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How to take column-slices of dataframe in pandas
...ing to 'bar'
df.loc[:, :'bar']
# foo bar
# slice from 'quz' to the end by 3
df.loc[:, 'quz'::3]
# quz sat
# attempt from 'sat' to 'bar'
df.loc[:, 'sat':'bar']
# no columns returned
# slice from 'sat' to 'bar'
df.loc[:, 'sat':'bar':-1]
sat cat ant quz bar
# slice notation is syntatic sugar for th...
Generate all permutations of a list without adjacent equal elements
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30
This is along the lines of Thijser's currently incomplete pseudocode. The idea is to take the m...
Eclipse menus don't show up after upgrading to Ubuntu 13.10
After upgrading to Ubuntu 13.10, when I click on any menus in Eclipse (Help, Window, Run) they don’t show up. Only menu stubs and selection are visible.
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Read lines from a file into a Bash array [duplicate]
...yes, bash 4 has been out for many years but I recall that some macs only 2/3 years old have pre-4 as default shell)
Other notes:
Can also follow drizzt's suggestion below and replace a forked subshell+cat with
$(</etc/passwd)
The other option I sometimes use is just set IFS into XIFS, then ...
PHPMyAdmin Default login password [closed]
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Syed QaribSyed Qarib
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6
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Having the output of a console application in Visual Studio instead of the console
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53
In the Tools -> Visual Studio Options Dialog -> Debugging -> Check the "Redirect All O...
nginx - client_max_body_size has no effect
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132
Following nginx documentation, you can set client_max_body_size 20m ( or any value you need ) i...
What is function overloading and overriding in php?
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edited Jul 14 '14 at 13:15
rightfold
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answe...
How to access the last value in a vector?
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384
I use the tail function:
tail(vector, n=1)
The nice thing with tail is that it works on dat...
How to get random value out of an array?
I have an array called $ran = array(1,2,3,4);
20 Answers
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