November 2011
Intermediate to advanced
320 pages
10h 18m
English
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Inheritance for data: URLs
The data: scheme,[196] first outlined in Chapter 2, was designed to permit small documents, such as icons, to be conveniently encoded and then directly inlined in an HTML document, saving time on HTTP round-trips. For example:
<img src="data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEBLAEsAAD...">When the data: scheme is used in conjunction with type-specific subresources, the only unusual security consideration is that it poses a challenge for plug-ins that wish to derive permissions for an applet from its originating URL. The origin can’t be computed by looking at the URL alone, and the behavior is somewhat unpredictable and highly plug-in specific (for example, Adobe Flash currently rejects any attempts to use data: documents). ...
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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.