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c# Programming Glossary: list1

Intersection of multiple lists with IEnumerable.Intersect()

http://stackoverflow.com/questions/1674742/intersection-of-multiple-lists-with-ienumerable-intersect

which I want to find the intersection for like this var list1 new List int 1 2 3 var list2 new List int 2 3 4 var list3 new.. list3 new List int 3 4 5 var listOfLists new List List int list1 list2 list3 expected intersection is List int 3 Is there some..

How would you do a “not in” query with Linq?

http://stackoverflow.com/questions/183791/how-would-you-do-a-not-in-query-with-linq

So far I have a join like... var matches from item1 in list1 join item2 in list2 on item1.Email equals item2.Email select.. list2 on item1.Email equals item2.Email select new Email list1.Email But I cannot join since I need the difference and the..

Remove items from one list in another

http://stackoverflow.com/questions/2745544/remove-items-from-one-list-in-another

So lest say I have this as a hypothetical example List car list1 GetTheList List car list2 GetSomeOtherList I want to traverse.. List car list2 GetSomeOtherList I want to traverse list1 with a foreach and remove each item in List1 in List2. I'm not.. share improve this question You can use Except List car list1 GetTheList List car list2 GetSomeOtherList List car result list2.Except..

Compare two List<T> objects for equality, ignoring order

http://stackoverflow.com/questions/3669970/compare-two-listt-objects-for-equality-ignoring-order

order Yet another list comparing question. List MyType list1 List MyType list2 I need to check that they both have the same.. is to sort before comparing Enumerable.SequenceEqual list1.OrderBy t t list2.OrderBy t t Edit Here is a solution that performs.. public static bool ScrambledEquals T IEnumerable T list1 IEnumerable T list2 var cnt new Dictionary T int foreach T s..

How to merge two lists using LINQ?

http://stackoverflow.com/questions/4872943/how-to-merge-two-lists-using-linq

this.ID Name this.Name p.Name I have two List of person list1 1 A 2 B list2 2 C 3 D I want the result like the following result.. TKey TElement class can serve this purpose var personsById list1.Concat list2 .ToLookup person person.ID Anyway to answer the.. person with the provided Merge method var mergedList list1.Concat list2 .GroupBy person person.ID .Select group group.Aggregate..

MSTest: CollectionAssert.AreEquivalent failed. The expected collection contains 1 occurrence(s) of

http://stackoverflow.com/questions/5194966/mstest-collectionassert-areequivalent-failed-the-expected-collection-contains

Code example This is the code which produces the error. list1 and list2 are identical i.e. a copy paste of each other. TestMethod.. of each other. TestMethod public void TestListOfT var list1 new List MyPerson new MyPerson Name A Age 20 new MyPerson.. MyPerson Name B Age 30 CollectionAssert.AreEquivalent list1.ToList list2.ToList public class MyPerson public string Name..

C# Creating an array of arrays

http://stackoverflow.com/questions/549399/c-sharp-creating-an-array-of-arrays

that will be using repeated data something like below int list1 new int 4 1 2 3 4 int list2 new int 4 5 6 7 8 int list3 new.. 1 3 2 1 int list4 new int 4 5 4 3 2 int lists new int 4 4 list1 list2 list3 list4 I can't get it it work and I'm wondering if.. order repeatedly. Something like int lists new int 90 4 list1 list1 list3 list1 list2 and so on for int i 0 i 90 i doStuff..

Comparing Arrays in C#

http://stackoverflow.com/questions/713341/comparing-arrays-in-c-sharp

return false if a1.Length a2.Length return false IList list1 a1 list2 a2 error CS0305 Using the generic type 'System.Collections.Generic.IList.. type arguments for int i 0 i a1.Length i if Object.Equals list1 i list2 i error CS0021 Cannot apply indexing with to an expression..

Merge two object lists with linq

http://stackoverflow.com/questions/720609/merge-two-object-lists-with-linq

Class Person string Name int Value int Change List Person list1 List Person list2 I need to combine the 2 lists into a new List.. in list2 change would be the value of list2 the value of list1. Change is 0 if no duplicate c# linq share improve this question.. Linq extension method Union. For example var mergedList list1.Union list2 .ToList This will return a List in which the two..

How to COUNT rows within EntityFramework without loading contents?

http://stackoverflow.com/questions/890381/how-to-count-rows-within-entityframework-without-loading-contents

in this Truck #if CASE_1 This works fine using 'plist' var list1 from r in plist from c in r.Case from i in c.Item select i if.. r in plist from c in r.Case from i in c.Item select i if list1.Count 0 return No Items are in the Truck #endif #if CASE_2 This..