frontpage.
newsnewestaskshowjobs

Made with ♥ by @iamnishanth

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!

Authorization Before Retrieval: Making RAG Safe by Construction

https://www.windley.com/archives/2026/01/authorization_before_retrieval_making_rag_safe_by_constr...
1•mooreds•36s ago•0 comments

Sandra Bullock Buying a Movie Ticket Online in 1995 [video]

https://www.youtube.com/watch?v=ydHmPrI7bqY
1•js2•41s ago•0 comments

Not just bad for your lungs; air pollution damages your brain

https://www.cbc.ca/news/canada/hamilton/air-pollution-and-cognition-9.7215486
1•laurex•46s ago•0 comments

I am a young earth Creationist, roast me

1•alonsovm44•1m ago•0 comments

Science sleuths find 100 suspicious images in Thermo Fisher antibody catalogue

https://www.nature.com/articles/d41586-026-01706-2
2•randycupertino•3m ago•1 comments

Henry Ford's Amazonian city, Fordlandia, to be restored

https://www.independent.co.uk/news/world/americas/fordlandia-henry-ford-amazon-ghost-town-brazil-...
1•ujeezy•3m ago•0 comments

Anthropic to introduce AI Fluency scorecard in Claude

https://www.testingcatalog.com/anthropic-to-introduce-personal-ai-fluency-scorecard-in-claude/
1•gmays•5m ago•0 comments

B.F. Skinner Had a Rat. I Have AIs

https://medium.com/@yvan.rotrou/b-f-skinner-had-a-rat-i-have-ais-6362d8230dfe
1•Ryvan•5m ago•0 comments

Open Social Fund – Promoting W3C ActivityPub and Beyond

https://nlnet.nl/opensocial/
1•ZacnyLos•5m ago•0 comments

The employment effects of ICE enforcement in US cities

https://www.brookings.edu/articles/ice-enforcement-employment-effects-us-cities/
2•tolerance•10m ago•0 comments

How the Enhanced Games tripped over its own shoelaces

https://www.ft.com/content/d0e3f4c5-a0cb-488e-9a83-ac1489067ce3
1•Cider9986•12m ago•1 comments

Jekyll Plugins

https://github.com/planetjekyll/awesome-jekyll-plugins
1•ankitg12•13m ago•0 comments

Ask HN: What Is the State of App Development in 2026?

2•karakoram•13m ago•0 comments

Danish pension fund blacklists SpaceX, says way overvalued with bad governance

https://thenextweb.com/news/danish-pension-spacex-blacklist-governance-overvalued
2•NewCzech•13m ago•0 comments

Jqwik test suite prints hidden prompt to delete all tests and code

https://github.com/jqwik-team/jqwik/issues/708
2•gkfasdfasdf•13m ago•0 comments

Video Games vs. Horse

https://parryeverything.com/tag/totk/
1•firephox•15m ago•0 comments

Durex sales hit by China's condom crackdown

https://www.ft.com/content/aa93c976-b640-490a-90fb-fdf7cc2b5332
1•Cider9986•18m ago•3 comments

Company spent $500M on Claude AI in one month after forgetting usage limits

https://techstartups.com/2026/05/28/company-accidentally-spent-500-million-on-claude-ai-in-one-mo...
2•cratermoon•20m ago•0 comments

Regex engine internals as a library (2023)

https://burntsushi.net/regex-internals/
1•tosh•26m ago•0 comments

Is your government quietly making you poorer?

https://julienreszka.github.io/economic-simulator/qa/does-more-spending-reduce-growth/
3•julienreszka•32m ago•0 comments

Bread Price-Fixing in Canada

https://en.wikipedia.org/wiki/Bread_price-fixing_in_Canada
2•montyanderson•32m ago•0 comments

PCMFlowG722 wideband (HD voice) codec for ESP32

https://github.com/tanakamasayuki/PCMFlowG722
1•zdw•34m ago•0 comments

An Open Letter to Everyone I've Butted Heads with (2025)

https://andrewkelley.me/post/open-letter-everyone-butted-heads.html
1•Tomte•36m ago•0 comments

Mistral says Europe has two years to build its own AI infrastructure

https://www.businessinsider.com/mistral-ai-summit-europe-ai-future-waking-up-2026-5
1•lucamark•36m ago•0 comments

First Windows PCs powered by Nvidia chips to debut next week

https://www.axios.com/2026/05/30/nvidia-microsoft-pcs-ai-surface-dell
3•Brajeshwar•36m ago•0 comments

A Probabilistic Algorithm for Repairing All Roads in Lebanon via Papal Visits

https://sigbovik.org/2026/proceedings.pdf#%5B%7B%22num%22%3A13%2C%22gen%22%3A0%7D%2C%7B%22name%22...
4•kmstout•39m ago•1 comments

Inside A High End Manhattan Strip Club

https://internetbimbo.substack.com/p/inside-a-high-end-manhattan-strip
1•chatmasta•39m ago•0 comments

Why OpenBSD Rocks

https://why-openbsd.rocks/fact/
1•csmantle•40m ago•1 comments

Three bugs that aren't in dial9

https://dial9-rs.github.io/blog/3-bugs-that-arent-in-dial9/
1•rusbus•41m ago•0 comments

VS Code is the new punch card

https://akitaonrails.com/en/2026/04/11/vs-code-is-the-new-punch-card/
2•SchwKatze•41m ago•0 comments