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c++ Programming Glossary: happensIs there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati constructor note that no const qualification conversion happens here either . And so direct initialization will call it. Copy..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one Use the object in some way. Destruction of the object happens depending on the policy the smart pointer class uses. Destruction..
Why do people say there is modulo bias when using a random number generator? http://stackoverflow.com/questions/10984974/why-do-people-say-there-is-modulo-bias-when-using-a-random-number-generator see this article for a general overview on rand . Now what happens if you want to generate a random number between say 0 and 2...
How do malloc() and free() work? http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work additional data and with smaller sizes more fragmentation happens. The free list is also the first location malloc looks for a..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions within a few minutes it doesn't work so the worst that happens is a few people waste a bit of time until they bother to STFW..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol them to get convinced . However something different happens at the end of step 4 after replacing the #include a.h directive..
Why does an overridden function in the derived class hide other overloads of the base class? http://stackoverflow.com/questions/1628768/why-does-an-overridden-function-in-the-derived-class-hide-other-overloads-of-the every time someone asks a question about why name hiding happens people who respond either say that this called name hiding and..
strange output in comparison of float with float literal http://stackoverflow.com/questions/1839422/strange-output-in-comparison-of-float-with-float-literal double precision share improve this question This happens because in your statement if f 0.7 the 0.7 is treated as a double...
In C++, what is a virtual base class? http://stackoverflow.com/questions/21558/in-c-what-is-a-virtual-base-class this scenario you have the possibility of ambiguity. What happens when you do this D d d.Foo is this B's Foo or C's Foo Virtual..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming data we need a guarantee that the read write actually happens that the compiler won't just store the value in a register instead..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom the destructor of dumb_array might be called and if that happens without setting it to null we attempt to delete memory that's..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems the object after it has been destroyed. This only happens if you access the object from the destructor of another global..
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 as 0xCD and 0xDD. What I want to know is when and why this happens. When Is this specific to the compiler used Do malloc new and..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three int main person a Bjarne Stroustrup 60 person b a What happens here b a And here If you are puzzled by the name name age age..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points to do with the value which ends up being stored in i which happens over in i and so there's no good way to define either for our..
What is the proper declaration of main? http://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main system specific Have those rules changed over time What happens if I violate them c main c faq share improve this question..
Testing stream.good() or !stream.eof() reads last line twice [duplicate] http://stackoverflow.com/questions/4324441/testing-stream-good-or-stream-eof-reads-last-line-twice this happen and how do I fix it Something very similar happens with ifstream f x.txt string line while f.eof getline f line..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c For example T p array 0 rewritten as array 0 decay happens due to the addition T q array decay happens due to the assignment.. array 0 decay happens due to the addition T q array decay happens due to the assignment On the first line the compiler detects..
Difference between private, public, and protected inheritance in C++ http://stackoverflow.com/questions/860339/difference-between-private-public-and-protected-inheritance-in-c existence of and thus be able to access . next The same happens with public private and protected inheritance. Let's consider..
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