Hacker News on 29 February 2020

• A half-hour to learn Rust
• A two-person startup already uses twenty-eight other tools
• Draft of the Fast.ai Book
• My Covid-19 Story in Brooklyn
• 2020 Leap Day Bugs
• GDC 2020 has been postponed
• 64 bit OS Raspberry Pi4 Benchmarks
• Flutter and Dart, or how to quickly build a mobile app without losing your hair
• A mysterious bug in the firmware of Google's Titan M chip
• Show HN: Edtr.io – Intuitive web editor, open source and fully adaptable