Concurrency
Main thread and UI
In a UIKit screen you set label.text = result inside a network response callback, and sometimes the screen updates late or not at all. What's causing that?
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ConcurrencyShort answerBasics
While the user scrolls, an on-screen countdown Timer stops, and when scrolling ends it ca…
#main-thread #runloop
Performance and debuggingShort answerAdvanced
You want to add a feature to your in-house APM that captures a stack whenever the main th…
#main-thread #runloop
ConcurrencyShort answerAdvanced
In Swift Concurrency, what's the difference between putting @MainActor on a whole view mo…
#ui
CS fundamentals and algorithmsShort answerBasics
What's the difference between a process and a thread? What do threads share, and what doe…
#main-thread