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python dataframe pandas drop column using int
I understand that to drop a column you use df.drop('column name', axis=1). Is there a way to drop a column using a numerical index instead of the column name?
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How can I remove a pytz timezone from a datetime object?
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What is the smallest possible valid PDF?
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198
This is an interesting problem. Taking it by the book, you can start off with this:
%PDF-1.0...
How to kill zombie process
...e the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine thei...
Does Spring @Transactional attribute work on a private method?
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175
The Question is not private or public, the question is: How is it invoked and which AOP implem...
cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
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Why can I create a class named “var”?
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101
var is not a keyword according to this list.
it is a contextual keyword, so from the context ...