Hooked on DTrace, part 4
iOS MacI lied. Sorry. I thought this dive into DTrace would be a three-parter, but here’s a part 4, on static probes, suggested in a...
Hooked on DTrace, part 3
iOS MacAs you’ve seen before, DTrace can give you a huge amount of visibility into the guts of your computer. You saw the syscall...
Hooked on DTrace, part 2
iOS MacThe other day I was chatting with one of my colleagues at the Ranch and he asked me where I get my blog ideas....
Hooked on DTrace, part 1
iOS MacThis is the first of a four-parter. You can find the other parts here: two, three, four
Cocoa UI Preservation Y'all
MacMac OS X Lion introduced sudden termination, an opt-in feature for Cocoa apps that allows the system to terminate apps that aren’t in use...
Monsters from the id
iOS MacSometimes things aren’t as simple as they appear. One of my former students was asking what id * meant. This seemed straightforward enough, but...
Hijacking for Fun and Profit
iOS MacLast fall I took a week off to escape from the world. I assigned myself three tasks for that time: disappear and recover...
dispatch_once upon a time
iOS MacGrand Central Dispatch, a.k.a libdispatch and usually referred to as GCD, is a low-level API known for performing asynchronous background work. dispatch_async is its...
An Objective-C Literal Subtlety
iOS MacUpdate: In the time since this blog post was published, the compiler behavior demonstrated has been remedied in the version of clang accompanying Xcode...
Rectangles, Part 2
MacLast time you met some utilities for creating rectangles. Now it's time to actually start using them.
Rectangles, Part 1
iOS MacGeometry is everywhere in modern programming. We have to know how to deal with points, sizes, and rectangles. Back in the old days we’d...
