iOS

Are you familiar with situations where using regular views in SwiftUI led to decreased performance, and how this issue could be addressed using LazyView?

Is the String class part of collections in programming languages?

Junior — Middle

МТС

Uzum

How is data read from UserDefaults in iOS applications?

Junior — Middle

Т-Банк

Can you explain the main differences between a class and an object in object-oriented programming?

Junior — Middle

Суши Вок

How can you determine if two objects of the same type refer to the same instance in memory?

What operations are performed in the main thread of program execution?

Junior — Middle

СБЕР

To which dispatch system does the @Objc Final annotation in Objective-C belong?

Junior — Middle

Simbirsoft

Could you explain what a semaphore is and how it is used for process synchronization?

What methods are used to find errors in synchronous tasks and how to implement them?

Can you explain what URLSession is and how it is used for network requests in iOS?

Junior — Middle

Яндекс Браузер

How can a smooth gradient background be implemented on a UIView?

Where is the logic for interface display implemented in the system?

Have you had experience using Firebase Remote Config for dynamic application configuration?

Junior — Middle

4 лапы

Can you explain what is meant by Availability in systems?

Junior — Middle

Simbirsoft

What are the types of method call dispatching in Objective-C?

Junior — Middle

Вкусно и точка

How is the storage of optional values implemented in programming?

Junior — Middle

Simbirsoft

How to organize object references to prevent cyclic memory retention?

How to create a class that is guaranteed to have only one instance without using the Singleton pattern?

Which assignments or topics proved to be the most difficult for you, and how did you overcome them?

Have you had the opportunity to participate in projects using the Scrum methodology?

Junior — Middle

VK