churn !! bad ] mktData #socket,FIX,.. unexpected!

I feel the technology churn is remarkably low.

New low-level latency techniques are coming up frequently, but these topics are actually “shallow” and low complexity to the app developer.

  • epoll replacing select()? yes churn, but much less tragic than the stories with swing, perl, structs
  • most of the interview topics are unchanging
  • concurrency? not always needed. If needed, then often fairly simple.

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