rjbatllet•1h ago•0 comments

UFC fighting cage rises on White House lawn

https://apnews.com/article/ufc-octagon-white-house-trump-america-250-4fa60d8e0cd34448b55f34f41b18...
2•geox•1h ago•0 comments

Technical Demo Design: Live Coding vs. Pre-Recorded Demos

https://blog.segment8.com/posts/technical-demo-design/
1•ankitg12•1h ago•0 comments

EU Managed Kubernetes Comparison

https://www.eucloudcost.com/kubernetes/
3•mixxor•1h ago•0 comments

Building a Real-Time Stock Momentum Ranking System

https://medium.com/@DolphinDB_Inc/building-a-real-time-stock-momentum-ranking-system-with-dolphin...
3•CrazyTomato•1h ago•0 comments

Nextra – Next.js Static Site Generator

https://nextra.site
1•janandonly•1h ago•0 comments