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Change string color with NSAttributedString?

...NSForegroundColorAttributeName key, which I had a hard time finding in the Apple docs. – Erik van der Neut May 13 '15 at 10:53 6 ...
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Unique Constraint in Entity Framework Code First

... Unless your app is single-user, I believe a unique constraint is one thing you can't enforce with code alone. You can dramatically reduce the probability of a violation in code (by checking uniqueness prior to calling SaveChanges()), but...
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How to hide soft keyboard on android after clicking outside EditText?

...ded Activity and put this method in, and make all other activities in your application extend this activity and call its setupUI() in the onCreate() method. Hope it helps. If you use more than 1 activity define common id to parent layout like <RelativeLayout android:id="@+id/main_parent"> ....
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Find the extension of a filename in Ruby

I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app. 4 Answ...
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Rails Observer Alternatives for 4.0

... There are problems with this approach. Notably, It doesn't clean up your models; include copies the methods from the module back in to your class. Extracting class methods out to a module may group them by concern, but the class is still just as bloated....
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Draw text in OpenGL ES

... TextView over your SurfaceView. This is slow and bad, but the most direct approach. Render common strings to textures, and simply draw those textures. This is by far the simplest and fastest, but the least flexible. Roll-your-own text rendering code based on a sprite. Probably second best choice if...
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iOS - How to set a UISwitch programmatically

...e a property called "on" that should be set. Are you talking about an iOS app or a mobile web site? share | improve this answer | follow | ...
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Popstate on page's load in Chrome

I am using History API for my web app and have one issue. I do Ajax calls to update some results on the page and use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button i...
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Play sound on button click android

...e logic to play the sound inside the onClick. In summary: import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class BasicScreenAc...
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$watch'ing for data changes in an Angular directive

...gular only checks the reference of the top level variable that you watch. App.directive('d3Visualization', function() { return { restrict: 'E', scope: { val: '=' }, link: function(scope, element, attrs) { scope.$watch('val', function(newVa...