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dplyr: “Error in n(): function should not be called directly”
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I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a...
How to fix a locale setting warning from Perl?
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
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This answer uses the Manifest-API, which is deprecated as of Scala 2.10. Please see answers b...
How to extract the first two characters of a string in shell scripting?
... expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long is shorter than two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doing...
What is the difference between return and return()?
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answered Apr 10 '14 at 12:54
RemcoGerlichRemcoGerlich
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How to sum up an array of integers in C#
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How to find and turn on USB debugging mode on Nexus 4
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Solution
To see the option for USB debugging mode in Nexus 4 or Android 4.2 or higher OS, do t...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
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Cygwin uses persistent shared memory sections, which can on occasion become corrupted. The sym...
Example for boost shared_mutex (multiple reads/one write)?
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edited Nov 7 '12 at 22:47
user283145
answered Jun 13 '09 at 2:53
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ImportError: numpy.core.multiarray failed to import
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