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What is the performance cost of having a virtual method in a C++ class?
Having at least one virtual method in a C++ class (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer.
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Exporting functions from a DLL with dllexport
I'd like a simple example of exporting a function from a C++ Windows DLL.
4 Answers
4
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C/C++ include header file order
...re this is to include your headers before any other headers.
"Thinking in C++" in particular mentions this, referencing Lakos' "Large Scale C++ Software Design":
Latent usage errors can be avoided by ensuring that the .h file of a component parses by itself – without externally-provided declarat...
What is wrong with using goto? [duplicate]
...go):
What is actually wrong with it? Why are goto's even possible in C++ then?
6 Answers
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How to link C++ program with Boost using CMake
What should my CMake file look like for linking my program with the Boost library under Ubuntu?
6 Answers
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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
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@WTP - which is a good reason to always use new in C++ and always compile C with a C compiler and not a C++ compiler.
– Flexo♦
Sep 25 '11 at 12:16
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
C++11 introduced a standardized memory model, but what exactly does that mean? And how is it going to affect C++ programming?
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View array in Visual Studio debugger? [duplicate]
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You can try this nice little trick for C++. Take the expression which gives you the array and then append a comma and the number of elements you want to see. Expanding that value will show you elements 0-(N-1) where N is the number you add after the comma.
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What is the difference between char * const and const char *?
...char *
and
char const *
The exact reason for this is described in the C++ standard, but it's important to note and avoid the confusion. I know several coding standards that prefer:
char const
over
const char
(with or without pointer) so that the placement of the const element is the same ...
What is the difference between the dot (.) operator and -> in C++? [duplicate]
What is the difference between the dot (.) operator and -> in C++?
14 Answers
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