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c++ Programming Glossary: deletedWhat 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 cannot be copied. This prevents the pointer from being deleted multiple times incorrectly . You can however pass references.. last reference to the object is destroyed the object is deleted. This policy is implemented by boost shared_ptr and std shared_ptr.. destroyed leaving a reference count of zero. The object is deleted. Reference counted pointers are very useful when the lifetime..
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 character immediately followed by a new line character is deleted splicing physical source lines to form logical source lines...
C++ delete - It deletes my objects but I can still access the data? http://stackoverflow.com/questions/1930459/c-delete-it-deletes-my-objects-but-i-can-still-access-the-data next delete deleteBlock The game works blocks are deleted correctly and everything functions as it is supposed to. However.. However on inspection I can still access random bits of deleted data. If I printf each of the deleted singleblocks x values.. random bits of deleted data. If I printf each of the deleted singleblocks x values AFTER their deletion some of them return..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom it to null we attempt to delete memory that's already been deleted We avoid this by setting it to null as deleting null is a no..
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 lifetime has ended for instance stack allocated objects or deleted objects Dereferencing a pointer that has not yet been definitely..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c a pointer to str but str was created on the stack so we be deleted once we exit foo . In other words by the time the caller gets.. Once there are no remaining references to str it will be deleted. As such you no longer have to worry about deleting it yourself...
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c counting alone will not indicate that the memory can be deleted. In this case the GC needs to look at the entire reference soup..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three you can inherit from boost noncopyable or declare them as deleted C 0x person const person that delete person operator const person..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available shared pointer goes out of scope then the object will be deleted appropriately. These are also thread safe and can handle incomplete.. that would otherwise cause your objects to never be deleted. QScopedPointer This name should also look familiar and actually..
smart pointers (boost) explained http://stackoverflow.com/questions/569775/smart-pointers-boost-explained would not have a way to check when the object was actually deleted. So weak_ptr provides means by referencing an object managed.. then use it. If the weak_ptr points to an object already deleted it will notice you by throwing an exception. Using weak_ptr..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c unless the pointer is delete d and it should always be deleted regardless of which control path is taken or if exceptions are..
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