Sometimes the InvalidBitMapData error is really masking something else. This error can occur with Firefox and IE7/8 by doing page refreshes. Here’s one way to work around it.

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ActionScript’s LoaderInfo object is missing a lot of information if an error occurs. This presents a real housekeeping problem if multiple loads are done. Here’s a technique that makes sure nothing falls through the cracks.

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Flash’s ubiquity is in its presence on the vast majority of PC desktops, laptops and netbooks. It is also in a surprising, and growing, percentage of mobile devices. Software developers who want to tap this rapidly expanding market face many challenges that have not existed in the PC world for quite some time. Here is a book that is virtually encyclopedic in its review of the pitfalls and dangers for mobile development and how they can be avoided, even for the iPhone. It provides rich information detail on how to address mobile software development now, along with a preview of how it can be done easier when what is in the oven finishes baking.

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Adobe’s ActionScript 3 has many things in common with regular compiled languages, with a specialized focus on the Flash player and engine. Here’s a good desk reference to avoid drowning in the online help that often times is a hindrance for here and now how to use it information.

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If digital image manipulation is like painting, then this book by Todd Yard is like listening to a painter describe a desired artistic effect, using Actionscript as a set of brushes, the classes as a palette, and Flash as the canvas.
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Rich Internet Applications, aka RIAs, are encountering some interesting problems that seem new to a lot of developers. Like many other things, these are really old problems that were solved a long time ago.

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Foundation ActionScript 3.0 for Flash and Flex, by Darren Richardson with Paul Milbourne, by Apress (Springer), also available at Amazon. ISBN-13: 978-1-4302-1918-7.

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