Dr. Tom Trenka Tutorials

    Tom Trenka is a software developer, expert musician and many other things based in Saint Paul, Minnesota. Former lead of the DojoX project for the Dojo Toolkit and one of the original contributors, he's a Senior Software Developer at Ai Media Group, where he writes complex data analysis applications.

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    Resize an Image Using Canvas, Drag and Drop and the File API

    Recently I was asked to create a user interface that allows someone to upload an image to a server (among other things) so that it could be used in the various web sites my company provides to its clients. Normally this would be an easy task—create a...