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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•6mo 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!

Axe Programming Language

https://github.com/axelang/axe
1•qaz_wsx•6m ago•0 comments

Parabolas and Archimedes - Numberphile

https://www.youtube.com/watch?v=GAcUZ3my6E0
1•nyc111•7m ago•0 comments

Show HN: Hide X Posts at Country Level

https://chromewebstore.google.com/detail/geofilterx-country-filter/fmgkmllibmlgheocamljbiaibalidafe
1•hgarg•9m ago•0 comments

How Do We Verify Corporate Circular Economy Claims Without Public Data?

1•niksmac•16m ago•0 comments

Article on Gods Timing

https://applygodsword.com/3-signs-god-is-saying-your-time-is-coming/
1•marysminefnuf•18m ago•0 comments

Hyundai Mobile Eccentric Droid

https://robotics.hyundai.com/en/unveiled-robots/mobile/mobedNew.do
1•ricardobeat•20m ago•0 comments

Show HN: Quintus Calendars – An alternative to the irregular Gregorian calendar

https://quintus.sh/
1•egz•23m ago•0 comments

Benchmarking Vulnerability of Agent-Generated Code in Real-World Tasks

https://arxiv.org/abs/2512.03262
1•doppp•25m ago•0 comments

U.S. Authorities Shut Down Major China-Linked AI Tech Smuggling Network

https://www.justice.gov/opa/pr/us-authorities-shut-down-major-china-linked-ai-tech-smuggling-network
3•latchkey•27m ago•0 comments

Another DeepSeek Moment

https://threadreaderapp.com/thread/1996538308697137277.html
3•xngbuilds•29m ago•0 comments

Show HN: TinyJson API – Create temporary API endpoints from JSON in seconds

https://tinyjsonapi.com/
2•yterasaka•31m ago•0 comments

Show HN: WhatsApp Backup Reader – Offline Viewer

https://github.com/rodrigogs/whats-reader
2•rodrigogs•33m ago•0 comments

The Warner Brothers lobbying bonanza

https://www.politico.com/news/2025/12/08/inside-the-warner-bros-lobbying-bonanza-00682276
1•JumpCrisscross•34m ago•0 comments

Insufficient sleep associated with decreased life expectancy

https://news.ohsu.edu/2025/12/08/insufficient-sleep-associated-with-decreased-life-expectancy
1•ivewonyoung•34m ago•0 comments

Eye blinks synchronize with musical beats during music listening

https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3003456
3•PaulHoule•37m ago•1 comments

A wage for housework? India's experiment in paying women

https://www.bbc.com/news/articles/c5y9ez3kzrdo
1•1659447091•38m ago•0 comments

Show HN: A "bank of my parents" for my young kids

https://www.bankofmyparents.com
1•aintitthetruitt•39m ago•0 comments

Gnome Workbench

https://github.com/workbenchdev/Workbench
1•nivethan•39m ago•0 comments

Google's First AI Smart Glasses Coming in 2026

https://www.macrumors.com/2025/12/08/google-ai-smart-glasses-2026/
2•mgh2•40m ago•1 comments

The Next Generation of Neural Networks – 2007 [video]

https://www.youtube.com/watch?v=AyzOUbkUf3M
2•embedding-shape•41m ago•0 comments

Nano Banana Flash – Google's Gemini 3 Flash Image Model

https://nanobananaflash.io
1•xbaicai•41m ago•2 comments

Alaska Plots AI-Driven Digital Identity

https://reclaimthenet.org/alaska-plans-ai-powered-digital-id-linking-identity-and-payments
2•balderdash•47m ago•0 comments

The State of Enterprise AI

https://openai.com/index/the-state-of-enterprise-ai-2025-report/
1•mfiguiere•51m ago•0 comments

Eylenburg's Tech Website

https://eylenburg.github.io/
1•thunderbong•54m ago•0 comments

ICLR 2026 Response to Security Incident

https://blog.iclr.cc/2025/12/03/iclr-2026-response-to-security-incident/
2•nsoonhui•59m ago•0 comments

Ask HN: How does one build personal network?

3•piratesAndSons•1h ago•1 comments

Architecting Security for Agentic Capabilities in Chrome

https://security.googleblog.com/2025/12/architecting-security-for-agentic.html
1•ShinyNewFeature•1h ago•0 comments

'Circularity' is a flashing warning for the AI boom

https://www.washingtonpost.com/opinions/2025/12/08/ai-boom-investment-circular-dot-com-bubble/
2•richardatlarge•1h ago•1 comments

Blockchain, Stablecoins and Smart Contracts: A Guide for Modern Enterprises

https://lightrains.com/blogs/blockchain-stablecoins-smart-contracts/
1•niksmac•1h ago•0 comments

Resh v0.7 – AI-Native Automation Shell (25/30 Handles Complete)

https://github.com/millertechnologygroup/resh
1•smille69•1h ago•1 comments