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How to set enum to null

... @equiman no need to cast since the type is specified on the left, you are basically duplicating the first part of my answer that is already accepted. – Rodney S. Foley Jul 8 '15 at 22:50 ...
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How to convert IEnumerable to ObservableCollection?

...ble original) { return new ObservableCollection<object>(original.Cast<object>()); } If you're working with generic IEnumerable<T> you can do it this way: public ObservableCollection<T> Convert<T>(IEnumerable<T> original) { return new ObservableCollection...
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capturing self strongly in this block is likely to lead to a retain cycle

...ple of members of self in this block, most likely just to update a slider. Casting self is overkill. Instead, it's better to be explicit and cast only the objects that you truly need inside the block. For example, if it's an instance of UISlider*, say, _timeSlider, just do the following before the b...
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How do you implement a class in C? [closed]

...s the proper class, i.e. RectangleClass *. This means you often have to do casts, but they provide handy macros do help with that, so you can always cast BASECLASS *p to SUBCLASS * using just SUBCLASS(p). – unwind Sep 10 '09 at 8:03 ...
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How different is Objective-C from C++? [closed]

...Objective-C is a more perfect superset of C. In C and Objective-C implicit casting from void* to a struct pointer is allowed. Foo* bar = malloc(sizeof(Foo)); C++ will not compile unless the void pointer is explicitly cast: Foo* bar = (Foo*)malloc(sizeof(Foo)); The relevance of this to every da...
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Pass data to layout that are common to all pages

...u need for the layout, why bother adding it to the ViewBag only to have to cast it back again? Use the model in the layout view, you can still populate the model in OnActionExecuting. Using ViewBag also means you loose type safety in your controller, never a good thing. – Colin...
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Which one will execute faster, if (flag==0) or if (0==flag)?

...caveat: Nawaz did point out the user-defined trap. And I regret my hastily cast upvote on "stupidest question" because it seems that many did not get it right and it gives room for a nice discussion on compiler optimization :) The answer is: What is flag's type? In the case where flag actuall...
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How to use > in an xargs command?

I want to find a bash command that will let me grep every file in a directory and write the output of that grep to a separate file. My guess would have been to do something like this ...
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How do you specify that a class property is an integer?

...r markers foo.someId = 2; foo.someInt = 1; // when assigning, you have to cast to the specific type // NOTE: This is not completely type safe as you can trick the compiler // with something like foo.someId = 1.45 as ID and it won't complain. foo.someId = 2 as ID; foo.someInt = 1 as Int; // you ca...
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How can I install pip on Windows?

... Python 2.7.9+ and 3.4+ Good news! Python 3.4 (released March 2014) and Python 2.7.9 (released December 2014) ship with Pip. This is the best feature of any Python release. It makes the community's wealth of libraries accessible to everyon...