September 2024
Intermediate to advanced
250 pages
9h 18m
English
Content preview from ActivityPub
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Appendix B. Activity Streams 2.0 Properties
This appendix describes each of the important properties defined in AS2. I cover what type of object they can apply to, what values they can have, what they’re used for, and what to watch out for. I also give tips for publishers and consumers to maximize interoperability.
For each property, I include the following information:
| Information | Explanation |
|---|---|
| Type | The type of object this property applies to |
| Value | The types and typical values of this property, including whether plural values are allowed |
| Group | A rough category of related properties, created by me |
| Importance | A subjective evaluation of the importance of this property |
| Notes | My notes on the property |
| To publish | Tips on publishing objects with this property |
| To consume | Tips on consuming objects with this property |
| See also | Related properties that may be worth considering |
Most of the value types are typical of programming language types: strings, integers, floating-point numbers, Booleans. Many are URI or URL types. Most important, the id type can be an object, a URL, or an array of objects and/or URLs. Handling ids or JSON objects is discussed pretty thoroughly in Chapter 2, including how to handle each of the value types.
I wish I could say that I love all the AS2 properties equally, but they aren’t my kids, so I don’t have to do that. Some of these properties are under-defined and not easy to use. In the notes and tips, I try to err on the side of interoperability ...
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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.