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Why does the C++ map type argument require an empty constructor when using []?
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Excellent answer -- note also emplace in C++11 as a terse alternative to insert.
– prideout
Nov 18 '14 at 19:32
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Why the switch statement cannot be applied on strings?
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The reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string.
In order to generate the code for a switch statement the compi...
What are the GCC default include directories?
...he output of the following commands:
For C:
gcc -xc -E -v -
For C++:
gcc -xc++ -E -v -
The credit goes to Qt Creator team.
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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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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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Exporting functions from a DLL with dllexport
I'd like a simple example of exporting a function from a C++ Windows DLL.
4 Answers
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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...
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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