I don’t know why, but it’s apparently impossible to directly import a Lightroom catalog from one computer into the catalog of another. It always fails at the end of the import with the same infuriatingly useless error message. However, I seem to have found a fairly reliable workaround: In my experience you must perform the… Read more
Five years ago installing Swift on a Raspberry Pi – or really any non-Apple platform – was fairly involved. Compared to getting a Raspberry Pi working to begin with it was easy, but still a far cry from apt install swift. Sadly it’s still not quite that easy (and some Python package is squatting on… Read more
APFS (like many modern file systems but unlike its predecessor HFS+) supports copy-on-write. This means you can logically copy a file – it looks and behaves like a distinct file – but it doesn’t immediately copy the file’s contents on disk – it merely shares them with the original. Only if and as you modify… Read more
How do you determine if one string starts with another, in Swift? Surely that’s exactly what the hasPrefix(_:) method is for: No can haz etiquette? Wot? The problem is that hasPrefix is not meant for general use with human text; it’s barely better than a byte-wise comparison. It only guarantees that it won’t be fooled… Read more
SwiftUI provides a way to provide a contextual menu for a view, with contextMenu(menuItems:) and friends, but it requires you to manually specify the entire contents of the contextual menu. That means it does not include the standard Services submenu. A brief history of Contextual Menus Contextual menus were introduced [to the Mac] in 1997… Read more
If you try to copy a regular folder (what Xcode calls a “Group”) into a file list for any Build Phase, Xcode refuses. But it does work if you use a folder reference . I have been unable to deduce any reason for this.
There are several ways to hide a SwiftUI view, although they don’t all agree on what it means to hide the view. Do you want it to be invisible, or actually not there? To make it invisible you need only set its opacity to zero or use the hidden modifier. But the view will still… Read more