Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on Sep 22, 2025.

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

• (00:00) - Intro
• (00:18) - Sj.h: A tiny little JSON parsing library in ~150 lines of C99
• (01:24) - How I, a beginner developer, read the tutorial you, a developer, wrote for me
• (02:29) - DXGI debugging: Microsoft put me on a list
• (03:39) - Why your outdoorsy friend suddenly has a gummy bear power bank
• (04:44) - Download responsibly
• (05:50) - You did this with an AI and you do not understand what you're doing here
• (07:02) - 40k-Year-Old Symbols in Caves Worldwide May Be the Earliest Written Language
• (08:13) - Why is Venus hell and Earth an Eden?
• (09:30) - DSM Disorders Disappear in Statistical Clustering of Psychiatric Symptoms (2024)
• (10:50) - Outro

Sj.h: A tiny little JSON parsing library in ~150 lines of C99
https://github.com/rxi/sj.h
https://news.ycombinator.com/item?id=45324349

How I, a beginner developer, read the tutorial you, a developer, wrote for me
https://anniemueller.com/posts/how-i-a-non-developer-read-the-tutorial-you-a-developer-wrote-for-me-a-beginner
https://news.ycombinator.com/item?id=45328247

DXGI debugging: Microsoft put me on a list
https://slugcat.systems/post/25-09-21-dxgi-debugging-microsoft-put-me-on-a-list/
https://news.ycombinator.com/item?id=45323207

Why your outdoorsy friend suddenly has a gummy bear power bank
https://www.theverge.com/tech/781387/backpacking-ultralight-haribo-power-bank
https://news.ycombinator.com/item?id=45322135

Download responsibly
https://blog.geofabrik.de/index.php/2025/09/10/download-responsibly/
https://news.ycombinator.com/item?id=45329414

You did this with an AI and you do not understand what you're doing here
https://hackerone.com/reports/3340109
https://news.ycombinator.com/item?id=45330378

Privacy and Security Risks in the eSIM Ecosystem [pdf]
https://www.usenix.org/system/files/usenixsecurity25-motallebighomi.pdf
https://news.ycombinator.com/item?id=45329127

40k-Year-Old Symbols in Caves Worldwide May Be the Earliest Written Language
https://www.openculture.com/2025/09/40000-year-old-symbols-found-in-caves-worldwide-may-be-the-earliest-written-language.html
https://news.ycombinator.com/item?id=45286622

Why is Venus hell and Earth an Eden?
https://www.quantamagazine.org/why-is-venus-hell-and-earth-an-eden-20250915/
https://news.ycombinator.com/item?id=45327417

DSM Disorders Disappear in Statistical Clustering of Psychiatric Symptoms (2024)
https://www.psychiatrymargins.com/p/traditional-dsm-disorders-dissolve?r=2wyot6&triedRedirect=true
https://news.ycombinator.com/item?id=45328537