Questions tagged [optional-values]

79 questions
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SQL derived value by a set of Row

Hi my table looks like this Combination of Rows with same S id is termed as a family. Output should have a Calculated Tier code based on below derivation Output put should be Output First time i am using Stackoverflow. I need a query in db2 and I…
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When converting String to Int type and print that Int type in console then show an error "Unexpectedly found nil while unwraping an optional value"?

When converting String to Int type and print that Int type in console then show an error Unexpectedly found nil while unwraping an optional value ViewController.swift @IBAction func btnVerifyOTP(_ sender: Any) { let verifyOTP =…
AR Tunes
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fatal error: unexpectedly found nil while unwrapping an Optional value

I'm getting this error when I run my code: fatal error: unexpectedly found nil while unwrapping an Optional value, what could be causing this? var bodyData =…
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Swift Optional Value in variable

I have some variables all coming true just tarih1 output shows Optional(2016). I didn't resolve it. I want to fix it to 2016. My code below. if let myString: String = String(seans.SeanceDate) { let myStringArrf =…
SwiftDeveloper
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