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Extract a dplyr tbl column as a vector
Is there a more succinct way to get one column of a dplyr tbl as a vector, from a tbl with database back-end (i.e. the data frame/table can't be subset directly)?
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Parsing IPv6 extension headers containing unknown extensions
...unknown extension and pass on the rest. IMO this property makes the design more rather than less extensible.
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Git submodule add: “a git directory is found locally” issue
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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How to loop over directories in Linux?
...usly)
. is the current directory, which after the cd is /tmp (IMHO this is more flexible than having /tmp directly in the find command. You have only one place, the cd, to change, if you want more actions to take place in this folder)
-maxdepth 1 and -mindepth 1 make sure that find only looks in the...
Android SDK on a 64-bit linux machine
...ing Ubuntu/Gnome. Linux's fragmentation suggests the "correct" answer is a more general one or a combination of all of the following partially correct answers. I for one prefer the more generalized answer, as there are too many possible variations and updates to be sure of completeness and non-obsol...
Javascript add leading zeroes to date
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How to post data to specific URL using WebClient in C#
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
... For those who come here for 10.11 you can't symlink to usr/lib anymore but a symlink to usr/local/lib will work: sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlclient.18.dylib
– JonathanSimmons
Sep 14 '15 at 16:44
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Downloading images with node.js [closed]
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