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Client-server synchronization pattern / algorithm?

... You should look at how distributed change management works. Look at SVN, CVS and other repositories that manage deltas work. You have several use cases. Synchronize changes. Your change-log (or delta history) approach looks good for this. Clients send their deltas to...
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C++ lambda with captures as a function pointer

...st workaround (that essentially discards the statefulness) is to provide some type of global variable which is accessed from your lambda/function. For example, you could make a traditional functor object and give it a static member function which refers to some unique (global/static) instance. But ...
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

...can prevent convergence. Think of it this way, additional nodes provides some excess capacity--additional weights to store/release signal to the network during iteration (training, or model building). Second, if you begin with additional nodes in your hidden layer, then it's easy to prune them later...
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Transitioning from Windows Forms to WPF

For a long time now, I have been stuck with Windows Forms development (started with VB6, and has continued through to C# .NET 4.5), and I have pretty much hit the limit of what Windows Forms can do, both using pure .NET, and special effects with Native Code. ...
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What are the best practices for catching and re-throwing exceptions?

... You should not be catching the exception unless you intend to do something meaningful. "Something meaningful" might be one of these: Handling the exception The most obvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation: try {...
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Draw in Canvas by finger, Android

...ld call invalidate() to refresh the view. To choose options you can click menu and choose the options. The below can be used as a reference. You can modify the below according to your needs. public class FingerPaintActivity extends Activity implements ColorPickerDialog.OnColorChangedListe...
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Should I pass a shared_ptr by reference? [duplicate]

...only reason not to always pass by value is that copying a shared pointer comes at a certain price on account of the atomic reference count update; however, this might not be a major concern. Optional digression: Since the main question has been answered, perhaps it is instructive to consider a f...
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Pointer expressions: *ptr++, *++ptr and ++*ptr

Recently I have come across this problem which I am unable to understand by myself. 10 Answers ...
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What's the difference between equal?, eql?, ===, and ==?

I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object. ...
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Is it possible to implement dynamic getters/setters in JavaScript?

I am aware of how to create getters and setters for properties whose names one already knows, by doing something like this: ...