cocoa

I thought I'd start a thread about how to develop applications for PowerPC Macs running Tiger and Leopard, as I learn to do so. (I know there is a programming-specific sub-forum here, but that's really oriented towards modern macOS / iOS development, so I figured this sub-forum is a better fit...

Hi, cocoa/objective-c project.: If got older Xcode and Macos and got also newer xode and macos. Does it matter if a project is built on older version and running it in higher OS version or even vice versa?. Also, the project when built on older Xcode like xcode 8 or 9 and runs. same project if...

I Got a date in its UTC?. How to find the difference in number of seconds to its local time?. Cocoa/Objective-C.

The button must not be clickable outside the button border. - (void)applicationDidFinishLaunching: (NSNotification *)aNotification { NSButton *btn = [[NSButton alloc] initWithFrame:NSMakeRect(20, 20, 80, 80)]; [btn setBezelStyle:NSCircularBezelStyle]; [btn setTitle: @"+"]; [[_window...

Hello everybody, I try Xcode 9.4.1 on my Macbook Pro (early 2015). It is impossible to use it since the storyboard part is very very very slow. The window report a bug, here is the beginning of the log : Encountered an error communicating with Interface Builder Cocoa Touch Tool. (Failure...

I’ve started a new open-source project called nonky https://github.com/0i0/nonky nonky is a desktop customization platform. A little bit like conky for linux, or geektool for mac it lets you retrieve data from many sources and display them right on your desktop. It uses well known web...

Microsoft LINQ is a component of programming in their systems. I am interested in how it can turn local assets like text and XML files into query-able content. Does Cocoa have anything like this. Thanks

Seeing today's brief video about work in progress on CrossOver Android, then finding last year's blog post, makes me wonder … … whether some future product, from any group of developers, will allow easy use of some apps for Mac OS X – without Apple's operating system. Some, not all – for...

Mac OS X- How to catch Logoff / Restart / Shutdown notifications and do few things before app/process terminates (Backgroud apps / Commandline tool ). With foreground apps , I can achieve the same by using this delegate . -...