¡@

Home 

c++ Programming Glossary: memset

Will an 'empty' destructor do the same thing as the generated destructor?

http://stackoverflow.com/questions/1025313/will-an-empty-destructor-do-the-same-thing-as-the-generated-destructor

it makes a difference in current C is when you want to use memset and friends on such an object that has a user declared destructor...

How do malloc() and free() work?

http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work

char p unsigned char malloc 4 sizeof unsigned char memset p 0 4 strcpy char p abcdabcd deliberately storing 8bytes cout..

What do the following phrases mean in C++: zero-, default- and value-initialization?

http://stackoverflow.com/questions/1613341/what-do-the-following-phrases-mean-in-c-zero-default-and-value-initializat

non POD default initialising m int main char buf sizeof B memset buf 0x5a sizeof buf use placement new on the memset'ed buffer.. B memset buf 0x5a sizeof buf use placement new on the memset'ed buffer to make sure if we see a zero result it's due to an..

casting via void* instead of using reinterpret_cast

http://stackoverflow.com/questions/1863069/casting-via-void-instead-of-using-reinterpret-cast

pod_t int x pod_t pod char p reinterpret_cast char pod memset p 0 sizeof pod is effectively unspecified. Explaining why static_cast.. x pod_t pod char p static_cast char static_cast void pod memset p 0 sizeof pod Again let me quote the sections of the Standard..

Calculate the factorial of an arbitrarily large number, showing all the digits

http://stackoverflow.com/questions/1966077/calculate-the-factorial-of-an-arbitrarily-large-number-showing-all-the-digits

i 10 factorial arr n 1 int main int arr new int max std memset arr 0 max sizeof int arr max 1 1 int num std cout Enter the..

Which one to use - memset() or value initialization to zero out a struct?

http://stackoverflow.com/questions/1998752/which-one-to-use-memset-or-value-initialization-to-zero-out-a-struct

one to use memset or value initialization to zero out a struct In Win32 API programming.. can be achieved in either of the two ways STRUCT theStruct memset theStruct 0 sizeof STRUCT or STRUCT theStruct The second variant.. a very different in their meaning. The first one uses a memset function which is intended to set a buffer of memory to certain..

How to initialise memory with new operator in C++?

http://stackoverflow.com/questions/2204176/how-to-initialise-memory-with-new-operator-in-c

without looping through them all myself Should I just use memset Is there a &ldquo C &rdquo way to do it c initialization memory..

how to get vendor id and product id of a plugged usb device on windows

http://stackoverflow.com/questions/2935184/how-to-get-vendor-id-and-product-id-of-a-plugged-usb-device-on-windows

it will look something like this USB_DEVICE_DESCRIPTOR udd memset udd 0 sizeof udd ULONG LengthTransferred 0 WinUsb_GetDescriptor.. that the code should really be USB_DEVICE_DESCRIPTOR udd memset udd 0 sizeof udd ULONG LengthTransferred 0 WinUsb_GetDescriptor..

How do you `realloc` in C++?

http://stackoverflow.com/questions/3482941/how-do-you-realloc-in-c

question Use std vector Type t Type malloc sizeof Type n memset t 0 sizeof T m becomes std vector T t n 0 Then t Type realloc..

Is there a way to make a C++ struct value-initialize all POD member variables?

http://stackoverflow.com/questions/3930841/is-there-a-way-to-make-a-c-struct-value-initialize-all-pod-member-variables

during struct construction. Also I can't use the memset trick Struct Struct memset this 0 sizeof this can break non.. Also I can't use the memset trick Struct Struct memset this 0 sizeof this can break non POD member variables because.. this can break non POD member variables because calling memset to overwrite already constructed non POD member variables can..

Audio output with video processing with opencv

http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv

0 SDL_Flip screen void packet_queue_init PacketQueue q memset q 0 sizeof PacketQueue q mutex SDL_CreateMutex q cond SDL_CreateCond.. If error output silence audio_buf_size 1024 arbitrary memset audio_buf 0 audio_buf_size else audio_buf_size audio_size..

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

n #endif Zero the data to prevent any chance of denormals. memset a1 0 n sizeof double memset b1 0 n sizeof double memset c1 0.. any chance of denormals. memset a1 0 n sizeof double memset b1 0 n sizeof double memset c1 0 n sizeof double memset d1 0.. memset a1 0 n sizeof double memset b1 0 n sizeof double memset c1 0 n sizeof double memset d1 0 n sizeof double Print the addresses..