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Stripping everything but alphanumeric chars from a string in Python
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I just timed some functions out of curiosity. In these tests I'm removing non-alphanumeric characters from the string string.printable (part of the built-in string module). The use of compiled '[\W_]+' and pattern.sub('', str) was found to be fastest.
$ python -m ...
How should the ViewModel close the form?
I'm trying to learn WPF and the MVVM problem, but have hit a snag.
This question is similar but not quite the same as this one (handling-dialogs-in-wpf-with-mvvm) ...
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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...架类的头文件中定义一个CDockablePane的数组
CDockablePane m_Panes[5];//一个CDockablePane的数组
2. CFrameWndEx:: OnCreate() 在Create函数中自动生成了以下代码，对MFC比较熟悉的这里就不讲了：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(N...
Django TemplateDoesNotExist?
My local machine is running Python 2.5 and Nginx on Ubuntu 8.10, with Django builded from latest development trunk.
20 Answ...
How to set custom header in Volley Request
...st. I've a simple GET request, but I need to pass the custom headers alongwith. I don't see how JsonRequest class supports it. Is it possible at all?
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ElasticSearch: Unassigned Shards, how to fix?
I have an ES cluster with 4 nodes:
24 Answers
24
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Open URL in same window and in same tab
...open a link in the same window and in the same tab that contains the page with the link.
14 Answers
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Encoding an image file with base64
...ion. I assume you are doing something along the lines of:
import base64
with open("yourfile.ext", "rb") as image_file:
encoded_string = base64.b64encode(image_file.read())
You have to open the file first of course, and read its contents - you cannot simply pass the path to the encode functio...
Why is pow(a, d, n) so much faster than a**d % n?
I was trying to implement a Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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In where shall I use isset() and !empty()
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edited Jul 22 '19 at 11:16
simhumileco
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