NSAlert + Sheets + Threads = Inexplicable Bugs
UPDATED 2008-12-26: in general, all AppKit code should be called on the main thread. Problem: When using an NSAlert to display a sheet in a multi-threaded application, unexpected badness can happen. I...
View ArticleFast Enough or Not Enough Fast?
…people are now willing to make trade-offs against performance. For the entire history of the PC industry, computers have been too slow, so trade-offs were made in favor of faster CPUs: higher prices...
View ArticleHow To Multi
Avoid distributed computing unless your code is going to be run by a single client with a lot of available hardware. Being able to snarf up CPU cycles from idle hardware sitting around in the user’s...
View ArticleAlways Update the View From the Main Thread
I wish I’d read this years ago: AppKit, the GUI framework, is not thread safe. In order for things to work properly, you (almost) always need to update GUI classes from the main thread –Dave Dribin...
View ArticleThread Local Storage in Cocoa
[[NSThread currentThread] threadDictionary] gives you an NSMutableDictionary that you can use for thread-specific storage.
View ArticleThe Arrow Points Up
And so continues one of the biggest constants in software development: the unerring sense among developers that the level of abstraction they’re current working at is exactly the right one for the...
View Article
