30-mysql数据备份基础
14-mysql基本运维操作指南
9-OO与设计模式-2-UML入门
5-hadoop集群搭建指南
8-OO与设计模式-1
3-Lighttpd+PHP5+slqite3搭建轻量级Web生产环境
12_USACO_Section-1.2_Palindromic-Squares-平方回文数
11_USACO_Section-1.2_Name-That-Number
原文：
Among the large Wisconsin cattle ranchers, it is customary to brand cows with serial numbers to please the Accounting Department. The cow hands don’t appreciate the advantage of this filing system, though, and wish to call the members of their herd by a pleasing name rather than saying, “C’mon, #4734, get along.”