<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[J_Xip的专栏]]></title><description><![CDATA[来自JTU&NCU，专注机器学习-数据挖掘-云计算-高铁安全，希望结识同道和不同道等各方人士]]></description><link>https://blog.youkuaiyun.com/Justin_Xip</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Justin_Xip]]></copyright><item><title><![CDATA[深度学习深度信念网络DBNs—简易详解]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38950305</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38950305</guid><author>Justin_Xip</author><pubDate>Sat, 30 Aug 2014 23:31:44 +0800</pubDate><description><![CDATA[针对实验室同门有些人向我问过DBNs，了解到，他们单单看论文，不能很好的理解DBNs，所有写了下面简易的图解；对一个初学深度神经网络的人，自己再结合理论证明，应该很容易理解这个模型。
参考文献：

[1]Hinton G E, Salakhutdinov R R. Reducing the dimensionality of data with neural networks. Scienc]]></description><category></category></item><item><title><![CDATA[二叉搜索树建立插入及遍历c]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38731601</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38731601</guid><author>Justin_Xip</author><pubDate>Thu, 21 Aug 2014 16:24:31 +0800</pubDate><description><![CDATA[1、正确做法
/**
 * 功能：二叉搜索树
 * author：xjp
 */
typedef struct _NODE{
	int value;
	struct _NODE *left;
	struct _NODE *right;
}NODE;

NODE *insertBST(NODE *BST, int value){
	//新建一个节点
	NODE *tmp = (NODE *)mal]]></description><category></category></item><item><title><![CDATA[建立完全二叉树（对与错）c]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38680235</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38680235</guid><author>Justin_Xip</author><pubDate>Tue, 19 Aug 2014 13:07:38 +0800</pubDate><description><![CDATA[/*
 * 二叉树
 */
typedef struct node1{
	char data;
	struct node1 *lchild, *rchild;
}Bitree;
Bitree *Q[0];
Bitree *creatree(){
	char ch;
	int front, rear;
	Bitree *T, *s;
	T = NULL;
	front = 1; rear = 0;
]]></description><category></category></item><item><title><![CDATA[形如数组1223打印所有不同的组合排列java]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38645813</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38645813</guid><author>Justin_Xip</author><pubDate>Sun, 17 Aug 2014 22:49:51 +0800</pubDate><description><![CDATA[package simple;

public class RecursionQuestion {
	public static void main(String[] args) {
				
		paiLie("", "1223");
		
		
	}
	/**
	 * 功能：1,2,2,3 -->所有排列组合 1223,1322... (循环递归)
	 */
	stat]]></description><category></category></item><item><title><![CDATA[一个字符串中连续出现次数最多的子串Java（2）]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38467957</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38467957</guid><author>Justin_Xip</author><pubDate>Sun, 10 Aug 2014 10:24:24 +0800</pubDate><description><![CDATA[针对网上很多没有求一个字符串中连续出现次数最多的子串通过测试的java代码]]></description><category></category></item><item><title><![CDATA[字符串处理面试题-华为等公司java（1）]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38405481</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38405481</guid><author>Justin_Xip</author><pubDate>Wed, 06 Aug 2014 19:05:35 +0800</pubDate><description><![CDATA[package simple;
import java.util.Scanner;
public class StringDeal {
 public static void main(String[] args) {
  Scanner scann = new Scanner(System.in);
  String s = scann.nextLine();
//  String ]]></description><category></category></item><item><title><![CDATA[指针函数&内存分配 C]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38322229</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38322229</guid><author>Justin_Xip</author><pubDate>Thu, 31 Jul 2014 19:19:46 +0800</pubDate><description><![CDATA[﻿﻿

/**

 *
整数转换成字符串

 *
作者：xjp

 */

char*
NumtoString(int num){

  
int i=0,j=0;

  
char temp[10],str[10];

  
char *p=str;

  
while(num){

     
temp[i]=num%10+'0';
]]></description><category></category></item><item><title><![CDATA[scala语言基础入门(1)]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/38172541</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/38172541</guid><author>Justin_Xip</author><pubDate>Sun, 27 Jul 2014 15:52:42 +0800</pubDate><description><![CDATA[package sacla_test
/*
 * scala几要素：
1.immutable，scala可以创建immutable的对象，这样在并发编程中，可以不需要使用同步，可以不适用互斥。
2. val为immutable对象,var为mutable对象，优先使用val
3.函数式程序(FP)，可以提高代码的简洁度和提高编码的效率，有时候编码也更加简单。
4.基于JVM，编译成字节]]></description><category></category></item><item><title><![CDATA[Clustering by fast search and find of density peaks(code & idea)]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37938103</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37938103</guid><author>Justin_Xip</author><pubDate>Fri, 18 Jul 2014 21:53:33 +0800</pubDate><description><![CDATA[-----------------------------C++----------------------------------------
// Clustering by fast search and find of density peaks
// Science 27 June 2014:
// Vol. 344 no. 6191 pp. 1492-1496
// DOI: ]]></description><category></category></item><item><title><![CDATA[Spring3+Hibernate4+SpringMVC整合Ext：项目架构搭建]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37690877</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37690877</guid><author>Justin_Xip</author><pubDate>Fri, 11 Jul 2014 10:05:39 +0800</pubDate><description><![CDATA[﻿﻿
前言

