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ORACLE触发器具体解释
ORACLE PL/SQL编程之八:把触发器说透本篇主要内容例如以下:8.1 触发器类型8.1.1 DML触发器8.1.2 替代触发器8.1.3 系统触发器8.2创建触发器8.2.1 触发器触发次序8.2.2 创建DML触发器8.2.3 创建替代(INSTEAD OF)触发器8.2.3 创建系统事件...
分类:数据库   时间:2014-08-20 15:48:42    阅读次数:378
LeetCode "4Sum"
Similar strategy could be applied to 4Sum, as 2sum to 3sum, but that'll be O(n^3). Instead of 3 + 1, we can also divide it into 2 + 2. So the problem ...
分类:其他好文   时间:2014-08-18 13:00:32    阅读次数:183
N-Queens II
Follow up for N-Queens problem. Now, instead outputting board configurations, return the total number of distinct solutions. public class Solution { public int totalNQueens(int n) { ...
分类:其他好文   时间:2014-08-18 10:49:54    阅读次数:206
leetcode之n皇后问题
leetcode上有两个关于n皇后的问题,两个题目基本是一样的,只是第二个是把所有的排法求出来。n皇后最简单的就是用递归,每次判断一行的一个位置,如果合法,就判断下一行,不合法再判断下一个位置 N-Queens II   Follow up for N-Queens problem. Now, instead outputting board configuration...
分类:其他好文   时间:2014-08-11 15:06:12    阅读次数:227
Cocos2d-x 3.2编译生成Android程序出错的解决方案
最近升级到Cocos2d-x 3.2正式版,iOS程序编译没任何问题,结果使用cocos compile -p android编译生成APK程序,结果悲剧了,出现以下错误。Android NDK: Invalid APP_STL value: c++_static    Android NDK: Please use one of the following instead:  system st...
分类:移动开发   时间:2014-08-10 10:25:20    阅读次数:302
Lesson 41-42 How would you respond?
一 Words 1 think through 充分考虑 schoolwork 功课,学业 2 only to 结果却 eg. Or we will solve one problem only to have to deal with another instead. 3 tutor 导师,家庭教...
分类:其他好文   时间:2014-08-05 09:24:48    阅读次数:277
安装opesntack mysql报错 解决方案
安装opesntackmysql报错ERROR:ErrorappearedduringPuppetrun:192.168.1.103_mysql.ppError:mysqladmin-urootpassword‘f40e1dec1deb43d3‘returned1insteadofoneof[0]#rpm-qa|grep-imysqlmysql-server-5.1.71-1.el6.x86_64perl-DBD-MySQL-4.013-3.el6.x86_64mysql-5.1.71-1.el6.x..
分类:数据库   时间:2014-08-05 03:08:29    阅读次数:244
Float Equal Problem
Understand limitations of floating point representations.Never check for equality with ==. Instead, check if the difference is less than an epsilon va...
分类:其他好文   时间:2014-08-04 14:13:17    阅读次数:235
Read Notes:[Effective Java] Consider static factory methods instead of Constructors
Providingastaticmethodinsteadofapublicconstructorhasbothadvantagesanddisadvantages.Oneadvantageofstaticfactorymethodsisthat,unlikeconstructors,theyhavenames.ASecondadvantageofstaticfactorymethodsisthat,unlikeconstructors,theyarenotrequiretocreateanewobjecte..
分类:编程语言   时间:2014-07-30 17:54:24    阅读次数:215
could only be replicated to 0 nodes, instead of 1
WARN hdfs.DFSClient: DataStreamer Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /input/LICENSE.txt could only be replicated to 0 nodes, instead of 1 at org.apache...
分类:其他好文   时间:2014-07-29 18:13:22    阅读次数:227
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