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python - Django model foreignKey Reference

I expect to achieve the following effect when using django to create a database. Table 1 {code...} Table 2 {co...

From [Pythondiscussion group] 2017-05-18 10:46:04 0  1  722

python - Solving IP segmentation problem

There is such an IP: "192.168.1.1-5,192.168.1.10-15" and I want it to be output as: 192.168.1.1192.1...

From [Pythondiscussion group] 2017-05-18 10:45:55 0  2  1050

python - beautifulSoup4 .select('.bnrName') cannot get the text text

Background: Use bs4's select under Python3 to get the store name in the coupon information at the top of the Z...

From [Pythondiscussion group] 2017-05-18 10:45:48 0  4  883

Add noon to the Python link, and the Chinese output is not in the link

I spliced ??a link into Chinese, and the Chinese was captured. The output should be a new link, but the output...

From [Pythondiscussion group] 2017-05-18 10:45:46 0  2  1123

Web crawler - How to crawl the pictures in the Blog Park blog using python?

I wrote a small piece of code to crawl the pictures in the Blog Park blog. This code is effective for some lin...

From [Pythondiscussion group] 2017-05-18 10:45:39 0  1  1119

python - Thread safety issues about singletons

{Code...} The above is a way to implement a singleton in Python, but we all know that this implementation is n...

From [Pythondiscussion group] 2017-05-18 10:45:22 0  1  737

I would like to ask why python2.7 and 3.6 use a for loop to output dictionary contents, so why are they sorted differently?

I would like to ask why the order of the dictionary contents output by the same for is different when using 2....

From [Pythondiscussion group] 2017-05-18 10:45:20 0  2  675

html5 - How to display variables in a Python program in HTML

The framework is flask Html. What should be done to display a variable in Python code?

From [Pythondiscussion group] 2017-05-18 10:45:17 0  1  831

python - How to change the path of matplotlib.pyplot.save

By default, it is always saved in the same folder as the py file. How can I change the path and save the gener...

From [Pythondiscussion group] 2017-05-18 10:45:14 0  1  1587

Questions about python crawler

I use post to crawl web form data. The website is as follows: http://www.ipe.org.cn/Industr.... Now I have enc...

From [Pythondiscussion group] 2017-05-18 10:45:11 0  1  728

Python speeds up program running problems

Assumption: {code...} Thanks

From [Pythondiscussion group] 2017-05-18 10:45:07 0  3  766

Does sublime text 3 not support python input?

Input: ctrl + B After running: After the input is completed, the program below cannot be executed. Doesn't it ...

From [Pythondiscussion group] 2017-05-18 10:44:59 0  3  869

xlwt - How to add color to specified words in python and write it to Excel document?

.......Create text color function set_color def set_color(color,bold=False): {code...} Find the specified word...

From [Pythondiscussion group] 2017-05-18 10:44:56 0  2  850

python - How to get download speed elegantly?

I used to use urlopen and then read, open a thread, and detect the received buffer size every second. Is there...

From [Pythondiscussion group] 2017-05-18 10:44:51 0  5  854

javascript - Alibaba Cloud domain name mapping

I have an Alibaba Cloud server and I have an Alibaba Cloud domain name. How do I map it? Why can’t I find it i...

From [Pythondiscussion group] 2017-05-18 10:44:42 0  3  907