The Unix reader, or what’s left thereof. (McIlroy’s annotated guide to research Unix). Highly insightful.
Zed manual, by Vaughan Pratt. This old editor macro set features a very orthogonal syntax; modal, but clearer than vi.
Another fast fixed-point sine approximation (2009).
Reservoir sampling, beautifully simple algorithm.
Derek Sivers at The Setup. Old school.
Schluss mit Mephistos Umverteilung!, Sahra Wagenknecht in der FAZ.
Fünf Zeilen. Ein wirklich tägliches Tagebuch, einen Versuch wert.
23,4 Grad, hach.