python - How to solve the memory leak and suspended animation of pyspider phantomjs?

When crawling, phantomjs will die. How to solve this problem. . .

From [Pythondiscussion group] 2017-05-18 10:59:23 0  1  1229

python - 求这样的4个自然数p、q、r、s（p<=q<=r<=s),使得一下等式成立：1/p+1/q+1/r+1/s=1。

用python怎么解决上述问题，最好能有想法说明什么的，谢谢！

From [Pythondiscussion group] 2017-04-18 09:27:36 0  4  1229

python3.x - python3.5的numpy设置array为float64，报错"name float64 is not defined"

{代码...} 把dtype设置为float64会报错 NameError: name 'float64' is not defined 但是如果去掉"dtype=float64"会出现warning...

From [Pythondiscussion group] 2017-04-17 17:48:06 0  2  1229

WeChat QR code How to generate QR code for WeChat official account?

Generate settings through tools, or you can also generate QR codes with parameters, which are automatically ge...

From [Pythondiscussion group] 2019-03-06 14:16:26 0  0  1226

python beautifulsoup 如何抓取不规则表格的内容

在爬一个网站数据的时候发现，旧的页面采用的表格和现在的格式不一样，这到不算大问题，只是旧式表格采用的是表格格式并不规则。因网站登陆本身需要账号，就不提供网址了。具体如下：新式： 旧式： 在旧式表中中...

From [Pythondiscussion group] 2017-04-18 09:42:51 0  2  1225

python 在windows下如何做模拟操作,捕捉窗口句柄,模拟点击键盘事件

网上都是很碎片的教程,有没有完整一点的?请大神指点比如做个模拟登陆QQ,然后模拟点击群,最后在群聊天中输入一些文字,然后发送,如此这般的流程

From [Pythondiscussion group] 2016-11-17 14:58:51 0  1  1225

javascript - Find the optimal solution for the intersection between time periods

Determine whether there is an intersection between a period of time and a bunch of periods of time. If there i...

From [Pythondiscussion group] 2017-06-30 09:53:32 0  7  1224

requests - 关于python模拟登陆抓取网站信息

我想用requests实现在www.lu.com模拟登陆后抓取一些产品信息，通过chrome的抓包工具我抓到了登陆时的form data和header(变量header)，以及访问需要抓取的页面时的header(变量li...

From [Pythondiscussion group] 2017-04-17 17:53:33 0  1  1224

Is there any way to automatically sort? Watch the video and it's hard to type the numbers one by one.

print('1 Hello')print('2 Hello')print('3 Hello')

From [Pythondiscussion group] 2021-05-28 22:17:00 0  1  1223

python中elif与else if有没有什么区别？

python中elif与else if有没有什么区别？

From [Pythondiscussion group] 2017-04-17 16:43:09 0  7  1223

python watchdog如何检测一个文件创建完成

有人用过 python watchdog来监视目录么？ 因为工作需要，需要写个程序监视一个目录，当有文件创建时，将该文件上传到远程FTP服务器。 使用watchdog可以实现监视的功能，但如果我在受监控的目录里放入的是一...

From [Pythondiscussion group] 2017-04-17 13:08:16 0  1  1223

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  1222

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  1222

Where can I download the teacher's notes?

.....

From [Pythondiscussion group] 2018-04-02 17:31:41 0  0  1221

visual-studio - Python OpenCV: 奇怪的自动补全问题

当我使用pip将OpenCV安装好之后，使用visual-studio编写代码时，出现了一个奇怪的问题。使用import cv2导包后，当我输入cv2.时，自动补全并未提示OpenCV内部的函数，而是出现cv2、sys、...

From [Pythondiscussion group] 2017-04-18 10:33:45 0  2  1220