Do you want to measure performance or get other info from your app or script? Using Signposts is ideal, and here’s the first glimpse of a new tool to harvest them.
Swift
While we’re worrying about 32-bit apps, something else is changing which is likely to stop many more apps from working properly. In the near future.
A detailed exploration of how to use Signposts to investigate performance of your code, and the limitations of Apple’s tools.
New tools for developers, scripters, and anyone who performs demanding tasks with their Mac(s).
The moment you start writing apps that work with documents, you’ll need to know how to use UTIs. That requires inspired searching, guesswork, and trial and error.
Apple tells us not to use hard-coded colours like .black, but sets the default for scrolling text views to .black, causing text to be rendered in black on dark grey when in Dark Mode. Here’s a simple and universal fix.
Why did accessing a popup menu suddenly start throwing an exception? And why doesn’t a super call handle this? Another Swift mystery solved.
Fire up your eGPUs, engage Dark Mode, and open Xcode: our Macs are once again going to be at the centre of invention and reinvention.
After 2 years, developers should be able to use the unified log for performance analysis, thanks to extensions and Xcode’s Instruments. Sysadmins and users remain neglected, though.
Adding sub-commands to write the contents of textboxes to the pasteboard: a simple task, but so easy to get hopelessly lost in it.
The Eclectic Light Company 