¡@

Home 

c++ Programming Glossary: memory

What is the copy-and-swap idiom?

http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom

happens without setting it to null we attempt to delete memory that's already been deleted We avoid this by setting it to null..

What is The Rule of Three?

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

the constructor acquires a resource in this case dynamic memory obtained via new person const char the_name int the_age name.. I pushed a person into a vector and now I get crazy memory errors Remember that by default copying an object means copying.. to before the assignment sooner or later you will get memory leaks all over the place. Explicit definitions Since memberwise..

How do I use arrays in C++?

http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c

not stored as part of the array itself or anywhere else in memory . An array is not a pointer. static_assert std is_same int 8..

Can a local variable's memory be accessed outside its scope?

http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope

a local variable's memory be accessed outside its scope I have the following code. int.. exceptions The output was 5 8 How can it be Isn't the memory of a local variable inaccessible outside its function c memory.. of a local variable inaccessible outside its function c memory management local variables dangling share How can it be..

What is the difference between new/delete and malloc/free?

http://stackoverflow.com/questions/240212/what-is-the-difference-between-new-delete-and-malloc-free

improve this question new delete Allocate release memory Memory allocated from 'Free Store' Returns a fully typed pointer. new.. destroy the object malloc free Allocates release memory Memory allocated from 'Heap' Returns a void Returns NULL on failure..

When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new

by compiler version Value Name Description 0xCD Clean Memory Allocated memory via malloc or new but never written by the.. or new but never written by the application. 0xDD Dead Memory Memory that has been released with delete or free. Used to.. but never written by the application. 0xDD Dead Memory Memory that has been released with delete or free. Used to detect..

std::wstring VS std::string

http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring

low level API function to set the label on a Win32 GUI . Memory issues UTF 32 is 4 bytes per characters so there is no much..

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

of pointers then you should ignore the parts labelled Memory layout in the explanation below. They are intended to give examples.. will choose the spot. THouse.Create 'My house' Memory layout ttttNNNNNNNNNN 1234My house Keep a variable with the.. in it. var h THouse begin h THouse.Create 'My house' ... Memory layout h v ttttNNNNNNNNNN 1234My house Copy pointer value Just..

Why should `new` be used as little as possible?

http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible

as possible I stumbled upon the Stack Overflow question Memory leak with std string when using std list std string and one..