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invalid context 0x0 under iOS 7.0 and system degradation

...o reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field. In many situations, it's hard for me to take the invalid context 0x0 error messages seriously. I don't know if yo...
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HttpClient.GetAsync(…) never returns when using await/async

Edit: This question looks like it might be the same problem, but has no responses... 6 Answers ...
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What exactly is Spring Framework for? [closed]

... view.render(users); } } Note that the code above doesn't have initialized the variable userLister. What should we do? If I explicitly instantiate the object like this: UserLister userLister = new UserListerDB(); ...I'd couple the view with my implementation of the class that access the...
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What is array to pointer decay?

... It's said that arrays "decay" into pointers. A C++ array declared as int numbers [5] cannot be re-pointed, i.e. you can't say numbers = 0x5a5aff23. More importantly the term decay signifies loss of type and dimension; number...
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What are the advantages of using nullptr?

... conceptually does the same thing for the three pointers (safe pointer initialization): 7 Answers ...
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Abstract class in Java

...ich cannot be instantiated. An abstract class is used by creating an inheriting subclass that can be instantiated. An abstract class does a few things for the inheriting subclass: Define methods which can be used by the inheriting subclass. Define abstract methods which the inheriting subclass m...
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Big O, how do you calculate/approximate it?

Most people with a degree in CS will certainly know what Big O stands for . It helps us to measure how well an algorithm scales. ...
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The transaction manager has disabled its support for remote/network transactions

...etwork MS DTC Access. On the Action menu, click Properties. Click the Security tab and make the following changes: In Security Settings, select the Network DTC Access check box. In Transaction Manager Communication, select the Allow Inbound and Allow Outbound check boxes. ...
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git difftool, open all diff files immediately, not in serial

The default git diff behavior is to open each diff file in serial (wait for previous file to be closed before opening next file). ...
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Can JavaScript connect with MySQL?

Can JavaScript connect with MySQL? If so, how? 18 Answers 18 ...