Category Archives: cocoa

Inter-process communication in a sandboxed Mac app

Posted on 2026-10-09 by Graham

Axminster—my graphical software design tool for the AI coding age—is still in beta, and it’s already been through three different technologies for inter-process communication (IPC). What gives? The reason the app needs IPC at all is to support the Model … Continue reading →

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Announcing AppScript

Posted on 2026-03-16 by Graham

Announcing AppScript: an interpreted Objective-C subset with no pointers or primitive C types. We finally got Objective-C without the C.

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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

Novel bean incoming

Posted on 2021-01-02 by Graham

You may remember in July I updated the open source Bean word processor to work with then-latest Xcode and macOS. Over the last couple of days I’ve added iCloud Drive support (obviously only if the app is associated with an … Continue reading →

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Reflections on an iBook G4

Posted on 2020-10-13 by Graham

I had an item in OmniFocus to “write on why I wish I was still using my 2006 iBook”, and then Tim Sneath’s tweet on unboxing a G4 iMac sealed the deal. I wish I was still using my 2006 … Continue reading →

Posted in AAPL, carbon, cocoa, darwin, Mac | 1 Comment

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

On writing a book

Posted on 2010-04-02 by Graham Lee

Well, I’ve performed my final author’s review, and Professional Cocoa Application Security is all with the printers. This post is about my experiences writing the book, not the book material itself. My original motivation for writing PCAS was that it … Continue reading →

Posted in book, cocoa, security | 1 Comment

Rehearsals in beta!

Posted on 2010-03-30 by Graham Lee

I have a new application, Rehearsals, an online practice diary for musicians. If that sounds like the kind of thing you’re interested in, and you have Mac OS X 10.6 or newer, then please download the beta release and test … Continue reading →

Posted in cocoa, metadev, rehearsals, test | Leave a comment

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