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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•11mo 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!

What Comes After Vibe Coding

https://blog.bijup.com/what-comes-after-vibe-coding
1•andreirx•1m ago•0 comments

Show HN: One-command deploys from your terminal with CreateOS CLI

https://nodeops.network/createos/docs/CLI/Overview
1•alex_creates•1m ago•0 comments

Pruner: Give AI coding agents the right context in one shot

https://github.com/heikki-laitala/pruner
1•xfiler•3m ago•0 comments

Dependency cooldowns turn you into a free-rider

https://calpaterson.com/deps.html
1•calpaterson•9m ago•0 comments

Bypass Paywalls Clean Chrome

https://gitflic.ru/project/magnolia1234/bypass-paywalls-chrome-clean
1•Cider9986•9m ago•0 comments

Multi-Agentic Software Development Is a Distributed Systems Problem

https://kirancodes.me/posts/log-distributed-llms.html
1•tie-in•10m ago•0 comments

Sam Altman: Man charged with attempting to murder OpenAI boss

https://news.sky.com/story/sam-altman-man-charged-with-attempting-to-murder-openai-boss-13531548
1•taspeotis•13m ago•0 comments

UpDown: Efficient Manycore based on Many Threading & Scalable Memory Parallelism

https://people.cs.uchicago.edu/~aachien/lssg/research/10x10/ics26-single-chip-updown.pdf
2•matt_d•14m ago•0 comments

TanStack Start Now Support React Server Components

https://tanstack.com/blog/react-server-components
2•polywock•14m ago•0 comments

How the corpse flower came to be so weird

https://www.scientificamerican.com/article/how-the-corpse-flower-evolved-its-bizarre-traits/
1•1659447091•17m ago•0 comments

HyperVenom: Using Hyper-V for Ring -1 Control from Usermode

https://gsmll.github.io/hypervenom/writeup/
1•claykettle•19m ago•0 comments

Modern Git based version control with parallel and stacked branches

https://gitbutler.com/
1•rushil_b_patel•21m ago•0 comments

Can Germany restart its nuclear power program?

https://www.politico.eu/article/germany-berlin-nuclear-is-over-the-debate-isnt/
1•leonidasrup•22m ago•0 comments

Introduction to Spherical Harmonics for Graphics Programmers

https://gpfault.net/posts/sph.html
2•nicebyte•27m ago•0 comments

Hackers Reveal Rockstar Earns over $1M a Day from GTA Online

https://kotaku.com/hackers-reveal-rockstar-earns-over-1-million-a-day-from-gta-online-2000687207
1•jmsflknr•31m ago•0 comments

Show HN: Groupr – Rust CLI that sorts files into subfolders by extension

https://github.com/TimFinnigan/groupr
1•timfinnigan•36m ago•0 comments

Show HN: Shloka Artha [Word-by-Word Meanings for Shlokas]

https://shlokartha.in/
1•init0•36m ago•0 comments

Show HN: Deflect One – command line dashboard for managing Linux servers via SSH

https://github.com/Frytskyy/deflect-one
2•whitemanv•38m ago•1 comments

Show HN: 2nnel – self-hosted ngrok with one-click framework-agnostic deployment

https://github.com/22or/2nnel
1•rogerdodgerwang•39m ago•0 comments

Need feedback on sandflare.io – AI Agent Sandboxes with

2•ajaysheoran2323•42m ago•0 comments

When Dancing Plagues Struck Medieval Europe(2019)

https://daily.jstor.org/when-dancing-plagues-struck-medieval-europe/
1•rawgabbit•43m ago•0 comments

Is It Worth Learning Unity in 2026? In the Age of AI

https://darkounity.com/blog/is-it-worth-learning-unity-in-2026
2•hacker_13•45m ago•0 comments

I Built a Open Source Portfolio and Project Website – Sean Filimon

https://seanfilimon.com
2•seanfilimon•46m ago•0 comments

Microlink: Tailscale-compatible VPN client for ESP32

https://github.com/CamM2325/microlink
1•MrBuddyCasino•52m ago•0 comments

Bear Roll – Daily roll of Bear Blog's top posts

https://bearroll.dev/
2•freediver•54m ago•0 comments

How to build an Agent

https://ampcode.com/notes/how-to-build-an-agent
2•pramodbiligiri•58m ago•2 comments

Ex150nosauce+ACV-5 review: Bouncing off the new Bottom?

https://www.exfatloss.com/p/ex150nosauceacv-5-review-bouncing
1•paulpauper•1h ago•0 comments

Math Is Still Catching Up to the Mysterious Genius of Srinivasa Ramanujan

https://www.quantamagazine.org/srinivasa-ramanujan-was-a-genius-math-is-still-catching-up-20241021/
15•paulpauper•1h ago•0 comments

Qten AI platform for social media content creator

https://www.qten.ai/
1•bandishankar•1h ago•0 comments

Spektrafilm – Open-source Film Simulation

https://github.com/andreavolpato/spektrafilm
2•mikae1•1h ago•1 comments