IT Nursery
I am wondering how to convert an NSArray...
I have a custom UITableView using UITableViewCells. Each UITableViewCell has 2 buttons. Clicking these buttons will change an image in a UIImageView within ...
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June 3, 2022
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I have read several of the post about Objective-C method syntax but I guess I don’t understand multiple names for a method. I’m ...
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June 3, 2022
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I was going through the release notes for Xcode 4.4 and noticed this: LLVM 4.0 Compiler Xcode now includes the Apple LLVM Compiler ...
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June 3, 2022
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How do I convert a negative number to an absolute value in Objective-C? i.e. -10 becomes 10? 3 Answers 3
I would like to check whether an object (e.g. someObject) is assignable (cast-able) to a variable of another type (e.g. SpecifiedType). In Java, ...
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June 3, 2022
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If you have an NSMutableArray, how do you shuffle the elements randomly? (I have my own answer for this, which is posted below, ...
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June 3, 2022
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I’m working through some exercises and have got a warning that states: Implicit conversion loses integer precision: ‘NSUInteger’ (aka ‘unsigned long’) to ‘int’ ...
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June 2, 2022
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How do I change time and time zone in the iPhone simulator? 12 Answers 12
In Objective-C, I would like to know what the + and - signs next to a method definition mean. - (void)loadPluginsAtPath:(NSString*)pluginPath errors:(NSArray **)errors; ...
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June 2, 2022
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