大约有 40,000 项符合查询结果(耗时:0.0681秒) [XML]

https://stackoverflow.com/ques... 

What does “mro()” do?

... Method Resolution Order. It returns a list of types the class is derived from, in the order they are searched for methods. mro() or __mro__ works only on new style classes. In python 3, they work without any issues. But in python 2 those classes need to inherit from object. ...
https://stackoverflow.com/ques... 

What is RSS and VSZ in Linux memory management

.... It does not include memory that is swapped out. It does include memory from shared libraries as long as the pages from those libraries are actually in memory. It does include all stack and heap memory. VSZ is the Virtual Memory Size. It includes all memory that the process can access, includi...
https://stackoverflow.com/ques... 

Git: How to remove file from historical commit?

...l). Now my repo when i clone is too heavy :( How to remove that large file from repo history to reduce the size of my repo ? ...
https://stackoverflow.com/ques... 

+ operator for array in PHP?

... Quoting from the PHP Manual on Language Operators The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matchi...
https://stackoverflow.com/ques... 

How can I get a list of locally installed Python modules?

...ot use with pip > 10.0! My 50 cents for getting a pip freeze-like list from a Python script: import pip installed_packages = pip.get_installed_distributions() installed_packages_list = sorted(["%s==%s" % (i.key, i.version) for i in installed_packages]) print(installed_packages_list) As a...
https://stackoverflow.com/ques... 

How to make blinking/flashing text with CSS 3

...re first setting opacity: 1; and then you are ending it on 0, so it starts from 0% and ends on 100%, so instead just set opacity to 0 at 50% and the rest will take care of itself. Demo .blink_me { animation: blinker 1s linear infinite; } @keyframes blinker { 50% { opacity: 0; ...
https://stackoverflow.com/ques... 

How to validate an Email in PHP?

... Stay away from regex and filter_var() solutions for validating email. See this answer: https://stackoverflow.com/a/42037557/953833 share | ...
https://stackoverflow.com/ques... 

Add Text on Image using PIL

...type("sans-serif.ttf", 16) So your code will look something similar to: from PIL import Image from PIL import ImageFont from PIL import ImageDraw img = Image.open("sample_in.jpg") draw = ImageDraw.Draw(img) # font = ImageFont.truetype(<font-file>, <font-size>) font = ImageFont.truet...
https://stackoverflow.com/ques... 

Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat

...e output of a command I run using os.system to a variable and prevent it from being output to the screen. But, in the below code ,the output is sent to the screen and the value printed for var is 0, which I guess signifies whether the command ran successfully or not. Is there any way to assign t...
https://stackoverflow.com/ques... 

xkcd style graphs in MATLAB

...ody's solution!). This solution relies on two key functions: EXPORT_FIG from the file exchange to get an anti-aliased screenshot, and IMTRANSFORM to get a transformation. %# define plot data x = 1:0.1:10; y1 = sin(x).*exp(-x/3) + 3; y2 = 3*exp(-(x-7).^2/2) + 1; %# plot fh = figure('color','w');...