![Screenshot of math.pku.edu.cn: A History of Curves and Surfaces in Computer Aided Geometric Design [pdf]](https://hn.urlbox.com/shots/renders/2026/10/18/7563742f-03fb-45e5-bb54-c53f61bfd651.jpg)
First screen, captured .
512 points by zdw | 71 comments
A Mastodon post showing a QR code that resolves to different destinations depending on viewing angle or scanner, using lenticular and adversarial techniques.
746 points by rogerthis | 335 comments
DistroWatch Weekly issue of January 27, 2025, whose site news section reports on Facebook blocking or banning posts that discuss Linux.
![Screenshot of ipaidia.gr: Fabrice Bellard: Biography (2009) [pdf]](https://hn.urlbox.com/shots/renders/2025/12/24/7b6ce608-283e-4193-b480-6158e32ad751.jpg)
344 points by lioeters | 120 comments
A PDF biography of programmer Fabrice Bellard by Andy Gocke and Nick Pizzolato, covering his background and influential software contributions.
![Screenshot of mathcs.holycross.edu: Calculus for Mathematicians, Computer Scientists, and Physicists [pdf]](https://hn.urlbox.com/shots/renders/2025/11/23/e229c1d5-fc4e-4c18-b5f1-458787f9acf1.jpg)
332 points by o4c | 70 comments
A free PDF textbook by Andrew D. Hwang, 'Calculus for Mathematicians, Computer Scientists, and Physicists: An Introduction to Abstract Mathematics'.
3 points by QuantumNomad_ | 0 comments
Globus blog post recounting the history of GridFTP, a protocol for high-speed bulk file transfer used in scientific and grid computing.
593 points by tosh | 126 comments
GitHub repository for F3, an open-source data file format presented at SIGMOD 2026 as a future successor to formats like Parquet.
480 points by prakashqwerty | 148 comments
A CLAUDE.md file in Stanford CS336's assignment repository giving guidelines for AI coding assistants working with students on the course.
412 points by FigurativeVoid | 81 comments
Judyrecords is a free full-text search engine covering over 740 million United States court cases, with an API.