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Why do we need boxing and unboxing in C#?

...abaloo. You couldn't write a method that had a single argument that could service a value type and a reference type. That's a violation of polymorphism. So boxing was adopted as a means to coerce a value type into an object. If this wasn't possible, the framework would be littered with methods a...
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?

...is (yes, View Model Locator = View First): public void MyWindowViewModel(IService someService) { } instead of just this: public void MyWindowViewModel() { } by declaring this: DataContext="{Binding MainWindowModel, Source={StaticResource ViewModelLocator}}" Where ViewModelLocator is class, ...
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Representing graphs (data structure) in Python

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Change date of git tag (or GitHub Release based on it)

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mongodb group values by multiple fields

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Setting an object to null vs Dispose()

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Catching error codes in a shell pipe

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What is the difference between Ruby 1.8 and Ruby 1.9

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Reading output of a command into an array in Bash

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How to apply multiple styles in WPF

...StaticResourceExtension using code. Given a style key of type string and a service provider, I can use StaticResourceExtension to retrieve the actual style instance. Here is the syntax: Style currentStyle = new StaticResourceExtension(currentResourceKey).ProvideValue(serviceProvider) as Style; No...