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Why does one hot encoding improve machine learning performance?
...ding is used on a particular data set (a matrix) and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance increase happen?
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Is AsyncTask really conceptually flawed or am I just missing something?
I have investigated this problem for months now, came up with different solutions to it, which I am not happy with since they are all massive hacks. I still cannot believe that a class that flawed in design made it into the framework and no-one is talking about it, so I guess I just must be missing ...
Is it possible to use getters/setters in interface definition?
... TypeScript does not allow use get/set methods(accessors) in interfaces.
For example:
4 Answers
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How to do date/time comparison
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Use the time package to work with time information in Go.
Time instants can be compared using the Before, After, and Equal
methods. The Sub method subtracts two instants, producing a Duration.
The Add method adds a Time and a Duration, producing a Time.
Pl...
How to explore web-based Google Play in another country?
...om, it automatically recognizes my country and allow me to browse the apps for that country. I can change the language through the dropdown in the footer, or I can add &hl=code in the querystring...but that only changes the language...not the store content (the app lists and rankings remain the same...
RabbitMQ message size and types
...he original object
Strings are pretty easy, they have a built in method for converting to and from bytes. If you know it is a string then you know how to convert it back. The best option is to use a markup string like XML, JSON, or YML. This way you can convert objects to Strings and back agai...
or (HTML5)
...ty sure I remember seeing W3C.org state that <menu> should be used for Toolbar menus and listing form control commands.
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How to check if std::map contains a key without doing insert?
The only way I have found to check for duplicates is by inserting and checking the std::pair.second for false , but the problem is that this still inserts something if the key is unused, whereas what I want is a map.contains(key); function.
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How to branch with TortoiseHG
I downloaded TortoiseHg 1.0 for evaluation. For the life of me I can't figure out how to make a branch. It seems to understand branches (e.g. in its repository browser) but I just can't seem to find a way to make a branch. This seems like such a fundamental capability since out of the often toute...
How do you remove a Cookie in a Java Servlet
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The MaxAge of -1 signals that you want the cookie to persist for the duration of the session. You want to set MaxAge to 0 instead.
From the API documentation:
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero val...