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Top Ten Digital Photography Tips (11 tags)
You have a digital camera and have taken the typical shots of family and friends. Now what? Here are ten tips to make your next batch of digital images so impressive that people will ask: "Hey, what type of camera do you have?" Guess what? It's not the camera.

Implementing Mutual Exclusion for AJAX (2 tags)
AJAX programmers who come from the Java world can, or at least should, be concerned with JavaScript's non-support for safely managing data structures in a concurrent fashion. If one thread is changing the DOM while another is reading it, problems are likely. Java developers can attack this with tools from the synchronized keyword and the old Object wait()/release() to the modern java.util.concurrent package introduced in J2SE 5.0. Bruce Wallace addresses the problem by introducing protection for critical blocks of JavaScript code.