January 2019
Intermediate to advanced
384 pages
11h 50m
English
Content preview from Hands-On High Performance Programming with Qt 5
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Domain Name Service (DNS)
As you already know from your daily experience in HTTP, we don't use IP addresses directly, but rather Unified Resource Locations (URLs) such as www.google.com/index.html. The first thing we have to do before we can even access HTTP is to translate the first part of this character string into a corresponding network address. We do this by using the Domain Name Service (DNS) protocol, which can query a hierarchical collection of servers on the internet holding address data for given domain names. DNS uses the (unreliable) UDP protocol for its transport layer.
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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.
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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.