How can multiple changes be combined into one commit before pushing to a repository?
Junior — Middle
237
iOS
4126
124
How to determine the time cost of inserting a new element into an array?
236
Can you explain what automatic memory management mechanism ARC in iOS means?
Junior — Middle
236
Can you explain what the Chain of Response pattern is and how it is used?
Junior — Middle
235
Where is the reference counter usually implemented for memory management?
Junior — Middle
235
What storage place would you choose for confidential images and why?
Junior — Middle
235
234
What motivated you to choose a career as an iOS developer?
Junior — Middle
233
Can you list other types of memory used in programming, besides the stack and heap?
233
Could you explain what the layoutIfNeeded method does in the context of interface updates?
Junior — Middle
233
Can you explain the term 'queue' in the context of data structures?
Junior — Middle
232
232
What is the main function of the WebSocket protocol and in what scenarios is it used?
Junior — Middle
232
Is it possible to programmatically change the height of a specific cell in UITableView to a forced value?
Junior — Middle
231
What exactly is specified when creating a Semaphore object for initialization?
Junior — Middle
231
// Enum for HTTP methods enum HTTPMethod: String { case post = "POST" } // Enum for errors enum Errors: Error { case invalidUrl case invalidQuery case invalidResponse case httpStatus(Int) } // Protocol for decoding protocol MyDecoder { func decode<T: Decodable>(_: T.Type, from data: Data) throws -> T } // Network service class final class NetworkService { private let session: URLSession private let encoder = JSONEncoder() private let decoder: MyDecoder init( session: URLSession = .shared, decoder: MyDecoder ) { self.session = session self.decoder = decoder } // Request method func request<Response: Decodable, Body: Encodable>( urlString: String, method: HTTPMethod, body: Body? = nil, headers: [String: String] = [:], query: [String: String] = [:] ) async throws -> Response { guard var components = URLComponents(string: urlString) else { throw Errors.invalidUrl } if !query.isEmpty { components.queryItems = query.map { URLQueryItem(name: $0.key, value: $0.value) } } guard let url = components.url else { throw Errors.invalidQuery } var request = URLRequest(url: url)
Middle+
231
How does using UIStackView differ from UITableView when creating a user interface?
Junior — Middle
230
In what situations is it recommended to use NSLock for thread synchronization?
Junior — Middle
230
Explain the stages of the lifecycle of a ViewController instance in an iOS application.
229
Can you explain the concept of weak references in programming?
Junior — Middle
229