Class is implemented in both

I have a Pref Pane and a Screen Saver module. They both share a common helper class (MyDisplayManager). When the pref pane has been loaded and I go into the screen saver (or vis versa), because the host app is System preferences, I get: Class MyDisplayManager is implemented in both One of

[NSXPCConnection] Getting the effective user/group ids of the listener

It's possible to retrieve the effective user/group ids of the remote peer from the listener delegate method. But it there a way for the remote peer to get the effective user/group ids of the remote listener? According to the CREDENTIALS section of the xpc_objects(3) man page, it seems to be

Re: Drag and Drop on iOS

On 11 Aug 2016, at 13:49, Graham Cox wrote: > I have a small app that works on Mac, and I’m further developing an iOS > version of it. > > I’m wondering what the general approach is for dragging an object from one > view to another in iOS is. On the Mac version, I