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...
Rock Heads: Tools for Debugging
Leveling Up MacThe Instruments Time Profiler is a common tool to use when finding out how much CPU time is being consumed for an operation, either...
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...
We want information… Information…
iOS MacEven though Apple is known for limiting what you can do on iOS compared to Mac OS X, they actually provide you with some...
Callin' U Back
iOS MacI sometimes see the question “How do I cast a method into a function pointer?” come up during classes or on some form of...
Inside the Bracket, part 7 – Runtime Machinations
iOS MacWant to learn more about what’s really happening inside those square brackets? Read the entire Inside the Bracket series.
Inside the Bracket, part 6 – Using the Runtime API
iOS MacWant to learn more about what’s really happening inside those square brackets? Read the entire Inside the Bracket series.
Inside the Bracket, part 5 – Runtime API
iOS MacWant to learn more about what’s really happening inside those square brackets? Read the entire Inside the Bracket series.
Inside the Bracket, part 4 – Welcome to the Machine
iOS MacWant to learn more about what’s really happening inside those square brackets? Read the entire Inside the Bracket series.
