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Concept behind these four lines of tricky C code

Why does this code give the output C++Sucks ? What is the concept behind it? 9 Answers ...
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Why does C# disallow readonly local variables?

... -1 In C++ there's no machine code support for const (which in C++ is more like C# readonly than like C# const, although it can play both roles). Yet C++ supports const for local automatic variable. Hence the lack of CLR support for...
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灾难恢复RTO 与 RPO - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...于停业状态;二是网络多长时间能够恢复;三是业务层面恢复。整个恢复过程中,最关键衡量指标有两个:一个是 RTO,另一个是 RPO。 所谓 RTO,Recovery Time Objective,它是指灾难发生后,从 IT 系统当机导致业务停顿之时开...
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socks5代理工作流程及技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...流程及技术原理socks5-proxy-protocolsocks5协议是一款广泛使用代理协议,它在使用TCP IP协议通讯前端机器和服务器机器之间扮演一个中介角色,使得内部网中前端机器变得能够访问Internet网中服 一、socks5协议 socks5协议是...
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Generate random numbers following a normal distribution in C/C++

...n I easily generate random numbers following a normal distribution in C or C++? 18 Answers ...
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使用std::string作为std::mapkey出错解决 - C/C++ - 清泛网 - 专注C/C++及内核技术

使用std::string作为std::mapkey出错解决c: program files (x86) microsoft visual studio 11.0 vc include xstddef(180): error C2784: bool std::operator <(const st...c:\program files (x86)\microsoft visual studio 11.0\vc\include\xstddef(180): error C2784: “bool std::operator <(const std:...
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What happens if I define a 0-size array in C/C++?

... FYI, as a general rule, the (C or C++) standards only state what compilers must allow, but not what they must disallow. In some cases, they will state that the compiler should issue a "diagnostic" but that's about as specific as they get. The rest is left t...
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更改MFC对话框默认窗口类名 - C/C++ - 清泛网 - 专注C/C++及内核技术

更改MFC对话框默认窗口类名Windows操作系统中有一个概念——窗口类。窗口类是抽象,它可以有很多窗口实例,即HWND CWnd。在一个程序中,你可以定制并注册一个窗口类...Windows操作系统中有一个概念——窗口类。窗口类是抽...
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phpcms v9 留言板两种实现方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

phpcms v9 留言板两种实现方法phpcms留言板插件,解压后直接复制到网站更目录。然后在后台里面找到模块管理进行安装,安装后。前台访问地址 index php?m=guestbook 留言 第一种方法:使用phpcms留言板插件。 解压后直接复制到网...
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XenApp & XenDesktop - 更多技术 - 清泛网 - 专注C/C++及内核技术

...给用户。全球范围内已有1亿多用户使用XenApp,借助公认广泛应用兼容性,它有着非常光明前景。 虚拟应用交付使IT部门只需在数据中心内一个应用中心管理每种应用单一实例。然后,应用通过应用流技术交付到Windows ...