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Does git return specific return error codes?
...tomatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
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Formatting “yesterday's” date in python
...ort date, timedelta
>>> yesterday = date.today() - timedelta(days=1)
>>> yesterday.strftime('%m%d%y')
'110909'
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Annotating text on individual facet in ggplot2
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147
+50
Typical...
How to start an application using android ADB tools?
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11 Answers
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How to convert an xml string to a dictionary?
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Avoiding if statement inside a for loop?
... Library. It is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Container, typename Functor, typename Index = std::size_t>
void for_each_indexed(const Cont...
Tricks to manage the available memory in an R session
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201
Ensure you record your work in a reproducible script. From time-to-time, reopen R, then source(...
How to install PostgreSQL's pg gem on Ubuntu?
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Changing a specific column name in pandas DataFrame
...ns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
Following is the docstring for the rename method.
Definition: df.rename(self, index=None, columns=None, copy=Tr...
How can I combine hashes in Perl?
What is the best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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