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How to add an extra column to a NumPy array

...p.random.rand(N,N) b = np.zeros((N,N+1)) b[:,:-1] = a And timings: In [23]: N = 10 In [24]: a = np.random.rand(N,N) In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0],1)))) 10000 loops, best of 3: 19.6 us per loop In [27]: %timeit b = np.zeros((a.shape[0],a.shape[1]+1)); b[:,:-1] = a 10000...
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What does placing a @ in front of a C# variable name do? [duplicate]

... answered Oct 31 '08 at 19:34 ripper234ripper234 193k245245 gold badges588588 silver badges866866 bronze badges ...
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How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?

I have an old ASP.NET MVC 2 project which I do not want to upgrade to MVC 3 or MVC 4. I am working on a new machine running Windows 8, Visual Studio 2012 and Visual Studio 2013. When I try to open the MVC 2 project in VS 2012 or VS 2013 I receive the error: ...
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Cloning” row or column vectors

... 83 Here's an elegant, Pythonic way to do it: >>> array([[1,2,3],]*3) array([[1, 2, 3], ...
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How to execute an .SQL script file using c#

... kame 15.2k2727 gold badges9191 silver badges139139 bronze badges answered Nov 13 '09 at 12:12 surajit khamrai surajit khamrai ...
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Mercurial .hgignore for Visual Studio 2008 projects

... edited May 21 '10 at 18:23 answered Apr 13 '09 at 15:54 Ev...
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How can you iterate over the elements of an std::tuple?

... | edited Feb 13 '12 at 18:51 ildjarn 58.9k88 gold badges113113 silver badges199199 bronze badges ...
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how to reference a YAML “setting” from elsewhere in the same YAML file?

... 130 I don't think it is possible. You can reuse "node" but not part of it. bill-to: &id001 ...
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Java 8 Lambda function that throws exception?

... | edited Mar 23 '19 at 16:31 Simeon Leyzerzon 16.6k66 gold badges4141 silver badges6464 bronze badges ...
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How to Deserialize XML document

... 363 Here's a working version. I changed the XmlElementAttribute labels to XmlElement because in t...