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c++ Programming Glossary: abstractWhy do we need a pure virtual destructor in C++? http://stackoverflow.com/questions/1219607/why-do-we-need-a-pure-virtual-destructor-in-c use pure virtual destructor when we want to make a class abstract. But we can make a class abstract by making any of the member.. we want to make a class abstract. But we can make a class abstract by making any of the member functions as pure virtual. So my.. anybody give a good real time example When we are creating abstract classes is it a good practice to make the destructor also pure..
C++ Virtual/Pure Virtual Explained http://stackoverflow.com/questions/1306778/c-virtual-pure-virtual-explained required to be implemented by a derived class that is not abstract Wikipedia So the virtual function can be overriden and the pure..
Why pure virtual function is initialized by 0? http://stackoverflow.com/questions/2156634/why-pure-virtual-function-is-initialized-by-0 tell me whether this understanding is correct or not. c abstract class pure virtual share improve this question The reason..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior Standard define a parameterized nondeterministic abstract machine. Certain aspects and operations of the abstract machine.. abstract machine. Certain aspects and operations of the abstract machine are described in this International Standard as implementation.. sizeof int . These constitute the parameters of the abstract machine. Each implementation shall include documentation describing..
How do you declare an interface in C++? http://stackoverflow.com/questions/318064/how-do-you-declare-an-interface-in-c setup a class that represents an interface Is this just an abstract base class c inheritance interface abstract class pure virtual.. this just an abstract base class c inheritance interface abstract class pure virtual share improve this question To expand..
Why should I avoid multiple inheritance in C++? http://stackoverflow.com/questions/406081/why-should-i-avoid-multiple-inheritance-in-c was a A and or as if it was a B. In C an interface is an abstract class which has all its method declared pure virtual suffixed..
Compilers and argument order of evaluation in C++ http://stackoverflow.com/questions/621542/compilers-and-argument-order-of-evaluation-in-c n2798 draft C Certain other aspects and operations of the abstract machine are described in this International Standard as unspecified.. These define the nondeterministic aspects of the abstract machine. An instance of the abstract machine can thus have more.. aspects of the abstract machine. An instance of the abstract machine can thus have more than one possible execution sequence..
Pure virtual destructor in C++ http://stackoverflow.com/questions/630950/pure-virtual-destructor-in-c C Is it wrong to write class A public virtual ~A 0 for an abstract base class At least that compiles in MSVC... Will it crash at..
Subclass/inherit standard containers? http://stackoverflow.com/questions/6806173/subclass-inherit-standard-containers you are thinking Open Closed Principle . You should have abstract base classes and dynamic polymorphism runtime through inherited.. need that distinction for type safety. In those cases use abstract bases until the leaf classes which have the implementation...
Good C/C++ connector library for PostgreSQL http://stackoverflow.com/questions/1138503/good-c-c-connector-library-for-postgresql InterBase SQLBase MySQL PostgreSQL and ODBC SQLite . Abstract Database Connector is a C C library for making connections to..
error LNK1169: one or more multiply defined symbols found http://stackoverflow.com/questions/12132453/error-lnk1169-one-or-more-multiply-defined-symbols-found a phone number the function returns the right company The Abstract Client Class class AbsClient Abstract Client Class protected.. right company The Abstract Client Class class AbsClient Abstract Client Class protected string phone_number int counter CALL..
What are some techniques for limiting compilation dependencies in C++ projects? http://stackoverflow.com/questions/188449/what-are-some-techniques-for-limiting-compilation-dependencies-in-c-projects
C++ Abstract class operator overloading and interface enforcement question http://stackoverflow.com/questions/2059058/c-abstract-class-operator-overloading-and-interface-enforcement-question Abstract class operator overloading and interface enforcement question..
Using Iterators to hide internal container and achieve generic operation over a base container http://stackoverflow.com/questions/2191724/using-iterators-to-hide-internal-container-and-achieve-generic-operation-over-a class BaseContainer protected class BaseIteratorImpl Abstract class for the interface public class iterator public iterator..
Difference between a virtual function and a pure virtual function [duplicate] http://stackoverflow.com/questions/2652198/difference-between-a-virtual-function-and-a-pure-virtual-function function makes the class it is defined for abstract . Abstract classes cannot be instantiated. Derived classes need to override..
Trouble with inheritance of operator= in C++ http://stackoverflow.com/questions/3882186/trouble-with-inheritance-of-operator-in-c bool operator const A a return x a.x virtual int get 0 Abstract protected int x class B public A public B int x this x x int..
How to write an automated test for thread safety http://stackoverflow.com/questions/394900/how-to-write-an-automated-test-for-thread-safety safety I have a class which is not thread safe class Foo Abstract base class code which is not thread safe Moreover if you have..
Making a class abstract without any pure virtual methods http://stackoverflow.com/questions/4640985/making-a-class-abstract-without-any-pure-virtual-methods inheriting classes will not by default be abstract. struct Abstract virtual ~Abstract 0 Abstract ~Abstract struct Valid public Abstract.. will not by default be abstract. struct Abstract virtual ~Abstract 0 Abstract ~Abstract struct Valid public Abstract Notice you.. default be abstract. struct Abstract virtual ~Abstract 0 Abstract ~Abstract struct Valid public Abstract Notice you don't need..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly dynamic allocation so you can do things like this class Abstract public virtual void do 0 class Factory public Abstract create.. Abstract public virtual void do 0 class Factory public Abstract create Factory f Abstract a f.create a do In other cases factories.. void do 0 class Factory public Abstract create Factory f Abstract a f.create a do In other cases factories just help to solve..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c tedious. Therefore the grammar lacks a certain elegance. Abstract Data Type I defined a tree data structure using Boost Variant's..
Do ALL virtual functions need to be implemented in derived classes? http://stackoverflow.com/questions/8931612/do-all-virtual-functions-need-to-be-implemented-in-derived-classes answer anywhere else. Suppose I have the following class Abstract public virtual void foo 0 virtual void bar class Derived Abstract.. public virtual void foo 0 virtual void bar class Derived Abstract public virtual void foo Is it ok that class Derived does not.. It inherits the bar implementation from its ancestor class Abstract . This assumes that Abstract bar is implemented somewhere. The..
C++ Undefined Reference to vtable and inheritance http://stackoverflow.com/questions/9406580/c-undefined-reference-to-vtable-and-inheritance If you want your class A to act as an interface a.k.a Abstract class in C then you should make the method pure virtual. virtual..
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