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How can the Euclidean distance be calculated with NumPy?
...ou can find the theory behind this in Introduction to Data Mining
This works because Euclidean distance is l2 norm and the default value of ord parameter in numpy.linalg.norm is 2.
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How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
How do I execute any command editing its file (argument) “in place” using bash?
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danielsdaniels
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Converting Integer to String with comma for thousands
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Eng.FouadEng.Fouad
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How to import JsonConvert in C# application?
...Newtonsoft.Json, not System.ServiceModel.Web
Use NuGet to download the package
"Project" -> "Manage NuGet packages" -> "Search for "newtonsoft json". -> click "install".
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How do I remove lines between ListViews on Android?
I'm using two ListView s like this:
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Which annotation should I use: @IdClass or @EmbeddedId
...stence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
7 Answers
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What is the point of “final class” in Java?
I am reading a book about Java and it says that you can declare the whole class as final . I cannot think of anything where I'd use this.
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How can I check MySQL engine type for a specific table?
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GregGreg
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What does a colon following a C++ constructor name do? [duplicate]
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This means that the constructor can be called with no parameters. This makes it a default constructor, i.e., one which will be called by default when you write MyClass someObject;.
The part : m_classID(-1), m_userdata(0) is called initialization list. It is a way to initialize some fields of you...