Troy Miles, aka the Rockncoder, began writing computer games in assembly language for early computers like the Apple II, Commodore C64, and the IBM PC over 35 years ago. Nowadays he writes web & mobile apps for a Southern California based automotive valuation and information company. Troy is fluent in JavaScript, C#, C++, Kotlin, and Clojure. Nights and weekends he can usually be found writing cool apps for mobile and web or teaching others how to do so. Troy has spoken at O'Reilly's Velocity, MobileWeb Dev Con, Mobile Dev+Test, and NG-Vegas. He is a regular speaker at So Cal and Silicon Valley Code Camps and to local developer groups all over southern California and Las Vegas. A few of his talks can be found on his YouTube channel: https://www.youtube.com/user/rockncoder. Troy loves writing about software development. His first magazine article was published in Dr. Dobb's magazine over 22 years ago. He is the author of jQuery Essentials. Troy is now a video author on Lynda.com is working on his first title.