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c++ Programming Glossary: occupiedWhy is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of Before reading 0x4700 all lines in the set would have been occupied. Reading that memory evicts an existing line in the set the..
How to perform a bitwise operation on floating point numbers http://stackoverflow.com/questions/1723575/how-to-perform-a-bitwise-operation-on-floating-point-numbers you can do is analyze the bit content of the raw memory occupied by the floating point number. For that you need to reinterpret..
1D or 2D array, what's faster? http://stackoverflow.com/questions/17259877/1d-or-2d-array-whats-faster may look like. The violet square is the memory position occupied by p itself. The green squares are the memory region p points..
Reduce flicker with GDI+ and C++ http://stackoverflow.com/questions/197948/reduce-flicker-with-gdi-and-c be set on all parent windows this will prevent the areas occupied by child windows including your view from being drawn on. Notes..
Lifetime of a const string literal returned by a function http://stackoverflow.com/questions/2579874/lifetime-of-a-const-string-literal-returned-by-a-function will be its scope Will the memory pointed by retStr be occupied throughout the program or be released once the block A exits..
How do I call the original “operator new” if I have overloaded it? http://stackoverflow.com/questions/4134195/how-do-i-call-the-original-operator-new-if-i-have-overloaded-it it will offset the pointer to the part of the block not occupied with extra data and return that offset value to the caller operator..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special classes the lifetime begins when storage for the object is occupied and finishes when that storage is released or reused. For objects..
Missing number(s) Interview Question Redux http://stackoverflow.com/questions/4406110/missing-numbers-interview-question-redux figuring out the average space complexity. The final space occupied is O K at most K 1 intervals but during the construction there..
Why is a c++ reference considered safer than a pointer? http://stackoverflow.com/questions/4715740/why-is-a-c-reference-considered-safer-than-a-pointer object has ended and before the storage which the object occupied is reused or released a new object is created at the storage.. created at the storage location which the original object occupied a pointer that pointed to the original object a reference that.. overlays the storage location which the original object occupied and the new object is of the same type as the original object..
OpenMP: Huge performance differences between Visual C++ 2008 and 2010 http://stackoverflow.com/questions/4738045/openmp-huge-performance-differences-between-visual-c-2008-and-2010 time The same threads appear in 2010 but they are all 100 occupied by the PartialBarrierN Block function. As I have four cores..
Do static members of a class occupy memory if no object of that class is created? http://stackoverflow.com/questions/4842056/do-static-members-of-a-class-occupy-memory-if-no-object-of-that-class-is-created don't create any objects of that type. Will the memory be occupied for the static variable If it would be occupied what is the.. memory be occupied for the static variable If it would be occupied what is the point of putting it in a class c class static ..
Why is it allowed to cast a pointer to a reference? http://stackoverflow.com/questions/5924248/why-is-it-allowed-to-cast-a-pointer-to-a-reference your second example you attached reference c to the memory occupied by pointer variable pc . When you did c 'B' you forcefully wrote..
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 when you do you just checked out of the highest numbered occupied room. If no one else checks in after you and you go back to..
http://stackoverflow.com/questions/6725809/trap-representation by C89 to describe bit patterns that fit into the space occupied by a type but trigger undefined behavior if used as a value..
Handle arbitrary length integers in C++ http://stackoverflow.com/questions/8146938/handle-arbitrary-length-integers-in-c took like 3min to code in 15 to 20 seconds and the number occupied like 3 pages so besides being a practical library once you get..
Are destructors called after a throw in C++? http://stackoverflow.com/questions/8311457/are-destructors-called-after-a-throw-in-c 3.7.4.2 5.3.4 12.5 if any is called to free the storage occupied by the object. This whole process is known as stack unwinding..
http://stackoverflow.com/questions/9964418/strict-aliasing-and-alignment ending the lifetime of the int object that previously occupied the same memory. This kind of implicit end of lifetime can only..
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