c++ Programming Glossary: person

http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three

actually means. Let us consider a simple example class person std string name int age public person const std string name.. simple example class person std string name int age public person const std string name int age name name age age int main person.. const std string name int age name name age age int main person a Bjarne Stroustrup 60 person b a What happens here b a And..

typeid and typeof in C++

http://stackoverflow.com/questions/1986418/typeid-and-typeof-in-c

iostream #include typeinfo for 'typeid' to work class Person public ... Person members ... virtual ~Person class Employee.. typeinfo for 'typeid' to work class Person public ... Person members ... virtual ~Person class Employee public Person ..... work class Person public ... Person members ... virtual ~Person class Employee public Person ... Employee members ... int main..

Is there support in C++/STL for sorting objects by attribute?

http://stackoverflow.com/questions/2202731/is-there-support-in-c-stl-for-sorting-objects-by-attribute

in STL for this Say I have an class like this class Person public int getAge const double getIncome const .. .. and a vector.. const double getIncome const .. .. and a vector vector Person people I would like to sort the vector of people by their age.. the following way class AgeCmp public bool operator const Person p1 const Person p2 const return p1 getAge p2 getAge sort people.begin..

How to downsize std::vector?

http://stackoverflow.com/questions/253157/how-to-downsize-stdvector

Item 17 Use the swap trick to trim excess capacity. vector Person persons .swap persons After that persons is shrunk to fit ...

avoiding the tedium of optional parameters

http://stackoverflow.com/questions/2700940/avoiding-the-tedium-of-optional-parameters

to this new class. This can be used like so class Person class PersonOptions friend class Person string name_ int age_.. new class. This can be used like so class Person class PersonOptions friend class Person string name_ int age_ char gender_.. used like so class Person class PersonOptions friend class Person string name_ int age_ char gender_ public PersonOptions age_..

Overload resolution failure when streaming object via implicit conversion to string

http://stackoverflow.com/questions/6677072/overload-resolution-failure-when-streaming-object-via-implicit-conversion-to-str

and that the proper approach would be an op overload for Person . Consider the following code #include string #include ostream.. struct NameType operator std string return wobble struct Person NameType name int main std cout std string bobble std cout wibble.. name int main std cout std string bobble std cout wibble Person p std cout p.name It yields the following on GCC 4.3.4 prog.cpp..