python - Problems with matplotlib's x-axis display

I recently learned pandas and data visualization and made a practice program {code...}. The problem is that wh...

From [Pythondiscussion group] 2017-07-05 10:27:12 0  1  924

python - How does Django implement the following dynamic query with empty parameters?

Enter any one of the last six digits of your mobile phone number or ID card, and one of the results will be re...

From [Pythondiscussion group] 2017-05-27 17:39:19 0  2  924

Python读取文件每行记录并转存为字典格式的数据

我的文件格式如下:Lee:18Mike:22John:31 我想读取该文件的每一行记录并将之存储为如下格式的字典:{"Lee":"18", "Mike":&qu...

From [Pythondiscussion group] 2017-04-18 10:29:17 0  2  924

linux - python如何从后往前读取文件？

小弟想在web上显示log文件的最新的五十条，遇到这个问题，希望大家帮帮忙。不甚感激。

From [Pythondiscussion group] 2017-04-18 09:25:24 0  3  924

Newbie - Python crawler problem help

Problem description: ValueError: unsupported format character 'j' (0x6a) at index 21, which is the 6th line fr...

From [Pythondiscussion group] 2017-07-05 10:35:09 0  1  923

flask - How to share login status in python web?

There will be many subdomain names under a domain name, and each subdomain name corresponds to a subsystem. So...

From [Pythondiscussion group] 2017-07-05 10:34:20 0  2  923

python - Django Admin creates a custom page not associated with any model

Since all Django Admin pages are associated with models, how do you create a page in the Admin background that...

From [Pythondiscussion group] 2017-06-28 09:23:56 0  1  923

python中return 语句与 分支语句连用问题

在如下代码中return ' '.join(s.split()[::-1]) if s.strip() != "" else s为什么if s.strip() != "" else...

From [Pythondiscussion group] 2017-04-18 10:31:56 0  2  923

用python解析protobuf数据，却遇到了tag had invalid wire type错误？

现在要用python去解析server端发过来的protobuf包，安装好protobuf之后，proto文件我也写好了，和server端是应该是一样的，因为是从team的gitlab上拿下来的。然后建立socket，拿...

From [Pythondiscussion group] 2017-04-18 10:13:41 0  1  923

macos - Mac pip安装MySQL-python psycopg2报错

系统：macOS Sierra pip install MySQL-python, pip install psycopg2均报以下错误： {代码...} 报错显示没有找到lssl这个库，我用Google搜索how to...

From [Pythondiscussion group] 2017-04-18 09:45:51 0  2  923

python - pandas dataframe如何进行大规模的赋值?

小弟新手，现在在处理一个二百多万的dataset，把他读取成pandas的dataframe后想根据每列特征值的不同做一个分类赋值。可是直接用datafrane做起来很慢，一个数据点都需要两三秒左右。求问有没有什么快捷的...

From [Pythondiscussion group] 2017-04-18 09:25:40 0  1  923

请问我的python小爬虫代码应该怎么做优化？

新入门做的一个爬取文段程序，代码看起来比较臃肿，请问有没有什么好的建议呢？另外我准备在for循环末尾把数据插入mysql数据库，这样做好吗，还是说再弄一个for循环，第一个for循环把数据存进二维列表里，第二个循环再逐条...

From [Pythondiscussion group] 2016-11-08 15:42:09 0  1  923

用python 读取linux /etc/dhcp/dhcpd.conf中的网段信息

目前需要使用python读取linux /etc/dhcp/dhcpd.conf中的网段信息shared-network "192.168.31.247" {  &nbs...

From [Pythondiscussion group] 2016-10-24 11:53:45 0  1  923

python - scrapy cannot crawl data and cannot create txt files

(www.sf.gg) is China's leading developer technology community. We hope to provide a pure, high-quality technic...

From [Pythondiscussion group] 2017-06-12 09:21:48 0  4  922

python - flask+ajax post 400 error

Form code {code...} ajax code: {code...} python code {code...} After I click submit, it jumps to /tpush/pl Tip...

From [Pythondiscussion group] 2017-05-18 10:46:36 0  1  922