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Why is LINQ JOIN so much faster than linking with WHERE?

I've recently upgraded to VS 2010 and am playing around with LINQ to Dataset. I have a strong typed dataset for Authorization that is in HttpCache of an ASP.NET WebApplication. ...
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What does the X-SourceFiles header do?

... 288 The header is understood by certain debugging modules in IIS / IIS Express. It contains the b...
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vs in Generics

... 218 The out keyword in generics is used to denote that the type T in the interface is covariant. ...
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How to calculate moving average using NumPy?

... ret[n:] - ret[:-n] return ret[n - 1:] / n >>> a = np.arange(20) >>> moving_average(a) array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11., 12., 13., 14., 15., 16., 17., 18.]) >>> moving_average(a, n=4) array([ 1.5, 2.5, 3.5, 4...
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Haskell export current module with additional imported module

... Exploited here. – PyRulez Jan 26 '16 at 18:25 Also, any insight as to why this works? (Any documentation?) ...
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How to use Sphinx's autodoc to document a class's __init__(self) method?

...ose with names like __special__) be documented by autodoc. Since Sphinx 1.2, this option takes arguments which makes it more useful than it was previously. Use automethod: .. autoclass:: MyClass :members: .. automethod:: __init__ This has to be added for every class (cannot be used...
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Installing Java on OS X 10.9 (Mavericks)

... 278 The new Mavericks (10.9) showed me the "Requesting install", but nothing happened. The solut...
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Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?

... 28 The behavior depends on which version your repository has. Subversion 1.5 allows 4 types of mer...
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How can I get all constants of a type by reflection?

... 276 Though it's an old code: private FieldInfo[] GetConstants(System.Type type) { ArrayList c...
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Chaining multiple filter() in Django, is this a bug?

...d in the first paragraph - filter(A, B) is the AND situation ('lennon' AND 2008 in the docs), while filter(A).filter(B) is the OR situation ('lennon' OR 2008). This makes sense when you look at the queries generated in the question - the .filter(A).filter(B) case creates the joins twice, resulting i...