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Why do we have to normalize the input for an artificial neural network?

...e/algorithm, but also on the statistical prior for the input and output. What's more, NN is often implemented to solve very difficult problems in a black-box fashion, which means the underlying problem may have a very poor statistical formulation, making it hard to evaluate the impact of normalisa...
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AngularJs: How to check for changes in file input fields?

... other ones around, the data will end up in an ng-model, which is normally what you want. Markup (just make an attribute data-file so the directive can find it) <input data-file id="id_image" name="image" ng-model="my_image_model" type="file"> JS app.directive('file', function...
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If using maven, usually you put log4j.properties under java or resources?

... Wow. Thanks for that. This was just what I needed! – blissfool Jul 17 '15 at 18:25 ...
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Checkbox for nullable boolean

...actual boolean value. This will create a checked checkbox if regardless of what the underlying value. If the nullable has a value, it will always be true. – Siewers Apr 8 '15 at 11:13 ...
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Difference between CouchDB and Couchbase

...al update) - WHICH OF THESE IS CORRECT? PLEASE COMMENT. Features This is what I found to be a list of CouchDB features that are not supported by the Couchbase Server: no RESTful API (only for views, not for CRUD operations) no _changes feed no peer-to-peer replication no CouchApps no Futon (ther...
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Renaming a virtualenv folder without breaking it

...uld not work within the virtualenv. To solve it, I edited the bash header (what is it called?) in the ipython file and then it worked fine. – CoderGuy123 Nov 4 '16 at 20:22 ...
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Redirect to Action in another controller

... what if I want to go from a view in a certain area to action of a controller which is not in any area. Like in MVC5, the LogOff button on top right is in AccountController, which donot reside in any area. And I want to LogOff...
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WPF: ItemsControl with scrollbar (ScrollViewer)

...grow as much as needed, for example a StackPanel, scrolling will not work. What's the parent container? Try setting a fixed height on either the ScrollViewer or the parent, does that help? – Oskar Jun 22 '11 at 6:56 ...
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With Mercurial, how can I “compress” a series of changesets into one before pushing?

... The histedit extension is exactly what you are looking for. hg histedit -o or hg histedit --outgoing will bring up a list of the outgoing changesets. From the list you can Fold 2 or more changesets creating one single changeset Drop changesets removin...
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How to find out which view is focused?

I need to find out if any view is focused inside an Activity and what view it is. How to do this? 6 Answers ...