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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•9mo 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!

OpenClaw on $5 chips, no Linux or Node.js

https://www.mimiclaw.io/
1•ssslvky1•5m ago•2 comments

ChatGPT promised to help her find her soulmate. Then it betrayed her

https://www.npr.org/2026/02/14/nx-s1-5711441/ai-chatgpt-openai-love-betrayal-delusion-chatbot
1•tyjen•8m ago•1 comments

A Framework for Time-Updating Probabilistic Forecasts

https://arxiv.org/abs/2602.09982
1•Luc•8m ago•0 comments

Show HN: I built a personal news-curating AI using Ruby and Claude

https://github.com/ashishra0/news-curator
1•ashishra0•8m ago•0 comments

All in on DLang: Why I pivoted to D for web, teaching and graphics in 2025 [pdf]

https://dconf.org/2025/slides/shah.pdf
2•teleforce•10m ago•0 comments

AI and the Quantity and Quality of Creative Products

https://www.nber.org/papers/w34777
1•tonyedgecombe•13m ago•0 comments

AI film school trains next generation of Hollywood moviemakers

https://www.reuters.com/business/media-telecom/ai-film-school-trains-next-generation-hollywood-mo...
1•giuliomagnifico•16m ago•0 comments

Pentagon Used Anthropic's Claude in Maduro Venezuela Raid

https://www.wsj.com/politics/national-security/pentagon-used-anthropics-claude-in-maduro-venezuel...
3•sbuttgereit•19m ago•0 comments

Mandatory driver impairment sensors clear a funding hurdle, but are they ready?

https://apnews.com/article/federal-law-impairment-detection-car-dui-062d40e885a0e32c6cad0ba70163aef8
2•geox•22m ago•0 comments

Ask HN: What's You Opinon on XMTP

1•julienreszka•22m ago•0 comments

Meeting-Assistant, Local meeting notes assistant and AI analysis in C++

https://github.com/DatanoiseTV/meeting-assistant
1•sylwester•23m ago•1 comments

How to interactively call C code from Chicken Scheme [video]

https://www.youtube.com/watch?v=twm99YQiN8E
1•AlexeyBrin•25m ago•0 comments

Claude Agent in VS Code: no extension required, Copilot subscription supported

https://code.visualstudio.com/docs/copilot/agents/third-party-agents#_claude-agent-preview
1•javiercr•27m ago•0 comments

A Deep Dive into Apple's .car File Format

https://dbg.re/posts/car-file-format/
2•MrFinch•30m ago•0 comments

Best PC Specs to Run Local AI Models Like Minimax, Free

https://twitter.com/meta_alchemist/status/2022614255426769129
1•bilsbie•30m ago•0 comments

Show HN: Foundry: Deploy observability without the complexity

https://github.com/SigNoz/foundry
1•nageshbansal•31m ago•0 comments

Mode Prologue: Luxury 98% Mechanical Keyboard

https://modedesigns.com/pages/prologue
1•subdomain•31m ago•1 comments

CEU Economic Seminar Series: Long-Run Consequences of Propaganda in Classroom

https://events.ceu.edu/2024-02-20/ceu-economic-seminar-series-long-run-consequences-propaganda-cl...
1•taubek•35m ago•0 comments

1x Forth: Chuck Moore on Forth (1999) [video]

https://www.youtube.com/watch?v=NK0NwqF8F0k
2•tosh•38m ago•1 comments

Bothive – An Operating System for AI Agent Swarms

https://bothive.cloud/
2•jeremyace•39m ago•0 comments

Non Asshole Funding for AI Startup – Binary Diffusion

https://pbs.twimg.com/media/HBHe_y4akAAw6Do?format=png&name=900x900
1•corn13read2•40m ago•2 comments

Show HN: ScreenshotIt – What if a screenshot was just a URL?

https://screenshotit.app
2•rufuspollock•43m ago•0 comments

I got tired of my speaker terminal fighting me, so I rebuilt it

https://fiosproject.de/posts/fixing_my_speaker_system/
2•ls-root•45m ago•1 comments

Rules to Be a Better Thinker in 2026

https://ryanholiday.net/26-rules-to-be-a-better-thinker/
2•rwmj•47m ago•0 comments

AI could eat itself: Competitors (..) steal their secrets and clone them

https://www.theregister.com/2026/02/14/ai_risk_distillation_attacks/
1•myk-e•49m ago•0 comments

CPUs are getting so small they're starting to hallucinate

https://twitter.com/lauriewired/status/2022387879390122049
1•guivr•51m ago•0 comments

Bypassing Kernel32.dll for Fun and Nonprofit

https://ziglang.org/devlog/2026/#2026-02-03
1•agluszak•53m ago•0 comments

Swiyu Swiss e-ID app: security and freedom of choice for Android users

https://www.eid.admin.ch/en/swiyu-wallet-security-and-freedom-of-choice-for-android-users
3•nar001•54m ago•0 comments

Only Samsung loves me back

https://www.anuragk.com/blog/posts/Samsung.html
1•beAroundHere•56m ago•0 comments

Starlink is connecting more than 10M active customers

https://twitter.com/Starlink/status/2022446814591615013
1•tosh•56m ago•0 comments