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python - Django web project has high CPU usage. How to perform performance analysis?

First of all, I have never done performance analysis. I am a newbie. When I was maintaining the previous code,...

From [Pythondiscussion group] 2017-06-12 09:26:40 0  2  1327

想問一下用python如何對中文的 一二三四進行排序？

今天偶然做一個問題的時候想要對一組數(shù)據(jù)的進行排序，然后里面有中文的 一二三四，排序出來的結果不是我想要的結果。然后我就比較了七和二的大小，發(fā)現(xiàn)七居然比二小下面這張圖是一到七排序后的結果 我知道導致這...

From [Pythondiscussion group] 2017-04-18 10:05:12 0  3  1326

python - How to crawl web content that is covered by the next page/rendered by JS?

I want to extract the current selling price of the item and the ITEM_ID of the corresponding item on the web p...

From [Pythondiscussion group] 2017-05-18 10:55:01 0  1  1325

python - How to use a crawler to crawl images from web pages in batches?

As shown in the picture, it is troublesome to view and load pictures through the network and right-click to sa...

From [Pythondiscussion group] 2017-06-28 09:25:48 0  3  1324

python - Error when importing matplotlib.pyplot

Today I got an error when importing matplotlib.pyplot: Traceback (most recent call last): File "C:Usersle...

From [Pythondiscussion group] 2017-06-12 09:20:07 0  3  1324

python - How to count the word frequency of an English API development document (such as javadoc document)?

For example, a simpler function is how to count the word frequency of an English API development document? (Th...

From [Pythondiscussion group] 2017-07-05 10:35:00 0  2  1323

Web crawler-Introduction to Python crawler

I am about to be a sophomore, I have studied Python by myself, and I know basic grammar. I want to learn crawl...

From [Pythondiscussion group] 2017-07-05 10:34:11 0  3  1322

Hello teacher, if the sub-window is opened through the main window event, how to determine whether the sub-window is closed?

Hello teacher, if the sub-window is opened through the main window event, how to determine whether the sub-win...

From [Pythondiscussion group] 2019-07-24 09:19:46 0  2  1321

Web crawler - Python requests.get crawler set proxy IP address has not changed

The work requires crawling information on Amazon, but Amazon's anti-crawler is too powerful, and the same IP a...

From [Pythondiscussion group] 2017-06-12 09:24:11 0  1  1321

python - AttributeError: 'module' object has no attribute 'sendline'

{代碼...} 在linux環(huán)境下運行Python上面的代碼可以運行通過但是把p = pexpect.spawn(cmd) 改成 p = pexpect.sendline(cmd)后，就會報這個錯誤 這里有個類似的描述h...

From [Pythondiscussion group] 2017-04-17 17:15:54 0  2  1319

linux - 如何查看python腳本自動退出原因？

使用gunicorn+flask框架，同時通過apscheduler實現(xiàn)對一款爬蟲的定時調用，但是在這其中遇到了一個問題，如下：1，我利用shell終端，通過gunicorn -c直接運行，然后通過flask構造url調...

From [Pythondiscussion group] 2017-04-18 10:06:12 0  4  1318

python - openpyxl reads xlsx files and generates data into a dictionary. Is there a problem with Chinese encoding?

The following code implements reading the data in 1.XLSX, saving all the data in the dictionary my_data, and t...

From [Pythondiscussion group] 2017-06-12 09:25:15 0  2  1316

python - Flask使用uWSGI后logging模塊功能失效

癥狀：使用python直接運行時可以正常記入日志，使用Nginx+uWSGI部署后無日志生成。 背景介紹： 定義了一個initlogger函數(shù)對logger做了一些初始化工作。 該函數(shù)在myapi.py（flask主文件...

From [Pythondiscussion group] 2017-04-17 13:22:43 0  1  1316

Python how to extract all ID names and CLASS names from css files

There is a requirement to extract all ID names and CLASS names from css files into two lists. Can this functio...

From [Pythondiscussion group] 2017-07-05 10:35:41 0  1  1315

python - Why can't I update the css in real time after writing it in flask?

The css code has been modified, but when I run the program and check the source code css content it is still a...

From [Pythondiscussion group] 2017-06-30 09:54:12 0  3  1312