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c++ Programming Glossary: fredC++ : handle resources if constructors may throw exceptions (Reference to FAQ 17.4] http://stackoverflow.com/questions/1230423/c-handle-resources-if-constructors-may-throw-exceptions-reference-to-faq-17 my example class class Foo public Foo int error 0 p new Fred throw error Force throw trying to understand what will happen.. what will happen to p ~Foo if p delete p p 0 private Fred p int main try Foo lptr new Foo catch ... The consturctor..
Benefits of Initialization lists http://stackoverflow.com/questions/1598967/benefits-of-initialization-lists class members which are not build in. For example Fred Fred x_ whatever is preferable to Fred Fred x_ whatever if x.. class members which are not build in. For example Fred Fred x_ whatever is preferable to Fred Fred x_ whatever if x is an.. in. For example Fred Fred x_ whatever is preferable to Fred Fred x_ whatever if x is an object of a custom class. Other..
Why [] is used in delete ( delete [] ) to free dynamically allocated array? http://stackoverflow.com/questions/1913853/why-is-used-in-delete-delete-to-free-dynamically-allocated-array number of destructor calls. See also 16.14 After p new Fred n how does the compiler know there are n objects to be destructed.. allocate the array and put n just to the left of the first Fred object . Use an associative array with p as the key and n as..
What are uses of the C++ construct “placement new”? http://stackoverflow.com/questions/362953/what-are-uses-of-the-c-construct-placement-new new Must #include this to use placement new #include Fred.h Declaration of class Fred void someCode char memory sizeof.. to use placement new #include Fred.h Declaration of class Fred void someCode char memory sizeof Fred void place memory Fred.. Declaration of class Fred void someCode char memory sizeof Fred void place memory Fred f new place Fred Create a pointer to..
C++: const reference, before vs after type-specifier http://stackoverflow.com/questions/3694630/c-const-reference-before-vs-after-type-specifier is the difference between the arguments in int foo1 const Fred arg ... and int foo2 Fred const arg ... I don't see this case.. the arguments in int foo1 const Fred arg ... and int foo2 Fred const arg ... I don't see this case covered in the parashift.. to the so both represent a reference to an immutable Fred instance. Fred const would mean the reference itself is immutable..
C++ : handle resources if constructors may throw exceptions (Reference to FAQ 17.4] http://stackoverflow.com/questions/1230423/c-handle-resources-if-constructors-may-throw-exceptions-reference-to-faq-17 to have p as a boost smart pointer than a raw pointer to fred. Thanks. c exception share improve this question There..
Why does everybody use unanchored namespace declarations (i.e. std:: not ::std::)? http://stackoverflow.com/questions/1661912/why-does-everybody-use-unanchored-namespace-declarations-i-e-std-not-std not the root one. Here is an example of what I mean In fred Foo.h #include string namespace fred class Foo public void aPublicMember.. of what I mean In fred Foo.h #include string namespace fred class Foo public void aPublicMember const std string s end namespace.. public void aPublicMember const std string s end namespace fred In fred Bar.h namespace fred namespace std A standard fred component..
http://stackoverflow.com/questions/2122986/why-does-endl-get-used-as-a-synonym-for-n-even-though-it-incurs-significant-p i msg ' n' return 0 when timed like so time . joe 10000000 fred dev null real 0m15.410s user 0m10.551s sys 0m0.166s takes 15.4.. you end up with something like this time . joe 10000000 fred dev null real 0m39.115s user 0m16.482s sys 0m15.803s As you..
C++ specialization of template function inside template class http://stackoverflow.com/questions/4994775/c-specialization-of-template-function-inside-template-class operator X c1 xthis const std string param return_t fred 0 return friendlyGetThing c1 getThing xthis param fred template.. fred 0 return friendlyGetThing c1 getThing xthis param fred template class c1 class X public friend class friendlyGetThing..
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