<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hcq908的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hcq908</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hcq908]]></copyright><item><title><![CDATA[求公共子串数量]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/131820197</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/131820197</guid><author>hcq908</author><pubDate>Wed, 19 Jul 2023 23:48:30 +0800</pubDate><description><![CDATA[Problem - 5791]]></description><category></category></item><item><title><![CDATA[Django应用mysql数据库]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/76026575</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/76026575</guid><author>hcq908</author><pubDate>Mon, 24 Jul 2017 16:46:57 +0800</pubDate><description><![CDATA[应用MySQL数据库，用pymysql的设置方法
修改 settings.py中数据库的设置：
DATABASES = {
  'default': {
      'ENGINE': 'django.db.backends.mysql', #数据库引擎 必填
      'NAME': ' ',                      #数据库名 必填
      'USER':]]></description><category></category></item><item><title><![CDATA[python3操作mysql]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/62240555</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/62240555</guid><author>hcq908</author><pubDate>Wed, 15 Mar 2017 22:27:17 +0800</pubDate><description><![CDATA[在python3虚拟环境中安装pymysql，linux系统用 pip pymysql安装。


pymysql提供了python操作mysql的接口函数，pymysql遵守python数据库接口协议，给出了接口函数，如使用execute执行mysql语言。本质还是要学好mysql语音，pymysql的内容很简单。


例子：显示所有数据库。
'''
Created on Mar]]></description><category></category></item><item><title><![CDATA[ubuntu16.04安装mysql]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/60592966</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/60592966</guid><author>hcq908</author><pubDate>Mon, 06 Mar 2017 20:28:56 +0800</pubDate><description><![CDATA[linux系统安装mysql很简单，但是安装后打不开，经过查阅资料发现如下方法可以打开：
sudo apt-get install mysql-server #安装mysql
pip install pymysql #安装Python与mysql的接口
apt-get upgrade #需要跟新后才能打开mysql

su root #进入root权限
cd /usr/bin
./m]]></description><category></category></item><item><title><![CDATA[Python批量下载网页中的表格存储到CSV文件中]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/59189081</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/59189081</guid><author>hcq908</author><pubDate>Wed, 01 Mar 2017 23:04:21 +0800</pubDate><description><![CDATA['''
Created on Feb 28, 2017


@author: hcq908
'''
import csv
import os
# import re
from urllib.request import urlopen
from bs4 import BeautifulSoup


if __name__ == '__main__':
    iCntT]]></description><category></category></item><item><title><![CDATA[Python爬虫下载文档]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/58060406</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/58060406</guid><author>hcq908</author><pubDate>Mon, 27 Feb 2017 13:35:35 +0800</pubDate><description><![CDATA[采用urllib.request.urlretrieve下载文档并显示下载进度：
import urllib
import os
def Schedule(a,b,c):
    '''
    a:已经下载的数据块
    b:数据块的大小
    c:远程文件的大小
   '''
    per = 100.0 * a * b / c
    if per > 100 :]]></description><category></category></item><item><title><![CDATA[Eclipse+PyDev调试Python]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/57477381</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/57477381</guid><author>hcq908</author><pubDate>Sun, 26 Feb 2017 21:10:39 +0800</pubDate><description><![CDATA[出现警告提示信息
warning: Debugger speedups using cython not found. Run '"/usr/bin/python3.5" "/root/.p2/pool/plugins/org.python.pydev_4.5.5.201603221110/pysrc/setup_cython.py" build_ext --inplace' to build.]]></description><category></category></item><item><title><![CDATA[两台笔记本电脑之间实现屏幕扩展]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/54565140</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/54565140</guid><author>hcq908</author><pubDate>Sun, 15 Jan 2017 22:18:23 +0800</pubDate><description><![CDATA[将旧笔记本变费为宝，作为扩展屏幕使用
转载请注明出处, by hcq908 on youkuaiyun.com, 20170105
 闲置的旧笔记拿来做扩展屏正合适。但是笔记本电脑屏幕没有采集口，两台笔记本不能直接用VGA或者HDMI线连接起来实现屏幕扩展。不过还是又免费软件实现这一功能的。
两台笔记本，一台性能较好的为主机，另一台稍差的作为扩展屏机。查了知乎，提到了virtual manager
h]]></description><category></category></item><item><title><![CDATA[Python读取文件]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/54561854</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/54561854</guid><author>hcq908</author><pubDate>Sun, 15 Jan 2017 14:34:24 +0800</pubDate><description><![CDATA[Python中打开文件需要先将当前目录更改到放文件的位置或者打开时，否则找不到文件。
import os

os.getcwd() 显示当前目录



打开文件操作
#coding:utf-8
import os
sPath=r'/home/Henry/work/PythonCode/TxtProcessing'
os.chdir(sPath)
f=open(r".\url]]></description><category></category></item><item><title><![CDATA[ubuntu16.04安装Eclipse，for Python]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/53248020</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/53248020</guid><author>hcq908</author><pubDate>Sun, 20 Nov 2016 23:19:34 +0800</pubDate><description><![CDATA[用shell脚本安装软件，注意格式细节与ubuntu早期版本有区别
echo '\033[0;35;1m*** 解压Eclipse for cpp, start ****\033[0m'
EclForPy3Org=~/Software/eclipse
EclForPy3Path=~/Software/EclipseForPy3
EclForPy2Path=~/Software/Eclips]]></description><category></category></item><item><title><![CDATA[vim]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/53239258</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/53239258</guid><author>hcq908</author><pubDate>Sun, 20 Nov 2016 09:53:20 +0800</pubDate><description><![CDATA[《Linux命令行大全》.William E.shotts

为编写脚本配置vim
语法高亮 :set syntax=sh
搜索结果高亮 :set health
设置tap键生成的空格长度 :set tabstop=4
设置自动缩进，与上一行保持一致 :set autoindent
，停止缩进 Ctrl D]]></description><category></category></item><item><title><![CDATA[linux shell]]></title><link>https://blog.youkuaiyun.com/hcq908/article/details/53224977</link><guid>https://blog.youkuaiyun.com/hcq908/article/details/53224977</guid><author>hcq908</author><pubDate>Sat, 19 Nov 2016 00:03:17 +0800</pubDate><description><![CDATA[阅读 《Linux命令行大全》William E.shotts，编写shell脚本自动执行ubuntu重装后的装机程序。]]></description><category></category></item></channel></rss>