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shared_ptr to an array : should it be used?
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With C++17, shared_ptr can be used to manage a dynamically allocated array. The shared_ptr template argument in this case must be T[N] or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr.shared.const]
template<class Y> explicit sh...
Strange out of memory issue while loading an image to a Bitmap object
...te decode method based on your image data source. These methods attempt to allocate memory for the constructed bitmap and therefore can easily result in an OutOfMemory exception. Each type of decode method has additional signatures that let you specify decoding options via the BitmapFactory.Options ...
Printing a variable memory address in swift
...riteString:(void **)var
{
NSMutableString *aString = [[NSMutableString alloc] initWithFormat:@"pippo %@", @"pluto"];
*var = (void *)CFBridgingRetain(aString); // Retain!
}
// swift side
var opaque = COpaquePointer.null() // create a new opaque pointer pointing to null
TestClass.writeStr...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...l you're doing is using
continuations, that event handle will
never be allocated
...
it's likely better to rely on finalization to take care of things.
Update (Oct 2012)
Stephen Toub has posted a blog titled Do I need to dispose of Tasks? which gives some more detail, and explains the impr...
What does the 'standalone' directive mean in XML?
...entity references (other than amp, lt, gt, apos, and quot)
attributes with tokenized types, if the value of the attribute would be modified by normalization
elements with element content, if any white space occurs in their content
A non-validating processor might consider retrieving the external ...
How to change the blue highlight color of a UITableViewCell?
...t will present as the selected background view.
cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease];
UIView *selectionColor = [[UIView alloc] init];
selectionColor.backgroundColor = [UIColor colorWithRed:(245/255.0) green:(245/255.0) blue:...
How can I load storyboard programmatically from class?
...b files in storyboard. So I was looking a way to do it in code, like with alloc, init, push for viewControllers. In my case I have only one controller in storyboard: UITableViewController , which has static cells with some content I want to show. If anyone knows proper way to work both with xib a...
NSPredicate: filtering objects by day of NSDate property
...t;= %@)", startDate, endDate];
NSFetchRequest *request = [[[NSFetchRequest alloc] init] autorelease];
[request setEntity:[NSEntityDescription entityForName:@"EntityName" inManagedObjectContext:moc]];
[request setPredicate:predicate];
NSError *error = nil;
NSArray *results = [moc executeFetchRequest...
C++ deprecated conversion from string constant to 'char*'
...lution 2:
char *x = (char *)"foo bar";
Solution 3:
char* x = (char*) malloc(strlen("foo bar")+1); // +1 for the terminator
strcpy(x,"foo bar");
Arrays also can be used instead of pointers because an array is already a constant pointer.
...
How to empty a list in C#?
...end up using = new LisT<T>(); due to the fact that it clears all old allocations instantly. For most people though, .Clear(); will suffice, but if you find a list acting strangely - try using = new List<T>();.
– Charles
Jul 3 '14 at 3:28
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