<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[登高必自卑 行远必自迩 ]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/z45689</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; z45689]]></copyright><item><title><![CDATA[Xshell使用技巧总结]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/78075783</link><guid>https://blog.youkuaiyun.com/z45689/article/details/78075783</guid><author>z45689</author><pubDate>Sun, 24 Sep 2017 11:22:28 +0800</pubDate><description><![CDATA[工欲善其事必先利其器，本文是一些非常实用的使用技巧~]]></description><category></category></item><item><title><![CDATA[开放-封闭原则（OCP）]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/75893994</link><guid>https://blog.youkuaiyun.com/z45689/article/details/75893994</guid><author>z45689</author><pubDate>Sun, 23 Jul 2017 11:50:50 +0800</pubDate><description><![CDATA[开放-封闭原则。]]></description><category></category></item><item><title><![CDATA[面向对象设计原则]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/75717013</link><guid>https://blog.youkuaiyun.com/z45689/article/details/75717013</guid><author>z45689</author><pubDate>Sat, 22 Jul 2017 11:57:20 +0800</pubDate><description><![CDATA[面向对象设计原则。]]></description><category></category></item><item><title><![CDATA[单一职责原则（SRP）]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/75685971</link><guid>https://blog.youkuaiyun.com/z45689/article/details/75685971</guid><author>z45689</author><pubDate>Sat, 22 Jul 2017 11:03:33 +0800</pubDate><description><![CDATA[单一职责原则。]]></description><category></category></item><item><title><![CDATA[MySQL HA]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/75217763</link><guid>https://blog.youkuaiyun.com/z45689/article/details/75217763</guid><author>z45689</author><pubDate>Mon, 17 Jul 2017 10:22:33 +0800</pubDate><description><![CDATA[从MySQL服务高和数据服务中间件Mycat高可用两方面进行阐述。]]></description><category></category></item><item><title><![CDATA[Given-When-Then]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/75213057</link><guid>https://blog.youkuaiyun.com/z45689/article/details/75213057</guid><author>z45689</author><pubDate>Sun, 16 Jul 2017 23:36:42 +0800</pubDate><description><![CDATA[Given-When-Then]]></description><category></category></item><item><title><![CDATA[Hadoop安全]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/74841402</link><guid>https://blog.youkuaiyun.com/z45689/article/details/74841402</guid><author>z45689</author><pubDate>Sat, 08 Jul 2017 18:42:14 +0800</pubDate><description><![CDATA[Hadoop集群搭建之初默认信任操作系统的认证结果，几乎没有任何安全措施，存在安全风险，本博文简单介绍一些Hadoop安全方案。]]></description><category></category></item><item><title><![CDATA[Hadoop HA]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/74798613</link><guid>https://blog.youkuaiyun.com/z45689/article/details/74798613</guid><author>z45689</author><pubDate>Sat, 08 Jul 2017 17:32:45 +0800</pubDate><description><![CDATA[本博文从HDFS HA和YARN HA两方面对Hadoop高可用进行讨论。]]></description><category></category></item><item><title><![CDATA[Hadoop 2.0生态圈技术简介]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/74789085</link><guid>https://blog.youkuaiyun.com/z45689/article/details/74789085</guid><author>z45689</author><pubDate>Sat, 08 Jul 2017 13:03:21 +0800</pubDate><description><![CDATA[本博文主要对开源分布式文件存储及处理框架Hadoop，以及其生态圈中的Zookeeper，Habase，Hive项目进行介绍。]]></description><category></category></item><item><title><![CDATA[Kettle安装使用教程（未完待续）]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/72520398</link><guid>https://blog.youkuaiyun.com/z45689/article/details/72520398</guid><author>z45689</author><pubDate>Sat, 08 Jul 2017 11:52:16 +0800</pubDate><description><![CDATA[Kettle是一款使用Java编写的开源ETL工具，本文简单介绍Kettle的安装使用教程。]]></description><category></category></item><item><title><![CDATA[存储基础：DAS/NAS/SAN存储类型及应用]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/72460989</link><guid>https://blog.youkuaiyun.com/z45689/article/details/72460989</guid><author>z45689</author><pubDate>Thu, 18 May 2017 11:50:18 +0800</pubDate><description><![CDATA[一、硬盘接口类型1. 并行接口还是串行接口  (1) 并行接口，指的是并行传输的接口，比如有0~9十个数字，用10条传输线，那么每根线只需要传输一位数字，即可完成。 
从理论上看，并行传输效率很高，但是由于线路上的物理原因，它的传输频率不能太高，所以实际的传输速度并不和并行度成正比，甚至可能更差。 
