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PCA降维
http://blog.csdn.net/a784763307/article/details/17289317这篇比较棒openCV版void PrintMatrix(CvMat *Matrix,int Rows,int Cols) { for(int i=0;istep); ...
分类:其他好文   时间:2014-10-15 14:41:20    阅读次数:237
【mysql】联合查询
1. 三表联合查询select XX,XX from a , b , c笛卡尔积,等同于cross join4. cross join--列出两边所有组合,也叫笛卡尔集A.Rows * B.Rowsselect *from Sales S cross join Customers C5. inner...
分类:数据库   时间:2014-10-13 19:14:56    阅读次数:209
DataTable排序(转)
DataTable 排序 DataRow[] rows = dataTable1.Select("", "ord asc");DataTable t = DataTable1.Clone();t.Clear();foreach(DataRow row inrows)t.ImportRow(row);...
分类:编程语言   时间:2014-10-13 13:32:29    阅读次数:261
ZOJ - 3822 Domination (DP)
Edward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his friends. What's more, he bought a large decorative chessboard with N rows and M columns. ...
分类:其他好文   时间:2014-10-12 21:51:28    阅读次数:382
How to create XML validator(验证器;验证程序) from XML schema
In order to check XML data for validity we have to prepare its schema XSD-file. This file will be loaded by a JAXP package to a Schema objects instanc...
分类:其他好文   时间:2014-10-12 19:06:58    阅读次数:169
leetcode第六题--ZigZag Conversion
Problem:The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed...
分类:其他好文   时间:2014-10-12 02:29:07    阅读次数:187
【Excel&VBA】VBA中常用代码
1:Excel表中数据的行列数Sheets(1).UsedRange.Rows.CountSheets(1).UsedRange.Columns.Count或者,Sheets(1).Range("A65536").End(xlUp).RowSheets(1).Range("A65536").End(...
分类:编程语言   时间:2014-10-11 15:25:25    阅读次数:151
php:获取一个表不含text类型的全部字段
select * from table 这个*用表具体的字段替换$sql="show COLUMNS FROM table";$rs=query($sql); while($rows=fetch($rs)) { if($rows["Type"]!='text' && $rows["Type"]!.....
分类:Web程序   时间:2014-10-11 14:55:26    阅读次数:188
Leetcode: Spiral Matrix
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, ...
分类:其他好文   时间:2014-10-11 08:50:35    阅读次数:134
jquery动态加载js/css文件方法
先来看jquery自带的getSrcript文件方法 代码如下 复制代码 $.getScript(url,callback) 实例 代码如下 复制代码 var testVar = 'New JS loaded!'; alert(testVar); function newFun(dynParam.....
分类:Web程序   时间:2014-10-11 00:11:54    阅读次数:241
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