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Does Qt support virtual pure slots?
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Yes, just like regular c++ pure virtual methods. The code generated by MOC does call the pure virtual slots, but that's ok since the base class can't be instantiated anyway...
Again, just like regular c++ pure virtual methods, the class cannot be ...
Static variables in member functions
...an someone please explain how static variables in member functions work in C++.
4 Answers
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Using jQuery how to get click coordinates on the target element
... anyone need further clarification may read stackoverflow.com/questions/3202008/… for convenience sake
– simongcc
May 9 '14 at 3:24
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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就只能是将其单独部 署在一台服务器上。另外，MongoDB也不能严格的支持事务，对于并发写入的锁的粒度也非常粗。
TokuMX的出现解决了这一切，它为MongoDB替换了一颗真正的数据库存储引擎，我们现在可以像使用MySQL数据库一样...
Reason to Pass a Pointer by Reference in C++?
Under which circumstances would you want to use code of this nature in c++?
6 Answers
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How to overload std::swap()
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In C++2003 it's at best underspecified. Most implementations do use ADL to find swap, but no it's not mandated, so you can't count on it. You can specialize std::swap for a specific concrete type as shown by the OP; just don't...
What is “stdafx.h” used for in Visual Studio?
...n I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...tion pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .)
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How do I clear a search box with an 'x' in bootstrap 3?
..."></span>
</div>
and some CSS:
#searchinput {
width: 200px;
}
#searchclear {
position: absolute;
right: 5px;
top: 0;
bottom: 0;
height: 14px;
margin: auto;
font-size: 14px;
cursor: pointer;
color: #ccc;
}
and Javascript:
$("#searchclear")....
Are global variables bad? [closed]
In C/C++, are global variables as bad as my professor thinks they are?
28 Answers
28
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