Things I learned: Core Data Dates

If using primitive types, Core Data presents dates as NSTimeInterval instead of NSDate. I sort of knew this. No problem.

When setting value for this property – MUST use timeIntervalSinceReferenceDate.

I did not know this.

 
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Now read this

Better IBActions

This is a small thing, but I am not sure how I have never seen anyone describe this feature of creating IBActions with storyboards, and quick googling doesn’t show me anything obvious. But when you ctrl-click-drag from UIButton... Continue →