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dompdf is an HTML to PDF converter . At its heart, dompdf is (mostly) CSS 2.1 compliant HTML layout and rendering engine written in PHP . It is a style-driven renderer: it will download and read external stylesheets, inline style tags, and the style attributes of individual HTML elements. It also supports most presentational HTML attributes .
For the first time this year, WordCamp San Francisco conference badges will include your gravatar. Adding photos to conference badges is nothing new, however bringing your online gravatar into the offline world is a fairly exciting move. I’d like to share how I created the PHP script to generate the badges. I hope people can re-use the script for future WordCamps, or even any other conferences. If you want to skip the tutorial and just download the script, here it is .
Performing GET and POST requests using Ajax Last updated: Sept 19th, 2009 Ajax, the catchy buzz word that ushered in the Web 2.0 era, basically describes two things once you strip away all the fluff: performing " GET " and " POST " requests asynchronously. Instead of using a FORM and requiring the user to explicitly submit it to transmit information back to the server, Ajax lets you perform such requests seamlessly at any time, using data that don't necessarily come from form elements, then get the result back without refreshing the page. Ok, that's a mouthful, but again, it all boils down to just two things- performing " GET " and " POST " requests and doing so asynchronously. A typical GET request