<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[sslf的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/sslf</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; sslf]]></copyright><item><title><![CDATA[sql练习]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5729832</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5729832</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:21:40 +0800</pubDate><description><![CDATA[表如下：
Student(s#,Sname,Sage,Ssex);学生表
Course(c#,Cname,T#);课程表
SC(s#,c#,score);成绩表
Teacher(t#,Tname);老师表
 
1.查出所有课程001成绩比课程002成绩好的学生的学号
 
2.查出所有平均成绩大于60的学生的学号，平均成绩；
 
3.查出所有同学的学号，姓名，选课数，总成绩；]]></description><category></category></item><item><title><![CDATA[os concept 1.2.1]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5864846</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5864846</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:21:26 +0800</pubDate><description><![CDATA[1.2.1 Computer-System Operation
 
A modern general-purpose computer system consists of one or more CPUs and a number of device controllers connected through a common bus that provides access to shar]]></description><category></category></item><item><title><![CDATA[os学习]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6113398</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6113398</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:21:14 +0800</pubDate><description><![CDATA[操作系统视频+操作系统概念7e
 
看视频，提出问题，然后结合书来看
 
概念多，要经常复习概念，要明白也许不是一次就能理解到位的；
抽象，原理多，同样一般不是一次理解到位的，要理解为什么原理是这样，好处，坏处是什么。
 
——20110103]]></description><category></category></item><item><title><![CDATA[[java puzzles]puzzle:Oddity]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5781587</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5781587</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:21:02 +0800</pubDate><description><![CDATA[The following method purports to determine whether its sole argument is an odd number.Does the method work?
 
public static boolean isOdd(int i){
          return i % 2 ==1;
}
 
Solution:
 
An]]></description><category></category></item><item><title><![CDATA[ds note1]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5752174</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5752174</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:20:53 +0800</pubDate><description><![CDATA[《数据结构与算法》Java版
 
java无指针，链表的结构定义；
 
      注意类定义中包含自身的自身的类引用；
 
构造一个很长链表时，比如长度超过一千，不可能next.next.……，解决方法
 
      每个链表都有两个指针，一个指向头，一个指向尾，然后头插法，尾插法]]></description><category></category></item><item><title><![CDATA[[待解决]C++ primer中有关endl刷新输出流]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5622814</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5622814</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:20:20 +0800</pubDate><description><![CDATA[Programmers often insert print statements during debugging. Such statements should always flush the stream. Forgetting to do so may cause output to be left in the buffer if the program crashes, leadin]]></description><category></category></item><item><title><![CDATA[纯数教程笔记一]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/5258175</link><guid>https://blog.youkuaiyun.com/sslf/article/details/5258175</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:20:08 +0800</pubDate><description><![CDATA[有理数的稠密性：
在数轴A上任取线段BC，总可在其中找到任意多个有理点
给定任一有理数r与任一整数n，都江堰市可以在r的每一边找到另一有理数，它与r的距离小于1/n；
 
more:给定二有理数r,s，都江堰市可以在它们之间插入一列有理数，其中任何两个相信的数之间的差都可以任意小（给定整数n,小于1/n）]]></description><category></category></item><item><title><![CDATA[0727]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6638042</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6638042</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:18:44 +0800</pubDate><description><![CDATA[ftp架设
http://blog.youkuaiyun.com/Ericherry/article/details/6224281
hive
http://xm-king.iteye.com/blog/1088422
http://wenku.baidu.com/view/90dad7659b6648d7c1c7460e.html
平台架设
http://rdc.taobao.com/team/]]></description><category></category></item><item><title><![CDATA[change]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6165021</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6165021</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:18:33 +0800</pubDate><description><![CDATA[c/b-s->cloud computing
 
ipv4->ipv6
 
phone->pad->notebook->pc
and others:kinect/wii/ps3/xbox/kindle/bambook
 
core solo->multicore
 
cpu->cpu+gpu->...
 
opencode->openhw
 
x86->x86,arm]]></description><category></category></item><item><title><![CDATA[HDFS study]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6854876</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6854876</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:18:24 +0800</pubDate><description><![CDATA[http://varyall.iteye.com/blog/763783
http://www.docin.com/p-203214495.html

http://blog.youkuaiyun.com/fly542/article/details/6817444

《hadoop实战指南》
HDFS实验

 设计前提与目标


体系结构


保证可靠性


常用操作]]></description><category></category></item><item><title><![CDATA[20110831]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6735134</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6735134</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:18:07 +0800</pubDate><description><![CDATA[first problem:
description:

some content have been set into textarea, the textarea's content can be modified;
when submit(in fact,release one weibo message), i want to get the content of the text]]></description><category></category></item><item><title><![CDATA[YCSB%e6%b5%8b%e8%af%95hbase]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6858040</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6858040</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:16:46 +0800</pubDate><description><![CDATA[首先，ycsb放狗，第一个就是
https://github.com/brianfrankcooper/YCSB/wiki


