May 2022
Beginner to intermediate
756 pages
21h 30m
Korean
book
HTTP 완벽 가이드
by David Gourlry, Brian Totty, Lee Eung Jun, Sang -Il Jeong, Anshu Agarwal, Seilu Reddy, Marjorie Sayre
Content preview from HTTP 완벽 가이드
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223
7
장 캐시
The Definitive Guide
if ($
서버
_
신선도
_
한계
< $
캐시
_
최소
_
수명
_
기본값
)
{ $
서버
_
신선도
_
한계
= $
캐시
_
최소
_
수명
_
기본값
; }
}
return($
서버
_
신선도
_
한계
);
}
이제 서버가 명시한 문서의 나이 제한을 클라이언트가 어떻게 덮어쓸 수 있는지 알
아보자. 예 7-3은 서버 신선도 한계를 가져와서 클라이언트의 제약에 맞게 수정하
는 예를 보여준다. 그 예는 문서가 도달할 수 있고 재검사 없이 캐시로부터 제공될
수 있는 최대 나이를 반환한다.
예
7
-
3
클라이언트 신선도 대조 계산
sub
클라이언트가
_
수정한
_
신선도
_
한계
{
$
나이
_
한계
=
서버
_
신선도
_
한계
(); ##
예
7-2
에서
if ($Max_Stale_
값이
_
설정되었나
)
{
if ($Max_Stale_
값
== $INT_MAX)
{ $
나이
_
한계
= $INT_MAX; }
else
{ $
나이
_
한계
=
서버
_
신선도
_
한계
() + $Max_Stale_
값
; }
}
if ($Min_Fresh_
값이
_
설정되었나
)
{
$
나이
_
한계
= min($
나이
_
한계
,
서버
_
신선도
_
한계
() - $Min_Fresh_
값
);
}
if ($Max_Age_
값이
_
설정되었나
)
{
$
나이
_
한계
= min($
나이
_
한계
, $Max_Age_
값
);
}
}
전체 과정은 문서의 나이와 신선도 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.