linq-to-objects

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VB.NET (or C#) creating a Dictionary from an existing List without looping

I don\'t know if this is doable, maybe with Linq, but I have a List(Of MyType): Public Class MyType Property key As Char[详细]

2023-04-01 05:31 分类：问答
How do i convert following query with lambda operator

var a = from u in Users group u by new {u.UserName,u.Address,u.City,u.State} into abc select ne开发者_Go百科w[详细]

2023-03-31 22:12 分类：问答
Does Enumerable.Where in LINQ-to-objects preserve order? [duplicate]

This question already has answers here: Preserving order with LINQ (7 answers) Closed 9 years ago. var source = new List<string> { \"A1\", \"A2\", \"B1\", \"B2\" };[详细]

2023-03-31 20:35 分类：问答
Linq to Sql Not giving proper data

This is very simple linq and I am just beginning with it. I have traced the problem down to one of 3 sources but am not sure how to fix it. So here is the code, and I will explain the problem below it[详细]

2023-03-31 14:07 分类：问答
linq to entities vs linq to objects - are they the same?

I usually use the term entity to represent a business data object and in my mind, the linq to entiti开发者_如何学Ces and linq to objects were the same. Is that not correct?That is definitely not the c[详细]

2023-03-31 05:53 分类：问答
linq to extract specific subset

Given a directory of files (as a FileInfo array) how would I go about extracting all the filenames that have a corresponding filename with a specific extension.[详细]

2023-03-31 05:38 分类：问答
Does the .Net Framework implementation of Linq optimize Skip for indexable types?

Here\'s an example: static int Main(string[] args) { foreach(string arg in args.Skip(77)) { Console.WriteLine(arg);[详细]

2023-03-30 17:21 分类：问答
Need help resolving a performance issue that I'm running into with a Linq-to-Objects query?

I have a collection of 77 SPListItem objects.These objects can have an implied recursive reference* to other objects. There are currently 4 levels in this hierarchy.[详细]

2023-03-30 15:07 分类：问答
Problem merging IEnumerable<T> using Lambda expressions

I have 2 IEnumerables which are of type \'Product\' - totalProducts and ProductsChosen. As the names suggest totalProducts holds all the products available and ProductsChosen holds the products chosen[详细]

2023-03-30 07:47 分类：问答
Does anyone have a video covering Linq-to-Objects in detail? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-03-29 19:33 分类：问答