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How to add a default include path for GCC in Linux?

... C++ header files). As Ciro mentioned, CPATH will set the path for both C and C++ (and any other language). More details in GCC's documentation. share | improve this answer | ...
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output

...ies, levels=c(levels(iris$Species), "empty_level")) # Species is a factor and empty groups are included in the output iris %>% group_by(Species, .drop=FALSE) %>% tally #> Species n #> 1 setosa 50 #> 2 versicolor 50 #> 3 virginica 50 #> 4 empty_level ...
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Why does visual studio 2012 not find my tests?

...show up. Finally did a Clean Then they showed up. I find Clean Solution and Clean to be quite useful at getting the solutions to play ball when setting have changed. Sometimes I have to go to the extreme and delete the obj and bin directories and do a rebuild. ...
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How to apply an XSLT Stylesheet in C#

I want to apply an XSLT Stylesheet to an XML Document using C# and write the output to a File. 4 Answers ...
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Numbering rows within groups in a data frame

...g this approach, make sure that you are not getting conflicts between plyr and dplyr as explained in this post It can be avoided by explicitly calling dplyr::mutate(...) – EcologyTom Apr 10 '18 at 14:16 ...
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MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start

... answered Oct 17 '14 at 10:56 AndreasAndreas 34811 gold badge33 silver badges99 bronze badges ...
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Search all the occurrences of a string in the entire project in Android Studio

I've just started using Android Studio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() " ...
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How to concatenate a std::string and an int?

...++11 (to_string() is already included in #include <string>) is safe, and fast; requires FastFormat, which must be compiled; most/all platforms (ditto) is safe, and fast; requires the {fmt} library, which can either be compiled or used in a header-only mode; most/all platforms safe, slow, and v...
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Why are hexadecimal numbers prefixed with 0x?

Why are hexadecimal numbers prefixed as 0x ? I understand the usage of the prefix but I don't understand the significance of why 0x was chosen. ...
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How can I get the count of milliseconds since midnight for the current?

... and if somebody defines a timezone not on second border or adds a leap-millisecond this breaks.=)) – Markus Mikkolainen Aug 2 '12 at 20:40 ...