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c++ Programming Glossary: allocatesWhy not use pointers for everything in C++? http://stackoverflow.com/questions/1064325/why-not-use-pointers-for-everything-in-c foo Pixel p p.x 2 p.y 5 bar The Pixel class now internally allocates some heap memory but its destructor takes care of cleaning it..
Difference between 'new operator' and 'operator new'? http://stackoverflow.com/questions/1885849/difference-between-new-operator-and-operator-new good question in any case. Operator new is a function that allocates raw memory at least conceptually it's not much different from.. 0 The difference between the two is that operator new just allocates raw memory nothing else. The new operator starts by using operator..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c toy example one could use std vector int values m but this allocates memory from the heap and not the stack. And if I want a multidimensional..
Why don't C++ compilers define operator== and operator!=? http://stackoverflow.com/questions/217911/why-dont-c-compilers-define-operator-and-operator by member comparison be a problem Obviously if the class allocates memory then you'd want to be careful but for a simple class..
Is it reasonable to use std::basic_string<t> as a contiguous buffer when targeting C++03? http://stackoverflow.com/questions/2256160/is-it-reasonable-to-use-stdbasic-stringt-as-a-contiguous-buffer-when-targeti I'd consider it quite safe to assume that std string allocates its storage contiguously. At the present time all known implementations..
http://stackoverflow.com/questions/253157/how-to-downsize-stdvector . This relies on the fact that vector 's copy constructor allocates only as much as memory as needed for the elements being copied...
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring KeithB's point in the comments here's a way to do it that allocates all the memory up front rather than relying on the string class's..
Is it worth setting pointers to NULL in a destructor? http://stackoverflow.com/questions/3060006/is-it-worth-setting-pointers-to-null-in-a-destructor to NULL in a destructor Imagine I have a class that allocates memory forget about smart pointers for now class Foo public..
Looking for C++ STL-like vector class but using stack storage http://stackoverflow.com/questions/354442/looking-for-c-stl-like-vector-class-but-using-stack-storage example std vector to give it your custom allocator which allocates from a stack buffer. The chromium authors wrote an allocator..
http://stackoverflow.com/questions/3770457/what-is-memory-fragmentation standard libraries are no worse than anything else that allocates memory and standard containers all have an Alloc template parameter..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame frame retrieved by the system. On my example make_it_gray allocates a new image to save the result of the grayscale conversion and..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali iterator plus bounds check not only does this it also allocates additional space and moves the existing data when the incoming..
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 as pointers. That is a declaration such as int ri i allocates the same amount of storage as a pointer and places the address..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible for each the stack and the heap. Stack The stack always allocates memory in a sequential fashion. It can do so because it requires.. main int argc char argv std string program argv 0 actually allocates a variable amount of memory. The std string object allocates.. a variable amount of memory. The std string object allocates memory using the heap and releases it in its destructor. In..
C/C++: Array size at run time w/o dynamic allocation is allowed? http://stackoverflow.com/questions/737240/c-c-array-size-at-run-time-w-o-dynamic-allocation-is-allowed too. Note that this is different from malloc and new . gcc allocates the array on the stack just like it does with int array 100..
Choice between vector::resize() and vector::reserve() http://stackoverflow.com/questions/7397768/choice-between-vectorresize-and-vectorreserve access them using the operator . The reserve method only allocates memory but leaves it uninitialized. It only affects capacity..
Objective-C - Disadvantages to Bridging With C++? http://stackoverflow.com/questions/10014684/objective-c-disadvantages-to-bridging-with-c return iVar I'll summarize what this does Allocates a Class Pair Adds all class and instance methods to the object..
How to separate CUDA code into multiple files http://stackoverflow.com/questions/2090974/how-to-separate-cuda-code-into-multiple-files a real app in C . I have a simple little program that Allocates a memory on the host and the device. Initializes the host array..
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 used to initialize destroy the object malloc free Allocates release memory Memory allocated from 'Heap' Returns a void Returns..
Which to use - “operator new” or “operator new[]” - to allocate a block of raw memory in C++? http://stackoverflow.com/questions/2498183/which-to-use-operator-new-or-operator-new-to-allocate-a-block-of-raw-m new with an array of objects. So for example int x new int Allocates single int int y new int 5 Allocates an array of integers x.. example int x new int Allocates single int int y new int 5 Allocates an array of integers x 10 Assignment to single value y 0 8 Assignment..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c keyword share improve this question Method 1 using new Allocates memory for the object on the free store This is frequently the.. taken or if exceptions are thrown. Method 2 not using new Allocates memory for the object on the stack where all local variables..
http://stackoverflow.com/questions/6713637/heap-vs-stack-allocation I'll start from the beginning... Vector v new Vector 100 Allocates an array of 100 pointers to objects of type Vector on the heap..
The implementation of random_device in VS2010? http://stackoverflow.com/questions/9549357/the-implementation-of-random-device-in-vs2010 consisting of Current Depth Maximum Depth Total Allocates Allocate Misses Total Frees Free Misses Type Tag and Size. System..
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