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Show HN: Is there water? Live answers for Austin's creeks, lakes, and springs

https://atxwater.info/
1•mrctte•1m ago•0 comments

Pixuma: Fundamentals of Computer Science and Mathematics

https://pikuma.com/
1•bananaboy•1m ago•0 comments

Parasocial Relationships Shape Our Lives

https://medium.com/theentertainmentbreakdown/the-unreality-of-the-truman-show-parasocial-ideas-cf...
1•raynchad•3m ago•0 comments

Broadscale Deep Learning for Maya Settlement Detection in G-LiHT Lidar

https://link.springer.com/article/10.1007/s10816-025-09741-5
1•Jimmc414•17m ago•0 comments

Wayback Machine

https://web.archive.org
1•trekhleb•19m ago•0 comments

Computational Identifiability

https://arxiv.org/abs/2606.19361
1•simonpure•19m ago•0 comments

'Vibecoded' Apps Are Flooding the App Store. Is That Good for Apple?

https://www.nytimes.com/2026/07/20/technology/apple-app-store-vibecoding.html
1•bookofjoe•20m ago•1 comments

Teorema Combina: El Combinador Lógico Del Observador

https://zenodo.org/records/21461759
1•Javiercombina•20m ago•0 comments

Brockovich Data Center Reporting – U.S. AI Data Center Awareness and Issue Map

https://brockovichdatacenter.com/index.html
1•thunderbong•21m ago•0 comments

Australia's ban on social media for under-16s has jolted EU into belated action

https://www.irishtimes.com/politics/2026/07/18/australias-ban-on-social-media-for-under-16s-has-j...
1•1vuio0pswjnm7•22m ago•0 comments

EU fines Alphabet $1B US for Google Play, search infractions

https://www.cbc.ca/news/business/eu-fines-alphabet-google-9.7280498
5•1vuio0pswjnm7•24m ago•1 comments

Quirky health care tech company calling employees back to the office full-time

https://fortune.com/2022/12/06/harry-potter-dining-hall-dry-cleaning-treehouse-epic-systems-retur...
1•Anon84•27m ago•1 comments

Chrysalis Zero Trust Agent Registry

https://baursoftware.com/zero-trust/chrysalis
1•toadkicker•29m ago•0 comments

From Frontier Models to Enterprise Execution: Why Kimi Partnership Matters Now

https://www.cloud-net.ai/news/from-frontier-models-to-enterprise-execution-why-cloudnet.ai’s-kimi...
1•y2so•30m ago•0 comments

Grocery Shopping in the Age of Explosive Diarrhea

https://www.newyorker.com/culture/progress-report/grocery-shopping-in-the-age-of-explosive-diarrhea
1•fortran77•31m ago•0 comments

Elon Musk Says This Will Be Tesla's 'Biggest Product'

https://www.inc.com/georgia-fearn/elon-musk-says-this-will-be-teslas-biggest-product-ever-if-it-c...
1•1vuio0pswjnm7•31m ago•0 comments

Advancing Mathematics Research with AI-Driven Formal Proof Search

https://arxiv.org/abs/2605.22763
1•Jimmc414•32m ago•0 comments

Open Problems: Why Reading Every Herculaneum Scroll Is Still a Challenge

https://scrollprize.org/2026_open_problems
1•Jimmc414•32m ago•0 comments

Lockless MPSC FIFO queues for io_uring

https://lwn.net/Articles/1081871/
1•signa11•36m ago•0 comments

Show HN: Openleetcode – LeetCode runner where tests live in the repo

https://github.com/therepanic/openleetcode
1•therepanic•36m ago•0 comments

Your analytics are lying to you

https://ankursethi.com/blog/your-analytics-are-lying-to-you/
1•gnyeki•38m ago•0 comments

Show HN: Coypa is a fun way to manage your clipboard

https://github.com/willmeyers/coypa
1•willmeyers•39m ago•0 comments

Technology is a slippery slope to the bottom

https://danielc.dev/blog/slipperyslope/
1•inatreecrown2•40m ago•0 comments

Doom on Google Sheets

https://github.com/moses297/doom-on-google-sheets/
2•kamphey•42m ago•0 comments

Show HN: A factory simulator game built on Spreadsheets

https://www.logisheets.com/?craft=factory-simulator
2•JeremyHe•43m ago•0 comments

Show HN: Understanding Floating Point

https://proto.csprimer.com/fp/
1•ozanonay•43m ago•0 comments

Letterpaths: Or how LLMs can be good even when they're bad

https://www.robinlinacre.com/letterpaths_llms_good_even_when_bad/
1•rzk•44m ago•0 comments

The $100M Market of Popcorn Buckets

https://www.nytimes.com/2026/07/23/business/media/movie-theaters-popcorn-buckets.html
3•chrisaycock•45m ago•1 comments

Getting Started with Azure SQL Developer on MacBook

https://marlonribunal.com/getting-started-with-azure-sql-developer-on-macbook/
3•MarlonPro•48m ago•0 comments

Splink – Fast, accurate and scalable probabilistic data linkage

https://moj-analytical-services.github.io/splink/index.html
3•rzk•49m ago•0 comments
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!