全篇
Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__()? If there is no visible difference, what is done differently be开发者_如何学Pythonhind the scenes?len is a function to get th[详细]
2022-12-23 06:59 分类：问答extract all urls from a string
I have a string of text that contains html, and I need to extract each url (most likely in img or a tags) to create a generic list of string objects.I only want the urls from inside html tags, not in[详细]
2022-12-23 06:57 分类：问答RGB灯带只亮R灯,GB不亮,是控制器什么元器件损坏?？
咑啲呿迗嘡迗qc 开发者_高级运维 2022-04-30 10:01 你好，你买的变色灯带是RGB的，请问你有接控制器吗？低压12V的七彩灯带是需要加控制器的，如果有加，那可能你没有按遥控器，让他变色。如果有按了，可能控制器[详细]
2022-12-23 03:07 分类：问答Why is WPFToolkit DataGrid so slow when binding?
I have a very simple test application where I have two objects, each with a small collection of items. when I select an object I display its collection in a WPFToolkit DataGrid.[详细]
2022-12-23 02:38 分类：问答.NET different application settings for development and release
I am using VS2010 C#.NET 3.5 and application settings (the Settings.settings file). What I want to do is have different settings for my development and production environments without having to litter[详细]
2022-12-22 22:31 分类：问答卢布跳水不单影响iPhone价格，应用也涨价了？
此前，我们报道了由于卢布对美元大幅贬值，苹果暂时从俄罗斯苹果零售店撤下的消息。由于卢布严重下跌，苹果俄罗斯官网目前已经处于“休整”阶段，何时恢复服务还不清楚。[详细]
2022-12-22 22:09 分类：问答巩义有哪些好玩的地方？？
fdyt1tvclj 2022-05-01 08:08 巩义是河南省的一个县级市，2012年12月被评为中国最具幸福感城市，那么大家知道巩义有哪些好玩的地方吗？接下来这篇指南将告诉你答案。操作方法01巩义石窟寺，这里的寺庙是河南地区[详细]
2022-12-22 21:50 分类：问答How do you use pip, virtualenv and Fabric to handle deployment?
What are your settings, your tricks, and a开发者_开发百科bove all, your workflow? These tools are great but there are still no best practices attached to their usage, so I don\'t know what is the mos[详细]
2022-12-22 17:34 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......