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Building SQL Test Cases
For many SQL-related problems, obtaining a reproducible test case makes it easier to resolve the problem. Starting with the 11gRelease 2 (11.2), Oracl...
分类:数据库   时间:2014-06-06 20:04:05    阅读次数:317
DML 触发器2
DML触发器 ,:new,:old ,referencing 子句,when子句,触发器谓词:inserting,updating,deleting
分类:其他好文   时间:2014-06-06 18:29:42    阅读次数:276
关于erlang中的timer:tc/3
timer:tc/3对于统计函数运行时间是个很不错的函数,截图timer:tc/1,tc/2,tc/3的API:拿斐波那契数列入手做个讲解:-module(fib).-export([fib/1]).fib(0) -> 0;fib(1) -> 1;fib(N) when N>1 -> fib(N-1...
分类:其他好文   时间:2014-06-06 17:41:20    阅读次数:325
A debugger is already attached
Today is the last day that all the laptops of winXP OS should be upgrade to WIN7. After updated. when i tried to debug my application,i received this ...
分类:其他好文   时间:2014-06-06 15:51:14    阅读次数:275
HttpOnly
Contents1 Overview1.1 Who developed HttpOnly? When?1.2 What is HttpOnly?1.3 Mitigating the Most Common XSS attack using HttpOnly1.3.1 Using Java to Se...
分类:其他好文   时间:2014-06-06 15:04:08    阅读次数:805
New Concept English
Lesson 1Pumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five m...
分类:其他好文   时间:2014-06-06 14:08:51    阅读次数:210
Use_Case
What is Use-Case 2.0?Use Case: A use case is all the ways of using a system to achieve a particular goal for a particular user. Takentogether the set ...
分类:其他好文   时间:2014-06-06 11:37:46    阅读次数:236
next enum in swift
```cppenum Iter: Int{ case s1=0, s2, s3, s4 mutating func next(){ if self == .s4 { self = .s1 return } ...
分类:其他好文   时间:2014-06-06 09:07:38    阅读次数:215
Swift 枚举和结构
枚举 使用enum创建枚举——注意 Swift 的枚举可以关联方法: 1 enum Rank: Int { 2 case Ace = 1 case Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten 3 case Jack, Q...
分类:其他好文   时间:2014-06-06 08:30:54    阅读次数:285
mysql中group by和order by混用 结果不是理想结果
在使用mysql排序的时候会想到按照降序分组来获得一组数据,而使用order by往往得到的不是理想中的结果,那么怎么才能使用group by 和order by得到理想中的数据结果呢?例如有一个 帖子的回复表,posts( id , tid , subject , message , dateli...
分类:数据库   时间:2014-06-06 08:17:08    阅读次数:311
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