在python中，如何将字符串'[1,2,3,4]'转化为列表[1,2,3,4]

如何将字符串'[1,2,3,4]'转化为列表[1,2,3,4]

From [Pythondiscussion group] 2016-10-22 16:09:22 0  1  1025

python merge dict

Now there are two dicts. This dict has two levels (it would be better if the number of levels can be customize...

From [Pythondiscussion group] 2017-06-22 11:52:21 0  2  1024

python - The distributed operation of pyspider is successful, and 2 slaves are running, but the time is not shortened?

1 master, 2 slaves, under the virtual machine ubuntu, the configuration is as follows: master's config.json: {...

From [Pythondiscussion group] 2017-06-28 09:22:42 0  1  1023

python - Why after using requests.get the URL, the response content in .text is in the form of a dictionary, but type it is str

I use anaconda's jupyter to run the code. When I use the requests module to read the web page, I see that the ...

From [Pythondiscussion group] 2017-06-12 09:21:24 0  3  1023

python - a=[1,2,3,4,5]，b=a和b=a[:]，有区别么？

再看python基础的发现个问题，有一个list a=[1,2,3,4,5]，赋值给b，b=a和另外一种b=a[:]， {代码...} 结果都是b[1,2,3,4,5],这两种赋值结果看起来都是一样的，但是他们有什么区别...

From [Pythondiscussion group] 2017-04-18 09:23:15 0  3  1023

Crawler pictures - Please tell me: python crawler encoding problem, version 3.6, win10 64-bit?

This is the error message: {Code...} Many places have been changed. The main reason may be that the target web...

From [Pythondiscussion group] 2017-05-18 10:53:14 0  2  1022

python - pyInstaller 打包py文件，可以生成成功，但是在warn.txt中报missing module，以至于不能运行

是在linux ubuntu环境，pyInstaller是3.2.1python 2.7这个项目有多个py文件，最终生成的是一个界面，pyqt写的。这几个py文件有互相import，也有import外部的第三方模块，我写...

From [Pythondiscussion group] 2017-04-18 10:19:35 0  1  1022

Python运行报错 'utf-8' codec can't decode byte 0xcb in position 0

{代码...}

From [Pythondiscussion group] 2017-04-18 09:56:39 0  2  1022

How to extract domain name using python regular expression

{Code...} How to use python regular expression to extract the coggles.co.uk domain name from this script? I ho...

From [Pythondiscussion group] 2017-06-22 11:51:53 0  2  1021

python - How to verify the input of type="datetime-local" through django form.is_valid()

forms.py: {Code...} In the above form, the time format passed is 2017-05-25T23:10, which cannot pass the form....

From [Pythondiscussion group] 2017-05-27 17:39:52 0  3  1021

Web crawler - problem with sending email attachments with python+smtp

The file is in txt or word format, but the attachment is required to be sent in pdf format. Are there any para...

From [Pythondiscussion group] 2017-05-18 11:01:40 0  1  1021

Can Python dependencies be placed at the project level instead of the system level?

{code...}

From [Pythondiscussion group] 2017-07-07 10:34:49 0  1  1020

python - Is there any way to get all the links in the network when the browser opens the web page?

Is there any way?

From [Pythondiscussion group] 2017-06-28 09:25:29 0  1  1020

java - socket类服务端如何防止被ddos攻击？

比如说我用socket，或者swoole的websocket服务器编写一个游戏服务端，但是客户端可以通过无限发包的方式来攻击我的游戏服务端，导致服务端崩溃，请问目前有什么比较好的方案可以防止这类ddos，cc攻击？（像网...

From [Pythondiscussion group] 2017-04-18 10:27:00 0  3  1020

Python：使用sax解析包含多个子节点的xml

{代码...} 使用sax如何处理包含有多个子节点的xml呢？ 比如：我想将每个system节点保存到一个dictionary中，然后通过下标来访问 {代码...} 目前想到2中方法： 1.重写 startElement...

From [Pythondiscussion group] 2017-04-17 13:26:07 0  1  1020