Hacker News on 2 May 2020

• Medium-hard SQL interview questions
• Awk in 20 Minutes (2015)
• How to sell a B2B product
• Ubuntu 20.04 LTS’ snap obsession has snapped me off of it
• I shipped a word processor that formatted the hard drive every 1024 saves
• Pricing Your Product
• Building a patient monitoring system with Go and Vue in 3 days
• My First Year as a Freelance AI Engineer
• What Happens Next? Covid-19 Futures, Explained with Playable Simulations
• Why does `True == False is False` evaluate to False in Python? (2013)