iOS

What is the difference between protocols and classes when it comes to abstract classes?

What is a Pod in the context of iOS development?

What is a mutex (mutual exclusion)?

What happens if a function takes a value of type double, and an argument that does not match this type is passed, for example, a string?

How is an optional stored in memory in Swift?

Can you explain what the setNeedsDisplay method does in the context of updating the user interface?

Junior — Middle

ITFBСБЕР

What are creational design patterns?

When does the operation of inserting an element into an array lead to a runtime proportional to the size of the array?

Junior — Middle

Simbirsoft

What are the advantages and disadvantages of using different types of layouts in iOS?

What data structures exist?

How do the height and width of user interface elements change when scrolling on iOS?

What is GCD (Grand Central Dispatch) in the context of iOS development?

What are other words that can be used to express the open modifier in Swift?

How to get an image from the gallery?

What happens inside NSOperation when the cancel method is called and how is its logic implemented at a low level?

Junior — Middle

МТС

What changes need to be made to constraints before calling layout?

How to synchronize data between threads and ensure context consistency?

What is a statically typed programming language?

What is the complexity of searching for an element in a Swift array?

Can the behavior of the Hit Test method be changed in the current object or component?

Junior — Middle

Яндекс Маркет