Explain the principle of synchronous operations and their purpose in programming.
Junior — Middle
230
iOS
4126
124
Explain the concept of the responder chain in the event handling system in GUI applications.
Junior — Middle
229
In what situations is the viewWillAppear method called, but viewDidAppear does not trigger?
Junior — Middle
228
What is the sequence of method execution when creating and displaying a ViewController in iOS?
Junior — Middle
228
How do approaches to memory management differ in Objective-C and Swift?
Junior — Middle
227
What is the role and application of auxiliary data tables in databases?
Junior — Middle
226
What is the purpose of the 'Await' keyword in Async/Await constructs in programming?
Junior — Middle
226
Можете ли вы описать, каким образом вы реализовали механизм Copy-on-Write в своей практике?
Middle — Middle+
225
How many times does viewDidLoad get called in the lifecycle of a UIViewController?
Junior — Middle
225
What is the difference between the methods viewWillLayoutSubviews and viewDidLayoutSubviews in the UIViewController lifecycle?
Junior — Middle
223
Can you explain the concept of Retain in Objective-C and how it affects memory?
Junior — Middle
218
How was memory management handled before implementing Side Table?
Junior — Middle
217
Do you have experience developing with Objective-C?
Junior — Middle
217
Can you explain the concept of Barrier in multithreaded programming?
Junior — Middle
206
What is the difference between Weak and Unowned references in memory management?
Junior — Middle
204
Share your experience in solving complex or unusual user interface tasks from your previous workplace.
Junior — Middle
204
Can you share your professional experience and key achievements?
Junior — Middle
198
How does the operating system manage and switch the execution of multiple threads on the processor?
Middle — Middle+
196
Can you explain what a DispatchGroup structure is and how it is used for synchronizing the execution of multiple asynchronous tasks?
Junior — Middle
196
Does UIGestureRecognizer handle events through UIResponder in iOS?
Junior — Middle
196