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Help with C# generics error - “The type 'T' must be a non-nullable value type”

...nt required by Nullable<T> itself. In other words, you could try to call: CoalesceMax<string>(...) which wouldn't make sense, as Nullable<string> isn't valid. share | improve th...
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What's the @ in front of a string in C#?

...tring as a verbatim string literal - anything in the string that would normally be interpreted as an escape sequence is ignored. So "C:\\Users\\Rich" is the same as @"C:\Users\Rich" There is one exception: an escape sequence is needed for the double quote. To escape a double quote, you need to put...
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“Application tried to present modally an active controller”?

...trollers instantiated like so: UIViewController* vc1 = [[UIViewController alloc] init]; UIViewController* vc2 = [[UIViewController alloc] init]; UIViewController* vc3 = [[UIViewController alloc] init]; You have added them to a tab bar like this: UITabBarController* tabBarController = [[UITabBarC...
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javascript node.js next()

...low code, where a reference to the next function to execute is given to a callback for it to kick-off when it's done. See, for example, the code samples here: http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/ Let's look at the example you posted: function loadUser(req, ...
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@Transactional(propagation=Propagation.REQUIRED)

... such logical transaction scope can determine rollback-only status individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the same physical transactio...
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How do you decompile a swf file [closed]

I am the maintainer of a site that has allegedly 'lost' the source code to a flash swf file. How do I decompile this source? ...
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Why does integer overflow on x86 with GCC cause an infinite loop?

...efined behavior, it means it. Anything can happen. "Anything" includes "usually integers wrap around, but on occasion weird stuff happens". Yes, on x86 CPUs, integers usually wrap the way you expect. This is one of those exceptions. The compiler assumes you won't cause undefined behavior, and optim...
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How do I upload a file with metadata using a REST web service?

...at I wanted to do. Unfortunately, due to a weird business rule, we have to allow the upload to occur in any order (metadata first or file first). I was wondering if there was a way to combine the two in order to save the headache of dealing with both situations. – Daniel T. ...
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How to add ID property to Html.BeginForm() in asp.net mvc?

... Where does one find the API or documentation for all of the html helpers? For example where do find out what the parameters stand for? – Zapnologica Jul 14 '13 at 9:59 ...
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HTML File Selection Event

... That works fine but be aware of weird IE <11 behavior. It doesn't allow you to change input's value, so most likely you will need a workaround. stackoverflow.com/questions/9011644/… – Oleksandr Tkalenko Mar 13 '16 at 21:53 ...