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Can dplyr package be used for conditional mutating?
... case_when is sooooo beautiful, and it took me soooo long to figure out that it was actually there. I think this should be in the simplest dplyr tutorials, it is very common to have the need for calculating stuff for subsets of the data, but still wanting to keep the data complete.
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best practice to generate random token for forgot password
...s similarly weak. Thanks to @NikiC and @ScottArciszewski for pointing this out.
For more details see
http://phpsecurity.readthedocs.org/en/latest/Insufficient-Entropy-For-Random-Values.html
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In the shell, what does “ 2>&1 ” mean?
In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command:
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Where to host an Open Source Project: CodePlex, Google Code, SourceForge? [closed]
... too complex.
GitHub has a different philosophy than CodePlex: it's all about the source code and about collaboration among devs. The main project page is the most up to date source code. There is a separate Wiki, but that's more intended for Documentation rather than presentation of your project. ...
Differences between git remote update and fetch?
...documentation
This would be equivalent to using
git remote update
without specifying any remote group to fetch, and also not having remotes.default set in your repo configuration, and also that none of your remotes have remote.<name>.skipDefaultUpdate set to true.
The current 1.8.3.2 doc...
Convert line-endings for whole directory tree (Git)
...w as possible) invocations of the command -- like piping to xargs, but without problems if file path contains spaces, quotes, or other shell meta characters. The i in -pi tells perl to modify the file in place. You could use sed or awk here with some work, and you'll probably change '+' to ';' and i...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...y just got another response from the matplotlib mailling list (Thanks goes out to Benjamin Root).
The code I am looking for is adjusting the savefig call to:
fig.savefig('samplefigure', bbox_extra_artists=(lgd,), bbox_inches='tight')
#Note that the bbox_extra_artists must be an iterable
This is ...
What is the exact meaning of Git Bash?
...)
Copyright (C) 2005 Free Software Foundation, Inc.
But with the phasing out of msysgit (Q4 2015) and the new Git For Windows (Q2 2015), you now have Git for Windows 2.3.5.
It has a much more recent bash, based on the 64bits msys2 project, an independent rewrite of MSYS, based on modern Cygwin (PO...
How can I profile Python code line-by-line?
...n/6583590. If you're running nosetests, be sure to use the -s option so stdout is printed immediately.
– Kyle Gibson
Sep 16 '13 at 17:14
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What's the difference between the atomic and nonatomic attributes?
... faster than "atomic".
What "atomic" does not do is make any guarantees about thread safety. If thread A is calling the getter simultaneously with thread B and C calling the setter with different values, thread A may get any one of the three values returned -- the one prior to any setters being ca...