Anything and everything regarding developing for the web, the desktop or the mobile that is already happening everywhere.
Front end static web page technologies.
Talk about the most popular web programming language, PHP. It's for the beginner and it's for the advanced. You can write either disastrous code or insanely good ones by it.
Topics about JavaScript, the web client scripting language go around this board. JavaScript is old yet new. It should be the blessing of end user experience.
Forum board dedicated to the Go programming language by Google. While it's meant as a systems language, Go would be an ideal candidate for web development as well.
Developing for mobile devices such as phones, tablets, etc.