What is Applied Category Theory?, by Tai-Danae Bradley.

Patterns That Eventually Fail, by John Baez.

Macaroons: Cookies with Contextual Caveats for Decentralized Authorization in the Cloud (2014), by Arnar Birgisson, Joe Gibbs Politz, Úlfar Erlingsson, Ankur Taly, Michael Vrable, and Mark Lentczner.

Import/Export as a fast way to purge files from Git?, and caveats to this approach. Good list.

Upgrading GitHub from Rails 3.2 to 5.2

Two bits per transistor: high-density ROM in Intel’s 8087 floating point chip, by Ken Shirriff: The 8087 floating point chip used an interesting two-bit-per-cell structure to fit the microcode onto the chip.

MS-DOS v1.25 and v2.0 Source Code, now MIT-licensed.