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HAL “Traditionally, desktop applications discovered hardware by talking directly to the operating system kernel (the kernel maintains the list of devices attached to the system). This is a tedious process and is not exact because sometimes the kernel doesn't know everything about a device. For example, some digital cameras and portable music players show up as just another hard disk in the user interface. Thus, not many user interfaces have been built for hardware discovery.

With HAL, all the interesting information about certain classes of hardware is easily accessible in a well-defined format. When a new device is added to the system, an asynchronous signal is broadcast on the system message bus detailing what kind of device was added.”

The idea behind Ajax *does* revolutionize the web paradigm Topics : asynchronous, future, javascript, ajax, slashdot, comment, web, application

Removing the Submit or Save button is likely to cause users to question whether or not their data was stored Topics : asynchronous, javascript, ajax, web, application

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