Low level design
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Chapter 33. Practise QuestionsPractise Questions
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Chapter 34. SplitwiseSplitwise
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Chapter 35. Summary BoardSummary Board
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Chapter 36. Counting ImpressionsCounting Impressions
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Chapter 37. rate limiterA rate limiter, at a high-level, limits the number of events an entity (user, device, IP, etc.) canperform in a particular time window.