c++ Programming Glossary: freed

http://stackoverflow.com/questions/1010106/how-to-debug-heap-corruption-errors

helps catch use of uninitialized vars free fill fill in freed memory with a magic non 0 value designed to trigger a segfault.. helps catch dangling pointers delayed free don't return freed memory to the heap for a while keep it free filled but not available..

Why not use pointers for everything in C++?

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

errors too. If the allocation of y fails x never gets freed and if the Pixel gets copied we end up with both instances trying..

Any reason to overload global new and delete?

http://stackoverflow.com/questions/1152511/any-reason-to-overload-global-new-and-delete

bug in an overloaded delete function memory wasn't always freed. And that was in a not so memory critical application. Also..

C++, Free-Store vs Heap

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

store is one of the two dynamic memory areas allocated freed by new delete. Object lifetime can be less than the time the.. Heap The heap is the other dynamic memory area allocated freed by malloc free and their variants. Note that while the default..

C++ Vector of Pointers to Objects

http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects

i 100 i c.push_back make_unique derived all automatically freed here int main foo shared_ptr has reference counting copy semantics.. i c.push_back std make_shared derived all automatically freed here int main foo Remember you generally want to use std unique_ptr.. int i 0 i 100 i c.push_back new Derived all automatically freed here int main foo While boost ptr_vector T had obvious use in..

Problems with Singleton Pattern

http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern

the memory allocated to the singleton pattern won't be freed Ofcourse in a multithreaded setup having all the threads being..

What is meant by Resource Acquisition is Initialization (RAII)?

http://stackoverflow.com/questions/2321511/what-is-meant-by-resource-acquisition-is-initialization-raii

local instance of the class the resource is automatically freed when the object gets out of scope This guarantees that whatever.. while the resource is in use it will eventually get freed whether due to normal return destruction of the containing object..

What is segmentation fault?

http://stackoverflow.com/questions/2346806/what-is-segmentation-fault

wrong with memory accessing variable that has already been freed writing to a read only portion of the memory etc. Segmentation..

Convert std::string to const char* or char*

http://stackoverflow.com/questions/347949/convert-stdstring-to-const-char-or-char

0 get the char using writable.get memory is automatically freed if the smart pointer goes out of scope std vector This is the..

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 HeapAlloc or LocalAlloc . Or that memory just has been freed by HeapFree . Disclaimer the table is from some notes I have..

RAII and smart pointers in C++

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

so cannot guarantee when a resource such as file will be freed. Onto smart pointers a lot of the time we just create objects..

smart pointers (boost) explained

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

if you locally need to allocate memory but be sure it's freed again when it goes out of scope. But it can still be swapped..

How to solve Memory Fragmentation

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

same memory arena. That is some objects are allocated and freed regularly while other types of objects persist for extended.. preventing the coalesce of adjacent blocks that have been freed. To address this type of problem the best thing you can do is..

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

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