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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

... a reference to your Model property to attach the PropertyChanged event to it, then you can use a Messaging system such as Prism's EventAggregator or MVVM Light's Messenger. I have a brief overview of messaging systems on my blog, however to summarize it, any object can broadcast a message, and any...
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What is the meaning of single and double underscore before an object name?

... Single Underscore Names, in a class, with a leading underscore are simply to indicate to other programmers that the attribute or method is intended to be private. However, nothing special is done with the name itself. To quote PEP-8: _single_leading_undersc...
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Using Panel or PlaceHolder

... A panel expands to a span (or a div), with it's content within it. A placeholder is just that, a placeholder that's replaced by whatever you put in it. share | i...
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What is the default access modifier in Java? [duplicate]

...ult access modifier for a method or an instance variable if I do not state it explicitly? 13 Answers ...
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Using a piano keyboard as a computer keyboard [closed]

...ing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard strokes. I know nothing at all about MIDI but I would like some guidance on how to convert this signal in...
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Can I use a hash sign (#) for commenting in PHP?

...follow | edited Nov 30 '18 at 13:49 Andy 4,18455 gold badges3030 silver badges5252 bronze badges ...
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Using Git with Visual Studio [closed]

As a long-time Visual SourceSafe user (and hater) I was discussing switching to SVN with a colleague; he suggested using Git instead. Since, apparently, it can be used as peer-to-peer without a central server (we are a 3-developer team). ...
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How dangerous is it to access an array out of bounds?

How dangerous is accessing an array outside of its bounds (in C)? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program ...
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Standard alternative to GCC's ##__VA_ARGS__ trick?

There is a well-known problem with empty args for variadic macros in C99. 10 Answers ...
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If using maven, usually you put log4j.properties under java or resources?

...standard placement" for this. Update: The above answers the question, but its not the best solution. Check out the other answers and the comments on this ... you would probably not shipping your own logging properties with the jar but instead leave it to the client (for example app-server, stage en...