新东西一般只有国外首先有技术文档，所以一定要耐着性子看英文，开个词霸，google翻译


从getting started开始
obtain YCSB source
首先是下载一个压缩包，或者安装git(类似svn)下载源代码，再build]]></description><category></category></item><item><title><![CDATA[yahoo论文：Benchmarking Cloud Serving Systems with YCSB]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6863499</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6863499</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:16:27 +0800</pubDate><description><![CDATA[摘要：针对大规模数据分析的mapreduce技术已被广泛意识和研究，我们已经看到了云数据服务系统数量的爆炸性增长。这些新系统是所谓“云ＯＬＴＰ”应用，虽然它们并不支持ＡＣＩＤ事务。典型例子如BigTable,PNUTS,Cassandra,HBase,Azure,CouchDB,SimpleDB,Voldemort,等等。而且它们被应用于不同于传统服务工作量的很多领域（如ＴＰＣ－Ｃ）。The nu]]></description><category></category></item><item><title><![CDATA[20111016　工作记录]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6881009</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6881009</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:16:16 +0800</pubDate><description><![CDATA[查看某端口号被谁占用：
netstat -anp|grep [端口号]]]></description><category></category></item><item><title><![CDATA[10.25在家工作记录]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6902780</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6902780</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:15:50 +0800</pubDate><description><![CDATA[重装ubuntu11.10
装五笔
apt-get install ibus-table-wubi
 
安装JDK

//  更换数据源   sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner"    // 更新数据源   sudo apt-get update     // 安装sun-jd]]></description><category></category></item><item><title><![CDATA[hbase　索引记录]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6907136</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6907136</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:15:27 +0800</pubDate><description><![CDATA[根本目的是实时的查询速度


从两方面来看：
一、HBase自身的原理，机制。
二、索引的原理机制。


一、HBase：
reference:



HBase技术介绍｜淘宝技术博客

http://www.searchtb.com/2011/01/understanding-hbase.html

HBASE松散数据存储设计初识｜放翁（文初）的一亩三分地
h]]></description><category></category></item><item><title><![CDATA[ubuntu install eclipse]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6928871</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6928871</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 21:15:09 +0800</pubDate><description><![CDATA[首先一篇教程：
http://www.husw.net/blog/post/1354/





按照步骤：
用firefox下载了eclipse的包，在/home/lf/Downloads下面，要解压到/opt下应该用这个命令：

sudo tar -zxvf eclipse-jee-indigo-SR1-linux-gtk.tar.gz -C /opt]]></description><category></category></item><item><title><![CDATA[erlang中的元组与列表的区别与联系]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6977094</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6977094</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 15:04:34 +0800</pubDate><description><![CDATA[传送门：http://blog.chinaunix.net/space.php?uid=22566367&do=blog&id=1993490


在erlang程序设计中，元组与列表本人很容易混淆，不知道什么时候应该使用元组，什么时候应该使用列表，为此，我查阅了一些网上的资料，并添加了一些
自己的理解，如果有理解不到位的地方，欢迎大家指正。
    元组：
    将一定数量项组成在]]></description><category></category></item><item><title><![CDATA[linux下bin文件如何安装总结]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6976746</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6976746</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 13:56:04 +0800</pubDate><description><![CDATA[对于某file.bin文件
首先：添加可执行权限，
sudo chmod +x file.bin
然后执行：
sudo ./file.bin]]></description><category></category></item><item><title><![CDATA[【转】函数式编程另类指南]]></title><link>https://blog.youkuaiyun.com/sslf/article/details/6976702</link><guid>https://blog.youkuaiyun.com/sslf/article/details/6976702</guid><author>sslf</author><pubDate>Wed, 16 Nov 2011 13:42:49 +0800</pubDate><description><![CDATA[译文链接：http://erlang-china.org/study/yet-another-pf-guide.html
原文：Functional Programming For The Rest of Us
原文作者：Vyacheslav Akhmechet
翻译：lihaitao (电邮: lihaitao在gmail.com)
翻译原帖：函数式编程另类指南(似乎已删除)]]></description><category></category></item></channel></rss>