<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dearfellow的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dearfellow</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dearfellow]]></copyright><item><title><![CDATA[[转发]码农们要小心了, 东南亚等你上钩....]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/89330813</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/89330813</guid><author>dearfellow</author><pubDate>Tue, 16 Apr 2019 12:06:24 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[selenium 简易教程]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/53302934</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/53302934</guid><author>dearfellow</author><pubDate>Wed, 23 Nov 2016 11:42:40 +0800</pubDate><description><![CDATA[1, 选择java版本选selenium版本
java1.7 选 2.44
java1.8 选择 2.5--3.0


官网不行了, 找淘宝镜像下载
http://npm.taobao.org/mirrors/selenium 从这个网址找到最新的 selenium版本下载



2, 根据库选装firefox
【Selenium】   -> 【FireFox】
   2.]]></description><category></category></item><item><title><![CDATA[selenium对应firefox版本号]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/53302763</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/53302763</guid><author>dearfellow</author><pubDate>Wed, 23 Nov 2016 11:29:41 +0800</pubDate><description><![CDATA[【Selenium】   -> 【FireFox】

       2.25.0        ->  18
       2.30.0        ->  19
       2.31.0        ->  20
       2.42.2        ->  29
       2.44.0        ->  33 (不支持31,2014/12/1)
selenium-java-2]]></description><category></category></item><item><title><![CDATA[centOS安装phantomjs]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52638747</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52638747</guid><author>dearfellow</author><pubDate>Fri, 23 Sep 2016 15:25:26 +0800</pubDate><description><![CDATA[centOS安装phantomjs



wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.8-linux-i686.tar.bz2
tar jxvf phantomjs-1.9.8-linux-i686.tar.bz2
mv phantomjs-1.9.8-linux-i686 /usr/local/]]></description><category></category></item><item><title><![CDATA[python 手动安装 lxml包]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52636074</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52636074</guid><author>dearfellow</author><pubDate>Fri, 23 Sep 2016 11:16:38 +0800</pubDate><description><![CDATA[手动安装 lxml包



去http://pypi.python.org/simple/lxml/，下载win7
 x64的(注意下载对应你系统版本)：]]></description><category></category></item><item><title><![CDATA[Java中byte相加的问题.]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52624063</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52624063</guid><author>dearfellow</author><pubDate>Thu, 22 Sep 2016 16:08:22 +0800</pubDate><description><![CDATA[代码片段： 







1

2

3

4

5




byte

b1=1,b2=2,b3,b6; 

final

byte 
b4=4,b5=6; 

b6=b4+b5; 

b3=(b1+b2); 

System.out.println(b3+b6);








关于上面代码片段叙述正确的]]></description><category></category></item><item><title><![CDATA[Java thread中对异常的处理策略]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52593895</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52593895</guid><author>dearfellow</author><pubDate>Tue, 20 Sep 2016 11:03:52 +0800</pubDate><description><![CDATA[前言

    想讨论这个话题有一段时间了。记得几年前的时候去面试，有人就问过我一个类似的问题。就是java thread中对于异常的处理情况。由于java thread本身牵涉到并发、锁等相关的问题已经够复杂了。再加上异常处理这些东西，使得它更加特殊。 概括起来，不外乎是三个主要的问题。1. 在java启动的线程里可以抛出异常吗？ 2. 在启动的线程里可以捕捉异常吗？ 3. 如果可以捕捉异常]]></description><category></category></item><item><title><![CDATA[乐视秒杀：每秒十万笔交易的数据架构解读]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52593795</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52593795</guid><author>dearfellow</author><pubDate>Tue, 20 Sep 2016 10:55:51 +0800</pubDate><description><![CDATA[随着乐视硬件抢购的不断升级，乐视集团支付面临的请求压力百倍乃至千倍的暴增。作为商品购买的最后一环，保证用户快速稳定地完成支付尤为重要。所以在2015年11月，我们对整个支付系统进行了全面的架构升级，使之具备了每秒稳定处理10万订单的能力。为乐视生态各种形式的抢购秒杀活动提供了强有力的支撑。

