<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hayna的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hayna</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hayna]]></copyright><item><title><![CDATA[python异常处理]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/121315551</link><guid>https://blog.youkuaiyun.com/hayna/article/details/121315551</guid><author>hayna</author><pubDate>Sun, 14 Nov 2021 11:43:50 +0800</pubDate><description><![CDATA[代码片段1
i=0
try:
	   i = i + 1    #i=1
	   print （"try start"）
	   raise Exception()
	   return i   #出现异常后不执行
        
except Exception as error:
       print （'exception：'）
       i+=1    #出现异常后执行到这i=2
       return i
finally:
        print （'finally'）
    ]]></description><category></category></item><item><title><![CDATA[python-日志文件保存和控制台输出]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/120587258</link><guid>https://blog.youkuaiyun.com/hayna/article/details/120587258</guid><author>hayna</author><pubDate>Sat, 02 Oct 2021 16:56:43 +0800</pubDate><description><![CDATA[python-日志文件保存和控制台输出日志保存到文件和控制台
日志保存到文件和控制台
log保存到文件用到 threading模块
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import logging
import os.path
import time

class Log(object):
    # default leve]]></description><category></category></item><item><title><![CDATA[Python常用魔法函数]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/120578126</link><guid>https://blog.youkuaiyun.com/hayna/article/details/120578126</guid><author>hayna</author><pubDate>Fri, 01 Oct 2021 15:31:29 +0800</pubDate><description><![CDATA[魔法函数魔法函数非数学运算类构造函数（__init__）析构函数（__del__）数学运算类
魔法函数
非数学运算类
这个作者写的很好，不赘述了，直接上链接https://zhuanlan.zhihu.com/p/344951719
构造函数（init）
实例化类的时候，会调用构造函数
析构函数（del）
代码执行完成后，调用析构函数释放资源
数学运算类

...]]></description><category></category></item><item><title><![CDATA[Python多继承三种情况]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/120567696</link><guid>https://blog.youkuaiyun.com/hayna/article/details/120567696</guid><author>hayna</author><pubDate>Thu, 30 Sep 2021 18:22:53 +0800</pubDate><description><![CDATA[Python多继承三种情况Case1（继承类都未考虑多继承的情况）Case 2Case 3
Case1（继承类都未考虑多继承的情况）
class Person(object):
    def __init__(self, name):
        self.name = name

class Human(object):
    def __init__(self, sex):
        self.sex = sex

class Student(Person, Human): # 基类都独立]]></description><category></category></item><item><title><![CDATA[Node安装]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/90487093</link><guid>https://blog.youkuaiyun.com/hayna/article/details/90487093</guid><author>hayna</author><pubDate>Thu, 23 May 2019 20:09:02 +0800</pubDate><description><![CDATA[1.wget https://npm.taobao.org/mirrors/node/v8.0.0/node-v8.0.0-linux-x64.tar.xz 

2.
ln -s /home1/irteam/xx/node-v8.9.3-linux-x86/bin/npm /usr/local/bin/

ln -s /home1/irteam/xx/node-v8.9.3-linux-x86/b...]]></description><category></category></item><item><title><![CDATA[python3 scedule]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/88870069</link><guid>https://blog.youkuaiyun.com/hayna/article/details/88870069</guid><author>hayna</author><pubDate>Thu, 28 Mar 2019 15:25:42 +0800</pubDate><description><![CDATA[schedule 模块可以非常方便地实现：周期性地在每天的某个时间点上执行任务：
import schedule
import time
def job():
print(“I’m working…”)
schedule.every(10).minutes.do(job)
schedule.every().hour.do(job)
schedule.every().day.at(“10:30”)....]]></description><category></category></item><item><title><![CDATA[Django配置]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/85786225</link><guid>https://blog.youkuaiyun.com/hayna/article/details/85786225</guid><author>hayna</author><pubDate>Fri, 04 Jan 2019 17:14:05 +0800</pubDate><description><![CDATA[

通过pycharm创建django项目



创建项目 xxx_web
在terminal执行命令


python3 manage.py startapp xxx_web



]]></description><category></category></item><item><title><![CDATA[vue学习]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79040746</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79040746</guid><author>hayna</author><pubDate>Tue, 20 Mar 2018 13:16:47 +0800</pubDate><description><![CDATA[1.安装vue 
https://www.cnblogs.com/qdrw/articles/6380091.html

2.导入项目到IDEA 
3.启动项目 



#npm run dev

4.与后端通信 
安装axios



npm install axios --save-dev


computed 和methods 的区别 
computed ： 计算属性是基于缓存的，只有当相关...]]></description><category></category></item><item><title><![CDATA[2018.03.01 碎碎念]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79414831</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79414831</guid><author>hayna</author><pubDate>Thu, 01 Mar 2018 16:57:34 +0800</pubDate><description><![CDATA[最近一段时间感觉自己缺乏一些热情，所以希望能够给自己来点鸡汤和鸡血。 在搜索资料的时候偶然间发现了李笑来这个人，很多人都说他是个骗子，他是不是骗子我不知道，但是看了一些他说过的话和关于一些写他的文章我觉得这人还是有点思想和前瞻性的。

‘你总觉得有事情很难，那是因为你没有去做或者你去做了但是没有坚持，任何的天分都是可以通过后天的努力来弥补的，并且在努力的过程中你的天分也是可以培养的’ 

