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What is the AppDelegate for and how do I know when to use it?

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Bootstrap 3 breakpoints and media queries

...s/#grid-less Here's a tutorial on how to use Bootstrap 3 and LESS: http://www.helloerik.com/bootstrap-3-less-workflow-tutorial share | improve this answer | follow ...
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What is the best way to create constants in Objective-C

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How to capture the “virtual keyboard show/hide” event in Android?

... handle configuration changes yourself. http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange Sample: // from the link above @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); // Checks w...
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Extract elements of list at odd positions

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Overlaying histograms with ggplot2 in R

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How do you switch pages in Xamarin.Forms?

...selPage, that allows for switching left and right to next/prev pages. On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one. At the very end, if you want to make sure the user can't get back to the previous page (using a gesture or the back...
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What is a Proxy in Doctrine 2?

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How can I debug javascript on Android?

...bugging, we are able to make use of all the goodness of the Chrome for Desktop Developer Tools on Android. Check out https://developers.google.com/chrome-developer-tools/docs/remote-debugging for more information. Update: JavaScript Console You can also navigate to about:debug in the URL bar to ...
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Why CancellationToken is separate from CancellationTokenSource?

...ar. I believe that the Cancellation Framework Design in TPL is absolutely top notch. share | improve this answer | follow | ...