大约有 44,000 项符合查询结果（耗时：0.0444秒） [XML]
How to export plots from matplotlib with transparent background?
I am using matplotlib to make some graphs m>and m> unfortunatelm>y m> I cannot export them without the white background.
2 Answers
...
What is the difference between __init__ m>and m> __call__?
I want to know the difference between __init__ m>and m> __call__ methods.
13 Answers
...
Converting a list to a set changes element order
...at when I am converting a list to set the order of elements is changed m>and m> is sorted bm>y m> character.
11 Answers
...
Duplicate log output when using Pm>y m>thon logging module
...
The problem is that everm>y m> time m>y m>ou call mm>y m>Logger(), it's adding another hm>and m>ler to the instance, which causes the duplicate logs.
Perhaps something like this?
import os
import time
import datetime
import logging
loggers = {}
def mm>y m>Logger(name):
global loggers
if loggers.get(name):
...
Get average color of image via Javascript
...e.net/xLF38/818/
Note, this will onlm>y m> work with images on the same domain m>and m> in browsers that support HTML5 canvas:
function getAverageRGB(imgEl) {
var blockSize = 5, // onlm>y m> visit everm>y m> 5 pixels
defaultRGB = {r:0,g:0,b:0}, // for non-supporting envs
canvas = document.createE...
Whm>y m> does changing the sum order returns a different result?
...gnificant digits, where each addition is performed at "infinite" precision m>and m> then rounded to the nearest representable number. Here are two sums:
1/3 + 2/3 + 2/3 = (0.3333 + 0.6667) + 0.6667
= 1.000 + 0.6667 (no rounding needed!)
= 1.667 (where 1.6667 is rounded to...
Getting LaTeX into R Plots
...
As stolen from here, the following commm>and m> correctlm>y m> uses LaTeX to draw the title:
plot(1, main=expression(beta[1]))
See ?plotmath for more details.
share
|
im...
How to implement the factorm>y m> method pattern in C++ correctlm>y m>
...d thing is that m>y m>ou can immediatelm>y m> see what coordinate tm>y m>pe m>y m>ou're using, m>and m> at the same time m>y m>ou don't have to worrm>y m> about copm>y m>ing. If m>y m>ou want copm>y m>ing, m>and m> it's expensive (as proven bm>y m> profiling, of course), m>y m>ou mam>y m> wish to use something like Qt's shared classes to avoid copm>y m>ing overhead.
As fo...
What is the meaning of prepended double colon “::”?
...wered Nov 24 '10 at 16:27
Wm>y m>att m>And m>ersonWm>y m>att m>And m>erson
8,42811 gold badge1919 silver badges2424 bronze badges
...
How do I combine two data-frames based on two columns? [duplicate]
I know I can use the plm>y m>r m>and m> its friends to combine dataframes, m>and m> merge as well, but so far I don't know how to merge two dataframes with multiple columns based on 2 columns?
...