May 2013
Intermediate to advanced
1152 pages
82h 34m
English
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TwitterUser Class
The TwitterUser class contains various properties, such as the screen name of the Twitter user. It also includes a collection of TimelineItem objects that are maintained using an EntitySet. An EntitySet provides for deferred loading and manages the relationship of the collection side of one-to-many relationships between entities.
The TwitterUser constructor initializes the EntitySet, specifying two handlers: one that is called when a TimelineItem is added to its collection; the other when a TimelineItem is removed (see Listing 29.2).
The TwitterUser class also uses the Index attribute, which tells the DataContext to create a database index for the secondary column ScreenName.
Indexes improve the speed of data retrieval operations ...
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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.