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Alan Lee

Alan Lee's Public Library

  • 미국 Social Security를 30년 이하로 가입하신 경우 한국에서 국민연금을 수령하게 되면 Windfall Elimination Provision에 의해서 Social Security 수령액을 국민연금 수령액의 반만큼 깎을 수 있도록 되어 있습니다. 구체적인 케이스마다 다 다르겠지만, SS가 매달 $1000고, 국민연금이 $500나온다면 SS를 $1000 – $500 / 2 = $750만큼 받게될 수도 있습니다.

  • The Voice-Processing I/O unit extends the Remote I/O unit by adding acoustic echo cancelation for use in a VoIP or voice-chat application. It also provides automatic gain correction, adjustment of voice-processing quality, and muting

  • NSNull is used throughout Foundation and other frameworks to skirt around the limitations of collections like NSArray and NSDictionary not being able to contain nil values. You can think of NSNull as effectively boxing the NULL or nil value so that it can be used in collections:


  • simplicity of the work-queue programming model
  • system is able to manage threads much more efficiently than any single application ever could
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