c++ Programming Glossary: copies

http://stackoverflow.com/questions/1008019/c-singleton-design-pattern

they are unaccessable otherwise you may accidently get copies of your singleton appearing. S S const Don't Implement void..

Is there a difference in C++ between copy initialization and direct initialization?

http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati

copy initializes Value initializes a temporary and then copies that value into c2 Read 5.2.3 2 and 8.5 14 . This of course..

What are copy elision and return value optimization?

http://stackoverflow.com/questions/12953127/what-are-copy-elision-and-return-value-optimization

by most compilers to prevent extra potentially expensive copies in certain situations. It makes returning by value or pass by..

catch exception by pointer in C++

http://stackoverflow.com/questions/2023032/catch-exception-by-pointer-in-c

by pointer I only know that catch by value will invoke two copies of the object catch by reference will invoke one. So how about..

Dynamically allocating an array of objects

http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects

to the system. The compiler generated copy constructor copies each member variable by using that members copy constructor... shallow copy . The compiler generated assignment operator copies each member variable by using that members assignment operator...

What is move semantics?

http://stackoverflow.com/questions/3106110/what-is-move-semantics

to all expressions of type string which allows you to make copies in the following examples string a x Line 1 string b x y ..

What is The Rule of Three?

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

copying its members but copying the name member merely copies a pointer not the character array it points to This has several.. and the copy assignment operator explicitly to make deep copies of the character array 1. copy constructor person const person..

push_back vs emplace_back

http://stackoverflow.com/questions/4303513/push-back-vs-emplace-back

cases where a push_back is likely to make unnecessary copies or move . For example with the traditional insert function of..

Learning C++: polymorphism and slicing

http://stackoverflow.com/questions/4403726/learning-c-polymorphism-and-slicing

in C variables are objects. If you say rex Dog in C it copies a new Dog object into rex and since rex is actually of type..

What does T&& (double ampersand) mean in C++11?

http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11

moved resources. This is great for eliminating extraneous copies especially in standard library implementations. For example..

smart pointers (boost) explained

http://stackoverflow.com/questions/569775/smart-pointers-boost-explained

implemented by having a copy constructor. This naturally copies a smart pointer and both the copy and the original will reference..

What are the barriers to understanding pointers and what can be done to overcome them?

http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome

var h1 h2 THouse begin h1 THouse.Create 'My house' h2 h1 copies the address not the house ... h1 v ttttNNNNNNNNNN 1234My house.. var h1 h2 THouse begin h1 THouse.Create 'My house' h2 h1 copies the address not the house ... h1.Free h1 nil h2.OpenFrontDoor..

Polymorphism in c++

http://stackoverflow.com/questions/5854581/polymorphism-in-c

to expose implementation at compile time have multiple copies of the same logical function in the object code to support the..

Resolve circular dependencies in c++

http://stackoverflow.com/questions/625799/resolve-circular-dependencies-in-c

extents and purposes if you take the preprocessor out just copies the file into the .cc . So really the .cc looks like file partially_pre_processed_main.cc..

Why doesn't Java offer operator overloading? [closed]

http://stackoverflow.com/questions/77718/why-doesnt-java-offer-operator-overloading

real number '1' a b b.set 2 0 assert a.Equals b In C this copies the value so the comparison will result not equal. In Java operator.. will compare equal to itself. The difference between copies and references only adds to the confusion of operator overloading...

Why does the use of 'new' cause memory leaks?

http://stackoverflow.com/questions/8839943/why-does-the-use-of-new-cause-memory-leaks

private T pointer for this example I'll just forbid copies a smarter class could deal with this some other way automatic_pointer..