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c++ Programming Glossary: leastHow do malloc() and free() work? http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work not return the memory to the operating system or at least only in rare cases . The reason is that you will get gaps in..
What is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 this is not guaranteed and the compiler has to produce at least one diagnostic message warning or error according to the C Standard...
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards this we are unlikely to do much more in the C 99 space at least in the short term . Jonathan Caves Visual C Compiler Team. This.. very hard to port modern gcc based code into MSVC which at least I find extremely painful. A workaround exists though Note that..
http://stackoverflow.com/questions/1610030/why-can-you-return-from-a-non-void-function-without-returning-a-value-without-pr that this doesn't produce an error by default in gcc at least I've always wondered why I understand that you can issue compiler..
What do the following phrases mean in C++: zero-, default- and value-initialization? http://stackoverflow.com/questions/1613341/what-do-the-following-phrases-mean-in-c-zero-default-and-value-initializat initialization value initialization was added. To say they least it's rather complex and when the different methods kick in are..
Get the IP address of the machine http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine my application is running on. The servers will have at least two IP addresses and I need a specific one the one in a given..
Undefined reference to static class member http://stackoverflow.com/questions/272900/undefined-reference-to-static-class-member Can anyone explain why following code won't compile At least on g 4.2.4. And more interesting why it will compile when I..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used type to any other class type a polymorphic type has at least one virtual function declared or inherited . You can use it..
When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete? http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new assuming a cleared lower bit. Large numbers byte values at least are less typical and are good at finding bad addresses. Atypical.. it was introduced but it was in the debug runtime by at least VS 2005 VC 8 . Initially the value used to fill these buffers..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c have pointed out this example isn't perfect for at least two reasons. Firstly due to the implementation of strings copying..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring is Unicode encoded on 2 bytes characters or at the very least the mostly compatible UCS 2 which is almost the same thing IIRC..
http://stackoverflow.com/questions/484635/are-global-variables-bad harder to the point of being virtually impossible or at least a complete waste of time . If you don't rely on global variables..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability there is no way at all to fulfill all these properties at least if you want your program to run on Windows. On Windows you have..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators Requirement #1 It should dynamically allocate at least size bytes of memory and return a pointer to the allocated memory... of a block of storage whose length in bytes shall be at least as large as the requested size... The standard further imposes..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops Upon further analysis of this I believe this is at least partially caused by data alignment of the four pointers. This..
how to find the location of the executable in C http://stackoverflow.com/questions/933850/how-to-find-the-location-of-the-executable-in-c directory. This step is not necessary in proc method at least for Linux . There the proc symlink points directly to executable...
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