When comparing List of fiddles / gists / plunkers vs AngularJS - O'Reilly book, the Slant community recommends AngularJS - O'Reilly book for most people. In the question“What are the best resources to learn AngularJS?” AngularJS - O'Reilly book is ranked 3rd while List of fiddles / gists / plunkers is ranked 9th. The most important reason people chose AngularJS - O'Reilly book is:
You start out with key features, then through building an app learn layout, testing, compiling, and debugging.
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Pros
Pro Crowdsourced
Anyone is welcome to edit and add more examples.
Pro Interactive
A huge list of fiddles / gists / plunkers that you can mess around with.
Pro Thorough overview of AngularJS
You start out with key features, then through building an app learn layout, testing, compiling, and debugging.
Pro Written by people who worked on AngularJS
It is written by two engineers who worked on AngularJS at Google.
Cons
Con Could be confusing for a beginner
These are samples of code rather than tutorials, so someone completely new to Angular might have trouble figuring out what they are looking at.
Con Many errors throughout the book
A lot of the code examples given in the book don't run because of errors. This can make it confusing and difficult to follow, especially for beginners.