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The coin-flipping that counts the Internet – how the HyperLogLog algorithm works

https://www.scientificamerican.com/article/the-coin-flipping-trick-that-counts-the-internet/
1•beardyw•1m ago•0 comments

Antelog – stops AI coding agents from running dangerous commands

https://antelog.dev/
1•Yashsarwaiya•2m ago•0 comments

When Will We Stop Reading Code?

https://misfra.me/2026/when-will-we-stop-reading-code/
1•preetamjinka•2m ago•0 comments

Hims and Hers to offer unapproved peptides after US eases curbs

https://www.reuters.com/business/healthcare-pharmaceuticals/hims-hers-narrows-2026-revenue-foreca...
1•1659447091•3m ago•0 comments

Show HN: Clingon – Markdown cheatsheets that run in your real shell

https://github.com/con-dog/clingon/blob/master/README.md
1•purple-leafy•6m ago•0 comments

Montray – Don't let a broken systemd service go unnoticed

https://github.com/dimonomid/montray
1•dimonomid•9m ago•0 comments

Finding Peace in the Process: How to Survive the Perfect Demoparty

https://marincomics.com/evoke-2026.html
1•self•11m ago•0 comments

M John Harrison becomes first science fiction author to win the Booker prize

https://www.theguardian.com/books/2026/nov/09/m-john-harrison-the-end-of-everything-wins-2026-boo...
5•sorokod•19m ago•0 comments

Ask HN: Exploring non-Euclidean static-resonance and zero-latency hardware (v=0)

1•masterofroot•21m ago•0 comments

FlashStore: A Ceph OSD Rewritten in Rust for NVMe

https://github.com/croit/ceph-rust
1•jojodicus•23m ago•0 comments

Self-hosting email the hard way from your own routable IPv4 block up

https://anil.recoil.org/notes/recoil-self-hosting-2026
2•cromka•24m ago•0 comments

Two Apps One Process

https://andersmurphy.com/2026/11/09/two-apps-one-process.html
1•andersmurphy•26m ago•1 comments

Fortune Telling and Speculative Design

https://maggieappleton.com/fortune-telling
2•saikatsg•32m ago•0 comments

Terraform governance: using incident evidence and plan output to define "fixed"

https://leanpub.com/terraform-on-azure
1•newbmiao•37m ago•0 comments

How to control unit tests in Agentic Pipelines

3•n4pw01f•39m ago•0 comments

My notes app has no database, just a folder of Markdown and an MCP server

https://sayjot.xyz/blog/no-database
1•mohakbajaj•40m ago•0 comments

Max Hardberger: Repo man of the seas (2010)

https://www.theguardian.com/world/2010/nov/14/max-hardberger-sea-captain-pirates-seized
1•js2•40m ago•0 comments

Fireworks AI security breach impacts Notion and their customers

https://www.notion.com/help/security-incident-involving-a-third-party-ai-vendor
2•werrett•40m ago•0 comments

MeterMesh: Count SaaS usage in a small Go mesh before Postgres

https://github.com/vinayrawat058/metermesh
1•vinayrawat058•40m ago•0 comments

RippleMap – Map dependencies across GitHub repositories

https://github.com/Zintrivious/ripplemap
1•Zintrivious•48m ago•0 comments

New Details Emerge in Amazon Ads Auction-Rigging Case

https://www.ftc.gov/news-events/news/press-releases/2026/11/new-details-emerge-amazon-ads-auction...
2•toomuchtodo•48m ago•2 comments

Mailgun SMTP is moving to TLS 1.2: What you need to do before the March 1, 2027

https://www.mailgun.com/blog/product/mailgun-smtp-is-moving-to-tls-1-2-what-you-need-to-do-before...
2•asplake•54m ago•0 comments

S.t.a.l.k.e.r. Call of Pripyat in WASM and WebGPU

https://stalker-online.xyz/
2•roman01la•56m ago•0 comments

Microsoft are rejecting your mail

https://www.mythic-beasts.com/blog/2026/11/09/microsoft-are-rejecting-your-mail/
3•birdculture•57m ago•0 comments

JPMorganChase expands Claude Code to more employees across the firm

https://claude.com/resources/articles/jpmorganchase-expands-claude-code
2•geoffbp•57m ago•1 comments

Gostman, the open source API client

https://gostman.com/
1•jicea•1h ago•0 comments

Camoufox for Web Scraping: Setup, Proxies and Servers

https://scrapfly.io/blog/posts/camoufox-for-web-scraping
8•AIWithLucas•1h ago•0 comments

Ask HN: Have you seen any outstanding GitHub repo?

2•skwasimin•1h ago•0 comments

Web Scraping in 2026: Six Insights from Pierluigi of the Web Scraping Club

https://scrapeops.io/blog/web-scraping-insights-from-pierluigi-of-the-web-scraping-club/
12•WesleyGrant782•1h ago•0 comments

Can You Explain a Zipper? Why AI Makes You Feel Smarter Than You Are [video]

https://www.youtube.com/watch?v=tqAangiY0FE
1•ykonstant•1h 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!