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c++ Programming Glossary: heap

C++ Singleton design pattern

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

I can deduce that the instance field is initiated on the heap. That means there is a memory allocation. What is completely..

What is a smart pointer and when should I use one?

http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one

a dangling reference. Create the smart pointer on the heap MyObjectPtr pp new MyObjectPtr new MyObject Hmm we forgot to..

How do malloc() and free() work?

http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work

rare cases . The reason is that you will get gaps in your heap and thus it can happen that you just finish of your 2 or 4 GB..

In what cases do I use malloc vs new?

http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new

is incorrect may delete only one element may corrupt the heap or worse... delete pBuffer Instead you should do this when deleting..

Variable length arrays in C++?

http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c

std vector int values m but this allocates memory from the heap and not the stack. And if I want a multidimensional array like..

What uses are there for “placement new”?

http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new

string hi placement new string q new string hi ordinary heap allocation You may also want to be sure there can be no allocation..

What is move semantics?

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

a very simple string class which only holds a pointer to a heap allocated block of memory #include cstring #include algorithm.. 0 What have we done here Instead of deeply copying the heap data we have just copied the pointer and then set the original.. the argument but its construction was trivial since the heap data didn't have to be copied just moved. It wasn't necessary..

What are all the common undefined behaviour that a C++ programmer should know about? [closed]

http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab

that is negative or beyond the size of that object stack heap overflow Integer Overflows Signed integer overflow Evaluating..

RAII and smart pointers in C++

http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c

errors So what's the solution We could create str on the heap using new that way when foo is completed str won't be destroyed... have an invalid log file. We could construct file on the heap and pass a pointer to file to both foo and bar void setLog const..

What are the differences between pointer variable and reference variable in C++?

http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c

Note What a pointer points to can be on the stack or heap. Ditto a reference. My claim in this statement is not that a.. the same as the variable it references. More on stack vs heap . This implies that there is a real address of a reference that..

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

ahead of time. The compiler generates calls into a heap manager that knows how to dynamically allocate storage when.. use stacks for temporary stores because they are really cheap and easy. An implementation of C is not required to use a stack.. to use a stack for storage of locals it could use the heap. It doesn't because that would make the program slower. An implementation..

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

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

corresponding region of memory for each the stack and the heap. Stack The stack always allocates memory in a sequential fashion... destructors are invoked to clean up resources. Heap The heap allows for a more flexible memory allocation mode. Bookkeeping.. the absence of an implicit release point is the key to the heap's flexibility. Reasons to use dynamic allocation Even if using..

Why does my STL code run so slowly when I have the debugger/IDE attached?

http://stackoverflow.com/questions/1060337/why-does-my-stl-code-run-so-slowly-when-i-have-the-debugger-ide-attached

2000 and above the default heap is the Low Fragmentation Heap which is insanely good compared to the debug heap. You can query.. heap. You can query the kind of heap you are using with HeapQueryInformation . To solve your particular problem you can use..

Why not use pointers for everything in C++?

http://stackoverflow.com/questions/1064325/why-not-use-pointers-for-everything-in-c

differences First the obvious and less important one Heap allocations are slow. Stack allocations are fast. Second and..

Heap corruption under Win32; how to locate?

http://stackoverflow.com/questions/1069/heap-corruption-under-win32-how-to-locate

corruption under Win32 how to locate I'm working on a multithreaded..

Global memory management in C++ in stack or heap?

http://stackoverflow.com/questions/1169858/global-memory-management-in-c-in-stack-or-heap

data data segment Uninitialized data bss segment Heap Stack If you really want to learn what is saved where then read..

C++, Free-Store vs Heap

http://stackoverflow.com/questions/1350819/c-free-store-vs-heap

Free Store vs Heap Dynamic allocations with new delete are said to take place.. make a distinction between the two terms Free store and Heap not new malloc c memory management share improve this question.. have their addresses taken or be otherwise manipulated. Heap The heap is the other dynamic memory area allocated freed by..

C++ Which is faster: Stack allocation or Heap allocation

http://stackoverflow.com/questions/161053/c-which-is-faster-stack-allocation-or-heap-allocation

Which is faster Stack allocation or Heap allocation This question may sound fairly elementary but this..

Can a C++ class determine whether it's on the stack or heap?

http://stackoverflow.com/questions/2054710/can-a-c-class-determine-whether-its-on-the-stack-or-heap

depending on whether it's allocated on the Stack or the Heap. Edit Alof of people have asked me why do this The answer I'm..