 
一. 分库分表  

 

在redis，memcached等缓存系统盛行的互联网时代，]]></description><category></category></item><item><title><![CDATA[MySQL索引原理及慢查询优化]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52593357</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52593357</guid><author>dearfellow</author><pubDate>Tue, 20 Sep 2016 10:21:42 +0800</pubDate><description><![CDATA[MySQL凭借着出色的性能、低廉的成本、丰富的资源，已经成为绝大多数互联网公司的首选关系型数据库。虽然性能出色，但所谓“好马配好鞍”，如何能够更好的使用它，已经成为开发工程师的必修课，我们经常会从职位描述上看到诸如“精通MySQL”、“SQL语句优化”、“了解数据库原理”等要求。我们知道一般的应用系统，读写比例在10:1左右，而且插入操作和一般的更新操作很少出现性能问题，遇到最多的，也是最容易出问]]></description><category></category></item><item><title><![CDATA[使用SPRING中的线程池ThreadPoolTaskExecutor并且得到任务执行的结果]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52592699</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52592699</guid><author>dearfellow</author><pubDate>Tue, 20 Sep 2016 09:13:38 +0800</pubDate><description><![CDATA[XML配置
<bean id="threadPoolTaskExecutor"
		class="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor">

		
		

		
		

		=notifyScheduledMainExecutor.maxNum；默认为Integer.MAX_VALUE 
			 -->
]]></description><category></category></item><item><title><![CDATA[JAVA基础面试题-String]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/52302856</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/52302856</guid><author>dearfellow</author><pubDate>Wed, 24 Aug 2016 18:00:52 +0800</pubDate><description><![CDATA[转自：http://jingbo2759.blog.163.com/blog/static/98375315200971731522144/

      http://jingbo2759.blog.163.com/blog/#m=0

      JAVA基础面试题

 

 

字符串对象是一种特殊的对象.String类是一个不可变的类..也就说,String对象一旦创建]]></description><category></category></item><item><title><![CDATA[JavaScript跨域总结与解决办法]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/50194053</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/50194053</guid><author>dearfellow</author><pubDate>Sun, 06 Dec 2015 12:12:13 +0800</pubDate><description><![CDATA[JavaScript跨域总结与解决办法





什么是跨域1、document.domain+iframe的设置2、动态创建script3、利用iframe和location.hash4、window.name实现的跨域数据传输5、使用HTML5
 postMessage6、利用flash


本文来自网络（http://f2e.me/200904/cross-scripti]]></description><category></category></item><item><title><![CDATA[@Override must override a superclass method 问题解决]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/50175787</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/50175787</guid><author>dearfellow</author><pubDate>Fri, 04 Dec 2015 15:35:06 +0800</pubDate><description><![CDATA[@Override must override a superclass method 问题解决

如果在使用Eclipse开发Java项目时，在使用 @Override 出现以下错误：
The method *** of type *** must override a superclass method

主要是因为你的Compiler是jdk5,(5不支持@Override等形式的]]></description><category></category></item><item><title><![CDATA[git clone: SSL certificate problem: unable to get local issuer certificate]]></title><link>https://blog.youkuaiyun.com/dearfellow/article/details/50175425</link><guid>https://blog.youkuaiyun.com/dearfellow/article/details/50175425</guid><author>dearfellow</author><pubDate>Fri, 04 Dec 2015 15:12:56 +0800</pubDate><description><![CDATA[因为国内特殊的网络环境，所以用github for windows，在使用git shell的clone命令是会出现这样的情况


git clone https://code.google.com/p/android-os-monitor.osmonitor/ Cloning into android-os-monitor.osmonitor...

error: Unknown SS]]></description><category></category></item></channel></rss>