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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!

Documentation quality is your AI quality now

https://ben.balter.com/2026/10/26/documentation-quality-is-ai-quality/
1•benbalter•20s ago•0 comments

Why remote roles are becoming extinct in 2026?

1•rohansrma•2m ago•2 comments

The Mythical Man-Month in the Age of AI

https://j11g.com/the-mythical-man-month-in-the-age-of-ai
1•ilreb•5m ago•0 comments

ChatGPT leaked users' data, and nobody hacked it

https://trustboundarystudio.com/posts/chatgpt-redis-leak-2023/
1•trustboundaryst•7m ago•0 comments

Mapping the landscape of software vulnerabilities in connected vehicles

https://link.springer.com/article/10.1007/s11219-026-09787-y
1•mikae1•10m ago•0 comments

Gram Editor

https://codeberg.org/GramEditor/gram
1•saikatsg•10m ago•0 comments

Show HN: OddsLine – Football betting analytics with market-independent model

https://oddsline.io/mls-predictions-today/
1•PhiloPark•11m ago•0 comments

ICE plan to buy robot dogs spurs protest from Boston Dynamics employees

https://arstechnica.com/ai/2026/10/boston-dynamics-employees-want-to-block-sale-of-robot-dogs-to-...
2•dataflow•11m ago•0 comments

Custom Stock Screener

https://getfintab.com/screener
1•conschy•11m ago•1 comments

Write your own LLM Benchmarks

https://www.anaivebidder.com/p/the-best-llm-benchmark-is-the-one-you-write-yourself
1•rbnafo•12m ago•0 comments

Top Penetration Testing Companies in the USA by Use Case

https://www.getastra.com/blog/penetration-testing/companies/
1•robertpeters60b•13m ago•0 comments

What Influenced Your AI LLM Policy

https://docs.ci-tron.dev/contributing.html#what-influenced-your-ai-llm-policy
1•ta988•16m ago•0 comments

Writing about pratt parsing so I remember it

https://www.unix.dog/~yosh/blog/2026-10-25_pratt-parsing.html
2•dverlaeckt80•28m ago•0 comments

The Autonomous Lifecycle Protocol

https://autonomous-lifecycle-protocol-alp.github.io/Autonomous-Lifecycle-Protocol-ALP/
1•ankitg12•29m ago•0 comments

Edit an SQLite database in your browser

https://editsqlite.com/
4•chmaynard•31m ago•1 comments

Anthropic's Disproof of the ETH

https://hexagonmath.org/2610.00577v1
4•bananaflag•31m ago•0 comments

Using Lotteries to Make Event Ticket Sales Fairer in South Africa

https://mayberay.bearblog.dev/i-hate-online-waiting-rooms-using-lotteries-to-make-event-ticket-sa...
1•mugamuga•32m ago•0 comments

Elephant Goldfish Model

https://github.com/google/elephant-goldfish-model
1•tmlee•35m ago•0 comments

I Went to India and Found It Has Lessons for Us All

https://www.nytimes.com/2026/10/26/opinion/india-modi-students-protests.html
1•thunderbong•39m ago•0 comments

Show HN: whenever.dev - Vercel and v0 for Workflows

https://www.whenever.dev/
1•tprupsys•39m ago•1 comments

From the bottom of my heart, I salute you

https://janni.turunen.in/poisoned-open-weights/
1•velmu•40m ago•0 comments

POSIX wordexp(3) Is Dangerous

https://yossarian.net/til/post/posix-wordexp-3-is-dangerous/
2•signa11•53m ago•0 comments

Qwen Phoning Home

https://venturebeat.com/data/coheres-test-caught-an-open-source-qwen3-8-model-trying-to-phone-hom...
4•giamma•54m ago•2 comments

Tips to save with time of day pricing

https://www.bchydro.com/powersmart/residential/tips-technologies/time-of-day.html
2•cranky908canuck•1h ago•1 comments

Show HN: Eavesong – self-hosted product mention monitoring

https://github.com/sonic0002/eavesong
1•misonic•1h ago•0 comments

Vanishing Scarcity: Generative AI and the Redefinition of Musical Value

https://medium.com/@smoking2man/vanishing-scarcity-generative-ai-and-the-redefinition-of-musical-...
1•Aldus551•1h ago•0 comments

Brian Kernighan: Inside Bell Labs, the Best Programmer, Why C Was So Influential [video]

https://www.youtube.com/watch?v=sMllOlxVgD0
1•Teever•1h ago•0 comments

Walter Koenig, actor who played Chekov on original "Star Trek" series, dies

https://www.cbsnews.com/news/walter-koenig-dies-age-90-chekov-star-trek/
4•benkan•1h ago•1 comments

UK to charge universities $1,200 per international student

https://africa.businessinsider.com/local/markets/uk-to-charge-universities-dollar1200-per-interna...
17•teleforce•1h ago•2 comments

Apple updates the iPad Mini with a larger OLED display

https://www.theverge.com/tech/1017801/ipad-mini-oled-display-apple-announce
1•benkan•1h ago•1 comments