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How to convert a data frame column to numeric type?

... a 1 2 b 2 2 b 2 3 c 3 3 c 3 4 d 4 4 d 4 5 e 5 5 e 5 and let us run: > sapply(d, mode) char fake_char fac char_fac num "character" "character" "numeric" "numeric" "numer...
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Having a private branch of a public repo on GitHub?

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How to switch a user per task or set of tasks?

... 244 With Ansible 1.9 or later Ansible uses the become, become_user, and become_method directives t...
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AngularJS $resource RESTful example

...2 T J 35.4k1010 gold badges6767 silver badges126126 bronze badges answered Nov 7 '12 at 17:42 Ben LeshBen Lesh...
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Argparse optional positional arguments?

... techtonik 16.3k88 gold badges102102 silver badges124124 bronze badges answered Dec 18 '10 at 21:15 Vinay SajipVinay Sajip 80.8k11...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

...mns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it. 7...
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Border in shape xml

...| edited Jun 17 '19 at 12:44 Christian 21k3232 gold badges108108 silver badges183183 bronze badges answe...
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Installing MSBuild 4.0 without Visual Studio 2010

I installed .NET 4.0 and VS 2010 RC on my laptop and MSBuild was automatically installed. I was hoping to build a continuous integration server by just installing the .NET SDK without VS 2010, so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to...
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What does the * * CSS selector do?

... answered Mar 25 '13 at 4:54 hobbshobbs 175k1515 gold badges175175 silver badges260260 bronze badges ...
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How can I display just a portion of an image in HTML/CSS?

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