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The selected run destination is not valid for this action

... I had that issue several times. Basically, just set the Base SDK in Build Settings to Latest OS X and it should work properly. share | improve this answer ...
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What happens to C# Dictionary lookup if the key does not exist?

... @nawfal: I see no indication that that question states that at all. It says it's doing more work than ContainsKey, which is true, because it has to extract the value as well. It's not doing two lookups though. – Jon Skeet Dec 2 '12 at 17:56 ...
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Java Enum Methods - return opposite direction enum

... method that returns the opposite direction (the following is not syntactically correct, i.e, enums cannot be instantiated, but it illustrates my point). Is this possible in Java? ...
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What is the difference between Session.Abandon() and Session.Clear()

... Clear - Removes all keys and values from the session-state collection. Abandon - removes all the objects stored in a Session. If you do not call the Abandon method explicitly, the server removes these objects and destroys the session when t...
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How to access accelerometer/gyroscope data from Javascript?

...er registering your event listener (in this case, a JavaScript function called handleOrientation()), your listener function periodically gets called with updated orientation data. The orientation event contains four values: DeviceOrientationEvent.absolute DeviceOrientationEvent.al...
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javac option to compile all java files under a given directory recursively

...oject and don't have any proper build tools nearby, you can always use a small trick that javac offers: the classnames to compile can be specified in a file. You simply have to pass the name of the file to javac with the @ prefix. If you can create a list of all the *.java files in your project, it'...
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ASP.NET MVC - Should business logic exist in controllers?

... Business logic should really be in the model. You should be aiming for fat models, skinny controllers. For example, instead of having: public interface IOrderService{ int CalculateTotal(Order order); } I would rather have: public class Ord...
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How to fix 'android.os.NetworkOnMainThreadException'?

...) { this.exception = e; return null; } finally { is.close(); } } protected void onPostExecute(RSSFeed feed) { // TODO: check this.exception // TODO: do something with the feed } } How to execute the task: In MainAct...
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Android preferences onclick event

... Where shall i place this? in my SettingsActivity in onPostCreate wont work because it is too early(Nullpointer-Exception). Any help is appreciated – Wandang Feb 21 '13 at 18:28 ...
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set DateTime to start of month

...le and use that if you are going to use the value repeatedly. There is a small chance of an error in case this code is executed exactly around midnight; the two calls to DateTime.Now may happen on each side of midnight causing possibly odd effects. – Fredrik Mörk ...