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How vacuum template0
[pg@h1 ~]$ vacuumdb --freeze template0 vacuumdb: could not connect to database template0: FATAL: database "template0" is not currently accepting connections [pg@h1 ~]$ psql template0 psql: FATAL: da...
分类:其他好文   时间:2014-11-19 01:58:54    阅读次数:234
vb6 获取 http only 的 Cookie
Option Explicit' No more data is available.Const ERROR_NO_MORE_ITEMS = 259' The data area passed to a system call is too small.Const ERROR_INSUFFICIEN...
分类:Web程序   时间:2014-11-18 23:28:59    阅读次数:312
HDU 1086You can Solve a Geometry Problem too(判断两条选段是否有交点)
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1086判断两条线段是否有交点,我用的是跨立实验法:两条线段分别是A1到B1,A2到B2,很显然,如果这两条线段有交点,那么可以肯定的是:A1-B1,A2-B1这两个向量分别在B2-B1的两边,判断是不是在...
分类:其他好文   时间:2014-11-18 17:30:52    阅读次数:232
iOS objc_msgSend 报错解决方案
错误代码:objc_msgSend(self.beginRefreshingTaget, self.beginRefreshingAction, self);Too many arguments to function call, expected 0, have 3经过几番周折,终于叨叨解决方案了...
分类:移动开发   时间:2014-11-18 11:42:09    阅读次数:317
ToDoList
// ToDoListWnd.cpp : implementation file//#include "stdafx.h"#include "ToDoList.h"#include "ToDoListWnd.h"#include "ToolsCmdlineParser.h"#include "Too...
分类:其他好文   时间:2014-11-18 08:04:04    阅读次数:314
[翻译] CNPPopupController
CNPPopupControllerCNPPopupController is a simple and versatile class for presenting a custom popup in a variety of fashions. It includes a many option...
分类:其他好文   时间:2014-11-17 22:36:26    阅读次数:279
sicily 1259. Sum of Consecutive Primes
DescriptionSome positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given pos...
分类:其他好文   时间:2014-11-17 22:27:25    阅读次数:343
696 - How Many Knights(数论)
696 - How Many Knights(数论) 题目链接 题目大意:要求在一个棋盘上放上最多的骑士,但他们之间不能互相攻击。骑士的攻击范围题目中有图给出。 思路:画到后面会发现上下两行骑士交错的放是最优的策略 (N N N) ( N N ) (N N N) 但是这个只适用与3*3矩阵和更大的矩阵,小点的就要另外讨论了。 一行或者一列的时後每个位置都是可以放的,不会...
分类:其他好文   时间:2014-11-17 21:22:08    阅读次数:169
Unique Binary Search Trees
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2014-11-17 13:56:57    阅读次数:141
Leetcode-Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2014-11-17 06:53:34    阅读次数:138
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