Hacker News on 12 September 2015

• What Ever Happened to Google Books?
• What I Wish I Knew When Learning Haskell
• Introduction to Monte Carlo Tree Search
• OCaml's 20th Anniversary
• Implementing a JIT Compiled Language with Haskell and LLVM
• GDB Dashboard
• Warming up to Go
• Access Denied to Apple.com
• Concurrency kit – Concurrency primitives and non-blocking data structures in C
• Show HN: Stock recommender system using hedge fund data and machine learning