Hacker News on 25 March 2013

• How Google Sliced Away Our Knife Ads
• Learning JavaScript - my experience and advice
• Can We Stop Drawing Trees on Top of Skyscrapers?
• ‘Functional Programming Principles in Scala’ starts today
• An idea for non-technical co-founders: try a service-first business
• Firefox getting smarter about third-party cookies
• Arch Linux: MariaDB replaces MySQL in repositories
• Show HN: Framebase.io, Video for Developers
• Ask HN: Have you ever been sued by your startup?
• Tsuru - open source platform as a service (written in Go)