Hacker News on 12 April 2020

• Ask HN: Programs that saved you 100 hours?
• Nasty macOS flaw is bricking MacBooks: Don't install this update
• How to Speak (2018) [video]
• Bored? How about trying a Linux speed run?
• Writing a SQL database from scratch in Go
• Enemy AI: chasing a player without Navigation2D or A* pathfinding
• New nuclear reactor designs promise safe, clean electricity
• China clamping down on coronavirus research, deleted pages suggest
• Social distancing is bringing drive-in theaters back to life
• Foxconn’s buildings in Wisconsin are still empty, one year later