Hacker News on 19 April 2017

• Ask HN: Best business advice for software developers
• Google plans ad-blocking feature in Chrome browser
• Whistleblower uncovers London police hacking of journalists and protestors
• CodeStar – Quickly Develop, Build, and Deploy Applications on AWS
• Vanguard Is Growing Faster Than Everybody Else Combined
• What programming languages are used late at night?
• Python plays Grand Theft Auto V
• A look at my BBS Software from '93
• Pattern Matching for Java
• Hard-won lessons: Five years with Node.js