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How do I read a text file of about 2 GB? [duplicate]
...ile will require around 800MB of memory, and the OS may balk at the memory allocation request."
– Emad Aghayi
Aug 24 '16 at 11:30
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iPhone system font
... like this :
//get system default font
UILabel *label = [[UILabel alloc] init];
fontname = label.font.fontName;
[label release];
Looks stupid but it works.
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Java equivalent of unsigned long long?
...Integer class will be used. This means that upto 8 new BigIntegers will be allocated, this is quite a lot and definitely a performance drop.
– Toonijn
Sep 24 '16 at 18:57
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Installing PG gem on OS X - failure to build native extension
...lem, but having two postgres applications will create conflicts (like port allocation) See also Sayanees' answer at stackoverflow.com/questions/19569031/…
– Epigene
Sep 5 '14 at 9:38
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How can I change the image displayed in a UIImageView programmatically?
...one you add to your Resources folder in Xcode.
UIImage *image = [[UIImage alloc] initWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://farm4.static.flickr.com/3092/2915896504_a88b69c9de.jpg"]]];
or
UIImage *image = [UIImage imageNamed: @"cell.png"];
Once you have an Image yo...
Removing viewcontrollers from navigation stack
...e this code and enjoy:
NSMutableArray *navigationArray = [[NSMutableArray alloc] initWithArray: self.navigationController.viewControllers];
// [navigationArray removeAllObjects]; // This is just for remove all view controller from navigation stack.
[navigationArray removeObjectAtIndex: 2]; // ...
✔ Checkmark selected row in UITableViewCell
...lIdentifier];
if(cell == nil )
{
cell =[[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
}
if ([indexPath compare:self.lastIndexPath] == NSOrderedSame)
{
cell.accessoryType = UITableViewCellAccesso...
How do I replace multiple spaces with a single space in C#?
...contrast, is linear, only builds up a single string (= drastically reduced allocation costs compared to Joel’s code) and furthermore the engine can optimize the hell out of it (to be honest, I doubt the .NET regex is smart enough for this but in theory this regular expression can be implemented s...
is it possible to update UIButton title/text programmatically?
...ollowing:
[self.loginButton
setAttributedTitle:[[NSAttributedString alloc] initWithString:@"Error !!!" attributes:nil]
forState:UIControlStateDisabled];
[self.loginButton setEnabled:NO];
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“:” (colon) in C struct - what does it mean? [duplicate]
...n fit into a single int (i.e. 32 bits in the example above), the compiler allocates only a single int's worth of memory (test_1, short type for test_2, char type for test3). Ignored in the above example, if a single int can't hold the bitfields anymore, we add a second one. ref to this example for...