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Property List Serialization
iOS MacSaving data to the file system and reading it back is a pretty common operation. One of the first ways many Cocoa and...
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Actually finding a memory management error with Instruments
iOS MacInstruments is a very cool profiling application, but it’s one of those things that’s kind of hard to write about. You can outline...
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BOOL's sharp corners
iOS MacUpdate October 2013 - On 64-bit iOS (device and simulator) BOOL is now actually bool, so the sharp corners have thankfully gone away for...
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Both kinds of Cocoa
iOS MacIf you’re an iOS programmer who only programs CocoaTouch, I want to encourage you to give desktop Cocoa a try. I’ve primarily been...
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Table Scanning
iOS MacEvery now and then I get a question about an idiom I use for looping through a collection of literal structures. This...
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A Motivation for ivar decorations
iOS MacAn idiom used by some Objective-C programmers is prefixing instance variable names with underscores. You do see this with explicitly declared instance variables:
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Protocols Part 3 : Adopting Protocols in Class Extensions
iOS MacOne of the directions Apple is taking in Objective C that I’ve come to really like is the migration of stuff out of header...
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Protocols part 2 : Delegation
iOS MacLast time we talked about protocols and why you’d want to use one. So, when would you want to make your own protocol?...
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Protocols, part 1 : Why?
iOS MacA comment from a reader of Objective-C Programming: The Big Nerd Ranch Guide came through on the forums, asking about Objective-C protocols. Specifically,...
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Checking Assumptions: -measuring isEqual[ToString]: performance
iOS MacThe last post about isEqual: vs isEqualToString: included some timings I made to test the performance of those two calls, along with compare:. ...
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isEqual: vs isEqualToString:
iOS Mac_TL;DR: When to use isEqual: or isEqualToString:? There’s no meaningful performance difference between the two. For convenience use isEqual:. For a...