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Smart pointers: who owns the object? [closed]
..., these 3 kinds cover most of my needs:
shared_ptr - reference-counted, deallocation when the counter reaches zero
weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate
auto_ptr - when the creation and deallocation happen inside the same function, or when the object has ...
UIButton Long Press Event
...
UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecog...
Reducing memory usage of .NET applications?
...user operates, you can get away with being more lackadaisical about memory allocation. (So long as it all gets deallocated.)
However, to address some folks here who say not to worry about it: If you're writing a Windows Forms application which will be running in a terminal services environment, on a...
How to hide first section header in UITableView (grouped style)
...This worked for me in iOS 9 and just blew my mind.
– allocate
Dec 20 '15 at 14:04
This should be the accepted answer. ...
What is Type-safe?
...your program (or worse, possibly in other programs depending on how the OS allocates memory - very unlikely these days).
** While this first issue is not technically about data type, type safe languages address it inherently and it visually describes the issue to those unaware of how memory alloca...
How do you make an array of structs in C?
...
So to put it all together by using malloc():
int main(int argc, char** argv) {
typedef struct{
char* firstName;
char* lastName;
int day;
int month;
int year;
}STUDENT;
int numStudents=3;
int x;
STUD...
The Definitive C Book Guide and List
...uctures in C, such as lists, sets, exceptions, string manipulation, memory allocators, and more. Basically, Hanson took all the code he'd written as part of building Icon and lcc and pulled out the best bits in a form that other people could reuse for their own projects. It's a model of good C progr...
How to convert List to int[] in Java? [duplicate]
...right size. You can also use a 0-length static Integer array and let Java allocate an array of the right size:
static final Integer[] NO_INTS = new Integer[0];
....
int[] intArray2 = ArrayUtils.toPrimitive(myList.toArray(NO_INTS));
...
Convert a byte array to integer in Java and vice versa
...default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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How can I check whether a numpy array is empty or not?
...p://www.scipy.org/Tentative_NumPy_Tutorial#head-6a1bc005bd80e1b19f812e1e64e0d25d50f99fe2
NumPy's main object is the homogeneous multidimensional array. In Numpy dimensions are called axes. The number of axes is rank. Numpy's array class is called ndarray. It is also known by the alias array. The...