7 posts tagged with TWTValidation

Validating Data with TWTValidation

A few months ago, Andrew and I were working on a project that required some validation of model objects and form data. After looking around a bit, we quickly came to the conclusion that there aren’t any widely accepted best practices for data validation in Cocoa. If you’re using Core Data, you can declare some validators for strings and numbers in your data model. If you’re not, you have to roll your own validation system, perhaps using Key-Value Validation (KVV), a part of Foundation that many experienced Cocoa developers have never even heard of.

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