Thursday, July 09, 2009

Video: The Power Of The REPL

I just love the video clip below. In it, jlongster demonstrates how he's able to interactively remotely debug an iPhone app in scheme.

While I'm eager to rig up a hack like this for my G1, I've already had great success embedding REPLs in web apps. SISC Web comes with this functionality built in, and I've used it for everything from debugging and testing a system, to adding new functionality on the fly. There's just something incredibly powerful about being able to manipulate a live system like this. Dangerous, yes, but equally as powerful.

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