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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

... Higher order functions can be approximated with linear activation functions using multiple hidden layers. The universal approximation theorem is specific to MLPs with only one hidden layer. – eski ...
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What is the difference between integration and unit tests?

...e the feature is working or not. Feature: To be able to do something In order to do something As someone I want the system to do this thing Scenario: A sample one Given this situation When I do something Then what I get is what I was expecting for No doubt: if the test passes, you ca...
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What's so wrong about using GC.Collect()?

...l) ' Call the Garbage Collector twice. The GC needs to be called twice in order to get the ' Finalizers called - the first time in, it simply makes a list of what is to be finalized, ' the second time in, it actually does the finalizing. Only then will the object do its ' automatic ReleaseComObjec...
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How to increment datetime by custom months in python without using library [duplicate]

...revents the month from overflowing and in the code it doesn't matter which order year and month are calculated. – Dave Webb Nov 9 '10 at 7:02 ...
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How to install plugins to Sublime Text 2 editor?

...is certainly the dumbest thing I've ever heard of. Install an installer in order to install packages. – AndroidDev Dec 31 '14 at 17:53 5 ...
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Xcode 4 says “finished running ” on the targeted device — Nothing happens

... Bingo: I had to do the two steps described in order to run properly on my old iPhone 3G. Thanks MattyG! – Ariel Malka Oct 17 '11 at 10:27 1 ...
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What's a good rate limiting algorithm?

...ING. Next, the rest of the queues: # Continue to the other queues, in order of priority. QRUN: for (my $pri = PRIORITY_HIGH; $pri >= PRIORITY_JUNK; --$pri) { my $queue = $queues->[$pri]; while (scalar(@$queue)) { if ($bucket < 1) { ...
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Does Java SE 8 have Pairs or Tuples?

...e comparable? Should the class be final or not? Should the two elements be ordered? Should it be an interface or a class? Why stop at pairs? Why not triples, quads, or N-tuples? And of course there is the inevitable naming bikeshed for the elements: (a, b) (first, second) (left, right) (car, cdr)...
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Should flux stores, or actions (or both) touch external services?

...can be handled differently.) In my experience, this has a few benefits, in order of importance: Your stores become completely synchronous. This makes your store logic much easier to follow and very easy to test—just instantiate a store with some given state, send it an action, and check to see i...
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How can I convert an Integer to localized month name in Java?

... Apparently in Android 2.2 there is a bug with SimpleDateFormat. In order to use month names you have to define them yourself in your resources: <string-array name="month_names"> <item>January</item> <item>February</item> <item>March</item&g...