       前段时间突然想用SpringMVC结合Ext做一个框架原型，整合后发现SpringMVC配合Ext简直天衣无缝，当然SpringMVC结合别的UI框架应该也是天衣无缝的。SpringMVC比Struts2确实要强大很多，特别对于Ext框架JSON数据的完美支撑，开发起来相当舒服。Spring3整合Hibernate4的时候可能有点问题，跟Spring2+Hiber]]></description><category></category></item><item><title><![CDATA[SSH三大框架的工作原理]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37690845</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37690845</guid><author>Justin_Xip</author><pubDate>Fri, 11 Jul 2014 10:03:25 +0800</pubDate><description><![CDATA[﻿﻿
 
Hibernate工作原理及为什么要用?



原理：
1.通过Configuration().configure();读取并解析hibernate.cfg.xml配置文件
2.由hibernate.cfg.xml中的读取并解析映射信息
3.通过config.buildSessionFactory();//创建SessionFactory
4.sessionFacto]]></description><category></category></item><item><title><![CDATA[云计算Hadoop伪分布平台搭建和配置详情]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37606401</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37606401</guid><author>Justin_Xip</author><pubDate>Wed, 09 Jul 2014 21:10:39 +0800</pubDate><description><![CDATA[为了方便实验，安装一个Hadoop伪分布平台是很有]]></description><category></category></item><item><title><![CDATA[阿里巴巴数据竞赛方案——推荐系统的核心]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37520453</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37520453</guid><author>Justin_Xip</author><pubDate>Mon, 07 Jul 2014 16:53:39 +0800</pubDate><description><![CDATA[方案结果：第三周第一次提交排名在30内。]]></description><category></category></item><item><title><![CDATA[云计算Hadoop部署和配置详情（二）]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37511951</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37511951</guid><author>Justin_Xip</author><pubDate>Mon, 07 Jul 2014 15:18:29 +0800</pubDate><description><![CDATA[﻿﻿

 




部署HDFS（）





设置网络名称

编辑hosts文件：

vim /etc/hosts

192.168.1.2   server1

192.168.1.3   server2

192.168.1.4   server3

192.168.1.5   server4]]></description><category></category></item><item><title><![CDATA[云计算Hadoop部署和配置详情（一）]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37362389</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37362389</guid><author>Justin_Xip</author><pubDate>Sun, 06 Jul 2014 19:53:01 +0800</pubDate><description><![CDATA[﻿﻿




准备工作

硬件配置：





n台PC


Linux操作系统（CentOS6.4）


CDH4安装包（hadoop-2.0.0-cdh4.4.0）


Java安装


eclipse等开发工具

 

1.1主机









IP




hostname




部署模]]></description><category></category></item><item><title><![CDATA[MapReduce开发流程]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37042799</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37042799</guid><author>Justin_Xip</author><pubDate>Sat, 05 Jul 2014 11:44:07 +0800</pubDate><description><![CDATA[﻿﻿


第二章
开发MapReduce应用程序


 

一、JUnit测试java程序

单元测试用于测试某一个功能的代码。单元测试可以保证程序的功能正常使用。这个小节简单讲解一下如何在Eclipse中利用JUnit4.x
、EasyMock和Mokito进行单元测试。

1.1安装JUnit4.x

第一、JUnit 4.x.jar可以去JUnit的官网下载，]]></description><category></category></item><item><title><![CDATA[排序算法及性能-数据结构-java]]></title><link>https://blog.youkuaiyun.com/Justin_Xip/article/details/37041731</link><guid>https://blog.youkuaiyun.com/Justin_Xip/article/details/37041731</guid><author>Justin_Xip</author><pubDate>Sat, 05 Jul 2014 11:29:35 +0800</pubDate><description><![CDATA[﻿﻿
package com.xjp.common_algorithm;
import java.util.ArrayList;
import java.util.List;
//******************************算法*****************************
/**
 * 分类： 1） 插入排序（直接插入排序、希尔排序） 
 *    直接]]></description><category></category></item></channel></rss>