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Assign pandas dataframe column dtypes

... Since 0.17, you have to use the explicit conversions: pd.to_datetime, pd.to_timedelta and pd.to_numeric (As mentioned below, no more "magic", convert_objects has been deprecated in 0.17) df = pd.DataFrame({'x': {0: 'a', 1: 'b'}...
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C++ preprocessor __VA_ARGS__ number of arguments

... 90 This is actually compiler dependent, and not supported by any standard. Here however you have a...
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How can I determine whether a 2D Point is within a Polygon?

...ion, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slower than other UIs. After all 3D APIs (OpenGL or Direct3D) also works with floats and modern graphics libraries very often take advantage of GPU ac...
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Append a NumPy array to a NumPy array

... answered Mar 19 '12 at 18:01 endolithendolith 19.6k2424 gold badges107107 silver badges170170 bronze badges ...
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Path to Powershell.exe (v 2.0)

Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder: ...
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Circle line-segment collision detection algorithm?

... 206 Taking E is the starting point of the ray, L is the end point of the ray, C is the cente...
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?

... <modelVersion></modelVersion> of pom.xml is always set to 4.0.0. 4 Answers ...
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Android Studio - local path doesn't exist

After updating Android Studio to 0.2.4 I can't get my project to deploy. There is a complete mismatch of the apk filename. ...
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How to compare two colors for similarity/difference

... answered Jan 26 '12 at 14:20 Liudvikas BukysLiudvikas Bukys 5,27033 gold badges2323 silver badges3636 bronze badges ...
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Code Golf - π day

... In dc: 88 and 93 93 94 96 102 105 129 138 141 chars Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point. 93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases). ...