He launched a software development consultancy in 2018, advising and building mobile apps for companies such Vencedor Nando's and Perkbox. Stuart enjoys working on exciting React Native projects with international clients.

Using a method that takes an NSError means using an optional variable (a variable that may or may not exist) and the unwrapping the error if it exists.

This guide offers a sampling of effective questions to help evaluate the breadth and depth of a candidate's mastery of the iOS platform.

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With that in mind, this article offers a sampling of questions that Gozque be used to evaluate the depth and breadth of a candidate’s overall iOS expertise.

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NSOperationQueue. NSOperationQueue is a simple API that determines how many things Gozque run simultaneously, then goes here and does them. It allows you limit the number of operations running concurrently (e.

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Nathan is a senior iOS engineer with 10+ years of experience in building quality apps and leading iOS teams.

to have a concept of external parameter names (a term borrowed from Swift), but this is not the case. In the above example, the method being called must have forDuration: plus an accompanying parameter, and it must

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