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Android SDK更新以及ADT更新出现问题的解决办法
问题描述使用SDK Manager更新时出现问题Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-6.xml, reason: Connection to https://dl-ssl.google...
分类:移动开发   时间:2014-09-01 17:27:33    阅读次数:247
boost库中thread多线程详解2——mutex与lock
1. mutex对象类mutex类主要有两种:独占式与共享式的互斥量。▲ 独占式互斥量:mutex: 独占式的互斥量,是最简单最常用的一种互斥量类型try_mutex: 它是mutex的同义词,为了与兼容以前的版本而提供timed_mutex: 它也是独占式的互斥量,但提供超时锁定功能▲ 递归式互斥...
分类:编程语言   时间:2014-09-01 17:25:43    阅读次数:215
JNI学习中——JVM错误:EXCEPTION_ACCESS_VIOLATION (0xc0000005)
## A fatal error has been detected by the Java Runtime Environment:## EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000067522fdd, pid=8100, tid....
分类:数据库   时间:2014-09-01 12:32:23    阅读次数:661
Singleton Design Pattern
Definition Ensure a class has only one instance and provide a global point of access to it.Participants The classes and/or objects participating in th...
分类:其他好文   时间:2014-09-01 12:19:33    阅读次数:162
UVA 6480 Zombie Invasion(模拟退火)
A group of survivors has arrived by helicopter to an isolated island. The island is made up of a long narrow strip of villages. The infected survivors arrived in the village to the far east and accid...
分类:其他好文   时间:2014-09-01 00:31:02    阅读次数:277
Leetcode dfs Path Sum
Path Sum  Total Accepted: 20393 Total Submissions: 66674My Submissions Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along...
分类:其他好文   时间:2014-08-31 21:33:41    阅读次数:284
采用ThreadLocal维护Connection
在以前的项目中,也曾经使用过事务的机制,总结说来一共有三种。...
分类:其他好文   时间:2014-08-31 21:31:31    阅读次数:232
采用动态代理对事务进行封装
在上篇博客中介绍了使用ThreadLocal维护Connection的方法,这样做的最大的好处就是不用来回的传递Connection了,但是我们有会发现在我们使用事务的时候不可避免的会写许多重复的代码,这些都是与业务逻辑无关的:           Connection conn = ConnectionManage.GetConnection(); Conn...
分类:其他好文   时间:2014-08-31 21:29:11    阅读次数:213
iOS 协同开发出fatal error: file ‘XX-Prefix.pch’ has been modified since the precompiled header was built
在协同开发的时候,刚刚从svn下载到本地的代码,出现“fatal error: file 'XX-Prefix.pch' has been modified since the precompiled header was built”的问题,这个其实不是什么问题,解决方案如下:1、找到 XX-P....
分类:移动开发   时间:2014-08-31 21:12:31    阅读次数:227
scalar UDFs performance issue
refer from InsideMiscrsoft SQL Server 2008: T-SQL Programming.You should be aware that invoking scalar UDFs in queries has a high cost when you provid...
分类:其他好文   时间:2014-08-31 18:32:51    阅读次数:274
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