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The server principal is not able to access the database under the current security context in SQL Se

...er Management Studio, everything till login is fine but when I use the command use myDatabase it gives me this error: 9 A...
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Difference between map, applymap and apply methods in Pandas

...rame’s apply method does exactly this: In [116]: frame = DataFrame(np.random.randn(4, 3), columns=list('bde'), index=['Utah', 'Ohio', 'Texas', 'Oregon']) In [117]: frame Out[117]: b d e Utah -0.029638 1.081563 1.280300 Ohio 0.647747 0.831136 -1.549481 Tex...
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How do I print a double value with full precision using cout?

... You can set the precision directly on std::cout and use the std::fixed format specifier. double d = 3.14159265358979; cout.precision(17); cout << "Pi: " << fixed << d << endl; You can #include <limits> to get the maximum precision of a floa...
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How to horizontally center a

...hat does the actual centering. If you are targeting Internet Explorer 8 (and later), it might be better to have this instead: #inner { display: table; margin: 0 auto; } It will make the inner element center horizontally and it works without setting a specific width. Working example here: ...
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M_PI works with math.h but not with cmath in Visual Studio

... Interestingly I checked this on an app of mine and I got the same error. I spent a while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing. So I moved the #define _USE_MATH_DEFINES #include <cmath> to be th...
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Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo

To be honest, I've tried to turn a dirty trick on IIS and just when I thought that I was going to get away with it, I realized my workaround doesn't work. Here's what I've tried to do: ...
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What is the easiest way to duplicate an activerecord record?

... Does this still work in Rails 3.1.0.beta? When I do q = p.clone, and then p == q, I get true back. On the other hand, if I use q = p.dup, I get false back when comparing them. – Juno Woods Feb 8 '11 at 2:10 ...
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Do I need to explicitly call the base virtual destructor?

... This question might be related and help questions/15265106/c-a-missing-vtable-error. – Paul-Sebastian Manole Dec 20 '14 at 20:16 ...
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How to refer to relative paths of resources when working with a code repository

We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)? ...
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Printing object properties in Powershell

When working in the interactive console if I define a new object and assign some property values to it like this: 7 Answers...