Category Archives: objc

[objc retain]; continues apace

Posted on 2022-01-27 by Graham

I just finished recording episode 35 of [objc retain]; the stream on Objective-C programming with Free Software that I co-host with Steven Baker. It is available on Twitch and you can subscribe there to get notified about new episodes. It … Continue reading →

Posted in FLOSS, freesoftware, gnustep, objc | Leave a comment

In which I misunderstood Objective-C

Posted on 2021-09-19 by Graham

I was having a think about this short history of Objective-C, and it occurred to me that perhaps I had been thinking about ObjC wrong. Now, I realise that by thinking about ObjC at all I mark myself out as … Continue reading →

Posted in cocoa, design, freesoftware, gnustep, nextstep, objc | Tagged | 1 Comment

[objc retain] stream

Posted on 2021-02-03 by Graham

Starting next week: [objc retain]; in which Steven Baker and I live-code Objective-C on a modern free software platform. Wednesday, February 10th, 1900UTC. More info at objc-retain.com.

Posted in gnustep, objc | Leave a comment

LLVM projects you may not be aware of

Posted on 2010-05-12 by Graham Lee

All Mac and iPhone OS developers must by now be familiar with LLVM, the Low-Level Virtual Machine compiler that Apple has backed in preference to GCC (presumably at least partially because because GCC 4.5 is now a GPLv3 project, in … Continue reading →

Posted in C++, Java, objc | 27 Comments

The difference between NSTableView and UITableView

Posted on 2010-04-15 by Graham Lee

A number of times, I’ve chased myself down rat holes in iPhone projects because I’ve created a design or implementation that assumes UITableView and NSTableView are similar objects. They aren’t. The main problem I come across is related to how … Continue reading →

Posted in cocoa, iPad, iPhone, objc | 3 Comments

How to hire Graham Lee

Posted on 2010-03-02 by Graham Lee

There are few people who can say that when it comes to Cocoa application security, they wrote the book. In fact, I can think of only one: me. I’ve just put the final draft together for Professional Cocoa Application Security … Continue reading →

Posted in book, Business, cocoa, conference, CoreData, iPad, iPhone, Java, kernel, macfuse, mach, nextstep, objc, openstep, UNIX, xcode | 2 Comments

Unit testing Core Data-driven apps, fit the second

Posted on 2010-01-10 by Graham Lee

It took longer than I expected to follow up my previous article on unit testing and Core Data, but here it is. Note that the pattern presented last time, Remove the Core Data Dependence, is by far my preferred option. … Continue reading →

Posted in cocoa, CoreData, objc, unittest | 6 Comments

Unit testing Core Data-driven apps

Posted on 2009-09-06 by Graham Lee

Needless to say, I’m standing on the shoulders of giants here. Chris Hanson has written a great post on setting up the Core Data “stack” inside unit tests, Bill Bumgarner has written about their experiences unit-testing Core Data itself and … Continue reading →

Posted in cocoa, CoreData, objc, unittest | 2 Comments

Refactor your code from the command-line

Posted on 2009-07-08 by Graham Lee

While the refactoring support in Xcode 3 has been something of a headline feature for the development environment, in fact there’s been a tool for doing Objective-C code refactoring in Mac OS X for a long time. Longer than it’s … Continue reading →

Posted in cocoa, nextstep, objc, openstep, xcode | 3 Comments

KVO and +initialize

Posted on 2009-07-01 by Graham Lee

Got caught by a really hard-to-diagnose issue today, so I decided to write it down in part so that you don’t get bitten by it, and partly so that next time I come across the issue, I’ll remember what it … Continue reading →

Posted in applescript, cocoa, objc | 1 Comment