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

...r specific messages. So you might broadcast a PlayerScoreHasChangedMessage from one object, and another object can subscribe to listen for those types of messages and update it's PlayerScore property when it hears one. But I don't think this is needed for the system you have described. In an ideal...
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How to create a custom exception type in Java? [duplicate]

... You need to create a class that extends from Exception. It should look like this: public class MyOwnException extends Exception { public MyOwnException () { } public MyOwnException (String message) { super (message); } public MyOwnEx...
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When should one use HTML entities?

...TF-8: The Secret of Character Encoding Wikipedia Special Characters Help From the UTF-8: The Secret of Character Encoding article: Wikipedia is a great case study for an application that originally used ISO-8859-1 but switched to UTF-8 when it became far too cumbersome to support forei...
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)

... connect to local MySQL server through socket '/var/mysql/mysql.sock' (38) from the client? It's the client trying and failing to connect, right? (I think the original question needs editing to clarify that). – msouth Mar 21 '14 at 16:35 ...
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How to get image height and width using java?

... From all I'm reading, this reads the entire image into memory. Which is extreme just to get width and height. – Marc May 17 '15 at 20:07 ...
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Delaying AngularJS route change until model loaded to prevent flicker

...phones: function(Phone, $q) { // see: https://groups.google.com/forum/?fromgroups=#!topic/angular/DGf7yyD4Oc4 var deferred = $q.defer(); Phone.query(function(successData) { deferred.resolve(successData); }, function(errorData) { deferred.reject(); // you coul...
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Key hash for Android-Facebook app

... Here are the steps- Download openssl from Google code (If you have a 64 bit machine you must download openssl-0.9.8e X64 not the latest version) Extract it. create a folder- OpenSSL in C:/ and copy the extracted code here. detect debug.keystore file path. If u d...
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How to redirect from OnActionExecuting in Base Controller?

... If the redirected controller inherit from the same baseController where we override the OnActionExecuting method cause recursive loop. Suppose we redirect it to login action of account controller, then the login action will call OnActionExecuting method and redi...
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How to merge two arrays in JavaScript and de-duplicate items

... @Ygg From the lodash docs. "Returns a new array of unique values, in order, that are present in one or more of the arrays." – Richard Ayotte Aug 2 '13 at 0:42 ...
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How does Activity.finish() work in Android?

... Does it exits immediately or completes the function from which it was called ? The method that called finish() will run to completion. The finish() operation will not even begin until you return control to Android. ...