iOS

What operations or tasks can be performed in the background of an application or system?

Junior — Middle

Т-Банк

How do you implement user interface display in your project?

Junior — Middle

VK

What are the ways to implement optional elements in code?

What are the advantages of using DispatchWorkItem in multithreaded application development?

Junior — Middle

Альфа-Банк

Is it possible to implement a graphical interface using CALayer in an iOS app?

What is the difference between a data structure that stores unique elements and a sequence of elements that allows repetitions?

Junior — Middle

Локобанк

VK

БКС

+1

Could you explain the role and purpose of the Coordinator pattern in application architecture?

Can you give an example when objects of reference type are stored on the stack?

Junior — Middle

Иннотех

Petshop

Альфа-Банк

+3

How do data storage mechanisms in Keychain and Core Data differ in iOS?

Junior — Middle

Т-Банк

Can you list the main principles of object-oriented programming?

Junior — Middle

Itexus

ITFB

Суши Вок

+1

What methods should be used to ensure security when working with story images in the app?

What difficulties can arise when using context within business logic in UseCase?

Junior — Middle

Т-Банк

What happens when calling the sync method on the main thread in an application?

What are the main difficulties that may arise when using the escaping mechanism of closures?

Junior — Middle

Одноклассники

Can you explain what happens during the execution of 'git merge' and how it combines branches in a repository?

Junior — Middle

СБЕР Бизнес

СБЕР

Is it possible to add new properties to an object through type extension?

Junior — Middle

Simbirsoft

What type of type management mechanism is applicable to generic types in programming languages?

In which cases is it preferable to use reference types in programming?

Is it possible to implement inheritance for a data structure?

How can optional functions be implemented in interfaces or protocols?