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Convert string to a variable name
...
There is another simple solution found there:
http://www.r-bloggers.com/converting-a-string-to-a-variable-name-on-the-fly-and-vice-versa-in-r/
To convert a string to a variable:
x <- 42
eval(parse(text = "x"))
[1] 42
And the opposite:
x <- 42
deparse(substitute(x))
[...
How does Task become an int?
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Command copy exited with code 4 when building - Visual Studio restart solves it
...iles to be copied over. You can find list of available options at:
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/xcopy.mspx?mfr=true
Another possible issue is that the underlying folder cannot be accessed. If so, trying performing "start xcopy" instead of "xcopy". ...
How to find the installed pandas version
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How to Remove ReadOnly Attribute on File Using PowerShell?
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Closing WebSocket correctly (HTML5, Javascript)
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The current SynchronizationContext may not be used as a TaskScheduler
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Using scanf() in C++ programs is faster than using cin?
...
http://www.quora.com/Is-cin-cout-slower-than-scanf-printf/answer/Aditya-Vishwakarma
Performance of cin/cout can be slow because they need to keep themselves in sync with the underlying C library. This is essential if both C IO and ...
ImportError in importing from sklearn: cannot import name check_build
...d the same issue on Windows. Solved it by installing Numpy+MKL from http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy (there it's recommended to install numpy+mkl before other packages that depend on it) as suggested by this answer.
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Python integer division yields float
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