Providing Medical Care—with an iPhone App
iOSJamie Daniel has attended not one, but three Big Nerd Ranch bootcamps. And he’s putting his knowledge to good use: Jamie is collaborating with...
The Universal Troubleshooting Process
iOS MacLast week I walked through finding and fixing My Favorite Bug. Observant readers may have noticed a multi-step process outlined by some <H3>...
Debugging: Tell the Story
iOS MacI love stories. I love telling stories, and I love listening to stories. I learn from stories. I believe that we, as...
Foggy Macro Breakdown
iOS MacI’m a big fan of caveman debugging. That is, using log statements to gather information and visualize a program’s control flow. But I only...
Stochastic Profiling in Debugging
iOS MacI’ve talked about stochastic profiling in the past, such as the fairly recent Rock Heads. It’s something I mention when I talk about debugging...
64-bit Smorgasbord
iOS MaciPhone 5s. iPad Air. The 64-bit era has moved from the desktop and into our hands. Mike Ash has an excellent...
Xcode Breakpoint Wizardry for Debugging
iOS MacEvery great developer should know how to use a debugger. Xcode has an excellent debugger UI that wraps LLDB (or, if you’re living in...
Smooth (Bitwise) Operator
iOS MacOne of the wonderful(?) things about Objective-C is that it’s based on C. Part of the power of C is bit-bashing, where you...
Should I Use a Property or an Instance Variable?
iOS MacOne of our interns recently asked what seemed like a fairly innocuous question: “What are the scenarios where the use of instance variables would...
Property Values
iOS MacPart of the fun of teaching a live class is fielding questions and thinking on your feet. Once I was showing some code that...
UIKit Dynamics and iOS 7: Building UIKit Pong
iOS MacUIKit Dynamics is one of the more fun parts of iOS 7, giving us user interface elements that mimic real physical objects. They can bump...
Golden Opportunity: Custom Transitions in iOS 7
iOSiOS 7 feels fresh and new, thanks in large part to its zooming, swooping, sliding interface. To me, it feels alive and fresh after...
