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•10mo 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!

I built an O(1) physics engine to stop LLM hallucinations in construction

https://flooring-ai-matrix.streamlit.app/
1•svid•2m ago•0 comments

"An Endless Stream of AI Slop"

https://arxiv.org/abs/2603.27249
2•jruohonen•8m ago•0 comments

Cursor rules that prevent AI from hallucinating bad Next.js code

https://github.com/vibestackdev/vibe-stack
1•vibestackdev•9m ago•0 comments

Positron Flux: from DORA dashboards to explaining what changed

https://sklivvz.com/posts/introducing-positron-flux
3•sklivvz1971•11m ago•0 comments

Engineering Blog Posts from Top Tech Companies

https://www.engineering.fyi
1•abracos•12m ago•0 comments

Prompt intensity threshold effect on AI-generated invention quality (preprint)

https://zenodo.org/records/19347700
1•h_hasegawa•12m ago•0 comments

Causality optional? Testing the "indefinite causal order" superposition

https://arstechnica.com/science/2026/03/getting-formal-about-quantum-mechanics-lack-of-causality/
1•rbanffy•13m ago•0 comments

The Horrors That Could Lie Ahead If Vaccines Vanish

https://projects.propublica.org/childhood-vaccines-deaths-modeling/
3•littlexsparkee•18m ago•0 comments

Does RAG Help AI Coding Tools?

https://www.mikeayles.com/blog/rag-coding-tools/
1•mikeayles•19m ago•1 comments

What Happened to Procomm Plus

https://dfarq.homeip.net/what-happened-to-procomm-plus/
1•zoidb•19m ago•0 comments

HN: AI-native investing app that builds and adapts thematic portfolios to you

https://basketsai.com
1•pranav6226•20m ago•1 comments

The Racket Programming Language

https://www.racket-lang.org/
2•h4ch1•22m ago•0 comments

Golang Constmap by Daniel Lemire

https://twitter.com/lemire/status/2038320406432494059
2•pjf•22m ago•1 comments

What are the best resources to learn about Harness Engineering?

1•udayan_w•23m ago•0 comments

After 16 years and $8B, the military's new GPS software still doesn't work

https://arstechnica.com/space/2026/03/after-16-years-and-8-billion-the-militarys-new-gps-software...
2•rbanffy•23m ago•0 comments

Claude Code's source code has been leaked via a map file in their NPM registry

https://twitter.com/Fried_rice/status/2038894956459290963
29•treexs•26m ago•12 comments

LibreTranslate: Free and Open Source Machine Translation API

https://github.com/LibreTranslate/LibreTranslate
2•ahamez•28m ago•0 comments

David Foster Wallace and the problem of loneliness [video]

https://www.youtube.com/watch?v=FCfpOugmd9E
1•simonebrunozzi•30m ago•0 comments

£5M Funding for supply chain security innovation in UK

https://apply-for-innovation-funding.service.gov.uk/competition/2421/overview/3d6991fa-73b2-48c0-...
4•anonhaven•38m ago•0 comments

Tell HN: DeepL Moving Data to AWS

3•bilekas•39m ago•1 comments

The First Bullshit

https://www.joanwestenberg.com/the-worlds-first-bullshit/
2•viermalbe•39m ago•0 comments

Monitor Claude Code Usage with Grafana

https://braw.dev/blog/2026-03-28-monitor-claude-usage-with-grafana/
2•kisamoto•40m ago•1 comments

Databricks Compromised by TeamPCP

https://www.cryptika.com/teampcp-supply-chain-attack-allegedly-compromised-databricks-platform/
2•debarshri•41m ago•0 comments

Show HN: Stochos – Keyboard driven mouse control

https://github.com/museslabs/stochos
1•ploMP4•43m ago•0 comments

Fast and Gorgeous Erosion Filter

https://blog.runevision.com/2026/03/fast-and-gorgeous-erosion-filter.html
1•runevision•45m ago•1 comments

Tell HN: If your agent can create a PR, it can merge it too

https://github.com/orgs/community/discussions/182732
1•jamesfisher•47m ago•0 comments

The Reed and Pickup – The early internet was a feeling

https://reedandpickup.com/2026/03/30/the-early-internet-was-a.html
1•viermalbe•48m ago•0 comments

Caltech quantum startup Oratomic launches with achieving scaling breakthrough

https://www.oratomic.com/news/launch-announcement
1•chrysander•50m ago•1 comments

Vulniq AI: Autonomous Security Scanner for Any JavaScript/TS Codebase

https://github.com/JakubKontra/skills/blob/main/docs/vulniq.md
1•JakubKontra•53m ago•0 comments

Paris Saint-Germain Names Harvey The Official Legal AI Partner

https://www.harvey.ai/blog/paris-saint-germain-names-harvey-the-official-legal-ai-partner
1•salkahfi•53m ago•0 comments