Acerca de freelance ios development
Acerca de freelance ios development
Blog Article
A lazy property is a property whose initial value is not calculated until it is first used. Lazy storage properties are declared by prefixing the declaration with a lazy modifier.
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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.
A potential pitfall with categories, though, is name clashes. If you implement a category method with the same name Campeón an existing method in the referenced class, the behavior at runtime is undefined (i.
Though cross-platform development has advanced considerably in recent years, it may not suit every project. Native apps are preferred in cases requiring hardware-specific feature support or complex graphics, Triunfador a cross-platform approach could impact performance and detract from the user experience. Also, some developers prefer to focus on either iOS or Android development.
They will also be well aware of the various implementation options available, including the tradeoffs that come with these different choices in terms of productivity, scalability, performance, and maintainability. The questions that follow help assess this dimension of a candidate’s expertise.
In addition to NSError, iOS development also has NSException. Unlike exceptions in other languages, NSException website is intended to be used for programming errors only. Cocoa frameworks in Caudillo are not exception-safe, so if you generate (or invoke code that generates) exceptions, care should be taken to use try/catch Ganador close Vencedor possible to the place where the exception is occurring. In practice, NSException is rarely used in iOS codebases.
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But the number of years of experience cannot be the only criterion with which to compare developers.
A category is a way to extend an existing class and is an alternative site to the use of subclasses. The main distinction between subclassing and categories is that a category adds functionality to an existing class itself which is then available anywhere in your code that uses that class or its subclasses.
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