Q31. How does structured concurrency and cancellation work with coroutines?
A coroutine is cooperative: cancellation sets a flag that the coroutine must observe. Suspend functions from `kotlinx.coroutines` check automatically and throw `Cancellat...
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Q32. How does the .NET garbage collector work, including generations and the LOH?
.NET uses a generational, compacting, tracing collector. New objects go to generation 0. Survivors are promoted to gen 1 then gen 2. Gen 0 collections are frequent and ch...
Q33. What is the context package used for and how do you use it correctly?
`context.Context` carries deadlines, cancellation signals and request-scoped values across API boundaries and goroutines. It is how cancellation and timeouts propagate th...
Q34. Explain slowly changing dimensions and SCD Type 2.
Dimensions change over time: a customer moves city, a product changes category. A slowly changing dimension strategy decides how history is preserved. - Type 1: overwrite...