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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
... say solution; perhaps it's just another motivation to meticulously use venvs...
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How to update Python?
...hon33 for 3.3.x (latest 2013-07-29)
C:\Python32 for 3.2.x
&c.
C:\Python27 for 2.7.x (latest 2013-07-29)
C:\Python26 for 2.6.x
&c.
If OP is not updating Python, but merely updating packages, they may wish to look into virtualenv to keep the different versions of packages specific to their de...
how to set radio option checked onload with jQuery
...ead of attr() for this kind of thing. For explanation, see the "Attributes vs. Properties" section here: api.jquery.com/prop. Also there's no need for the extra filter, you can just combine the 2 selectors e.g. $("input[name=gender][value=Male]").prop("checked", true);
– jackoc...
Drop data frame columns by name
...cars
colnames(dat)
# [1] "mpg" "cyl" "disp" "hp" "drat" "wt" "qsec" "vs" "am" "gear"
# [11] "carb"
dat[,c("mpg","cyl","wt")] <- list(NULL)
colnames(dat)
# [1] "disp" "hp" "drat" "qsec" "vs" "am" "gear" "carb"
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What is more efficient? Using pow to square or just multiply it with itself?
...
I tested the performance difference between x*x*... vs pow(x,i) for small i using this code:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::micro...
Why are there two kinds of functions in Elixir?
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edited Mar 27 '19 at 17:13
Paweł Obrok
20.3k88 gold badges6868 silver badges6767 bronze badges
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What is the most efficient way to concatenate N arrays?
...s is very slow for arrays containing objects, see: jsperf.com/array-concat-vs-array-push-vs-array-spread/1
– hitautodestruct
Jun 11 at 6:06
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Get a list of all threads currently running in Java
...ernatives, but I've worked with other Java means of gathering stack traces vs just a list of threads. The performance impact seems to depend very strongly on which JVM you are using (JRockit vs Sun JVM for example). It's worth measuring in your specific instance. Whether or not it will affect you...
Resetting generator object in Python
... too many values, that can be unpractical.
So you have the classic memory vs. processing tradeoff. I can't imagine a way of rewinding the generator without either storing the values or calculating them again.
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UnicodeDecodeError when reading CSV file in Pandas with Python
...python')
Alternate Solution:
Open the csv file in Sublime text editor or VS Code.
Save the file in utf-8 format.
In sublime, Click File -> Save with encoding -> UTF-8
Then, you can read your file as usual:
import pandas as pd
data = pd.read_csv('file_name.csv', encoding='utf-8')
and the ...