Aristotle Pagaltzis has written a very nice and concise XPath intro. Of all the various standards in the XML ecosystem, I like XPath best, most of all because it enables interaction with an XML document or message in a way that matches Postel’s law: It’s a great way to implement code that doesn’t break each time a minor change is made to an XML format. In fact I’d say it’s one the few very good re
grab the unicorn by the horn and ride to a realm of higher knowledge This is a summary of Mark Reinhold's Java 7 update given at Devoxx, with a few comments from myself. Mark described his presentation as a provisional plan and not binding. The changes in Java 7 will come from Sun and others. Among the "Big" changes from Sun (with what looks like a prioritized ordering): Modularization - 294 and p
Edge Master Class 2008 Richard Thaler, Sendhil Mullainathan, Daniel Kahneman Sonoma, CA, July 25-27, 2008 AN EDGE SPECIAL PROJECT A year ago, Edge convened its first "Master Class" in Napa, California, in which psychologist and Nobel Laureate Daniel Kahneman taught a 9-hour course: "A Short Course On Thinking About Thinking". The attendees were a "who's who" of the new global business culture. Thi
Network.com newsNetwork.com offers flexible access to the pay-per-use computing resources of the Sun Grid Compute Utility and its growing catalog of high-performance computing applications. ISVs and software developers can use the Network.com platform to easily build, test, and deploy their on-demand applications to anyone on the Internet. Select an Application Log in to the Sun Grid compute utili
The iPhone, like the Mac, is extremely simple and intuitive to use. Odds are that you’ve never even cracked open the user manual since the way just about everything works is pretty obvious. But its simplicity can be a double-edged sword… there are many small “convenience features” that are often hidden away. If Apple exposed them in a more obvious way, it’d take away from the elegance of the devic
Yesterday I published The Great Ruby Shootout and it quickly gathered a fair deal of attention. It was on the front page of Slashdot, Hacker News, Reddit, and so on. More than 15,000 people came by to read about the results of my comparison between Ruby implementations. Those numbers looked good but something didn’t add up. Ever since I clicked the “Publish” button, I had a very uneasy feeling abo
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