C++ Pointer Objects vs. Non Pointer Objects [duplicate]

http://stackoverflow.com/questions/2715198/c-pointer-objects-vs-non-pointer-objects

in C Proper stack and heap usage in C Stack Static and Heap in C c pointers object share improve this question The..

Stack,Static and Heap in C++

http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c

Static and Heap in C I've searched but I've not understood very well these.. to automatically go away when you leave that code. Heap allocations dynamically allocated memory is useful when you..

Why is there no base class in C++?

http://stackoverflow.com/questions/5697328/why-is-there-no-base-class-in-c

to be polymorphic that implies memory and access cost. Heap objects don't naturally support copy semantics. Heap objects.. cost. Heap objects don't naturally support copy semantics. Heap objects don't support simple scoped behavior which complicates..

How to solve Memory Fragmentation

http://stackoverflow.com/questions/60871/how-to-solve-memory-fragmentation

can tell me the best one 1 Use Windows Low fragmentation Heap 2 jemalloc as used in Firefox 3 3 Doug Lea's malloc Our server..

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

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

where destructors are invoked to clean up resources. Heap The heap allows for a more flexible memory allocation mode...

Heap vs Stack allocation

http://stackoverflow.com/questions/6713637/heap-vs-stack-allocation

vs Stack allocation I am alittle bit confused on topic of allocating.. Whats happening in this case Where does allocation happen Heap or stack Do I still need to call delete v But this is not all.. int x y z Vector v new Vector wheres x y z allocated Heap or stack or how about this class Vector2 int items 10 Vector2..

Of Memory Management, Heap Corruption, and C++

http://stackoverflow.com/questions/7525/of-memory-management-heap-corruption-and-c

Memory Management Heap Corruption and C So I need some help. I am working on a project.. was an invalid free. I have to admit to getting the term 'Heap Corruption' from a Google search any general purpose articles..

cudaMemcpy segmentation fault

http://stackoverflow.com/questions/15431365/cudamemcpy-segmentation-fault

186 19340 by 0x40A6CD main Transport.cu 81 19340 19340 HEAP SUMMARY 19340 in use at exit 2 611 365 bytes in 5 017 blocks..

Why does valgrind say basic SDL program is leaking memory?

http://stackoverflow.com/questions/1997171/why-does-valgrind-say-basic-sdl-program-is-leaking-memory

h for copyright info 3271 Command . test 3271 3271 3271 HEAP SUMMARY 3271 in use at exit 91 097 bytes in 1 258 blocks 3271..

How to write a correct Hash Table destructor in c++

http://stackoverflow.com/questions/20037721/how-to-write-a-correct-hash-table-destructor-in-c

newnode But I keeps getting memory leak error 13676 13676 HEAP SUMMARY 13676 in use at exit 12 bytes in 1 blocks 13676 total..

Why is a POD in a struct zero-initialized by an implicit constructor when creating an object in the heap or a temporary object in the stack?

http://stackoverflow.com/questions/4932781/why-is-a-pod-in-a-struct-zero-initialized-by-an-implicit-constructor-when-creati

STACK Num c.n std endl Container pc new Container std cout HEAP Num pc n std endl delete pc Container tc Container std cout.. Num tc.n std endl I get this output STACK Num 1079504552 HEAP Num 0 TEMP Num 0 Is this some compiler specific behaviour I..

valgrind memory leak errors when using pthread_create

http://stackoverflow.com/questions/5610677/valgrind-memory-leak-errors-when-using-pthread-create

full i get the following errors description 11784 11784 HEAP SUMMARY 11784 in use at exit 4 952 bytes in 18 blocks 11784..

In C++, where in memory are class functions put?

http://stackoverflow.com/questions/648647/in-c-where-in-memory-are-class-functions-put

that each object when created will be given space in the HEAP for member variables and I think that all the code for every.. that each object when created will be given space in the HEAP for member variables . Each object you create will take some..

Uninitialized memory blocks in VC++

http://stackoverflow.com/questions/65724/uninitialized-memory-blocks-in-vc

using an allocator hook like this. This will only work on HEAP allocated object int main int argc char arv Call first to register..

Internal representation of objects

http://stackoverflow.com/questions/8196833/internal-representation-of-objects

that when you do ObjectA.field1 what actually happens is HEAP Address of ObjectA field1 which returns you the value of the..