Hacker News on 5 October 2017

• PostgreSQL 10 Released
• A Pre-History of Slashdot
• Mathematical games interesting to both you and a five-year-old child
• If macOS High Sierra shows your password instead of the password hint
• Colony: A platform for open organizations
• Japanese Vending Machines at Night Juxtaposed with a Wintry Hokkaido Landscape
• URL to PDF Microservice
• Modern B-Tree Techniques (2011)
• I was in the MAPS MDMA for PTSD study
• Best CPUs for Workstations: 2017