Hacker News on 6 January 2019

• Ask HN: How did you decide what problems to solve in your lifetime?
• How to Start Learning Computer Graphics Programming
• Tree Style Tabs
• Facebook Knows How to Track You Using the Dust on Your Camera Lens
• Hacker's guide to Neural Networks (2012)
• Build your own Mint
• Dive into Deep Learning: Berkeley Course
• Show HN: Trilium Notes – Scriptable note-taking application
• Ask HN: How do you keep track of your creative thoughts?
• Would you still pick Elixir in 2019?