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WPF Data Binding and Validation Rules Best Practices

...plex.com), which includes a demo of best practices validation in WPF+MVVM, and uses IDataErrorInfo – Mark Heath Sep 4 '09 at 6:37 3 ...
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C# Passing Function as Argument [duplicate]

...s mentioned above works but there are also delegates that do the same task and also define intent within the naming: public delegate double MyFunction(double x); public double Diff(double x, MyFunction f) { double h = 0.0000001; return (f(x + h) - f(x)) / h; } public double MyFunctionMet...
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Is there a unique Android device ID?

Do Android devices have a unique ID, and if so, what is a simple way to access it using Java? 52 Answers ...
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Does using final for variables in Java improve garbage collection?

Today my colleagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection. ...
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What is the difference between NaN and None?

I am reading two columns of a csv file using pandas readcsv() and then assigning the values to a dictionary. The columns contain strings of numbers and letters. Occasionally there are cases where a cell is empty. In my opinion, the value read to that dictionary entry should be None but instead ...
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MVC 3: How to render a view without its layout page when loaded via ajax?

I am learning about Progressive Enhancement and I have a question about AJAXifying views. In my MVC 3 project I have a layout page, a viewstart page, and two plain views. ...
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What happens if a Android Service is started multiple times?

... in one instance. However, everytime you start the service, the onStartCommand() method is called. This is documented here share | improve this answer | follow ...
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Trigger a Travis-CI rebuild without pushing a commit?

... I have found and used that in other cases. But I could have sworn I had a case where it had Errored for the reason I described above, and the gear menu lacked that option. Perhaps that was a one-time fluke, or perhaps I was mistaken. Anyw...
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Ways to synchronize interface and implementation comments in C# [closed]

Are there automatic ways to sync comments between an interface and its implementation? I'm currently documenting them both and wouldn't like to manually keep them in sync. ...
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Typedef function pointer?

I'm learning how to dynamically load DLL's but what I don't understand is this line 6 Answers ...