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ASP.NET Web API OperationCanceledException when browser cancels the request

...a user loads a page, it makes one or more ajax requests, which hit ASP.NET Web API 2 controllers. If the user navigates to another page, before these ajax requests complete, the requests are canceled by the browser. Our ELMAH HttpModule then logs two errors for each canceled request: ...
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Difference between numpy.array shape (R, 1) and (R,)

... since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of course, the same issue also occurs column-wise). We will get matrices are not aligned error since M[:,0] is in shape (R,) but nu...
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How to tell if UIViewController's view is visible

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When should I use nil and NULL in Objective-C?

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Gradients in Internet Explorer 9

Does anyone know the vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters? ...
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How to convert Set to String[]?

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Difference between break and continue statement

Can anyone tell me the difference between break and continue statements? 21 Answers ...
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What is the C# Using block and why should I use it? [duplicate]

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How to write a scalable Tcp/Ip based server

...but rather a client connects and stays connected for hours or days or even weeks). 18 Answers ...
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How can I programmatically determine if my app is running in the iphone simulator?

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