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c++ Programming Glossary: sizeofWhy isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member isn't sizeof for a struct equal to the sum of sizeof of each member Why.. isn't sizeof for a struct equal to the sum of sizeof of each member Why does the 'sizeof' operator return a size.. equal to the sum of sizeof of each member Why does the 'sizeof' operator return a size larger for a structure than the total..
What uses are there for “placement new”? http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new a pre allocated buffer takes less time char buf new char sizeof string pre allocated buffer string p new buf string hi placement..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior Standard as implementation defined for example sizeof int . These constitute the parameters of the abstract machine...
Is it possible to write a C++ template to check for a function's existence? http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence template typename C static two test ... public enum value sizeof test T 0 sizeof char int main int argc char argv std cout has_helloworld.. C static two test ... public enum value sizeof test T 0 sizeof char int main int argc char argv std cout has_helloworld Hello..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special . The following example assumes T is a POD type #define N sizeof T char buf N T obj obj initialized to its original value memcpy..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c types that have absolutely nothing to do with each other. sizeof T n is equivalent to n sizeof T . Array to pointer decay The.. to do with each other. sizeof T n is equivalent to n sizeof T . Array to pointer decay The only connection between T n and..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers C static int test ... public static const bool value sizeof test T 0 sizeof char Basic is_container template specialize.. test ... public static const bool value sizeof test T 0 sizeof char Basic is_container template specialize to derive from.. pretty_print pretty_tuple_helper const tuple Args... sizeof... Args TChar TCharTraits print stream value if pretty_print..
http://stackoverflow.com/questions/589575/size-of-int-long-etc or C implementation can define the size of a type in bytes sizeof type to any value as long as the expression sizeof type CHAR_BIT.. bytes sizeof type to any value as long as the expression sizeof type CHAR_BIT evaluates to the number of bits enough to contain.. ranges and the ordering of type is still valid e.g. sizeof int sizeof long . The actual implementation specific ranges..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords T void ... template typename U struct inUnion char fail sizeof U Cannot be instantiated for any U template struct inUnion T..
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