Xcode 15 allows you to preview your iOS app's user interface as you build it. Here's how to use it to see how your app appears to users. Xcode 15 introduced UI Previews which allow you to view what ...

There is new command-line tool for measuring an application’s performance without launching the Instruments application: iprofiler. After making the measurements, you can analyze them with Instruments ...

Xcode 4 is one of the best development tools I’ve ever used and I’ve used a good number of tools over the years. If you are interested in programming Xcode and Objective-C is a good place to start. So ...

There is new command-line tool for measuring an application’s performance without launching the Instruments application: iprofiler. After making the measurements, you can analyze them with Instruments ...

Per MacStories, Apple has released a new Mac OS X Lion Developer Preview 3 to its developers this evening as well as Xcode 4.1 Developer Preview 5. Apple last updated Lion for developers in late April ...

Apple has released software updates to both of their already acknowledged, unreleased Mac OS X updates: Mountain Lion and Lion 10.7.4. The OS X Mountain Lion is a not a full new Developer Preview, but ...