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[leetcode]N-Queens II
问题描述: Follow up for N-Queens problem. Now, instead outputting board configurations, return the total number of distinct solutions. (N-Queens problem can see here ) 基本思路: 可参照N-Queens问题,按...
分类:其他好文   时间:2014-12-21 22:12:49    阅读次数:157
高效的计算Laplacian 矩阵
直接上代码,可以直接调用: function L1 = CP_Laplacian( M ) %UNTITLED Summary of this function goes here % Detailed explanation goes here % number of vertices (size...
分类:其他好文   时间:2014-12-21 22:04:15    阅读次数:289
Python 读写文件
简单的实例:写输入内容到创建的文件中:import osls = os.linesep #Win is '\r\n' and Linux is '\n'fileName = raw_input('Please enter your file name here:')while True: ...
分类:编程语言   时间:2014-12-21 00:38:01    阅读次数:213
This result is a forward only result set, calling rewind() after moving forward is not supported
执行 foreach ( $results as $result ){ // code goes here .. } .... foreach ( $results as $result ){ // code goes here .. } 会提示This result is a forward only result set, calling...
分类:Windows程序   时间:2014-12-20 11:46:25    阅读次数:264
JQUERY 拖拽 draggable droppable resizable selectable sortable
今天用了jq ui的拖动碰撞功能,好不容易看到有详细的API解说,记录如下: Drag me around i can fly! Drop here Resizable Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 It...
分类:Web程序   时间:2014-12-18 22:13:18    阅读次数:245
经典把妹桥段:Flower dance开头对话
听到一首很赞的钢琴曲,Flower Dance,其开头有一段英文对话,如下:Lucy:"They serve the purpose of changing hydrogen into breathable oxygen, and they’re as necessary here as the a...
分类:其他好文   时间:2014-12-18 22:06:07    阅读次数:283
【IOS笔记】Views
ViewsBecause view objects are the main way your application interacts with the user, they have many responsibilities. Here are just a few:通过view对象是与用户...
分类:移动开发   时间:2014-12-18 20:32:05    阅读次数:391
[MSSQL2008]Spatial Data in SQL Server 2008 - 根据经纬度计算两点间距离
DECLARE @BJ GEOGRAPHY DECLARE @XT GEOGRAPHY /* GET Latitude/Longitude FROM here:http://www.travelmath.com/cities/Beijing,+China the distance unit in S...
分类:数据库   时间:2014-12-18 16:43:53    阅读次数:380
leetcode[150] Evaluate Reverse Polish Notation
逆波兰表示法,在维基百科here一不小心就看到了维基上有说用栈处理。然后就用栈处理了。需要注意的是,操作数前后不要弄错,stoi可以调用。它应该是在stdlib.h的头文件里,不过我在codeblock上试了不行。class Solution {public: int evalRPN(vect...
分类:其他好文   时间:2014-12-17 23:59:37    阅读次数:393
Sort Colors
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers ...
分类:其他好文   时间:2014-12-17 21:03:38    阅读次数:202
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