April 2013
Intermediate to advanced
1700 pages
92h 51m
English
Content preview from C# 5.0 UnleashedBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Expression Trees
As mentioned before, lambda expressions were introduced as part of the C# 3.0 LINQ wave of languages features, but not just as a way to simplify the syntax used to create anonymous functions. One of the key promises of LINQ is the capability to express a query using the same language-integrated syntax no matter where it executes. This means the query can target in-memory object graphs (with LINQ to Objects) as well as remote data sources such as SQL databases (with LINQ to SQL or the Entity Framework).
However, databases like SQL Server cannot be approached with IL code representing the query to be executed (ignoring the concept of SQL CLR entirely here): They all speak their own query languages. For SQL Server, that’s obviously ...
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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.