Validation

Every iOS dev hears that whisper sooner or later: "These fields look the same…you should build a form-engine." Those who follow that whisper almost always end up with an over-abstracted mess. Here, we look at building a simple validation flow that keeps us on the right path.

Change is hard. Tracking change is harder. Tracking change in an app is the hardest of all! Here, we look at how to track changes by splitting the change from its presentation.