Magic numbers term refers to using numbers directly in your code. The assumption among some developers is that each number should have a variable name assigned to it. However, the general rule is that only unclear or repeating numbers should be assigned to a constant for readability and maintainability. There is a difference.
A good example would be the greatest number in the whole world – 3.14159265358979323846. You don’t want to use this number each time you need it in your code. Assigning it to a constant would be a much better solution. Your developer buddies will love you to death for doing that.
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As in Mass Effect… anyone? OK, so yesterday on my way home from CodeFellows HQ I was going through the list of things I wanted to read and came across an article I saved a while back called “Unwinding”. The title sounded interesting and since I had nothing better to do on my 40 min bus ride, I decided to give it a read.
Typically when you present a view controller (modally), presenting view controller is set to be the delegate and is responsible for dismissing it when the user is done performing his / her task. While it is possible to dismiss presented view controller from within itself, that’s not the pattern to pursue.
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