<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[程序人生]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/java_hql</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; java_hql]]></copyright><item><title><![CDATA[Hibernate注解]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83853462</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83853462</guid><author>java_hql</author><pubDate>Thu, 10 Mar 2011 17:10:00 +0800</pubDate><description><![CDATA[/**   
*    
* @author liuguangyi   
* @content ejb3注解的API定义在javax.persistence.*包里面。   
*    
* 注释说明：   
* @Entity —— 将一个类声明为一个实体bean(即一个持久化POJO类)   
* @Id —— 注解声明了该实体bean的标识属性（对应表中的主键）。   
* ...]]></description><category></category></item><item><title><![CDATA[hibernate的2个异常]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83853300</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83853300</guid><author>java_hql</author><pubDate>Thu, 10 Mar 2011 14:21:45 +0800</pubDate><description><![CDATA[1：Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect)


2：Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): 

]]></description><category></category></item><item><title><![CDATA[List于数组转化的陷进]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83842720</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83842720</guid><author>java_hql</author><pubDate>Mon, 21 Feb 2011 13:23:01 +0800</pubDate><description><![CDATA[例：
Sring s= new String[]{&quot;a&quot;,&quot;b&quot;,&quot;c&quot;};
List a= Arrays.asList(s);
a.remove(0);

以上代码会抛出错误。

改为：
List a= new ArrayList(Arrays.asList(s));
a.remove(0);

例：
List list = new ArrayList();
list....]]></description><category></category></item><item><title><![CDATA[图片处理类]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83816212</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83816212</guid><author>java_hql</author><pubDate>Mon, 24 Jan 2011 16:17:48 +0800</pubDate><description><![CDATA[public class ImgHandle{

  private Picture oldpicture;
  private Picture newpicture;

  private ImageFilter imageFilter=new ImageFilter();
  private FileDeal fd=new FileDeal();

  public void ...]]></description><category></category></item><item><title><![CDATA[放假了]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83814148</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83814148</guid><author>java_hql</author><pubDate>Wed, 19 Jan 2011 15:47:22 +0800</pubDate><description><![CDATA[虽然开通博客有段时间了，也发布了一些文章，虽然转载的占大多数。自己动手的写的大多都半路夭折，在过年放假期间一定全部补上，也算是对自己这段时间的总结。...]]></description><category></category></item><item><title><![CDATA[Jlive学习笔记（一）]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83814146</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83814146</guid><author>java_hql</author><pubDate>Wed, 19 Jan 2011 15:45:04 +0800</pubDate><description><![CDATA[  最近闲来无聊，找来Jlive源码进行赏析。本人水平有限，只是对自己觉的有益的内容做一些记录和摘要，希望对自己在OO编程思想上能有一点点的提高。...]]></description><category></category></item><item><title><![CDATA[mina 编码解码器的探讨]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83796923</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83796923</guid><author>java_hql</author><pubDate>Wed, 15 Dec 2010 17:16:00 +0800</pubDate><description><![CDATA[最近通过mina框架进行TCP协议通信。 客户端通过socket工具软件输入文本信息后，发送上来有session建立，但是没有收到的数据。检查了很久。发现是客户端发送数据没有输入回车符 。寻思很久。发现是mina解码编码器的问题。
这里有三种常用的方式来将一系列的字节流区分为一个个消息对象.
第一:使用固定长度的消息.
第二:使用固定长度的消息头并且标识消息主体的长度.
第三:使用分隔符,...]]></description><category></category></item><item><title><![CDATA[java mina通信框架使用]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83773924</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83773924</guid><author>java_hql</author><pubDate>Fri, 03 Dec 2010 18:17:07 +0800</pubDate><description><![CDATA[一,服务端
1.起一个tcpServer
2.编写处理类，该类处理业务逻辑
3.设置过滤器链
4.绑定端口

         NioSocketAcceptor acceptor = new NioSocketAcceptor();
        DefaultIoFilterChainBuilder chain = acceptor.getFilterChain();
   ...]]></description><category></category></item><item><title><![CDATA[十六进制与字符串的转换]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83773541</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83773541</guid><author>java_hql</author><pubDate>Fri, 03 Dec 2010 11:02:05 +0800</pubDate><description><![CDATA[   系统平台作为上位机，连接下位机后，通过发送指令与模块进行通信。一个模块有8路开关
如图：
X7    X6    X5    X4    X3     X2  X1  X0
0/1  0/1   0/1    0/1   0/1   0/1  0/1  0/1

0/1代表打开，关闭
比如 00000000 代表全开
11111111 代表全关 

需求：当下位机全开，会发...]]></description><category></category></item><item><title><![CDATA[Apache2.2和Tomcat6整合]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83768303</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83768303</guid><author>java_hql</author><pubDate>Mon, 22 Nov 2010 09:14:24 +0800</pubDate><description><![CDATA[Apache2.2和Tomcat6整合
　　Apache和Tomcat同是Apache基金会下面的两个项目。
　　一个是HTTP WEB服务器，另一个是servlet容器（servlet container），最新的6.0.X系列实现Servlet 2.4/JSP 2.0Spec。在我们生产的环境中，往往需要Apache做前端服务器，Tomcat做后端服务器。此时我们就需要一个连接器，这个连接...]]></description><category></category></item><item><title><![CDATA[javascript的一些关于数组的操作]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83767204</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83767204</guid><author>java_hql</author><pubDate>Fri, 19 Nov 2010 14:19:53 +0800</pubDate><description><![CDATA[1.去除数组中的重复元素
function unique(arr){
	var len = arr.length;
	for(var i=len-1;i&gt;=1;i--){        
		if(arr[i-1] == arr[i]){     
                    arr.splice(i,1);//splice（）方法的			 }   
		 }
	 ret...]]></description><category></category></item><item><title><![CDATA[最近遇到的一些异常]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83766349</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83766349</guid><author>java_hql</author><pubDate>Thu, 18 Nov 2010 10:05:36 +0800</pubDate><description><![CDATA[1.java.lang.IncompatibleClassChangeError:
 class org.hibernate.cfg.ExtendedMappings has interface org.hibernate.cfg.Mappings as super class
（hibernate3.5中的hibernate3.0包，已经包涵了hibernate-annotations,hi...]]></description><category></category></item><item><title><![CDATA[JAVA日历的实现]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83766217</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83766217</guid><author>java_hql</author><pubDate>Wed, 17 Nov 2010 21:37:45 +0800</pubDate><description><![CDATA[最近正在开发的路灯监控项目，需要制定路灯开关的执行计划。初步设计三种执行方案：按照工作日/非工作日，国定假日，自定义三种方式。在制定计划后，要能根据三种方式定义的日期生成日历，并且能够在预览界面显示每天的执行时段，并且能进行维护。

日期对象：
public DayStatus{
         private boolean have_config;//是否计划配置日期
	priva...]]></description><category></category></item><item><title><![CDATA[JAVA日期操作]]></title><link>https://blog.youkuaiyun.com/java_hql/article/details/83765950</link><guid>https://blog.youkuaiyun.com/java_hql/article/details/83765950</guid><author>java_hql</author><pubDate>Wed, 17 Nov 2010 14:42:21 +0800</pubDate><description><![CDATA[	/**
	 * 获取当月最大天数
	 * 2010-9-20上午04:51:50
	 * hepeng
	 */
	public static int getCurrentMonthMaxDay(){
		  Calendar a=Calendar.getInstance();
		  a.set(Calendar.DATE, 1);
		  a.roll(Calendar.DA...]]></description><category></category></item></channel></rss>