<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hizon1502的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hizon1502</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hizon1502]]></copyright><item><title><![CDATA[Python通用函数用法]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/105467056</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/105467056</guid><author>hizon1502</author><pubDate>Sun, 12 Apr 2020 12:01:24 +0800</pubDate><description><![CDATA[1.绘图可视化显示函数

plt.show（）


# 随机漫步示例

import random
import matplotlib.pyplot as plt

position = 0
walk = [position]
steps = 10000
for i in range(steps):
    step = i if random.randint(0, 1) else -1
    ...]]></description><category></category></item><item><title><![CDATA[机架式交换简介]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/105122442</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/105122442</guid><author>hizon1502</author><pubDate>Thu, 26 Mar 2020 17:23:17 +0800</pubDate><description><![CDATA[机架式交换机是一种插槽式的交换机，这种交换机扩展性较好，可支持不同的网络类型，如以太网、快速以太网、千兆以太网、ATM、令牌环及FDDI等，但价格较贵，高端交换机有不少采用机架式结构。

　　堆叠式交换机是一种类型的交换机。根据设计，这种交换机可以一台叠放在另一台的上面。这种交换机与机架式交换机不同，可以放置在 网络机柜 中，也可以单独摆放。堆叠式交换机的功能根据厂商和平台的不同而...]]></description><category></category></item><item><title><![CDATA[Pycharm解决txt读写中文乱码问题]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/104665172</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/104665172</guid><author>hizon1502</author><pubDate>Wed, 04 Mar 2020 23:13:31 +0800</pubDate><description><![CDATA[关键点有二：
1、代码开头
2、encoding='utf-8'说明

#!/usr/bin/python
# -*- coding: utf-8 -*-

2、open()、read()的encoding='utf-8'说明


special_path='D:\\PythonExercises\\hello.txt'
#open(path,'w',encoding='utf-8')
add...]]></description><category></category></item><item><title><![CDATA[pycharm如何快速安装对应模块]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/104577884</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/104577884</guid><author>hizon1502</author><pubDate>Sat, 29 Feb 2020 17:25:08 +0800</pubDate><description><![CDATA[https://jingyan.baidu.com/article/0f5fb099a6e9672c8334eae9.html链接
]]></description><category></category></item><item><title><![CDATA[异常处理try except]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/103759154</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/103759154</guid><author>hizon1502</author><pubDate>Sun, 29 Dec 2019 22:54:52 +0800</pubDate><description><![CDATA[1.【异常处理try/except】


（语法）
try:
&lt;语句&gt;        #运行别的代码
except &lt;名字&gt;：
&lt;语句&gt;        #如果在try部份引发了'name'异常
except &lt;名字&gt;，&lt;数据&gt;:
&lt;语句&gt;        #如果引发了'name'异常，获得附加的数据
else:
&lt;语句&g...]]></description><category></category></item><item><title><![CDATA[使用yum命令报错File "/usr/bin/yum", line 30 except KeyboardInterrupt, e:]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/100050246</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/100050246</guid><author>hizon1502</author><pubDate>Sat, 24 Aug 2019 10:55:21 +0800</pubDate><description><![CDATA[https://blog.youkuaiyun.com/zsl10/article/details/52315319



问题出现原因：
yum包管理是使用python2.x写的，将python2.x升级到python3.7.2以后，由于python版本语法兼容性导致问题出现

【解决办法】

1.修改yum配置文件，将python版本指向以前的旧版本

# vi /usr/bin/yum
#!/u...]]></description><category></category></item><item><title><![CDATA[Linux数据库mysql登录及操作]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/100050196</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/100050196</guid><author>hizon1502</author><pubDate>Sat, 24 Aug 2019 10:52:53 +0800</pubDate><description><![CDATA[【1.登录】
mysql -u用户名 -p回车后输入密码

【2.退出】

exit 或者 quit或者 \q 

常用命令

mysqladmin -u用户名 -p旧密码 password新密码用来修改用户密码

showdatabases； ...]]></description><category></category></item><item><title><![CDATA[E45 ‘readnoly’ option is set解决办法]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/100049894</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/100049894</guid><author>hizon1502</author><pubDate>Sat, 24 Aug 2019 10:33:59 +0800</pubDate><description><![CDATA[vi /usr/bin/yum 保存修改时出现 “readonly option is set”



方法一 强行修改

改用

sudo vi /usr/bin/yum编辑

:wq! 保存退出即可
]]></description><category></category></item><item><title><![CDATA[post与后端django数据交互]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/98486712</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/98486712</guid><author>hizon1502</author><pubDate>Mon, 05 Aug 2019 14:41:30 +0800</pubDate><description><![CDATA[参考办法：

https://blog.youkuaiyun.com/qq_41000891/article/details/82902294



【前端】

loginsubmit(){
 console.log(this.UserName+this.UserPwd);
 axios.post("http://localhost:8000/baseapi/login",{
   user...]]></description><category></category></item><item><title><![CDATA[vue与django连接的关键配置]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/98474729</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/98474729</guid><author>hizon1502</author><pubDate>Sun, 04 Aug 2019 21:34:11 +0800</pubDate><description><![CDATA[前端：

