frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

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!

Switzerland's invisible skyline: why Zug towers over the rest

https://prospex.ch/blog/switzerlands-invisible-skyline-companies-by-building/
1•theanonymousone•1m ago•0 comments

A Figma clone built by GPT-6 Astra

https://wieslawsoltes.github.io/Vellum/
1•aghuang•5m ago•1 comments

Ask HN: Do you route only certain websites through a VPN?

1•dennysora-main•7m ago•0 comments

The Structured Vacuum: Thinking about Nothing [pdf]

https://rafelski.com/~johann/Books/StructVacuumE.pdf
2•rramadass•14m ago•0 comments

Revealing a Hidden Class of Task-in-Prompt Adversarial Attacks on LLMs

https://aclanthology.org/2025.acl-long.334/
1•aghuang•15m ago•0 comments

Show HN: Rust and Box2D browser physics game – build destructive machines

https://v-yanakiev.itch.io/machina
1•v-yanakiev•18m ago•0 comments

MyNoise – Custom Soundscapes for Focus, Relaxation and Sleep

https://mynoise.net/index.php
1•pan69•20m ago•0 comments

Show HN: Vera – A memory log that leaves interpretation to AI agents

https://ag3497120.github.io/call-me-vera/
1•pakupaku•21m ago•0 comments

Robot writes in languages it has never seen before

https://www.wired.com/story/robot-writing/
2•euanming•21m ago•0 comments

The biggest problem in buying AI compute is credit

https://twitter.com/gpugene/status/2096427973893411312
1•MrBuddyCasino•22m ago•0 comments

Anthropic IPO launch shifts toward mid-October

https://www.cnbc.com/2026/09/05/anthropic-ipo-launch-shifts-toward-mid-october-reuters.html
2•aghuang•23m ago•0 comments

Show HN: Assist (Voice Screenshot)

https://assistapp.dev
1•abhishekucs•27m ago•1 comments

TR-106

https://en.wikipedia.org/wiki/TR-106
2•num42•28m ago•0 comments

LA District Bans Most A.I. For Students

https://www.nytimes.com/2026/09/03/us/lausd-schools-ban-ai-artificial-intelligence.html
2•narenst•28m ago•1 comments

Greenland forces Trump's US oil firm to delay drilling

https://www.theguardian.com/world/2026/aug/12/trump-greenland-oil
5•Alien1Being•31m ago•0 comments

Consciousness, creativity andunderstanding not obstacles to machine intelligence

https://link.springer.com/article/10.1007/s11229-026-05655-1
2•klaustro•32m ago•0 comments

'Huge Breakthrough' in the Math of Imbalance

https://www.quantamagazine.org/huge-breakthrough-in-the-math-of-imbalance-20260821/
1•diazc•34m ago•0 comments

Find fastest DoH provider for you

https://dnsspeedtest.online/
1•snihalani•35m ago•0 comments

Why Laser Beams Are the Hottest New Tech in Defense

https://www.bloomberg.com/news/articles/2026-09-04/why-laser-beams-are-the-hottest-new-tech-in-de...
1•Alien1Being•35m ago•0 comments

After 30 Years of Silence, the Original NSA Whistleblower Looks Back

https://therealnews.com/after-30-years-of-silence-the-original-nsa-whistleblower-looks-back
2•Eridanus2•38m ago•0 comments

LMMS 1.3.0-alpha.2 Release (after 5 yrs of last release)

https://github.com/LMMS/lmms/releases/tag/v1.3.0-alpha.2
1•xiaoyu2006•43m ago•0 comments

I Run Grok Bot with BotOps

https://granda.org/en/2026/09/06/how-i-run-grok-bot/
3•granda•44m ago•0 comments

Joy and Curiosity #98

https://twitter.com/thorstenball/status/2096466015055953967
6•tosh•44m ago•0 comments

Ada: An open-source data analyst that tells you when its own forecast is useless

https://github.com/saineshnakra/automated-data-analyst
5•saineshnakra•45m ago•0 comments

An Empirical Study on Soundness Bugs in the Rust Compiler

https://arxiv.org/abs/2608.28713
1•rvz•49m ago•0 comments

Extract and Review Web Page Links Using a Bookmarklet

https://www.adamsdesk.com/posts/extract-review-web-page-links/
1•rdmuser•49m ago•0 comments

What "Decolonizing" Israel Looks Like. | Professor Noura Erakat - Full Interview

https://www.youtube.com/watch?v=TuBMKhObhgs
1•xbmcuser•51m ago•0 comments

Revise is the Figma of machine learning

https://www.revise.live/
3•Aadi_Ajmire•53m ago•0 comments

A volunteer stopped a backdoor from exposing Linux systems worldwide (2024)

https://www.theverge.com/2024/4/2/24119342/xz-utils-linux-backdoor-attempt
6•joebig•55m ago•0 comments

RecallDock

2•ashishmallur•57m ago•0 comments