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FastLoad错误 — SELECT Failed. 2652
SELECT*FROMteradata_education.emp_fl;在做查询时碰到2652错误。SELECT Failed. 2652: Operation not allowed: Teradata_Education.emp_fl is being loaded.2652 Operatio...
分类:其他好文   时间:2014-07-07 16:27:52    阅读次数:296
Problem Word Break
Problem Description:Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more diction...
分类:其他好文   时间:2014-07-07 16:02:11    阅读次数:219
Problem Longest Consecutive Sequence
Problem Description:Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1...
分类:其他好文   时间:2014-07-07 15:54:24    阅读次数:193
Operation System - Peterson's Solution算法 解决多线程冲突
Person's solution 是用来一种基于软件的解决关键区域问题的算法(critical-section).它并不是完美的,有可能不对地工作。并且是限制解决两个进程同步的问题。可是它非常easy,非常原始,学习起来也是非常轻松的。代码例如以下:do { flag[i] = true;...
分类:编程语言   时间:2014-07-03 11:49:05    阅读次数:280
Operation is not valid due to the current state of the object.
昨天客户突然要求将某个角色的所有权限都不分页的放在一个页面修改,本地测试OK,通过;但发布后,点击该页面提交后一直报下面的错误:异常信息: Operation is not valid due to the current state of the object.错误源:System.Web堆栈信息...
分类:其他好文   时间:2014-06-30 22:55:35    阅读次数:407
Oracle中ID的自动增加以及获取系统时间的小技巧
引自http://blog.csdn.net/lejuo/article/details/4479065ID自动增加,就像MS- SQL Server里面创建表格时,给表的主键设置为自动增加一样。在Oracle里面,通过如下的SQL语句实现:(plsql可以直接在sequence创建)-- Crea...
分类:数据库   时间:2014-06-30 22:03:30    阅读次数:274
LeetCode: Word Break [139]
【题目】 Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words. For example, given s = "leetcode", dict = ["leet", "code"]. Return true because "leetcode" can be segm...
分类:其他好文   时间:2014-06-30 09:02:26    阅读次数:276
Edit Distance
题目 Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitte...
分类:其他好文   时间:2014-06-30 00:46:38    阅读次数:262
POJ 2442 Sequence【堆】
题目链接:http://poj.org/problem?id=2442 题目大意:给出一个m*n的矩阵,从每一行中取出一个数相加,能得到n^m个不同的结果,要求输出其中前n项。 建立一个以n元数组为底层数组的堆,在这里,利用stl中的make_heap,pop_heap,push_heap等函数解决。 1.将第一组数据输入arr1数组,升序排序。 2.将接下来的数据输入到arr2数组中,并...
分类:其他好文   时间:2014-06-29 23:25:31    阅读次数:259
Longest Consecutive Sequence
题目 Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest consecutive elements sequence...
分类:其他好文   时间:2014-06-29 22:16:48    阅读次数:239
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