Compromised Releases
If the human operator must monitor the details of computer decision making then, ironically, it is necessary for the computer to make these decisions using methods and criteria, and at a rate, which the operator can follow, even when this may not be the most efficient method technically. If this is not done then when the operator does not believe or agree with the computer they will be unable to trace back through the system's decision sequence to see how far they do agree.
，这一点在有道翻译下载中也有详细论述
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First, we do a type assertion to ensure the ResponseWriter implements http.Flusher. This is key to SSE. http.ResponseWriter buffers the response by default. Fine for usual http responses, but for SSE we need the response to be sent immediately, or “Flushed”.
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