Meltdown and Spectre. Bugs in modern computers leak passwords and sensitive data:
How a RESTful API server reacts to requests Learn how to properly design RESTful APIs communication with clients, accounting for request structure, authentication, and caching.
Using pdftabextract to Liberate Tabular Data from PDFs – amazing how much effort is spent chiseling data out of PDFs.
A port of UNIX* Version 7 to the x86 (IA-32) based PC, is now available. Most of the source code is under a Berkeley-style license.