<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/tralonzhang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; tralonzhang]]></copyright><item><title><![CDATA[ubuntu下安装pycharm]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/38614661</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/38614661</guid><author>tralonzhang</author><pubDate>Sat, 16 Aug 2014 17:06:41 +0800</pubDate><description><![CDATA[1. 首先到http://www.jetbrains.com/pycharm/download/ 下载最新的pycharm版本


2.]]></description><category></category></item><item><title><![CDATA[Python yield浅议]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/37775765</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/37775765</guid><author>tralonzhang</author><pubDate>Mon, 14 Jul 2014 23:08:59 +0800</pubDate><description><![CDATA[原文地址：http://www.ibm.com/developerworks/cn/opensource/os-cn-python-yield/]]></description><category></category></item><item><title><![CDATA[浅谈python的with]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/37775541</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/37775541</guid><author>tralonzhang</author><pubDate>Mon, 14 Jul 2014 23:05:21 +0800</pubDate><description><![CDATA[引言
with 语句是从 Python 2.5 开始引入的一种与异常处理相关的功能（2.5 版本中要通过 from __future__ import with_statement 导入后才可以使用），从 2.6 版本开始缺省可用（参考

What's new in Python 2.6? 中 with 语句相关部分介绍）。with 语句适用于对资源进行访问的场合，确保不管使用过程中是否发生]]></description><category></category></item><item><title><![CDATA[安装openstack]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/25529647</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/25529647</guid><author>tralonzhang</author><pubDate>Sun, 13 Jul 2014 18:46:05 +0800</pubDate><description><![CDATA[本文是

1.软件准备
a.]]></description><category></category></item><item><title><![CDATA[RHEL6.2  设置yum源]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7459908</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7459908</guid><author>tralonzhang</author><pubDate>Sun, 11 May 2014 18:07:44 +0800</pubDate><description><![CDATA[原文是基于centos的，由于RHEL6.2和CentOS6.2基本相同，故该源也能用于RHEL6.2，已经测试完全可行。
转载：http://blog.youkuaiyun.com/smartdog_1/article/details/7364155
配置如下：
1、repo调整：http://wiki.centos.org/AdditionalResources/Repositories
a.网易]]></description><category></category></item><item><title><![CDATA[VirtualBox虚拟机网络环境解析和搭建-NAT、桥接、Host-Only、Internal、端口映射]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/25426781</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/25426781</guid><author>tralonzhang</author><pubDate>Fri, 09 May 2014 21:21:49 +0800</pubDate><description><![CDATA[愿望

本文以VirtualBox为例


如果出现主机无法ping通虚拟机的情况，请首先确认虚拟机防火墙已关闭。




一、NAT模式


特点：
1、如果主机可以上网，虚拟机可以上网
2、虚拟机之间不能ping通
3、虚拟机可以ping通主机（此时ping虚拟机的网关，即是ping主机）
4、主机不能ping通虚拟机


应用场景：
虚拟机只要求可以]]></description><category></category></item><item><title><![CDATA[CentOS卸载OpenJDK并安装Sun JDK]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7773824</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7773824</guid><author>tralonzhang</author><pubDate>Mon, 23 Jul 2012 06:40:19 +0800</pubDate><description><![CDATA[第一步：查看Linux自带的JDK是否已安装 （卸载centOS已安装的1.4）
安装好的CentOS会自带OpenJdk,用命令 java -version ，会有下面的信息：
java version "1.6.0"
OpenJDK Runtime Environment (build 1.6.0-b09)
OpenJDK 64-Bit Server VM (build 1.6.0-b]]></description><category></category></item><item><title><![CDATA[CentOS6.2 使用utorrent server]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7725694</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7725694</guid><author>tralonzhang</author><pubDate>Sun, 08 Jul 2012 00:47:39 +0800</pubDate><description><![CDATA[首先,由于最近学校的睿思改版,导致之前的bt下载工具Transmission无法下载睿思上的资源,只好求助于utorrent server.
下面是安装的过程:
首先,进入http://www.utorrent.com/downloads/linux中下载µTorrent Server
alpha(utorrent-server-3.0-ubuntu-10.10-27079.tar.gz);]]></description><category></category></item><item><title><![CDATA[centos6.2安装flash player]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7705927</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7705927</guid><author>tralonzhang</author><pubDate>Sun, 01 Jul 2012 01:00:41 +0800</pubDate><description><![CDATA[1.首先去官网下载install_flash_player_10_linux.tar.gz。
2.放到任意目录下，tar zxvf  install_flash_player_10_linux.tar.gz。
3，将解压后的libflashplayer.so，拷到/usr/lib/mozilla/plugins/中，
      执行 cp libflashplayer.so /usr/li]]></description><category></category></item><item><title><![CDATA[centos6.2 下安装vlc播放器]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7664979</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7664979</guid><author>tralonzhang</author><pubDate>Fri, 15 Jun 2012 00:36:34 +0800</pubDate><description><![CDATA[首先，执行cd /etc/yum.repos.d/
其次，wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm

