Eric lippert - Amazon Web Services

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Things to note – Caveats, ifs and buts Well, that neatly sums up this example where we highlighted one way to leverage capabilities of CSS media queries. We only used the device width feature, but there are 11 other features for us to explore if we need them. Idea was to introduce you to them so that you can utilize them when the need arises. Key takeaways 1. We have NO JavaScript references in our project whatsoever. 2. CSS Media Queries are well supported in IE9+, Firefox 3.5+ and most versions of Chrome. This app was built using IE10 and verified on Firefox 20.0.1 on Windows 8. 3. We did not investigate any techniques to adapt to different image sizes based on form factor so this implementation has a disadvantage where it’s pulling the same amount of data on all screens which might be a problem for high latency networks like some mobile broadband. This can however be mitigated with some help from the Image source. Twitter supports multiple image sizes and we could use that to fetch different ‘versions’ of the same image. 4. Older browser support: This is a thorny issue and often we simply cannot leave behind folks that are behind on the adoption curve. In such cases, there are JavaScript shims available. One of the popular ones is Respond.js. You can check it out at http://wordpress.org/extend/plugins/respondjs/ 5. The code for Twitter Authentication is not vetted from a security air-tightness point of view. So for a more ‘secure’ way, use ASP.NET’s Twitter Authentication using DotNetOpenAuth and then use LinqToTwitter to query if you want. Conclusion Responsive UI design for the web has got a huge boost with CSS Media Queries Level 3. This article is aimed to serve as a primer to Media queries. Feel free to explore various features that are available and adapt them to serve up the best possible Views for the maximum percentage of your users The source code can be downloaded from our GitHub repository at bit.ly/dncm6-cssmq Suprotim Agarwal, ASP.NET Architecture MVP, is an author and the founder of popular .NET websites like dotnetcurry.com, devcurry.com and the DNC Magazine. You can follow him on twitter @suprotimagarwal 56 | DNCmagazine www.dotnetcurry.com
DNC Magazine www.dotnetcurry.com/magazine 57
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Eric lippert - Amazon Web Services

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