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 Building Resilient Systems on AWS: Learn how to design and implement a resilient, highly available, fault-tolerant infrastructure on AWS.

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    6 Things You Didn’t Know About Firefox OS

    Firefox OS is all over the tech news and for good reason:  Mozilla's finally given web developers the platform that they need to create apps the way they've been creating them for years -- with CSS, HTML, and JavaScript.  Firefox OS has been rapidly improving...

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    Responsive and Infinitely Scalable JS Animations

    Back in late 2012 it was not easy to find open source projects using requestAnimationFrame() - this is the hook that allows Javascript code to synchronize with a web browser's native paint loop. Animations using this method can run at 60 fps and deliver fantastic...

Incredible Demos

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    Vertically Centering with Flexbox

    Vertically centering sibling child contents is a task we've long needed on the web but has always seemed way more difficult than it should be.  We initially used tables to accomplish the task, then moved on to CSS and JavaScript tricks because table layout was horribly...

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    CSS Tooltips

    We all know that you can make shapes with CSS and a single HTML element, as I've covered in my CSS Triangles and CSS Circles posts.  Triangles and circles are fairly simply though, so as CSS advances, we need to stretch the boundaries...

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