objective-c
Use of self = [super init] in custom init method of NSObject subclass
I am subclassing NSObject @interface MyClass : NSObject { } -(id)customInit; @end and implementing a custom init method in it,[详细]
2023-04-13 05:40 分类：问答When should I use NSURL instead of NSString and vice versa?
This is not a question about a pertinent problem. It\'s a question by which I try to deepen my understanding of Objective-C or more specific Cocoa Foundation.[详细]
2023-04-13 05:35 分类：问答How to change NSDateFormatter for a string
I have a string which has date field in it. I am storing the field as NSString in my database like 2011-12-07 21:15:00 +0000.[详细]
2023-04-13 05:32 分类：问答loadView: functions in UIView iOS
I don\'t understand the mechanism of loadView: function (this function is in UIView). I created a project as below:[详细]
2023-04-13 05:25 分类：问答XCode inconsistent results across several computers
So a project group member and I have been working on our parts separately. I\'ve been working on half of the views in the app and he has worked on the other half. I sent him my half to combine with hi[详细]
2023-04-13 05:09 分类：问答Linker/Parser error
I\'m trying to learn Objective-C and my program (creating a calculator) gets linker or parser error that I\'m not able to figure out. I don\'t know what can cause this problem. I\'m using Xcode 4.1[详细]
2023-04-13 05:02 分类：问答The role of -supportsWeakPointers
Apple have recently published Transitioning to ARC Release Notes, a document that explains ARC and tackles some of the issues of converting non-ARC code to ARC. In the first version of these notes, th[详细]
2023-04-13 05:01 分类：问答Removing hyper links from a URL shown in UIWebView
I am making an app which has a section for latest company news.Basically the plan was initially to use ASIHTTPRequest to extract all the HTML, search through it for tags then pull the information out[详细]
2023-04-13 04:51 分类：问答Does the new LLVM compiler in Xcode4 make class inheritance not work properly?
EDIT: Problem solved! After cleaning and rebooting it just disappeared! I don\'t know what caused this![详细]
2023-04-13 04:51 分类：问答Show/hide layers in PDF file on iOS
I have a PDF file that contains several groups or layers of vector objects. When I open the document in Illustrator, these groups are listed in the layers pane开发者_如何学编程l. What I am trying to d[详细]
2023-04-13 04:50 分类：问答
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