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c++ Programming Glossary: declaredhttp://stackoverflow.com/questions/1008019/c-singleton-design-pattern threading implications to singletons Singleton instance declared as static variable of GetInstance method See this article that..
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix together. Say you defined symbol a in a.cpp . Now b.cpp declared that symbol and used it. Before linking it simply assumes that..
http://stackoverflow.com/questions/1265039/using-std-namespace std count looks in the increment function as though it was declared at the global scope i.e. at the same scope as int count 0 and..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration used in the place of a declaration. An identifier can be declared as often as you want. Thus the following is legal in C and C.. once. If you forget to define something that's been declared and referenced somewhere then the linker doesn't know what to..
http://stackoverflow.com/questions/1461432/what-is-array-decaying It's said that arrays decay into pointers. A C array declared as int numbers 5 cannot be re pointed i.e. you can't say numbers..
http://stackoverflow.com/questions/162941/why-use-pointers value. Using malloc calloc or similar. This since you only declared one element in your array one single memory address to point..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used to take the const off a reference to something that wasn't declared with const it is safe. This can be useful when overloading member.. type a polymorphic type has at least one virtual function declared or inherited . You can use it for more than just casting downwards..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three in some valid state that needs to be dealt with. Since we declared neither the copy constructor nor the assignment operator nor..
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 An aggregate is an array or a class clause 9 with no user declared constructors 12.1 no private or protected non static data members.. and or a copy constructor as long as they are implicitly declared by the compiler and not explicitly by the user No private or.. for aggregate classes An aggregate class can have a user declared user defined copy assignment operator and or destructor An array..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public to type of access specifiers they are Public The members declared as Public are accessible from outside the Class through an object.. through an object of the class. Protected The members declared as Protected are accessible from outside the class BUT only..
Difference between 'struct' and 'typedef struct' in C++? http://stackoverflow.com/questions/612328/difference-between-struct-and-typedef-struct-in-c the typedef namespace. This means it also can't be forward declared. If you want to make a forward declaration you have to give..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement can't variables be declared in a switch statement I've always wondered this why can't you..
What are the differences between struct and class in C++ http://stackoverflow.com/questions/92859/what-are-the-differences-between-struct-and-class-in-c a base class public is assumed when the derived class is declared struct and private is assumed when the class is declared class.. declared struct and private is assumed when the class is declared class . And just for completeness' sake the more widely known..
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