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Transpose a data frame
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109
You'd better not transpose the data.frame while the name column is in it - all numeric values w...
Python : List of dict, if exists increment a dict value, if not append a new dict
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210
That is a very strange way to organize things. If you stored in a dictionary, this is easy:
# ...
jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
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10 Answers
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What is the Bash equivalent of Python's pass statement
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answered Mar 10 '10 at 23:55
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
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I got rid of this warning in maven 3.0.1 with the following build configuration (i believe perhaps web.xml is added to the project by other means, and should't be packaged by default):
<project>
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<build>
<plugins>
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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Difference between two DateTimes C#?
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edited May 10 '09 at 15:39
answered May 10 '09 at 14:11
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How to check the version of GitLab?
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edited Jun 20 at 9:12
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answered Mar 3 '14 at 4:03
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Read and overwrite a file in Python
...ilename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The functionality will likely also be cleaner and safer using open as a context manager, which will close the file handler, even if an error occurs!
with open(filename, 'r+') as f:
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Conveniently Declaring Compile-Time Strings in C++
...ng to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13, "");
static_assert(my_st...