574
iOS
4126
124
What is the principle of copy-on-write and why is it used in programming?
Junior — Middle
366
Can you explain the internal mechanism of NSLock in macOS or iOS?
Junior — Middle
327
Are you currently exploring new professional opportunities?
Junior — Middle
303
What is the main purpose of lazy initialization and in what situations is it used?
Junior — Middle
301
Can you explain how the automatic element placement system in Auto Layout is implemented at the internal mechanics level?
292
Could you describe the main responsibilities and projects you worked on in your last position?
Junior — Middle
279
How does locking work when calling the sync method on a sequential queue?
Junior — Middle
267
Can you give an example when an object of a class is created on the stack instead of the heap?
Junior — Middle
264
How should objects be stored using weak references inside collections?
Junior — Middle
263
When can the sizes of Bounds and Frame of a view have different values?
Junior — Middle
262
Have you worked with WebSocket protocol for implementing bidirectional communication in applications?
Junior — Middle
257
What difficulties can be encountered when using the Sync method in conditions of concurrent queue access?
Junior — Middle
256
Can you explain what NSHashTable is and how it is used?
Junior — Middle
249
Is an object of a class always allocated in the heap memory?
Junior — Middle
244
Do you hold an academic degree or a relevant diploma?
Junior — Middle
241
232
Under what conditions does an application transition from active to inactive?
Junior — Middle
232
What salary do you expect to receive for this position?
Junior — Middle
232
Can you explain the Copy-on-Write principle and how it works in data storage systems?
232