This is a recap of the top 10 posts on Hacker News on Dec 23, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Flock Exposed Its AI-Powered Cameras to the Internet. We Tracked Ourselves
https://www.404media.co/flock-exposed-its-ai-powered-cameras-to-the-internet-we-tracked-ourselves/
https://news.ycombinator.com/item?id=46355548

Claude Code gets native LSP support
https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md
https://news.ycombinator.com/item?id=46355165

The Illustrated Transformer
https://jalammar.github.io/illustrated-transformer/
https://news.ycombinator.com/item?id=46357675

GLM-4.7: Advancing the Coding Capability
https://z.ai/blog/glm-4.7
https://news.ycombinator.com/item?id=46357287

It's Always TCP_NODELAY
https://brooker.co.za/blog/2024/05/09/nagle.html
https://news.ycombinator.com/item?id=46359120

NIST was 5 μs off UTC after last week's power cut
https://www.jeffgeerling.com/blog/2025/nist-was-5-μs-utc-after-last-weeks-power-cut
https://news.ycombinator.com/item?id=46355949

Scaling LLMs to Larger Codebases
https://blog.kierangill.xyz/oversight-and-guidance
https://news.ycombinator.com/item?id=46354970

Ultrasound Cancer Treatment: Sound Waves Fight Tumors
https://spectrum.ieee.org/ultrasound-cancer-treatment
https://news.ycombinator.com/item?id=46357945

The biggest CRT ever made: Sony's PVM-4300
https://dfarq.homeip.net/the-biggest-crt-ever-made-sonys-pvm-4300/
https://news.ycombinator.com/item?id=46353777

The Garbage Collection Handbook
https://gchandbook.org/index.html
https://news.ycombinator.com/item?id=46357870