Linq find differences in two lists

Posted by Salo on Stack Overflow See other posts from Stack Overflow or by Salo
Published on 2010-03-08T19:59:42Z Indexed on 2010/03/08 20:06 UTC
Read the original article Hit count: 512

Filed under:

LINQ

|

differences

|

in

|

sets

I have two list of members like this:

Before: Peter, Ken, Julia, Tom

After: Peter, Robert, Julia, Tom

As you can see, Ken is is out and Robert is in.

What I want is to detect the changes. I want a list of what has changed in both lists. How can linq help me?

© Stack Overflow or respective owner

Related posts about LINQ

LINQ to SQL, LINQ to XML and Accessing DataTable using LINQ

as seen on C# Corner - Search for 'C# Corner'
This article demonstrates how to use LINQ on DataTable, XML Data using LINQ to XML and SQL server data base using LINQ to SQL Classes. >>> More
Exception with Linq2SQL Query

as seen on Stack Overflow - Search for 'Stack Overflow'
I am running a query using Linq2SQL that comes down to following query: DateTime? expiration = GetExpirationDate(); IQueryable<Persons> persons = GetPersons(); IQueryable<Items> subquery = from i in db.Items where i.ExpirationDate >= expiration … >>> More
What is Linq?

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
The way data can be retrieved in .NET. LINQ provides a uniform way to retrieve data from any object that implements the IEnumerable<T> interface. With LINQ, arrays, collections, relational data, and XML are all potential data sources. Why LINQ?With LINQ, you can use the same syntax to retrieve… >>> More
Mixing Silverlight-Specific System.Xml.Linq dll with Non-Silverlight System.Xml.Linq dll

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a Logic layer that references Silverlight's System.Xml.Linq dll and a GUI that is in WPF (hence using the non-Silverlight System.Xml.Linq dll). When I attempt to pass an XElement from GUI project to a method in the Logic project, I am getting (basically) "XElement is not of type XElement" errors… >>> More
Subsonic 3 LINQ vs LINQ to SQL

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am using SQL Server 2005 in a project. I have to decide about datalayer. I would like to use LINQ in my project. I saw SubSonic 3 supporting LINQ and I also have option for LINQ to SQL, because i can have typed lists from LINQ to SQL. I am wondering what is different between LINQ to SQL and… >>> More

Related posts about differences

Linq find differences in two lists

as seen on Stack Overflow - Search for 'Stack Overflow'
I have two list of members like this: Before: Peter, Ken, Julia, Tom After: Peter, Robert, Julia, Tom As you can see, Ken is is out and Robert is in. What I want is to detect the changes. I want a list of what has changed in both lists. How can linq help me? >>> More
Does "diff" exist for images?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
You can compare two text files very easy with diff and even better with meld: If you use diff for images, you get an example like this: $ diff zivi-besch.tif zivildienst.tif Binary files zivi-besch.tif and zivildienst.tif differ Here is an example: Original from http://commons.wikimedia.org/wiki/File:Tux… >>> More
Technically speaking, what is different about Ubuntu compared to other Linux distributions?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
This is a question that's puzzled me for quite a while (and refers to the differences between all distributions). In my mind, a distribution is: a pre-configured OS, with some pre-installed packages, some created by the distribution's community that are unique to that distribution (e.g. apt-get)… >>> More
How to count differences between two files on linux?

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi all, I need to work with large files and must find differences between two. And I don't need the different bits, but the number of differences. For the differ rows I come up with diff --suppress-common-lines --speed-large-files -y File1 File2 | wc -l And it works, but is there a better way… >>> More
4 Important Differences Between SEO and SEM

as seen on Ezine Articles - Search for 'Ezine Articles'
If you are a new-fangled to the Internet marketing, you possibly will have a number of questions concerning the differences between SEO & SEM. Well, these interior marketing subjects are really in fact very different. >>> More