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c++ Programming Glossary: allocatorVariable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c as it uses dynamic memory and making it use ones own stack allocator isn't exactly easy alignment is an issue too . It also doesn't..
How does delete[] “know” the size of the operand array? http://stackoverflow.com/questions/197675/how-does-delete-know-the-size-of-the-operand-array this question When you allocate memory on the heap your allocator will keep track of how much memory you have allocated. This.. That way when it's time to free the memory the de allocator knows exactly how much memory to free. share improve this answer..
Is it okay to inherit implementation from STL containers, rather than delegate? http://stackoverflow.com/questions/2034916/is-it-okay-to-inherit-implementation-from-stl-containers-rather-than-delegate types are especially easier Notice the value_type and allocator can change without affecting later code using the typedef and..
What are some uses of template template parameters in C++? http://stackoverflow.com/questions/213761/what-are-some-uses-of-template-template-parameters-in-c template class class class V class T void f V T std allocator T v this can be typename V T std allocator T value_type but.. void f V T std allocator T v this can be typename V T std allocator T value_type but we are pretending we don't have it T temp v.back..
Is there a max array length limit in C++? http://stackoverflow.com/questions/216259/is-there-a-max-array-length-limit-in-c this upper limit may be influenced by the type of allocator used to construct the vector because an allocator is free to.. type of allocator used to construct the vector because an allocator is free to manage memory any way it wants. A very odd but nontheless.. any way it wants. A very odd but nontheless conceivable allocator could pool memory in such a way that identical instances of..
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 free is implementation defined. Can add a new memory allocator to deal with low memory set_new_handler operator new delete..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c If you want 4kb for an object then the dynamic allocator will look through its list of free space in the heap pick out.. 4kb chunk and give it to you. Generally the dynamic memory allocator malloc new et c. starts at the end of memory and works backwards... You run out of memory when the stack meets the dynamic allocator somewhere in the middle but refer to physical versus virtual..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available std shared_ptr with one heap allocation using the default allocator. std weak_ptr Likewise based off TR1 and boost weak_ptr . This..
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 area never gets changed by anything other than the memory allocator or the core system routines or you risk crashing the program... left intact in memory and will not be reused by the memory allocator. The allocator keeps track of which areas of memory has been.. memory and will not be reused by the memory allocator. The allocator keeps track of which areas of memory has been used and will..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators function we use usually malloc or some other custom allocator should return a suitably aligned pointer to the allocated memory..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops Usually when such large allocations are requested the allocator will request fresh pages from the OS. Therefore there is a high..
Linux Allocator Does Not Release Small Chunks of Memory http://stackoverflow.com/questions/10943907/linux-allocator-does-not-release-small-chunks-of-memory Allocator Does Not Release Small Chunks of Memory The Linux glibc allocator..
Can I call functions that take an array/pointer argument using a std::vector instead? http://stackoverflow.com/questions/12058838/can-i-call-functions-that-take-an-array-pointer-argument-using-a-stdvector-ins are stored contiguously meaning that if v is a vector T Allocator where T is some type other than bool then it obeys the identity..
Template Partial Specialization - any real-world example? http://stackoverflow.com/questions/1342321/template-partial-specialization-any-real-world-example use although a very questionable is std vector bool Allocator in the standard library. The bool specialization uses a space.. bools into individual bits template typename T typename Allocator std allocator T struct vector ... template typename Allocator.. std allocator T struct vector ... template typename Allocator struct vector bool Allocator ... Yet another use is with std..
Uniform initialization in C++0x, when to use () instead of {}? http://stackoverflow.com/questions/1863784/uniform-initialization-in-c0x-when-to-use-instead-of is explicit vector size_type n const T value T const Allocator Allocator My suspicion is that whenever a class defines an initializer.. vector size_type n const T value T const Allocator Allocator My suspicion is that whenever a class defines an initializer..
How to forward declare a template class? http://stackoverflow.com/questions/3879162/how-to-forward-declare-a-template-class declare it correctly namespace std template class T class Allocator std allocator T class list But to make even such a forward declaration..
C++ for-loop - size_type vs. size_t http://stackoverflow.com/questions/4849678/c-for-loop-size-type-vs-size-t International Standard are permitted to assume that their Allocator template parameter meets the following two additional requirements..
Passing a C++ complex array to C http://stackoverflow.com/questions/5020076/passing-a-c-complex-array-to-c are stored contiguously meaning that if v is a vector T Allocator where T is some type other than bool then it obeys the identity..
How can I use Standard Library (STL) classes in my dll interface or ABI? http://stackoverflow.com/questions/5661738/how-can-i-use-standard-library-stl-classes-in-my-dll-interface-or-abi template class charT class traits char_traits charT class Allocator allocator charT class basic_string snip public 21.3.3 capacity.. template class charT class traits char_traits charT class Allocator allocator charT class basic_string snip char m_pTheString size_t.. template class charT class traits char_traits charT class Allocator allocator charT class basic_string snip vector char m_TheString..
std::vector, default construction, C++11 and breaking changes http://stackoverflow.com/questions/5759232/stdvector-default-construction-c11-and-breaking-changes into two constructors. vector size_type n const T x const Allocator Allocator 1 explicit vector size_type n 2 Except for the fact.. constructors. vector size_type n const T x const Allocator Allocator 1 explicit vector size_type n 2 Except for the fact that it..
Overload resolution failure when streaming object via implicit conversion to string http://stackoverflow.com/questions/6677072/overload-resolution-failure-when-streaming-object-via-implicit-conversion-to-str instantiation of template class charT class traits class Allocator basic_ostream charT traits operator basic_ostream charT traits.. charT traits const basic_string charT traits Allocator to be deduced without providing explicitly any template arguments...
size_t vs container::size_type http://stackoverflow.com/questions/918567/size-t-vs-containersize-type The standard containers define size_type as a typedef to Allocator size_type Allocator is a template parameter which for std allocator.. define size_type as a typedef to Allocator size_type Allocator is a template parameter which for std allocator is defined to..
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