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What is HTML5 ARIA?

... WAI-ARIA is a spec defining support for accessible web apps. It defines bunch of markup extensions (mostly as attributes on HTML5 elements), which can be used by the web app developer to provide additional information about the semantics of the various elements to assistive techn...
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How to get the screen width and height in iOS?

...he screen, even in split screen mode. When you use split screen mode, your app's window changes. If the code above doesn't give you the information you expect, then like the OP, you're looking at the wrong object. In this case, though, you should look at the window instead of the screen, like this: ...
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Reading ePub format

I am trying to develop an iPhone application to read ePub files. Is there any framework available to develop this? I have no idea about how to read this file format. I tried to parse a sample file with .epub extension using NSXML Parser, but that fails. ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept: ...
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)

I created a Rails application, using Rails 4.1, from scratch and I am facing a strange problem that I am not able to solve. ...
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How many concurrent requests does a single Flask process receive?

I'm building an app with Flask, but I don't know much about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests? ...
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DateTime2 vs DateTime in SQL Server

...ion. datetimeoffset provides time zone support for globally deployed applications. datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage. ...
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Update parent scope variable in AngularJS

I have two controllers, one wrapped within another. Now I know the child scope inherits properties from the parent scope but is there a way to update the parent scope variable? So far I have not come across any obvious solutions. ...
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later

...ompiling as follows: #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000 if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) { // use registerUserNotificationSettings } else { // use registerForRemoteNotificationTypes: } #else // use registerForRemoteNotificationT...
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Is it possible to display inline images from html in an Android TextView?

...ously. If you can add any images you want to display as resources in your application the your ImageGetter implementation becomes a lot simpler. You could get away with something like: private class ImageGetter implements Html.ImageGetter { public Drawable getDrawable(String source) { ...