大约有 41,300 项符合查询结果(耗时:0.1040秒) [XML]

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Error inflating when extending a class

... 369 I think I figured out why this wasn't working. I was only providing a constructor for the case...
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What is an intuitive explanation of the Expectation Maximization technique? [closed]

... characterise each group. For example, the mean of the red group is around 3, the mean of the blue group is around 7 (and we could find the exact means if we wanted). This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parame...
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Comet implementation for ASP.NET? [closed]

... swilliams 43.4k2323 gold badges9393 silver badges129129 bronze badges answered Sep 16 '08 at 4:08 Scott Hanselma...
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Sort objects in an array alphabetically on one property of the array

... 13 Answers 13 Active ...
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?

... ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for a list of objects that needs to be iterated through and modified, List<> for a list of objects that needs to be iterated through, modified, sorted, etc (See here for a full list: http://msdn.microsoft.com/en...
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How to strip all non-alphabetic characters from string in SQL Server?

... 367 Try this function: Create Function [dbo].[RemoveNonAlphaCharacters](@Temp VarChar(1000)) Retu...
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OO Design in Rails: Where to put stuff

... 384 Because Rails provides structure in terms of MVC, it's natural to end up using only the model,...
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Converting DateTime format using razor

... | edited Dec 28 '12 at 13:55 dasdom 13.4k22 gold badges3939 silver badges5353 bronze badges answered J...
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How to convert a char array to a string?

... 375 The string class has a constructor that takes a NULL-terminated C-string: char arr[ ] = "This...
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SQL SELECT speed int vs varchar

...cupy between 2 and 8 bytes, with 4 being usually more than enough ( -2147483648 to +2147483647 ) character types occupy 4 bytes plus the actual strings. share | improve this answer | ...