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public friend swap member function
... friend void bar();
};
void bar()
{
// baz
}
However, when ADL was invented this was removed. The friend function could then only be found via ADL; if you wanted it as a free function, it needed to be declared as so (see this, for example). But lo! There was a problem.
If you just use std::...
大数据:用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...。我们其实很容易可以推倒,一个理财产品如果投放游戏社区这种渠道,其运营效果可能并不会太好,可如果换成彩票、博彩,可能效果就很好;同理,传奇这一类的游戏的宣传与活动如果投放到女性社区平台,其效果几乎也可...
PHP大潮将至 PHP近年发展分析 - 创意 - 清泛网 - 专注C/C++及内核技术
...到位。
关于PHP应用的安全,则得益于PHP是开源的。在PHP社区有500多个PHP编写工程师在支持着PHP,源代码的公布为它赢得广泛的支持。当然,在讲到PHP的安全性的时候,不能不提到LAMP架构。基于LAMP平台的稳定性从它在国内各大...
Best Practices: Salting & peppering passwords?
...s the concept of a pepper, it requires you to either compose algorithms or invent new ones to support a pepper. And if you can't immediately see why that's a really bad thing:
Anyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can't break.
...
Merging: Hg/Git vs. SVN
... the repository can simply be on a shared local server. DVCSes were mostly invented for large, geographically distributed teams (both git and mercurial were intended to manage the Linux kernel code) and open source projects (hence the popularity of GitHub). Inertia can also be seen as an evaluation ...
中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术
...知名的创业空间品牌:优客工场、中关村创业大街、小样社区、科创慧谷、Binggo咖啡,将以“园区+街区+社区”三区联动、“产业+创业+商业+物业”四业混合、“创业+工作+学习+居住+社交+消费”六维并举的理念,打造多形态创...
What is in your Mathematica tool bag? [closed]
... (?) history: That style of hack for "wrapping" a
built-in function was invented around 1994 by Robby Villegas and I,
ironically for the function Message, in a package called ErrorHelp
that I wrote for the Mathematica Journal back then. It has been used
many times, by many people, since ...
CORS - What is the motivation behind introducing preflight requests?
...hat they would never receive, e.g. a cross-domain DELETE request that they invented the preflight mechanism to allow both sides to opt-in. They felt that the alternative, which would have been to simply enable the cross-domain calls, would have broken too many existing applications.
There are three...
Why does SIGPIPE exist?
...
@Arvid SIGPIPE was invented by Unix people, to solve a problem they were having in their environment in which filter programs are extremely common, All we have to do is read the boot scripts that bring up the system.
– Kaz...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...opinions.It is true you will have a bit of lag for the latest and greatest inventions in the .NET world, but so far, .NET 2.0 on Windows and Linux is very solid for me.
Keep in mind there are obviously many quirks to this, but most of them come from making sure you are writing portable code. While ...
