Greg Parker recently tweeted a link to fantastic site he created, An Illustrated History of objc_msgSend, that provides a trip through history of one of the likely most often called, but unheard of functions in iOS or OS X, objc_msgSend. The function dates back to...
Caches in WebKit are tenacious. That’s problematic in an app that uses an embedded WebKit view when you’re trying to load your latest JavaScript or CSS changes without restarting the application. Chrome and Safari both provide developer tools for clearing...
I came across a new and interesting open source embeddable web server written in Objective-C for Mac and iOS apps called Barista. It’s inspired by the Express web application framework for Node.js and allows you to compose a processing pipeline by connecting...
Jon Hocking recently released a simple category on NSDate that generates relative timestamps such as "3 hours ago" or "2 days ago" from an NSDate instance. The code is available on GitHub at jonhocking/PrettyTimestamp and is available as a CocoaPod...
It’s no secret that Apple’s implementation of iCloud syncing for Core Data has issues. Check out episode 12 of Debug for a great discussion and check out the show notes for a number of links to blogs that go into even more detail. With WWDC around the...