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[objC autorelease]; t-shirts

At WWDC 2014 Apple introduced Swift, a new programming language for iOS and OS X developers. Objective-C has had a long and distinguished run with Apple, but times change and we move on. In recognition of this, and in reference to the [objC retain]; shirts of days gone by, I set up a Teespring campaign […]

Making your own Passbook Business Card

My Passbook and iBeacon enabled business card was something of a hit at WWDC last week. Some people wanted more detail on how it worked or how to create their own version. This post describes the process, from the perspective of a software developer. If you’re not a developer, there are numerous web sites that […]

Storm (i)Cloud

Last year I did a series of posts here where I ran through problems I had encountered with Core Data’s iCloud integration, with various solutions and workarounds I had been able to devise. Then iOS 7 and Mac OS X 10.9 came out with numerous visible (and internal) updates and people started asking me, so, […]

A bigger iPhone

With rumors swirling about a bigger iPhone 6, I figured I’d touch on them (haha, puns). A few years ago, I thought the idea of a larger iPhone would be something I disliked. With my small-ish hands, even the iPhone 5’s 4 inch screen is too large for me to reach the back button in […]

Probably Approximately Correct Location for iOS

If you’re writing an iOS app and you need to know the user’s current location, the answer is straightforward: use Core Location. That fires up device GPS (when available). Apple’s A-GPS combines this with things like local Wifi networks and IP addresses to work out the device’s location. All of this, of course, assuming that […]