Isaac Chen • Aug 8, 2018 • 1 min read

A Small Trick to Hide NSPopover's Arrow

Just when you thought it's impossible. Read →

Isaac Chen • Mar 3, 2018 • 8 min read

Detecting File Dragging in Cocoa

Sometime you may want to show a floating window to provide a place to drop when user dragged a file. Here is how.  Read →

Isaac Chen • Dec 21, 2017 • 4 min read

Rotating a View Is Simple Not Easy

So I was asked to do a easy feature recently, provide two button to rotate a image view 90 degree clockwise or counterclockwise with animation. How hard could it be?  Read →

Isaac Chen • Aug 4, 2017 • 4 min read

Adding Login Items in Cocoa

Here is a simple guide on how to add login item using Service Management Framework. Read →

Isaac Chen • Jul 31, 2017 • 12 min read

Cocoa Handy Helpers

Some useful functions and extensions for macOS in Swift. Read →