  (2) 串行接口，指的是串行传输的接口，同样是0~9十个数字，用1条传输线，那么需要传输10次，]]></description><category></category></item><item><title><![CDATA[负载均衡以及四层和七层负载均衡的区别]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/72458260</link><guid>https://blog.youkuaiyun.com/z45689/article/details/72458260</guid><author>z45689</author><pubDate>Thu, 18 May 2017 10:35:44 +0800</pubDate><description><![CDATA[负载均衡（Load Balance）建立在现有网络结构之上，它提供了一种廉价有效透明的方法扩展网络设备和服务器的带宽、增加吞吐量、加强网络数据处理能力、提高网络的灵活性和可用性。 
  负载均衡有两方面的含义：首先，大量的并发访问或数据流量分担到多台节点设备上分别处理，减少用户等待响应的时间；其次，单个重负载的运算分担到多台节点设备上做并行处理，每个节点设备处理结束后，将结果汇总，返回给用户，系统处]]></description><category></category></item><item><title><![CDATA[数据库连接池与com.mysql.jdbc.exceptions.jdbc4.CommunicationsException异常]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/70313416</link><guid>https://blog.youkuaiyun.com/z45689/article/details/70313416</guid><author>z45689</author><pubDate>Thu, 04 May 2017 16:33:34 +0800</pubDate><description><![CDATA[数据库连接池与com.mysql.jdbc.exceptions.jdbc4.CommunicationsException异常解决]]></description><category></category></item><item><title><![CDATA[Java中使用正则表达式简化编程]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/70767407</link><guid>https://blog.youkuaiyun.com/z45689/article/details/70767407</guid><author>z45689</author><pubDate>Sat, 29 Apr 2017 17:09:38 +0800</pubDate><description><![CDATA[本博文回顾RegEx的一些基础知识，然后详细介绍并举例java.util.regex包下Pattern类、Matcher类用法，以及String类中与RegEx相关的方法和用法，最后给出开篇题目以及2017年阿里实习生招聘笔试题中第一个编程题的正则表达式代码。]]></description><category></category></item><item><title><![CDATA[使用Tomcat j_security_check实现用户登录、注销功能]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/70284343</link><guid>https://blog.youkuaiyun.com/z45689/article/details/70284343</guid><author>z45689</author><pubDate>Thu, 20 Apr 2017 22:25:47 +0800</pubDate><description><![CDATA[本文使用Tomcat容器自身的访问控制机制实现简单用户身份认证和访问授权。]]></description><category></category></item><item><title><![CDATA[Centos7安装Eclipse报错： Could not load SWT library以及No more handles [gtk_init_check() failed]]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/70162391</link><guid>https://blog.youkuaiyun.com/z45689/article/details/70162391</guid><author>z45689</author><pubDate>Fri, 14 Apr 2017 10:33:52 +0800</pubDate><description><![CDATA[Centos7中安装eclipse报错：
org.eclipse.m2e.logback.configuration: The org.eclipse.m2e.logback.configuration bundle was activated before the state location was initialized.  Will retry after the state locat]]></description><category></category></item><item><title><![CDATA[Notepad++及实用插件安装]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/57493338</link><guid>https://blog.youkuaiyun.com/z45689/article/details/57493338</guid><author>z45689</author><pubDate>Wed, 12 Apr 2017 17:17:04 +0800</pubDate><description><![CDATA[推荐官网下载Nodepad++7.3.3 32-bit版本，本人优快云上安装包下载地址，包含32位和64位exe的压缩包。笔者电脑64位，所以一开始安装的64位exe，完成后发现没有Plugin Manager，如下图所示，插件不好管理，遂安装32位。  安装完成后，运行Notepad++，点击菜单插件(P)->Plugin Manager->Show Plugin Manager进入插件管理器，]]></description><category></category></item><item><title><![CDATA[settings.xml详解]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/54964852</link><guid>https://blog.youkuaiyun.com/z45689/article/details/54964852</guid><author>z45689</author><pubDate>Fri, 10 Feb 2017 10:58:11 +0800</pubDate><description><![CDATA[介绍概述  settings.xml文件中的<settings>包含一系列用于配置Maven执行方式的元素，如本地仓库位置、远程仓库服务器和身份验证信息等，类似pom.xml，但不捆绑到任何特定项目，或分发给受众。 
  settings.xml文件一般位于以下两个位置：
${maven.home}/conf/settings.xml
${user.home}/.m2/settings.xml（没有]]></description><category></category></item><item><title><![CDATA[java.sql.SQLException: Lock wait timeout exceeded]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/54564646</link><guid>https://blog.youkuaiyun.com/z45689/article/details/54564646</guid><author>z45689</author><pubDate>Sun, 15 Jan 2017 21:10:27 +0800</pubDate><description><![CDATA[java.sql.SQLException: Lock wait timeout exceeded异常分析及解决]]></description><category></category></item><item><title><![CDATA[AJAX跨域总结]]></title><link>https://blog.youkuaiyun.com/z45689/article/details/54564617</link><guid>https://blog.youkuaiyun.com/z45689/article/details/54564617</guid><author>z45689</author><pubDate>Sun, 15 Jan 2017 21:05:09 +0800</pubDate><description><![CDATA[摘要: 没有多么高深，就是沉淀些东西– –2016/08/某天自oschina blog 
  蚂蚁金服的实习即将结束，将知识总结一下。 
  我们这个项目前端使用antD，antD是采用React封装的一套组件库，目前开源http://ant.design/，所有组件都是拿来即用，大大缩短了开发周期，强烈推荐。React是单页面应用，通过ajax与后台通信，而antD调试部署在8000端口，后台又]]></description><category></category></item></channel></rss>