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UIActivityViewController crashing on iOS 8 iPads

... Xcode 6 (Beta 6). UIActivityViewController works fine with iPhone devices and simulators but crashes with iPad simulators and devices (iOS 8) with following logs ...
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Nullable type as a generic parameter possible?

... Change the return type to Nullable<T>, and call the method with the non nullable parameter static void Main(string[] args) { int? i = GetValueOrNull<int>(null, string.Empty); } public static Nullable<T> GetValueOrNull<T>(DbDataRecord reader...
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How do I exit a WPF application programmatically?

...n the ShutdownMode is set to OnMainWindowClose. When a user ends a session and the SessionEnding event is either unhandled, or handled without cancellation. Please also note that Application.Current.Shutdown(); may only be called from the thread that created the Application object, i.e. normally t...
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TypeScript typed array usage

... you can also use ... <Thing> [] – danday74 Oct 20 '16 at 10:32 ...
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How can I propagate exceptions between threads?

... Sep 6 '15 at 21:22 Gerardo HernandezGerardo Hernandez 1,4301313 silver badges1919 bronze badges ...
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Why is a combiner needed for reduce method that converts type in java 8

I'm having trouble fully understanding the role that the combiner fulfils in Streams reduce method. 4 Answers ...
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How to empty a list?

...ote that doing lst = [] does not empty the list, just creates a new object and binds it to the variable lst, but the old list will still have the same elements, and effect will be apparent if it had other variable bindings. ...
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Delete newline in Vim

... If you are on the first line, pressing (upper case) J will join that line and the next line together, removing the newline. You can also combine this with a count, so pressing 3J will combine all 3 lines together. share ...
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Convert XML to JSON (and back) using Javascript

How would you convert from XML to JSON and then back to XML? 12 Answers 12 ...
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Difficulty with ng-model, ng-repeat, and inputs

I am trying to allow the user to edit a list of items by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown. ...