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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

...rate, and even when it wasn't, it was usually clear what to do next): RoT based on improving convergence: When you begin the model building, err on the side of more nodes in the hidden layer. Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still...
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ASP.NET WebApi vs MVC ? [closed]

...care of returning data in particular format like JSON,XML or any other based upon the Accept header in the request and you don't worry about that. MVC only return data in JSON format using JsonResult. 4. In Web API the request are mapped to the actions based on HTTP verbs but in MVC...
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Java string to date conversion

...08; -0800; -08:00 Note that the patterns are case sensitive and that text based patterns of four characters or more represent the full form; otherwise a short or abbreviated form is used if available. So e.g. MMMMM or more is unnecessary. Here are some examples of valid SimpleDateFormat patterns to...
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How do short URLs services work?

...question). They read the path part (here duSk8wK), which maps to their database. In the database, they find a description (sometimes), your name (sometimes) and the real URL. Then they issue a redirect, which is a HTTP 302 response and the target URL in the header. This direct redirect is important...
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Most efficient way to cast List to List

I have a List<SubClass> that I want to treat as a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible. ...
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INotifyPropertyChanged vs. DependencyProperty in ViewModel

...ssed on the thread on which it was created I prefer the POCO approach. A base class for PresentationModel (aka ViewModel) which implements INotifyPropertyChanged interface can be found here: http://compositeextensions.codeplex.com ...
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How to watch for array changes?

...y to be notified when an array is modified using push, pop, shift or index-based assignment? I want something that would fire an event that I could handle. ...
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Copy constructor versus Clone()

...), both of which return T? The latter syntax would allow T to be inferred based upon the argument. – supercat Jul 27 '10 at 17:50 ...
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When to use @QueryParam vs @PathParam

... This is what I do. If there is a scenario to retrieve a record based on id, for example you need to get the details of the employee whose id is 15, then you can have resource with @PathParam. GET /employee/{id} If there is a scenario where you need to get the details of all employees ...
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How do I use IValidatableObject?

...in your table (such as the user who created it). It is required in the database but you step in in the SaveChanges in the context to populate it (eliminating the need for developers to remember to set it explicitly). You would, of course, validate before saving. So you don't mark the "creator" colum...