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[编码] 曼彻斯特编码与解码
常见的编码方式有以下几种, 1、NRZ(Not Return to Zero)不归零编码, 这是一种比较简单的编码方式,二进制数据“0”和“1”分别用高电平和低电平来表示,当1位数据传输完以后,信号电平 不返回零所以称为不归零编码。 2、BiPhase编码, 相比NRZ编码方式,这种编...
分类:其他好文   时间:2015-01-30 17:33:10    阅读次数:203
LeetCode --- 15. 3Sum
题目链接:3Sum Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: *Elements in a triplet (a...
分类:其他好文   时间:2015-01-29 21:11:51    阅读次数:180
Allow Zero Length 允许空字符串 ACCESS
http://www.360doc.com/content/11/0118/20/991597_87447868.shtmlhttp://tec.liugens.com/html/sql/20071227/38157.htmlhttp://www.experts-exchange.com/Progr...
分类:数据库   时间:2015-01-29 19:27:13    阅读次数:194
iOSUISegmentController控制tableView的切换《UISegmentController不在导航栏上》
1:创建两个tableView @property UITableView *tableViewA; @property UITableView *tableViewB;  self.tableViewA=[[UITableView alloc]initWithFrame:CGRectMake(SECTION_INDEX_ZERO,self.segmentView.frame....
分类:移动开发   时间:2015-01-29 15:56:42    阅读次数:237
leetcode.10------------Regular Expression Matching
Implement regular expression matching with support for '.' and '*'. '.' Matches any single character. '*' Matches zero or more of the preceding element. The matching should cover the entire input st...
分类:其他好文   时间:2015-01-29 14:39:45    阅读次数:107
goodarticle.4-----------------Regular Expression Matching
Implement regular expression matching with support for ‘.’ and ‘*’. ‘.’ Matches any single character. ‘*’ Matches zero or more of the preceding element. The matching should cover the...
分类:其他好文   时间:2015-01-29 12:43:39    阅读次数:167
c++输入输出流读取文件
#include#include#include "fstream"using namespace std;ifstream fin("read.txt");ofstream fout("result1.txt"); void zero(char *ch, int len) { int i; for...
分类:编程语言   时间:2015-01-29 12:13:08    阅读次数:228
LeetCode --- 10. Regular Expression Matching
题目链接:Regular Expression Matching Implement regular expression matching with support for '.' and '*'. '.' Matches any single character. '*' Matches zero or more of the preceding element. The match...
分类:其他好文   时间:2015-01-28 21:29:00    阅读次数:318
uva 11464 Even Parity(逐层递推)
uva 11464 Even Parity We have a grid of size N x N. Each cell of the grid initially contains a zero(0) or a one(1). The parity of a cell is the number of 1s surrounding that cell. A cell is su...
分类:其他好文   时间:2015-01-26 15:16:03    阅读次数:125
LeetCode 3Sum
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: Elements in a triplet (a,b,c...
分类:其他好文   时间:2015-01-26 13:41:30    阅读次数:95
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