September 2017
Intermediate to advanced
450 pages
11h 24m
English
Content preview from MEAN Cookbook
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How it works...
Our CurrentUserService tracks the current user's status through a special type of Observable provided by RXJS called a BehaviorSubject. BehaviorSubject has the special property of always having a subject associated with it that changes over time. When our current user status changes, any other part of our application that gets its value from our getUser method as an Observable will be updated via data binding. By default, we set this object to an empty User instance, but, upon login we pass in a new value using the next method of BehaviorSubject. Using observables for these sorts of long-running dynamic values can be useful for getting the asynchronous state of an object whenever it changes.
Our login method uses Angular's ...
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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.