On Sierra, I’m getting the following posted when I open a window that hosts a drawer: 2017-07-18 10:06:31.546972+1000 Ortelius 2[10080:3577648] [General] ERROR: Setting <NSOutlineView: 0x10182d140> a

Hi All, I have a Question about GKSession and about turn based games in GC in general. Firstly, do I *need* to use GKSession in order to create a Turn Based Game? If so, then it looks like I will al

I just switched on: Implicit ownership types on out parameters = CLANG_WARN_OBJC_EXPLICIT_OWNERSHIP_TYPE and now I get complaints about stuff like: - (BOOL)isNiceAndHas: (NSArray **)friends; Method

Hi, So my to-do list is almost done, and I have one problem, I imbedded my table view controller in a navigation controller and all is well, until I try to add a row to the table view, o we have a pro

Hi, I’m getting a warning on this method: [GKPlayer loadPlayersForIdentifiers:theMatch.playerIDs withCompletionHandler:^(NSArray* thePlayerArray,NSError* theErrorInfo) It says to replace it with “

Hi All, I’m developing a game and want to use Game Centre, the game is for 2 to 9 Human or AI players, by AI I mean that that program itself makes a move on behalf of one or more AI Players. So, in

Hi All, Using the Simulator, how can I log off from Game Centre? I’ve logged on ok once, but now I want to test it again from not being logged in. Thanks a lot Dave

I have an application that presents a window to the user which floats above all other windows. It must be running at all times when any user is logged in. I achieve this with a launchd.plist ins

Hi all, I have a property "velocity" that returns a custom object representing a 2D vector. That vector object has properties "x" and "y". From time to time, the value of velocity to be displayed wil

Hi, I’m trying to understand how to use the GKTurnBasedMatch facility in Game Kit. From reading the documentation, I’m not quite sure how make it work with the rules of the game I am developing.

Hi All, In the following code, does it *need* to use the dispatch_async function? dispatch_async(dispatch_get_main_queue(), ^{ if ([[self delegate] respondsToSelector:@selector(gameCenterManager:a

Here we go again… another memory management issue. I have a fairly simple situation where I instantiate a window controller (NSWindowController subclass), which loads its window from a nib file. Th

I have a general question about memory management of a panel shown as a sheet. As a general design pattern, I often have a class method that returns a new instance of a NSWindowController subclass

Hi all, I'm following a tutorial on SceneKit, which sets up a few nodes, a camera, and some keyboard capturing to let the user arrow around the sceene. The author of the code says it works on his mac

I have a view controller that loads from a nib. I only have the nib in English, no other localizations. When I run with my normal American English setup, all is well. But if I set the l

This works (prints either null, NSString or NSNumber) - (id)transformedValue:(id)value { NSLog(@"%s value %@ %@",__FUNCTION__, [value class], value); … } But my Swift version: override

How to translate this into Swift - (id)transformedValue:(id)value { if ( ![value respondsToSelector: @selector(doubleValue) ] ) { NSLog(@"%s Error value %@ %@",__FUNCTION__, [value class],

I have a project: Some Folder Some.xcodeproj Old and Bad Name lots of stuff I would like to change the folder “Old and Bad Name” to “Nice new name” I could rename this folder in Finder

10.12 added a method to NSProcessInfo, -fullUserName. How do I get the same info on earlier OS? —Graham

Hi all, At the moment I am saving tiff files in a one-liner using [[myNSImage TIFFRepresentation] writeToFile:atomically:]. I am considering a change to write rather large multi-page tiff files ins