top 20 hacker news stories for 2026-01-09

Cloudflare CEO on the Italy fines

https://twitter.com/eastdakota/status/2009654937303896492

7 months ago

Anthropic blocks third-party use of Claude Code subscriptions

https://github.com/anomalyco/opencode/issues/7410

7 months ago

“Erdos problem #728 was solved more or less autonomously by AI”

https://mathstodon.xyz/@tao/115855840223258103

7 months ago

Show HN: I made a memory game to teach you to play piano by ear

https://lend-me-your-ears.specr.net

7 months ago

The Vietnam government has banned rooted phones from using any banking app

https://xdaforums.com/t/discussion-the-root-and-mod-hiding-fingerprint-spoofing-keybox-stealing-cat-and-mouse-game.4425939/page-118

7 months ago

Flock Hardcoded the Password for America's Surveillance Infrastructure 53 Times

https://nexanet.ai/blog/53-times-flocksafety-hardcoded-the-password-for-americas-surveillance-infrastructure

7 months ago

Code and Let Live

https://fly.io/blog/code-and-let-live/

7 months ago

Kagi releases alpha version of Orion for Linux

https://help.kagi.com/orion/misc/linux-status.html

7 months ago

How Markdown took over the world

https://www.anildash.com/2026/01/09/how-markdown-took-over-the-world/

7 months ago

Mathematics for Computer Science (2018) [pdf]

https://courses.csail.mit.edu/6.042/spring18/mcs.pdf

7 months ago

London–Calcutta bus service

https://en.wikipedia.org/wiki/London%E2%80%93Calcutta_bus_service

7 months ago

What happened to WebAssembly

https://emnudge.dev/blog/what-happened-to-webassembly/

7 months ago

JavaScript Demos in 140 Characters

https://beta.dwitter.net

7 months ago

Show HN: Scroll Wikipedia like TikTok

https://quack.sdan.io

7 months ago

RTX 5090 and Raspberry Pi: Can it game?

https://scottjg.com/posts/2026-01-08-crappy-computer-showdown/

7 months ago

Start your meetings at 5 minutes past

https://philipotoole.com/start-your-meetings-at-5-minutes-past/

7 months ago

Why I left iNaturalist

https://kueda.net/blog/2026/01/06/why-i-left-inat/

7 months ago

39c3: In-house electronics manufacturing from scratch: How hard can it be? [video]

https://media.ccc.de/v/39c3-in-house-electronics-manufacturing-from-scratch-how-hard-can-it-be

7 months ago

C++ std::move doesn't move anything: A deep dive into Value Categories

https://0xghost.dev/blog/std-move-deep-dive/

7 months ago

SendGrid isn’t emailing about ICE or BLM – it’s a phishing attack

https://fredbenenson.com/blog/2026/01/09/sendgrid-isnt-emailing-you-about-ice-or-blm-its-a-phishing-attack/

7 months ago