几年前他...]]></description><category></category></item><item><title><![CDATA[linux 连接mongodb]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79225451</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79225451</guid><author>hayna</author><pubDate>Thu, 01 Feb 2018 11:00:22 +0800</pubDate><description><![CDATA[# mongo localhost:27017
# show dbs #查看库
# use database #使用库
# show collections #查看表
# db.createCollection("table") # 创建table
# db.CollectionName.drop() #删除表
# db.MyFirstCollection.insert({“_id”:”3”,”t]]></description><category></category></item><item><title><![CDATA[yum 报错解决办法]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79073807</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79073807</guid><author>hayna</author><pubDate>Tue, 16 Jan 2018 13:40:25 +0800</pubDate><description><![CDATA[1.安装python3后yum不能正常使用



# cd /usr/bin
# ls yum* 下的七个文件改为：
 #!/usr/bin/python  改為 #!/usr/bin/python2.7 #python2.7 为以前安装的版本]]></description><category></category></item><item><title><![CDATA[mongodb操作]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79026611</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79026611</guid><author>hayna</author><pubDate>Wed, 10 Jan 2018 17:45:45 +0800</pubDate><description><![CDATA[1.查看linux是否安装mongoDb 
ps aux|grep mongodb2.linux下通过配置文件启动mongodb#mkdir /data/mongo
#vi /data/mongo/mongodb.cnf
    dbpath=/data/mongo/    logpath=/data/mongo/mongo.log    logappend=true    fork=true]]></description><category></category></item><item><title><![CDATA[nodejs接口编写-学习文档]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/79000547</link><guid>https://blog.youkuaiyun.com/hayna/article/details/79000547</guid><author>hayna</author><pubDate>Mon, 08 Jan 2018 10:56:17 +0800</pubDate><description><![CDATA[1.安装nodejs环境 
2.安装IDEA&amp;gt;Setttings&amp;gt;Plugins&amp;gt;nodejs和npm插件 
3.npm install mongodb 
4.npm install monk 
5.创建nodejs工程 
6./public/jacascripts/server.js 
代码来自：https://www.cnblogs.com/skylar/p/express-...]]></description><category></category></item><item><title><![CDATA[Chrome网页设置眼睛保护色]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78812101</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78812101</guid><author>hayna</author><pubDate>Fri, 15 Dec 2017 13:44:46 +0800</pubDate><description><![CDATA[1.打开chrome浏览器2.选择‘更多工具’>‘扩展程序’3.点击‘获取更多扩展程序’4.在搜索框中输入‘保护眼睛’并添加插件5.完成后重启浏览器，可在浏览器右上角查看到如下图标后，设置成功]]></description><category></category></item><item><title><![CDATA[Python 学习笔记]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78687290</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78687290</guid><author>hayna</author><pubDate>Fri, 01 Dec 2017 15:37:52 +0800</pubDate><description><![CDATA[1.python中def __init__(self):的作用？



根据目前我学习python的对init函数的理解是起初始化,参数具有全局变量的的作用.
    ——1201.以后有不同的理解后再更新

2.python中对数组判空



list1=['python','java']
list1.append('C++')#追加节点
if len(list1):
    for i in]]></description><category></category></item><item><title><![CDATA[Windows停止进程]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78657604</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78657604</guid><author>hayna</author><pubDate>Tue, 28 Nov 2017 17:51:11 +0800</pubDate><description><![CDATA[1.netstat -ano 
2.taskkill /pid 端口 /F]]></description><category></category></item><item><title><![CDATA[Django配置]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78600302</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78600302</guid><author>hayna</author><pubDate>Thu, 23 Nov 2017 13:45:31 +0800</pubDate><description><![CDATA[1.启动django服务    python manage.py runserver 0.0.0.0:80002.Django中各文件的作用    1.创建项目
    # django-admin.py startproject Djangoproject
    2.创建APP
    # django-admin.py startapp TestModel(or:python manage.p]]></description><category></category></item><item><title><![CDATA[Python遇到的问题记录！]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78532872</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78532872</guid><author>hayna</author><pubDate>Tue, 14 Nov 2017 17:26:33 +0800</pubDate><description><![CDATA[1.pip安装时出现错误F:\2017\AutoTest\nCloud_autologin_python_package>pip install lxml 
Fatal error in launcher: Unable to create process using ‘”’ 
1 
2 
解决办法检查环境变量是否变更或进行过其他配置 
F:\2017\AutoTest\nCloud_autolog]]></description><category></category></item><item><title><![CDATA[Jenkins配置]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/78487035</link><guid>https://blog.youkuaiyun.com/hayna/article/details/78487035</guid><author>hayna</author><pubDate>Thu, 09 Nov 2017 10:53:15 +0800</pubDate><description><![CDATA[1.安装配置 jdk&tomcat  
解压jdk    #cd /opt/java解压tomcat到    #cd /opt/tomcat修改环境变量#cd /etc/profile或者~/.bashrc文件    export JAVA_HOME=/opt/java/jdk1.7.0_79
    export JRE_HOME=$JAVA_HOME/jre
    export CLASSPA]]></description><category></category></item><item><title><![CDATA[Git命令]]></title><link>https://blog.youkuaiyun.com/hayna/article/details/77877861</link><guid>https://blog.youkuaiyun.com/hayna/article/details/77877861</guid><author>hayna</author><pubDate>Thu, 07 Sep 2017 10:14:03 +0800</pubDate><description><![CDATA[1.查看远程分支



     git branch -a

2.查看本地分支



   git branch

3.创建本地分支



    git branch xxxtest

4 .切换到分支



   git checkout xxxtest

5.删除本地分支



    git branch -d xxxtest

6.将本地分支推到远程分支



    git push...]]></description><category></category></item></channel></rss>