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What is the role of the bias in neural networks? [closed]

... I think that biases are almost always helpful. In effect, a bias value allows you to shift the activation function to the left or right, which may be critical for successful learning. It might help to look at a simple example. Consider this 1-input, 1-output network that has no bias: The ou...
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How to delete shared preferences data from App in Android

...: SharedPreferences.Editor.remove() followed by a commit() To remove them all SharedPreferences.Editor.clear() followed by a commit() If you don't care about the return value and you're using this from your application's main thread, consider using apply() instead. ...
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The JPA hashCode() / equals() dilemma

...als() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way). ...
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When should I use the “strictfp” keyword in java?

I've looked up what this does, but does anyone actually have an example of when you would use the strictfp keyword in Java? Has anyone actually found a use for this? ...
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Convert a Python list with strings all to lowercase or uppercase

...ariable that contains strings. Is there a python function that can convert all the strings in one pass to lowercase and vice versa, uppercase? ...
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What does “Changes not staged for commit” mean

...epository, you have to git add it again if you want it to be staged. This allows you to commit only a subset of the changes you made since the last commit. For example, let's say you have file a, file b and file c. You modify file a and file b but the changes are very different in nature and you do...
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Waiting on a list of Future

...//4 tasks for(int i = 0; i < 4; i++) { completionService.submit(new Callable<SomeResult>() { public SomeResult call() { ... return result; } }); } int received = 0; boolean errors = false; while(received < 4 && !errors) { Future&l...
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The Definitive C++ Book Guide and List

...tour” is a quick (about 180 pages and 14 chapters) tutorial overview of all of standard C++ (language and standard library, and using C++11) at a moderately high level for people who already know C++ or at least are experienced programmers. This book is an extended version of the material that con...
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Can I change all my http:// links to just //?

... I tested it thoroughly before publishing. Of all the browsers available to test against on Browsershots, I could only find one that did not handle the protocol relative URL correctly: an obscure *nix browser called Dillo. There are two drawbacks I've received feedback ...
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Xcode “The private key for is not installed on this mac - distributing”

...list of signing identities. Go back to the developer website and make sure all your provisioning profiles are configured with the new certificate. (They should all be listed as Active when you are done.) Go back to XCode and refresh your list of provisioning profiles. I had the same issue as you d...