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Converting Python dict to kwargs?
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edited May 23 '17 at 11:33
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answered Apr 19 '11 at 0:48
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How to remove all rows in a numpy.ndarray that contain non-numeric values
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162
>>> a = np.array([[1,2,3], [4,5,np.nan], [7,8,9]])
array([[ 1., 2., 3.],
[ ...
How to check if a given directory exists in Ruby
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287
If it matters whether the file you're looking for is a directory and not just a file, you coul...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
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Where is this year() function from?
You could also use the reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
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npm: disable postinstall script for package
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It's not possible to disable only postinstall scripts. However, you can disable all scripts us...
jQuery find element by data attribute value
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Use Attribute Equals Selector
$('.slide-link[data-slide="0"]').addClass('active');
Fiddle D...
git still shows files as modified after adding to .gitignore
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edited Jul 25 '19 at 16:51
answered Mar 17 '12 at 14:15
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Can I change the name of `nohup.out`?
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nohup some_command &> nohup2.out &
and voila.
Older syntax for Bash version < 4:
nohup some_command > nohup2.out 2>&1 &
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Install a module using pip for specific python version
On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
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