https://developer.apple.com/library/content/technotes/tn2265/_index.html Enabling Push Status Messages on iOS To enable logging on iOS, install the configuration profile PersistentConnectionLogging.mo

Just checking in to see if someone here knows something I don’t with regards to the available keyboard types vs. the displayed keyboard types on the iPad under iOS. Of course, the documentation here i

I'm probably missing something obvious here. I have an NSScrollView. Its document view is an NSImageView. At some point, I add a custom NSView subclass as a subview of the image view. This custom view

I want to display tooltips over parts of an attributed string, and thought that using an NSToolTipAttributeName attribute on the required ranges would do the trick but I can't get it to work. In my to

HiI all, I have a dictionary that has been loaded from a plist file, which has a deep structure of dictionaries within dictionaries. I would like to modify just one key-value pair deep in that hierarc

Dear all, I am developing a persistent object framework (object oriented database) called the Nursery framework. https://github.com/Nursery-Framework/Nursery In that framework I am using a deprecated

HI, Is there a way to force a tooltip to display when I want it to? I have a UI with a spring-loaded popover - it is only shown during mousedown on its host view. Tooltips on the items in the popover

I would like some help building constraints that adjust a superView to the size of it's subView. Specifically, I have a UILabel embedded in a UIView. The label has fixed width and (since numberOfLines

I have a window with 3 views that I want to be able to switch focus between using the tab or shift-tab keys. Going by the view programming guide, it seems like I shouldn't have to do anything besides

Clang has a warning option, -Wcstring-format-directive, that produces a warning "Using %s directive in NSString which is being passed as a formatting argument to the formatting method" on a line like:

The static analyzer gives me some warnings of possible leaks that I know aren't real leaks, but it makes me think that I may be using a bad design pattern. The situation is that I create an instance o

Hi all, We are getting a few reports from a couple of our more adventurous customers who are running a beta version of 10.13.2, saying that our app doesn’t launch (the App is available on the App Stor

While we see in the docs for the classes we are looking at that “this class inherits from this other class”, we don’t see the whole inheritance chain. Sometimes, that’s useful. Once we have a model of

On High Sierra, 10.13.n, how does a developer go about uninstalling their own kext placed in /Library/StagedExtensions? As I understand it (maybe incorrectly), these are under SIP protection. The docs

macOS 13.1 Is there a way to ascertain whether a process is sleeping or awake? There is IORegisterForSystemPower which sends seep/wake notifications but needs a runloop. Anything else? Background: I w

I need to do select() with a rather large timeout value (several minutes). So in order not to block the runLoop / mainThread I tried: dispatch_queue_t myQueue = dispatch_get_global_queue( QOS_CLASS_BA

All, I sort of came down with "paralysis analysis" last night. I am developing a small chat app on iOS. I am going to use Foundation's InputStream, OutputStream, and StreamDelegate. I became stuck bet

My app may need to - send an SMS message; or - place what looks like a phone call to a paging system … without user intervention. In other words MessageUI.framework and tel: URLs are out. Is there a w

Hi All, I’m trying to update an old Mac Pro Early 2008 from 10.10.5 to 10.11.6, does anyone know how to do this? I can’t find it on the App Store and can’t find a separate .dmg file to download….. Any

After migrating to macOS 13.1 when I first started Xcode (9.1) it told me that it had to install some components. What are these “components” and where do they live? Also: My macOS 13 partition does n