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Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity

... not reproduce in the "Roslyn" version of the semantic analyzer. I've informed the C# 5 test team, and hopefully we can get this investigated and resolved before the final release. (As always, no promises.) A correct analysis follows. The candidates are: 0: C(params string[]) in its normal form 1:...
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What is ViewModel in MVC?

...and dropdown lists) that can be added to the database (or edited). It is something different than your domain model. It is a model for the view. Let us say that you have an Employee class that represents your employee domain model and it contains the following properties (unique identifier, first n...
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Best Practices for securing a REST API / web service [closed]

...s for dealing with security (Authentication, Authorization, Identity Management) ? 18 Answers ...
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Why .NET String is immutable? [duplicate]

...e fact that aliasing can't produce changes (if x and y both refer to the same object a change to x entails a change to y) allows for considerable compiler optimisations. Memory-saving optimisations are also possible. Interning and atomising being the most obvious examples, though we can do other ver...
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Output array to CSV in Ruby

...h to read a CSV file into an array with Ruby but I can't find any good documentation on how to write an array into a CSV file. Can anyone tell me how to do this? ...
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Why can't variables be declared in a switch statement?

...this - why can't you declare variables after a case label in a switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is obviously a good thing) but the following still won't work: ...
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Show an image preview before upload

... HTML5 comes with File API spec, which allows you to create applications that let the user interact with files locally; That means you can load files and render them in the browser without actually having to upload the files. Part of ...
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Can you resolve an angularjs promise before you return it?

I am trying to write a function that returns a promise. But there are times when the information requested is available immediately. I want to wrap it in a promise so that the consumer doesn't need to make a decision. ...
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Is there any way in C# to override a class method with an extension method?

There have been occasions where I would want to override a method in a class with an extension method. Is there any way to do that in C#? ...
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What is an MvcHtmlString and when should I use it?

The documentation for MvcHtmlString is not terribly enlightening: 4 Answers 4 ...