iOS

Can you explain what the term idempotency means in the context of programming and APIs?

Does using the array element access operator provide protection against out-of-bounds access?

Junior — Middle

Wildberries

What approach do you prefer to use in your projects?

Junior — Middle

СКБ-Контур

Can you describe the main stages of the software product lifecycle?

Do you have experience implementing or working with background task execution modes in applications?

Junior — Middle

Иннотех

How does an object compute its unique hash value?

Explain what an NSThread object is and how it is used to manage threads in iOS or macOS applications.

When exactly is the viewWillAppear method activated in the ViewController lifecycle?

Junior — Middle

VK

bip.ru

How many use cases of event loop are there in your application?

Could you explain the concept of asynchronous processes in programming?

Junior — Middle

DNS

VK

How to implement behavior similar to static properties or methods in other programming languages in Swift?

What requirements do you have for teamwork and atmosphere in a new company?

Junior — Middle

ivi

How does the presence of a Side Table affect the lifespan of an object in the system?

What is the main purpose of using the Hit Test method in graphical interfaces?

Junior — Middle

Разумные решения

Where do elements in an array come from and how is it classified by data types?

Name the main elements included in the UIKit framework.

How is hashing mechanics implemented and how does it work in data structures, ensuring uniqueness and quick access?

Junior — Middle

DNS

Is it possible to implement a mechanism that tracks objects using weak references without preventing their garbage collection?

Junior — Middle

Avito

Is it possible to perform UI operations from a background thread?

Junior — Middle

Разумные решения

What factors inspire you at work and help maintain motivation?

Junior — Middle

DNS