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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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Recent Features

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    How to Create a Twitter Card

    One of my favorite social APIs was the Open Graph API adopted by Facebook.  Adding just a few META tags to each page allowed links to my article to be styled and presented the way I wanted them to, giving me a bit of control...

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    JavaScript Promise API

    While synchronous code is easier to follow and debug, async is generally better for performance and flexibility. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready?  Promises are becoming a big part of the JavaScript world...

Incredible Demos

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    Creating the Treehouse Frog Animation

    Before we start, I want to say thank you to David for giving me this awesome opportunity to share this experience with you guys and say that I'm really flattered. I think that CSS animations are really great. When I first learned how CSS...

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    Ana Tudor’s Favorite CodePen Demos

    Cocoon I love canvas, I love interactive demos and I don't think I have ever been more impressed by somebody's work than when I discovered what Tiffany Rayside has created on CodePen. So I had to start off with one of her interactive canvas pens, even though...

Discussion

    Wrap your code in <pre class="{language}"></pre> tags, link to a GitHub gist, JSFiddle fiddle, or CodePen pen to embed!