I’ve found the following links to be very useful, and want to recognize here the resources that have helped me:
Javasearch.org – Tool for searching the Java API
W3Techs.com – Surveys of the technologies used on the web
Programmable Web – API Directory
OneBusAway – Open source transit API that I used for my senior project at Eastern Washington University
CodeProject – Website with tons of articles, discussion boards, and other features focused towards programmers
Interesting Game Development Articles and Resources:
Extra Credits – YouTube channel with hundreds of videos about the game development industry
Improving Turn-Based Combat – Opinion piece about making turn-based games more fun to play