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Discuz X3涂鸦板无法使用问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Discuz X3涂鸦板无法使用问题解决现象:调查思路:浏览器F12或右键查看Flash展示处的html源码:<embed width="438" height="304"src="static image common doodle.swf?fid...现象: 调查思路: 浏览器F12或右键查看Flash展示处的html源码: <embed wi...
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推广期间,技术问题解决、技术调查免费啦! - 免费信息发布 - 清泛IT社区,...

...截止暂定:2015-12-31),每一注册用户将获得两次免费的问题解决或技术调查机会,将由清泛网组织专人在线解决问题、完成技术调查。 要求:问题或需求描述清晰,可随时在线沟通。 范围:技术调查工作量须控制在2人日(...
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What is the difference between atomic / volatile / synchronized?

... This works in single thread but nowadays, in the era of multi-core, multi-CPU, multi-level caches it won't work correctly. First of all it introduces race condition (several threads can read the value at the same time), but also visibility problems. The value might only be stored in "local" CPU mem...
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How do I choose between Semaphore and SemaphoreSlim?

...because it uses a spin wait. This is more responsive, but eats up a lot of CPU and would be wasteful for longer wait periods where instantaneous responses are less important. Semaphore blocks the thread instead. – r2_118 Jan 4 '16 at 22:34 ...
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What is a “thread” (really)?

... @Richard: The exact list of CPU registers depends on the architecture, but instruction pointer and stack pointer are pretty much universal. They define a thread insofar as when this thread (set of register values) is loaded in the processor core, the t...
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C++字符串截断时中文的处理问题(中文被截断怎么处理?) - C/C++ - 清泛网...

C++字符串截断时中文的处理问题(中文被截断怎么处理?) 防止后台错误消息中汉字双字节被截断出现乱码if (pRspMsg->RspMsg.buf[pRspMsg->RspMsg.Length() - 2] & 0x80) pRspMsg->Rsp...// 防止后台错误消息中汉字双字节被截断出现乱码 if (pRs...
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译文:理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...。既然它们是一些不知名的概念,我简单就着前面的三个问题来说明一下。 强引用(Strong Reference) 强引用就是我们经常使用的引用,其写法如下 StringBuffer buffer = new StringBuffer(); 上面创建了一个StringBuffer对象,并将这个对象的...
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windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...e &ndash;d &ndash;r d:/svnserversoftware/myrepository 以下转载若干问题 1、不知道该怎么设置 svn://url 这个路径 2、三个需要设置的文件,其中authz这个里面的[repos:/]这个到底该怎么设置 3、认证失败问题出在哪里? 4、svn import 目录1 "s...
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How do you add a timer to a C# console application

...for (; ; ) { // add a sleep for 100 mSec to reduce CPU usage Thread.Sleep(100); } } } And here is the resulting output: c:\temp&gt;timer.exe Creating timer: 5:22:40 Tick: 5:22:40 Tick: 5:22:41 Tick: 5:22:42 Tick: 5:2...
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

创建增量同步Oracle物化视图问题我们采用Oracle的物化视图增量刷新机制定时将数据库A上的某个表的数据同步到另一个数据库B上。我们常用的最简单的实现步骤是这样。首先在数...我们采用Oracle的物化视图增量刷新机制定时将数...