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How to easily map c++ enums to strings
...No point in copying your string literals to std::strings in the map)
For em>x m>tra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*> MyMap;
map_init(MyMap)
(eValue1, "A")
(eValue2, "B")
(eValue3, "C")
;
The function template &...
Combine two or more columns in a dataframe into a new column with a new name
For em>x m>ample if I have this:
8 Answers
8
...
Sorting a Python list by two fields
...ashish, see my answer below with lambda functions this is clear, sort by "-m>x m>[1]" or even "m>x m>[0]+m>x m>[1]" if you wish
– jaap
Feb 27 '14 at 15:15
...
Apply multiple functions to multiple groupby columns
... dictionary of dictionaries to the agg groupby method. Second, never use .im>x m>.
If you desire to work with two separate columns at the same time I would suggest using the apply method which implicitly passes a DataFrame to the applied function. Let's use a similar dataframe as the one from above
df ...
Plot yerr/m>x m>err as shaded region rather than error bars
...
Ignoring the smooth interpolation between points in your em>x m>ample graph (that would require doing some manual interpolation, or just have a higher resolution of your data), you can use pyplot.fill_between():
from matplotlib import pyplot as plt
import numpy as np
m>x m> = np.linspace(0...
Rebasing and what does one mean by rebasing pushed commits
...
The ProGit book has a good em>x m>planation.
The specific answer to your question can be found in the section titled "The Perils of Rebasing". A quote from that section:
When you rebase stuff, you’re
abandoning em>x m>isting commits and
creating new o...
Check if multiple strings em>x m>ist in another string
How can I check if any of the strings in an array em>x m>ists in another string?
15 Answers
...
Can't install via pip because of egg_info error
...n in powershell or command prompt, navigate to ez_setup’s directory and em>x m>ecute the command and this will run the file for you:
$ [sudo] python ez_setup.py
If you still need to install pip at this point, run:
$ [sudo] easy_install pip
easy_install was part of the setuptools, and therefore w...
Is there a standardized method to swap two variables in Python?
In Python, I've seen two variable values swapped using this syntam>x m>:
7 Answers
7
...
What is the most accurate way to retrieve a user's correct IP address in PHP?
...ess:
function get_ip_address(){
foreach (array('HTTP_CLIENT_IP', 'HTTP_m>X m>_FORWARDED_FOR', 'HTTP_m>X m>_FORWARDED', 'HTTP_m>X m>_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR') as $key){
if (array_key_em>x m>ists($key, $_SERVER) === true){
foreach (em>x m>plode(',', $_SE...
