Nick explains the correct method to measure elapsed time in .NET applications, emphasizing that using DateTime.UtcNow is incorrect due to performance issues. He demonstrates how to implement accurate time measurement using the Stopwatch class and introduces the more efficient Stopwatch.GetTimestamp method available in .NET 7. This method avoids unnecessary allocations and provides precise time measurements by interacting directly with the operating system's low-level functions.
•9m watch time
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