December 2002
Intermediate to advanced
576 pages
32h
English
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Name
ContentDigest
Synopsis
ContentDigest on|off
Computes an MD5 (Message Digest 5) hash of the body content of core data sent to the client. This value is stored in a header that looks like:
Content-MD5: AyTr28784eSp2k67d98n28a=
The receiver can use this hash value to determine whether the contents of the page have been altered in transit. The hash values are not cached for each page sent; hence, they must be recalculated each time data is requested.
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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.