Hacker News on 21 May 2016

• Reverse Engineering a Mysterious UDP Stream in My Hotel
• “Eat, sleep, code, repeat” is such bullshit
• Blue. No, Yellow
• Apache Guacamole
• Automation Should Be Like Iron Man, Not Ultron
• Top developers can have a life outside coding
• House tells NASA to start planning two Europa missions
• Scratchapixel: Computer Graphics Programming from Scratch
• Uber users with low phone batteries more likely to accept surge pricing
• GHC 8.0.1 is available