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hdu4118 树形dp
http://acm.hdu.edu.cn/showproblem.php?pid=4118 Problem Description Nowadays, people have many ways to save money on accommodation when they are on vacation. One of these ways is exchanging ho...
分类:其他好文   时间:2015-02-13 22:26:44    阅读次数:210
Unicode编码与中文的转换
1.1.  将unicode编码转换为中文   public String decodeUnicode(String src) {        char[] in = src.toCharArray();        char aChar;        char[] out = new char[src.length()];        int outLen ...
分类:其他好文   时间:2015-02-13 21:14:53    阅读次数:179
Decode放在where条件后的新用法
今天遇到一种特殊情况的查询,在查询某表时,要通过判断其中一个字段的值再用其他字段作为条件查询,比如有3个字段 columnA,columnBm,columnC,columnA的值由两个——分别是0和1,如果是0,那么我的where条件就是columnB=***,如果是1,where条件则是colum...
分类:其他好文   时间:2015-02-11 20:23:08    阅读次数:142
一道SQL题考你数据库的使用能力
题目:数据库中存在例如以下数据,求用户终于剩余金额。用户类型金额A存入100A存入200A取出100A取出200A存入300A取出300本人Oracle接触的多些,所以给个Oracle的解决方法:Sum(Decode(...))能解决以上同类全部的问题,具体的我就不写了,你自己写的基于会深刻些!如有...
分类:数据库   时间:2015-02-11 18:33:56    阅读次数:211
remote mounting from windows to linux
8 Ways To Mount SMBfs (SAMBA FILE SYSTEM) In Linux. Sep 8, 2009 How to Mount smbfs (SAMBA file system) permanently in Linux.In this post I am going to...
分类:Windows程序   时间:2015-02-11 18:25:45    阅读次数:209
中局域网LAN中建立局域网可访问的类GitHub的服务器
There are several ways to do thisHost internal repositories like Gitlab (free software) or Stash. This will be similar to services like BitBucket or G...
分类:其他好文   时间:2015-02-11 18:11:09    阅读次数:152
Kernel boot options
There are three ways to pass options to the kernel and thus control its behavior: When building the kernel. Most of this book discusses these options....
分类:其他好文   时间:2015-02-11 16:21:54    阅读次数:157
OpenSCAD对象的位移、旋转、拉伸、镜像与颜色设置
Transformation affect the child nodes and as the name implies transforms them in various ways such as moving/rotating or scaling the child. Cascading transformations are used to apply a variety of ...
分类:其他好文   时间:2015-02-11 12:55:10    阅读次数:1889
python ascii codec can't decode
提示错误:UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position 240: ordinal not in range(128)大概就是这样一句话,一般情况,在文件头加上 :# coding=utf-8 就应该可以解决的...
分类:编程语言   时间:2015-02-11 10:52:11    阅读次数:180
关于python27 中文编码
看了网上好多的资料,以前一直不理解encode,decode以前uncode,utf-8,现在理解了,uncode是转码内部中介,比如 #coding:utf-8 a='中国' print repr(a) #这个时候a是utf8的字节流 b=a.decode('utf8') print repr(b...
分类:编程语言   时间:2015-02-10 12:44:24    阅读次数:218
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