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Naming returned columns in Pandas aggregate function? [duplicate]
... is done with tidyverse's summarize in R), but a work-around in pandas for now is to create the new columns with desired names via assign before doing the aggregation:
data.assign(
f=data['column1'],
mean=data['column2'],
std=data['column2']
).groupby('Country').agg(dict(f=sum, mean=np....
What is the _snowman param in Ruby on Rails 3 forms for?
...sing the form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
...
Is it worth using Python's re.compile?
... @BrianM.Sheldon naming the regex well doesn't really help you know what its various capturing groups represent.
– Ken Williams
Oct 23 '18 at 3:58
add a comment
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Add Variables to Tuple
...omma is 100% optional. Including it kind of signifies "this is a tuple, I know it's a tuple, I know how tuples work, and I know I can do that." But no comma might seem more natural. Idk. Up to you.
– Daniel
May 27 '18 at 3:29
...
Simple example of threading in C++
...std::string msg)
{
std::cout << "task1 says: " << msg;
}
Now create the thread object that will ultimately invoke the function above like so:
std::thread t1(task1, "Hello");
(You need to #include <thread> to access the std::thread class)
The constructor's arguments are th...
A Java API to generate Java source files [closed]
... Great!! An Abstract Syntax Tree is what I'm looking for... Now I will search more info about the API... Thanks!, :-)
– Daniel Fanjul
Sep 23 '08 at 15:31
...
Sending HTML email using Python
...ls.encode(htmlin, pout, 'quoted-printable')
htmlin.close()
#
# Now that we're done, close our writer and
# return the message body
#
writer.lastpart()
msg = out.getvalue()
out.close()
print msg
return msg
if __name__=="__main__":
import smtplib
html =...
Code for Greatest Common Divisor in Python [closed]
...ple assignment uses x before it is assigned. You assigned y to x first, so now y is going to be set to 0 (as y % y is always 0).
– Martijn Pieters♦
Mar 19 '15 at 16:54
1
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C++: what regex library should I use? [closed]
... a linux-based system. I need to do some regex within the C++ code. (I know: I now have 2 problems.)
10 Answers
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Optimize Font Awesome for only used classes
...
You can now subset icons from Font-awesome for production use. There is now an official subsetting tool called icnfnt, which allows you to pick and package just the icons you need from the current version of Font-awesome (v3.0.2).
T...