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How to plot two histograms together in R?
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JohnJohn
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8
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You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
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246
First, check to make sure that rake is mentioned in your Gemfile. If it's not, add it, and spec...
How to ignore xargs commands if stdin input is empty?
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kenorb
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answered Nov 28 '11 at 13:49
Sven MarnachSve...
Get timezone from DateTime
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Sergii Illiukhin
344 bronze badges
answered Feb 23 '09 at 7:07
Jon SkeetJon Skeet
1211k772772 go...
Is there a ceiling equivalent of // operator in Python?
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edited Sep 14 at 21:47
Machavity♦
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How to get last key in an array?
... do the trick :
$array = array(
'first' => 123,
'second' => 456,
'last' => 789,
);
end($array); // move the internal pointer to the end of the array
$key = key($array); // fetches the key of the element pointed to by the internal pointer
var_dump($key);
Will outpu...
How to print third column to last column?
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edited Jan 15 '14 at 20:11
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
answ...
The type or namespace name could not be found [duplicate]
...out this was a client profiling issue.
PrjForm was set to ".Net Framework 4 Client Profile"
I changed it to ".Net Framework 4", and now I have a successful build.
Thanks everyone!
I guess it figures that after all that time spent searching online, I find the solution minutes after posting, I gues...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...subset='index', keep='first').set_index('index')
1000 loops, best of 3: 1.54 ms per loop
>>> %timeit df3.groupby(df3.index).first()
1000 loops, best of 3: 580 µs per loop
>>> %timeit df3[~df3.index.duplicated(keep='first')]
1000 loops, best of 3: 307 µs per loop
Note that you ...