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This video excerpt is from Colin Moock's Lost ActionScript 3.0 Weekend Course 2. In Course 2 of this unique DVD training series, you'll learn intermediate to advanced ActionScript 3.0 programming concepts. World-renowned ActionScript guru and educator Colin Moock presents...
In my previous article I detailed the architecture for a video player that would switch between multiple players, using composition to support the same interface across each layer of the architecture. The architecture worked out really well, but when I...
In this video excerpt from Lost ActionScript 3.0 Weekend, learn to refer to a single object from multiple parts of a program, then study the principles of memory management in ActionScript. Remember, values are not socks!

Using Flex Builder 3's built in profiler is great but sometimes you need to do your profiling on a live site. What if you are still developing and need to debug at the same time as you profile? For a long time having a FPS counter (something not available in the Flex Builder's profiler) has always been part of my personal Flash development toolkit. Recently I was looking for something that would display FPS and Memory to help me closely monitor the performance of my application as I developed. That is when I came across Hi-ReS! Stats by Mr Doob.

When building applications, in most situations you'll be dealing with all sorts of dynamic content. Meaning, requesting data from a server, then displaying results on the screen by attaching objects to the display list. Usually, this means dealing with some...
performanceComparison.jpg
The responsiveness and performance of a Flex application directly relates to what is being displayed onscreen. The more that is happening, the slower the application will respond. In most cases, you won't run into this scenario. If you are dynamically adding LOTS of UIComponents, then this tip will help you create applications that perform very well under heavy load.

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