python - How to dynamically add tasks during the run of celery beat scheduler?

I tried django-celery-beat and added tasks in the admin background. It can dynamically add tasks, but it will ...

From [Pythondiscussion group] 2017-05-18 10:56:10 0  2  2194

python - Flask script, no response after running for a while

The code is as follows: {code...} It is also a piece of code that has been running well on a previous server. ...

From [Pythondiscussion group] 2017-05-18 10:56:36 0  1  2182

How to solve the restriction on group messaging on the WeChat public account platform?

1. WeChat public account template messages do not limit the number of group messages and do not occupy the num...

From [Pythondiscussion group] 2019-03-04 14:07:59 0  0  2175

请问scrapy中如何设置request的重试次数

scrapy版本：1.1.2python 版本：3.5在使用scrapy抓取数据的时候使用了代理IP，难免会遇到代理IP失效的情况。因为对数据完整性要求较高，请问如何设置只要没有成功的返回response则把任务重新放进...

From [Pythondiscussion group] 2016-10-28 13:47:14 0  1  2162

python - How can I optimize the speed of pandas' read_sql?

My needs require data query and correlation between multiple databases, so I chose to use pandas, read the dat...

From [Pythondiscussion group] 2017-06-28 09:22:30 0  1  2155

python3.x - pip安装wsgiref报错"Command python setup.py egg_info failed"

pip安装wsgiref报错"Command python setup.py egg_info failed with error code 1 in /Users/agdragon/.pyenv/versio...

From [Pythondiscussion group] 2017-04-18 09:48:15 0  1  2154

python - Use requests to crawl [Dajie.com] job information, but failed many times. Can you help me find out what is wrong with my code? How should it be changed?

I have crawled several static website data before, and it was relatively smooth. This time I encountered ajax,...

From [Pythondiscussion group] 2017-05-18 11:01:06 0  1  2153

How does the Python crawler crawl the content between span and span and store them in the dictionary respectively?

I want to capture the house profiles separately and store them in the dictionary as independent columns, but t...

From [Pythondiscussion group] 2017-05-18 10:52:42 0  5  2136

网页爬虫 - python:爬取带有下拉框日期的数据？

需要用到这方面的数据，单独一页一页的复制了一段时间的数据，发现很是耗时，想从深圳市环保局下载空气质量历史数据。选择日期后，页面出现一个相应的数据表格，每天有24个时间点的。需要将每一天每一个小时的数...

From [Pythondiscussion group] 2017-04-17 17:33:12 0  3  2132

python-pip - Switch the python version under win10. The library python3 installed by pip for python2.7 cannot be used. Please tell me how to switch the Python version freely.

There are two versions of Python installed in win10, but the libraries installed by pip cannot be shared, and ...

From [Pythondiscussion group] 2017-07-05 11:02:01 0  3  2096

python - Linux终端全局代理翻墙

我想通过设置HTTP_PROXY和HTTPS_PROXY方法实现代理，格式如下 {代码...} 昨天我买了一台阿里云的服务器，经过SSH -D user@server然后通过Chrome下的proxy插件可以实现翻墙。现...

From [Pythondiscussion group] 2017-04-18 09:34:01 0  2  2093

python - pycharm reports an error when running: unable to load the file system codec ImportError?

I have installed several versions of python before, but I uninstalled them all because they felt too messy. No...

From [Pythondiscussion group] 2017-05-18 10:54:04 0  2  2086

ubuntu16.04安装uwsgi问题

pip3 install uwsgi安装好后输入uwsgi就出现如下错误：*** Starting uWSGI 2.0.12-debian (64bit) on ...

From [Pythondiscussion group] 2016-10-28 15:02:22 0  1  2083

网页爬虫 - python爬取大众点评网伪装浏览器返回出现403错误

hi，各位好，我在爬大众点评的这个网页http://www.dianping.com/search/keyword/2/75_%E6%96%B0%E4%B8%9C%E6%96%B9，用的request包获取网页源码，he...

From [Pythondiscussion group] 2017-04-17 17:43:45 0  2  2067

python - AttributeError: 'tuple' object has no attribute 'strip'错误

AttributeError: 'tuple' object has no attribute 'strip' error occurs when intercepting the length

From [Pythondiscussion group] 2017-05-18 10:51:41 0  1  2057