All Questions
2,619 questions
346
votes
33
answers
124k
views
What are best practices that you use when writing Objective-C and Cocoa? [closed]
I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).
174
votes
7
answers
111k
views
What's the difference between "bundle display name" and "bundle name" in cocoa application's info plist
Here is a good question:
Bundle Name, Executable Name, Product Name...anything else?
but I just wonder about the difference between "bundle display name" and "bundle name" in cocoa application's ...
- 6,277
151
votes
9
answers
74k
views
What does the property "Nonatomic" mean?
What does "nonatomic" mean in this code?
@property(nonatomic, retain) UITextField *theUsersName;
What is the difference between atomic and nonatomic?
Thanks
user100051
140
votes
10
answers
109k
views
Getting a list of files in a directory with a glob
For some crazy reason I can't find a way to get a list of files with a glob for a given directory.
I'm currently stuck with something along the lines of:
NSString *bundleRoot = [[NSBundle mainBundle]...
136
votes
14
answers
74k
views
Changing my CALayer's anchorPoint moves the view
I want to alter the anchorPoint, but keep the view in the same place.
I've tried NSLog-ing self.layer.position and self.center and they both stay the same regardless of changes to the anchorPoint. Yet ...
- 12.1k
135
votes
8
answers
70k
views
Getting thread id of current method call
Is there a way to print out the current thread id on which the current method is executing on?
(objective-c please)
- 6,686
127
votes
13
answers
50k
views
Check whether or not the current thread is the main thread
Is there any way to check whether or not the current thread is the main thread in Objective-C?
I want to do something like this.
- (void)someMethod
{
if (IS_THIS_MAIN_THREAD?) {
NSLog(@...
- 5,619
124
votes
15
answers
37k
views
Understanding reference counting with Cocoa and Objective-C
I'm just beginning to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting ...
- 118k
111
votes
9
answers
22k
views
Best way to implement Enums with Core Data
What is the best way to bind Core Data entities to enum values so that I am able to assign a type property to the entity? In other words, I have an entity called Item with an itemType property that I ...
- 7,312
103
votes
13
answers
95k
views
HTML character decoding in Objective-C / Cocoa Touch
First of all, I found this: Objective C HTML escape/unescape, but it doesn't work for me.
My encoded characters (come from a RSS feed, btw) look like this: &
I searched all over the net and ...
- 8,114
102
votes
5
answers
39k
views
Is there any way to hide "-" (Delete) button while editing UITableView
On my iphone app, I have a UITableView in edit mode, where user is allowed only to reorder the rows no delete permission is given.
So is there any way where I can hide "-" red button from TableView. ...
- 3,015
102
votes
10
answers
46k
views
Interaction beyond bounds of UIView
Is it possible for a UIButton (or any other control for that matter) to receive touch events when the UIButton's frame lies outside of it's parent's frame? Cause when I try this, my UIButton doesn't ...
- 2,667
99
votes
5
answers
45k
views
NSString: isEqual vs. isEqualToString
What is the difference between isEqual: and isEqualToString:?
Why are classes adding isEqualTo* methods (isEqualToArray for NSArray, isEqualToData for NSData, ...) instead of just overriding isEqual: ...
- 11.6k
93
votes
7
answers
44k
views
NSLog with CGPoint data
I have a CGPoint called point that is being assigned a touch:
UITouch *touch = [touches anyObject];
CGPoint point = [touch locationInView:self];
I want to get the x coordinate value into my console ...
- 5,000
90
votes
12
answers
29k
views
What's the best way to put a c-struct in an NSArray?
What's the usual way to store c-structures in an NSArray? Advantages, disadvantages, memory handling?
Notably, what's the difference between valueWithBytes and valueWithPointer -- raised by justin ...