An anonymous reader writes "As promised, Mozilla today announced the release of Firefox OS Simulator 4.0 with a focus on developers who want to make money in the Firefox Marketplace. You can download the new version now for Windows, Mac, and Linux from Mozilla Add-Ons. First and foremost, the new simulator supports test receipts for paid apps: each app's dashboard features a drop-down menu where you can select a receipt type. Choosing one of these will have the simulator add-on downloading a test receipt from a Marketplace receipt service and reinstalling the app using it. This lets developers test receipt verification with whatever receipts types they may require (valid, invalid, and refunded)."
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James Gosling is probably best known for creating the Java programming language while working at Sun Microsystems. Currently, he is the chief software architect at Liquid Robotics. Among other projects, Liquid Robotics makes the Wave Glider, an autonomous, environmentally powered marine robot. James has agreed to take a little time from the oceangoing robots and answer any questions you have. As usual, ask as many as you'd like, but please, one question per post.
michaelmalak writes "The annual ACM International Collegiate Programming Contest finished up last week for 2013, but for the first time since its inception in the 1970s, no U.S. college placed in the top 10. Through 1989, a U.S. college won first place every year, but there hasn't been one in first place since 1997. The U.S. college that has won most frequently throughout the contest's history, Stanford, hasn't won since 1991. The 2013 top 10 consists entirely of colleges from Eastern Europe, East Asia, and India."