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Avoiding if statement inside a for loop?
...ormance penalty.
The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Contain...
How to get current timestamp in milliseconds since 1970 just the way Java gets
...
If you have access to the C++ 11 libraries, check out the std::chrono library. You can use it to get the milliseconds since the Unix Epoch like this:
#include <chrono>
// ...
using namespace std::chrono;
milliseconds ms = duration_cast< mi...
Does Qt support virtual pure slots?
...
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 ...
SVG: text inside rect
...ct element ( so it appears on top ).
<svg xmlns="http://www.w3.org/2000/svg">
<g>
<rect x="0" y="0" width="100" height="100" fill="red"></rect>
<text x="0" y="50" font-family="Verdana" font-size="35" fill="blue">Hello</text>
</g>
</s...
Static variables in member functions
...an someone please explain how static variables in member functions work in C++.
4 Answers
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WCF Service , how to increase the timeout?
...rning WCF http://ecx.images-amazon.com/images/I/51GNuqUJq%2BL._BO2,204,203,200_PIsitb-sticker-arrow-click,TopRight,35,-76_AA240_SH20_OU01_.jpg
and you also spend some time watching her 15-part "WCF Top to Bottom" screencast series - highly recommended!
For more advanced topics I recommend that you...
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...
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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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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