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data.table vs dplyr: can one do something well the other can't or does poorly?
...;% group_by(z) %>% do(data.frame(.$x[1:2], .$y[1]))
DT[, quantile(x, 0.25), by = z]
DF %>% group_by(z) %>% summarise(quantile(x, 0.25))
DT[, quantile(x, c(0.25, 0.75)), by = z]
DF %>% group_by(z) %>% do(data.frame(quantile(.$x, c(0.25, 0.75))))
DT[, as.list(summary(x)), by = z]
DF %...
calling non-static method in static method in Java [duplicate]
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edited Nov 25 '15 at 7:08
Sabyasachi Mishra
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What is the difference between concurrent programming and parallel programming?
...ectly visible.
– J D
Feb 3 '13 at 1:25
43
@BoppityBop Just because I can say in a drawing what he...
Submit form on pressing Enter with AngularJS
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answered Jun 28 '13 at 12:25
EpokKEpokK
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Alternate table row color using CSS?
...class with jqeury
– dutchkillsg
May 25 '18 at 16:29
@dutchkillsg That appears to be a brand new question rather than a...
Google Play app description formatting
...ind it again.
– Patrick McLaren
Mar 25 '15 at 1:29
2
I would add this link: support.google.com/go...
What is the official “preferred” way to install pip and virtualenv systemwide?
...ns:
http://pip.readthedocs.org/en/latest/installing.html#install-pip
EDIT 25-Jul-2013:
Changed URL for setuptools install.
EDIT 10-Feb-2014:
Removed setuptools install (thanks @Ciantic)
EDIT 26-Jun-2014:
Updated URL again (thanks @LarsH)
EDIT 1-Mar-2015:
Pip is now bundled with Python
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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
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James Kuang
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answered Aug 26 '11 at 2:48
Jesse CrossenJesse Crossen
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What is the Windows equivalent of the diff command?
...needed.
– Andriy M
Jan 19 '14 at 11:25
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Calling C/C++ from Python?
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Florian BöschFlorian Bösch
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