Memory and ARCSalesforceinterview report
Closure capture cycles
A messaging app's ViewModel keeps a completion closure in a property for a long time, and inside it updates self.messages. What reference graph creates the retain cycle?
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Memory and ARCMultiple choiceBasics
Which of these two snippets creates a reference cycle? …
#retain-cycle #weak-self
Memory and ARCShort answerBasics
Give me a concrete code example that creates a retain cycle, and fix it.
#retain-cycle #weak-self
Memory and ARCShort answerIntro
What is ARC, and why do we need it?
#arc
Memory and ARCShort answerBasics
A view controller doesn't seem to leave memory after you close its screen. How would you …
#retain-cycle