iOS

What is included in a set in set theory terms?

func getCarPrice() int64 { time.Sleep(1 * time.Second) return rand.Int63n(1000) } func main() { http.HandleFunc("/car/instant", func(resp http.ResponseWriter, req *http.Request) { fmt.Fprintf(resp, "%d", 0) }) http.ListenAndServe(":8080", nil) }

Can you list the different types of closures you know?

Junior — Middle

SelectyОдноклассники

Who is the Router role intended for in the MVVM architecture?

What are the consequences if two objects in Java hold references to each other using strong references?

What types of constructors are implemented in a class and how do they differ?

Junior — Middle

Альфа-Банк

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

What parameters should be analyzed if there are delays or lags when scrolling a table?

What methods should be applied to prevent conflicts when there are multiple Gesture Recognizers on a single View?

Junior — Middle

Avito

Does the behavior of optional closures differ regarding their escape or non-escape nature?

What exactly is initialized in the main file when the application starts?

Junior — Middle

МТС

Have you had experience developing or working with real-time video streaming systems?

At which stage in the UIViewController lifecycle do you set the value for UILabel?

How is the information obtained from an interactor passed to the presenter?

Junior — Middle

Вкусно и точка

How can you create an array that is protected from concurrent modifications from multiple threads?

Junior — Middle

ДунайсРазумные решения

Have you used automation tools to ensure code style consistency in your previous professional activities?

Junior — Middle

Вкусвилл Автомакон

Is it possible to implement a weak reference to a data structure of type dictionary?

Junior — Middle

VK

How is memory freed for objects with cyclic references in managed environments?

Which component of the system handles gesture events in the application?

Can you explain the concept of DataService and its role in application architecture?

Junior — Middle

Т-Банк