
The Age of Domain Experts
For a long time the domain expert was in back, the developer in front. When the screen becomes one axis, the order flips — the one who knows what to make stands in front.
Vol. 6
build
- One File, Two Shapes — A List That Does Not Know Its LengthScreen course, final part. conditional splits the screen, list builds rows without knowing how many, and sixteen pieces across three tracks meet.DEV
- All of It, on One RuntimeA chip in February, instruments in March, a dashcam in April, a greenhouse in May. Each has its own app and knows nothing about the others. Yet the code that draws the screen is byte-identical across all twenty-seven copies. Not the same version — the same file.DEV
- A Button Names a Tool and Stops ThereScreen course, part 4. There is no code in onTap, only a tool name. Whether that name actually reached the host cannot be seen in a picture, so the harness presses the buttons and writes down what arrived.DEV