iOS system designSpotifyinterview report
Search feature design
Design the search screen of a music app: autocomplete while typing, a results list, and recent searches. Focus on how you keep a request from going out on every keystroke.
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ConcurrencyShort answerBasics
Calling the API on every keystroke in a search field floods it with requests. Can you imp…
#search #debounce #cancellation
ConcurrencyShort answerAdvanced
You scheduled DispatchQueue.main.asyncAfter(deadline: .now() + 2) { showTooltip() }, and …
#debounce #cancellation
ConcurrencyShort answerBasics
When the search query changes, the previous search's network, decoding, and image work al…
#search #cancellation
CS fundamentals and algorithmsShort answerExpert
You need search autocomplete that works offline: 500,000 candidate words, and on every ke…
#search #autocomplete