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Convert base class to derived class [duplicate]

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoi...
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How to check if an NSDictionary or NSMutableDictionary contains a key?

...follow | edited Feb 18 '13 at 22:56 s4y 44k1212 gold badges6464 silver badges8989 bronze badges ...
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How to make Eclipse behave well in the Windows 7 taskbar?

...e well. But Eclipse doesn't show recently open projects when I right click it. It also doesn't allow to pin some projects inside it. Note that I have the JS version of Eclipse Helios. Which spawns a new and different taskbar icon after loading. ...
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what exactly is device pixel ratio?

...s length. Source: CSS Absolute Lengths This has lots of implications when it comes to web design, such as preparing high-definition image resources and carefully applying different images at different device pixel ratios. You wouldn't want to force a low-end device to download a very high resolutio...
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Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]

...estigating which mocking framework to use for my project and have narrowed it down to JMockit and Mockito . 5 Answers ...
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What do 'lazy' and 'greedy' mean in the context of regular expressions?

...ressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following: <em>Hello World</em> You may think that <.+> (. means any non newline character and + means one or more) would only match the <em> and the </em>...
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Easier way to debug a Windows service

...ows Service Control Manager and then attaching the debugger to the thread? It's kind of cumbersome and I'm wondering if there is a more straightforward approach. ...
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Change app language programmatically in Android

Is it possible to change the language of an app programmatically while still using Android resources? 35 Answers ...
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When to use generic methods and when to use wild-card?

...m OracleDocGenericMethod . I am pretty confused about the comparison when it says when to use wild-card and when to use generic methods. Quoting from the document. ...
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LINQ Contains Case Insensitive

This code is case sensitive, how to make it case insensitive? 11 Answers 11 ...