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Showing entries tagged "kvo". Full blog index.

by Gwynne RaskindTags: cocoa kvo followup semi-evil
I'm back again for Friday Q&A, and this week I'm going to follow up on Mike's 2008 article, Key-Value Observing Done Right, where he debuted a replacement for KVO, MAKVONotificationCenter. It's been a long time since then, and it was high time such a useful piece of code got an update, which I gave it. With the help of Mike and Tony Xiao, it's gotten a full overhaul and is now a modern code library with some fun features. In this article, I'm going to go through the new stuff and how it was done.

Friday Q&A 2009-01-23 at 2009-01-23 21:31
by Mike AshTags: fridayqna kvo
Welcome to the first Friday Q&A; of the new Presidential administration. Unlike Mr. Obama, I'm afraid of change and so this week's edition will be just like all the other ones. This week I'll be taking Jonathan Mitchell's suggestion to talk about how Key-Value Observing (KVO) is actually implemented at the runtime level.

by Mike AshTags: cocoa kvo sourcecode
Cocoa's Key-Value Observing facilities are extremely powerful and useful. Unfortunately they have a really terrible API that's inherently broken in a couple of different ways. I want to discuss how it's broken, and a way to make it better.
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