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Using a dispatch_once singleton model in Swift

I'm trying to work out an appropriate singleton model for usage in Swift. So far, I've been able to get a non-thread safe model working as: ...
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Unable to open project… cannot be opened because the project file cannot be parsed

I have been working for a while to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out... ...
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How do I list all loaded assemblies?

In .Net, I would like to enumerate all loaded assemblies over all AppDomains. Doing it for my program's AppDomain is easy enough AppDomain.CurrentDomain.GetAssemblies() . Do I need to somehow access every AppDomain? Or is there already a tool that does this? ...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... it doesn't call onSaveInstanceState - why would it ? So, this approach doesn't work. – midnight Dec 29 '12 at 9:34 10 ...
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Multiple HttpPost method in Web API controller

... add like this it gives me an error ------------ namespace ImageDownloadApplication.Controllers { public class FrontModel { public string skus { get; set; } } [ActionName("ProductController")] public class ProductController : ApiController { // GET: api/Ne...
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Gesture recognizer and button actions

...condition that will return NO if the touch is in the button. This is from apple SimpleGestureRecognizers example. - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch { // Disallow recognition of tap gestures in the segmented control. if ...
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What in the world are Spring beans?

... The objects that form the backbone of your application and that are managed by the Spring IoC* container are called beans. A bean is an object that is instantiated, assembled, and otherwise managed by a Spring IoC container. These beans are created with the conf...
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)

...the background or border colour.. just as long as the user knows that your app is actually doing something. – nickf May 21 '09 at 7:58 ...
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Why is a boolean 1 byte and not 1 bit of size?

... I said earlier, I'm hard pressed to think of the last time I worked on an application where those conditions applied, but you give a couple of good examples, and I'm sure with a little imagination one could think of others. – Jay Jun 2 at 15:14 ...
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Java - Method name collision in interface implementation

...d ? I cannot even expect client code to be able to cast my instance to the appropriate interface , so am I not loosing something by this restriction ? Also note that in this way , when writing classes that actually implement the respective interfaces , we loose the benefit of having the code into a ...