           rpm -ivh rpmforge-release-0.5.2-2.el5.rf.i386.rpm

           rpm --i]]></description><category></category></item><item><title><![CDATA[RHEL6.2 安装 mplayer]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7459924</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7459924</guid><author>tralonzhang</author><pubDate>Sat, 14 Apr 2012 09:27:58 +0800</pubDate><description><![CDATA[1.看上一篇文章，RHEL6.2设置yum源，然后就可以使用yum install mplayer进行安装。
2.在安装过程中，会提醒lzo-2.03-3.1.el6.i686.rpm，freeglut-2.6.0-1.el6.i686.rpm安装失败
3.然后去http://ftp.tku.edu.tw/index.php?dir=Linux%2FCentOS%2F6.2%2Fos%2Fi3]]></description><category></category></item><item><title><![CDATA[RHEL 6.2 设置yum源]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7459914</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7459914</guid><author>tralonzhang</author><pubDate>Sat, 14 Apr 2012 09:19:16 +0800</pubDate><description><![CDATA[转载：http://blog.youkuaiyun.com/smartdog_1/article/details/7364155
http://wulujia.com/viewtopic.php?pid=643
配置如下：
1、repo调整：http://wiki.centos.org/AdditionalResources/Repositories
a.网易镜像
http://mirrors.16]]></description><category></category></item><item><title><![CDATA[virtualbox安装增强功能：鼠标在主机与虚拟机之间自由切换]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/7264027</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/7264027</guid><author>tralonzhang</author><pubDate>Thu, 16 Feb 2012 12:42:49 +0800</pubDate><description><![CDATA[对于我的计算机，安装的是CentOS6.0系统，操作过程为：
1.进入X窗口后，在VirtualBox的软件菜单里面选择“设备”--“安装增强功能”
2.在桌面上出现一个光驱符号，表明光驱加载成功。
3.打开终端terminator，进入media文件夹，会看到一个文件，名字为VBoxAdditions，进入该软件，会发现一些以run为结尾的文件
4.运行sh ./VBoxLinuxAdd]]></description><category></category></item><item><title><![CDATA[c++中多态函数以及函数重载，覆盖，遮蔽（隐藏）的区别]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6968191</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6968191</guid><author>tralonzhang</author><pubDate>Mon, 14 Nov 2011 12:27:12 +0800</pubDate><description><![CDATA[（1）多态函数指的是在运行期绑定的函数，在c++中，仅有虚函数是在运行期进行绑定的，因此只有虚函数才具有真正意义上的多态。
          补充一下：c++中的多态有以下三个前提条件：
                            a.必须存在一个继承体系结构。
                            b.继承体系结构中的一些类必须具有同名的virtual成员函]]></description><category></category></item><item><title><![CDATA[Fedora 14下安装MPlayer]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6924592</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6924592</guid><author>tralonzhang</author><pubDate>Tue, 01 Nov 2011 13:26:55 +0800</pubDate><description><![CDATA[1.首先用yum install mplayer
2.然后yum install smplayer
3.OK！很简单吧！
开始我在第二步是使用yum install mplayer-gui，
安装后只有声音没有画面，我就用yum erase mplayer-gui卸载mplayer-gui

据网上说还可用gmplayer代替smplayer。]]></description><category></category></item><item><title><![CDATA[Fedora14 下用Rhythmbox 播放mp3]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6924142</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6924142</guid><author>tralonzhang</author><pubDate>Tue, 01 Nov 2011 11:04:11 +0800</pubDate><description><![CDATA[1.http://www.fluendo.com/shop/product/fluendo-mp3-decoder/ 注册一个帐号
免费获得fluendo-codecs-mp3-15-5.i386.rpm

（注意是通过邮箱里的链接来下载的）
2.使用[root@www xdtralon]# rpm -ivh fluendo-codecs-mp3-15-5.i386.rpm 安装
3.o]]></description><category></category></item><item><title><![CDATA[Windows与VMware下的Linux文件共享方式总结]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6923708</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6923708</guid><author>tralonzhang</author><pubDate>Tue, 01 Nov 2011 09:36:32 +0800</pubDate><description><![CDATA[Windows和Linux间有很多文件共享的方式，这里总结了一下
假设你的Host计算机是Windows,Guest是Linux。 
1.用vmware tools工具
SharedFolders是Vmware4 的一个新功能，更加方便了在Host，Guest操作系统间共享文件。但是使用前
要安装vmware tools.
点击setting->vmware tools install]]></description><category></category></item><item><title><![CDATA[CentOS 5.5安装 qq]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6918933</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6918933</guid><author>tralonzhang</author><pubDate>Sun, 30 Oct 2011 16:22:07 +0800</pubDate><description><![CDATA[RPM版本 
安装 
①打开控制台，使用管理员身份登录；
②在终端中输入命令“rpm –U package_name.rpm“ , package_name是QQ安装包文件名。
卸载 
在终端中输入命令“rpm -e package_name.rpm“。
启动qq
1.打开左上角的应用程序
2.点击internet, 就会看到腾讯QQ
3,点击腾讯QQ就可以启动了]]></description><category></category></item><item><title><![CDATA[zoj 1383]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6860980</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6860980</guid><author>tralonzhang</author><pubDate>Mon, 10 Oct 2011 23:15:34 +0800</pubDate><description><![CDATA[#include 

int main()
{
	int d,n;
	int a[20];
	int i,j;
	scanf("%d",&d);
	while(d--)
	{
		for(i=0;i<20;i++)
		{
			a[i]=0;
		}
		scanf("%d",]]></description><category></category></item><item><title><![CDATA[zoj 1382]]></title><link>https://blog.youkuaiyun.com/tralonzhang/article/details/6860978</link><guid>https://blog.youkuaiyun.com/tralonzhang/article/details/6860978</guid><author>tralonzhang</author><pubDate>Mon, 10 Oct 2011 23:14:43 +0800</pubDate><description><![CDATA[#include 

int main()
{
	int num,n;
	int o,p;
	int i,count;
	scanf("%d",&num);
	while(num--)
	{
		
		scanf("%d",&n);
		count=0;
		if (n%2==1]]></description><category></category></item></channel></rss>