iOS

How does the use of classes affect the management of multithreaded operations, and what are their advantages and disadvantages in this context?

Explain the differences between the 'map' and 'flatMap' methods when working with collections or data streams.

Junior — Middle

Мосбиржа

Where is it recommended to implement the registration of listeners for the notification system?

Can you explain what is meant by DataSource in the context of working with databases or external data sources?

How can a View be attached to a window in an application?

What methods can be used to prevent Data Race in multithreaded programming?

Can you explain the concept of repeating in Swift and how it is used in code?

What reasons are absent in the base initialization method of a class?

Do you have practical experience working with the MVVM architectural pattern?

Can you explain what the DELETE operator does in SQL queries?

Can you explain the concept of dependency injection and why it is needed in programming?

How does Automatic Reference Counting (ARC) work at runtime?

Junior — Middle

Альфа-Банк

Avito

VK

+1

Have you had experience developing interfaces for interacting with the backend of applications?

What signs indicate inefficient or incorrect system architecture?

Middle — Middle+

Яндекс

Have you had experience dealing with issues and challenges arising from multithreading in programs?

Explain what is meant by the concept of an existential container and how it is used in programming?

Junior — Middle

Selecty

Aston

ivi

What type of queue is used in default standard implementations?

What is the maximum number of UIWindow instances that can be created in an application?

Junior — Middle

Мидлэнд

МТС

Uzum

Can you explain the concept of Optional Publisher and in which situations it is used?

Junior — Middle

4 лапы

Explain the concept of lazy collections and their use in programming.

Junior — Middle

Суши Вок