大约有 118 项符合查询结果（耗时：0.0278秒） [XML]
Get path of executable
...tor<char> char_vector;
char_vector buf(1024, 0);
uint32_t size = static_cast<uint32_t>(buf.size());
bool havePath = false;
bool shouldContinue = true;
do
{
int result = _NSGetExecutablePath(&buf[0], &size);
if (result == -1)
{
buf.resize(size + 1);
...
What is the most effective way for float and double comparison?
...Count;
// The mask for the sign bit.
static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1);
// The mask for the fraction bits.
static const Bits kFractionBitMask =
~static_cast<Bits>(0) >> (kExponentBitCount + 1);
// The mask for the expone...
When is assembly faster than C?
... float [count];
for (int i = 0 ; i < count ; ++i) {
source [i] = static_cast <float> (rand ()) / static_cast <float> (RAND_MAX);
}
LARGE_INTEGER start, mid, end;
float sum1 = 0.0f, sum2 = 0.0f;
QueryPerformanceCounter (&start);
sum1 = KahanSum (source, count);...
C++ equivalent of java's instanceof
...ther you got the right one.
if(old->getType() == BOX) {
Box* box = static_cast<Box*>(old);
// Do something box specific
}
This is not good oo design, but it can be a workaround and its cost is more or less only a virtual function call. It also works regardless of RTTI is enabled o...
What is a void pointer in C++? [duplicate]
...e;
// can not dereference pVoid because it is a void pointer
int *pInt = static_cast<int*>(pVoid); // cast from void* to int*
cout << *pInt << endl; // can dereference pInt
Source: link
share
...
What is __stdcall?
...ned int __stdcall Scene::ExecuteCommand(void* command)
{
return system(static_cast<char*>(command));
}
C++ deprecated conversion from string constant to 'char*'
...
Actually solution 2 can be: char *x = static_cast<char*>("foo bar") in C++.
– Kehe CAI
Aug 22 '16 at 16:11
...
How do I best silence a warning about unused variables?
...er? template <class T> inline void NOTUSED( T const & result ) { static_cast<void>(result); } You could also use a lambda in the function, I suppose.
– Alexis Wilke
Sep 23 '16 at 0:50
...
How do I concatenate multiple C++ strings on one line?
...
Try this: std::string s = static_cast<std::ostringstream&>(std::ostringstream().seekp(0) << "HelloWorld" << myInt << niceToSeeYouString).str();
– Byzantian
Jan 7 '13 at 2:12
...
What does T&& (double ampersand) mean in C++11?
...lue
unique_ptr<int[]> new_owner = TakeOwnershipAndAlter(\
static_cast<unique_ptr<int[]>&&>(ptr), 10);
cout << "output:\n";
for(auto i = 0; i< 10; ++i) {
cout << new_owner[i] << ", ";
}
output:
10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
...