All Posts
2026 2
March 1
-
Porting a 200-Line GPT to Swift
I ported Karpathy's microgpt.py to Swift to understand how GPTs work. ~350 lines, zero dependencies.
February 1
-
Punching Holes in SwiftUI: How I Built a Spotlight Framework
A deep dive into destinationOut blend mode, compositingGroup, and the rendering pipeline that makes SwiftUI spotlight overlays work.