Navigation.vue配置url路径


this.$axios({
  method: "post",
  url: "http://127.0.0.1:8000/Data_action/",


后端：

1.urls.py

from django.contrib import admin
from django.urls import path
from django.vi...]]></description><category></category></item><item><title><![CDATA[错误403 "CSRF token missing or incorrect."的解决方法]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/98474421</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/98474421</guid><author>hizon1502</author><pubDate>Sun, 04 Aug 2019 21:13:42 +0800</pubDate><description><![CDATA[原文链接转载

https://blog.youkuaiyun.com/chen_jint/article/details/12956797



采用方法1：注释掉django工程settings.py中

#'django.middleware.csrf.CsrfViewMiddleware'
]]></description><category></category></item><item><title><![CDATA[django调用vue没有static文件夹]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/96722758</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/96722758</guid><author>hizon1502</author><pubDate>Sun, 21 Jul 2019 15:01:45 +0800</pubDate><description><![CDATA[解决VUE项目打包（npm run build）不能在dist文件夹 生成static文件夹的问题！！！

参考链接：

1：https://www.cnblogs.com/semishigure/p/10219408.html

2.https://blog.youkuaiyun.com/a1026656277/article/details/89641184
...]]></description><category></category></item><item><title><![CDATA[node安装后的设置(node_global和node_cache)及易错点]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/96591793</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/96591793</guid><author>hizon1502</author><pubDate>Sat, 20 Jul 2019 14:51:16 +0800</pubDate><description><![CDATA[1.配置方法见转载：

https://blog.youkuaiyun.com/scorpio_meng/article/details/83314675



2.运行npm install express -g 报错如下：

Unhandled rejection Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\...]]></description><category></category></item><item><title><![CDATA[格式化写入字符串]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/96577288</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/96577288</guid><author>hizon1502</author><pubDate>Sat, 20 Jul 2019 12:18:22 +0800</pubDate><description><![CDATA[1.单引号，在python中的使用：


&gt;&gt;&gt; b= "hahahaha"
&gt;&gt;&gt; print("bejingngg'%s' ss" %(b))
bejingngg'hahahaha' ss


2.格式化写入int

&gt;&gt;&gt; a=111
&gt;&gt;&gt; print("bejingngg %d" %(a))
bejingngg 1...]]></description><category></category></item><item><title><![CDATA[Django创建HTML页面跳转]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/95864768</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/95864768</guid><author>hizon1502</author><pubDate>Sun, 14 Jul 2019 10:52:43 +0800</pubDate><description><![CDATA[关键函数：HttpResponseRedirect

第一步：新建html（eg：login.html），并放置如下路径：

项目对应的放置在...\sign\Templates文件夹下

第二步：urls.py配置login.html路径

urlpatterns = [
  path('login/',views.login),#添加index/路径配置
]

第三步：views.py定义...]]></description><category></category></item><item><title><![CDATA[Django 无法加载静态文件（js,css,image）解决办法]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/95799507</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/95799507</guid><author>hizon1502</author><pubDate>Sat, 13 Jul 2019 22:22:24 +0800</pubDate><description><![CDATA[找遍网页十几种方法，最终通过不断配置验证，最终实现Django对静态文件（js,css,image）的加载。

具体总结如下，按照四步走，问题得以解决！！！

一、第一步文件放置

如下图所示：在项目文件夹新建static文件夹；

并新建css、img、js文件夹依次存放对应文件。



二、第二步settings.py配置



# Static files (CSS, JavaScript,...]]></description><category></category></item><item><title><![CDATA[python连接非本地Localhost数据库]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/95459739</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/95459739</guid><author>hizon1502</author><pubDate>Thu, 11 Jul 2019 11:25:27 +0800</pubDate><description><![CDATA[#注意是MySQLdb的大小写
#!/usr/bin/python3
import MySQLdb
#***********************实例1查询数据库版本*************************
db = MySQLdb.connect( 
     host='*******',#IP地址
     po...]]></description><category></category></item><item><title><![CDATA[C#项目文件格式说明]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/92830566</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/92830566</guid><author>hizon1502</author><pubDate>Wed, 19 Jun 2019 14:26:33 +0800</pubDate><description><![CDATA[1、sln:solusion 解决方案
csproj:c sharp project C#项目


2、解决方案是项目的集合,项目是文件的集合；一个sln中可以包含多个csproj。一个csproj可以包含多个文件；csproj可以作为单独的项目运行，也可以在sln中添加csproj统一管理。


3、sln和csproj都可以双击运行，如果解决方案中只有一个项目那么两个方式是没有区别的；
但...]]></description><category></category></item><item><title><![CDATA[类中出错takes no arguments]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/92803402</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/92803402</guid><author>hizon1502</author><pubDate>Wed, 19 Jun 2019 09:23:20 +0800</pubDate><description><![CDATA[一、报错描述

TypeError: Restaurant() takes no arguments

二、出错根因：

__init__是一种特殊的方法，易错点：

1. "__"为双下划线，而非单下划线"_";

2. "init"的拼写。

附上源码：

class Restaurant():
 """餐馆的简单描述"""
 
 def __init__(self,rest...]]></description><category></category></item><item><title><![CDATA[python3.7下安装MySQL-python模块]]></title><link>https://blog.youkuaiyun.com/hizon1502/article/details/90754891</link><guid>https://blog.youkuaiyun.com/hizon1502/article/details/90754891</guid><author>hizon1502</author><pubDate>Mon, 03 Jun 2019 16:53:25 +0800</pubDate><description><![CDATA[1.Mysql驱动:

eg:mysql-connector-odbc-5.1.5-win32.msi

2.Python安装模块

Python2.x 版本要安装mysql-python，而Python3.x版本要安装mysqlclient ！

具体操作如链接：

https://blog.youkuaiyun.com/weixin_40947719/article/details/8632307...]]></description><category></category></item></channel></rss>