September 2002
Intermediate to advanced
544 pages
13h 6m
English
Content preview from Sams Teach Yourself CGI in 24 Hours, Second Edition
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HTTP Basics
HTTP (Hypertext Transfer Protocol) is a protocol—a set of rules that computers use to communicate over a network. It is designed to enable HTTP clients (such as Web browsers) to request information or services from HTTP servers (better known as Web servers).
HTTP is a connectionless protocol. This means Web browsers and Web servers don’t establish a connection to each other; instead, they send individual messages back and forth. A connection-oriented protocol works like the telephone system. When you call someone on the telephone, a connection is established. You can then talk to each other over that connection until one of you hangs up. On the other hand, connectionless protocols work like the postal service (except much more quickly). ...
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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.