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HTML5 comes with a set of really awesome APIs. If you combine these APIs with the <canvas> element, you could create a super/modern/awesome Image Uploader. This article shows you how. All these tips work well in Firefox 4. I also describe some alternative ways to make sure it works on Webkit-based browsers. Most of these APIs donât work in IE, but itâs quite easy to use a normal form as a fallback
I'm writing an app that will be mostly UI calling a backend server via AJAX. Very little page loads. So for example, when I create a trip, my JS simply sends a JSON object to Padrino (via a POST) and Padrino saves the trip object (via ActiveRecord) and returns a JSON response. It seems to work but I want to not only clean up the code, but I want to sanitize the submitted values. Here is my POST co
Drag & drop not supported, but you can still upload via this input field: File API & FileReader API not supported XHR2's FormData is not supported XHR2's upload progress isn't supported Upload progress: 0 Drag an image from your desktop on to the drop zone above to see the browser both render the preview, but also upload automatically to this server.
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