2024 C# foreach multiple lists

C# foreach multiple lists

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WebJun 24, 2024 · 3. The simplest solution I can think of. var interleavingMergedLists = list1 .Zip (list2, (lhs, rhs) => new [] {lhs, rhs}) .SelectMany (l => l) .ToList (); Rather than creating a new anonymous object / ValueTuple instead create an array. Then you can flatten that array with the SelectMany. And finally you can materialize your query with ToList ... WebMay 13, 2016 · 15 апреля 202429 900 ₽Бруноям. Офлайн-курс JavaScript-разработчик. 15 апреля 202429 900 ₽Бруноям. Офлайн-курс по контекстной рекламе. 15 апреля 202424 900 ₽Бруноям. Офлайн-курс Adobe Photoshop. 15 апреля 202411 400 ₽Бруноям ...

c# - using foreach to iterate simultaneously through …

WebMar 3, 2016 · Using Linq instead of multiple foreach loops. A project I'm working on often has lists within lists within lists etc. The original author often uses complicated linq expressions, but when adapting them I mostly get hopelessly bogged down and resort to foreach's which makes me feel like a lesser being (joke). how old was shields in blue lagoon

c# - Assign multiple values using linq - Stack Overflow

WebMar 13, 2016 · public static IEnumerable Cartesian (this IEnumerable items) { var slots = items // initialize enumerators .Select (x => x.GetEnumerator ()) // get only those that could start in case there is an empty collection .Where (x => x.MoveNext ()) .ToArray (); while (true) { // yield current values yield return slots.Select (x => x.Current); // increase … WebSep 3, 2008 · static SortedDictionary.KeyCollection FindCommon (List> items) { SortedDictionary current_common = new SortedDictionary (), common = new SortedDictionary (); foreach (List list in items) { if (current_common.Count == 0) { foreach (T item in list) { common [item] = true; } } else { foreach (T item in list) { if … WebSep 18, 2013 · 6 Answers Sorted by: 345 foreach: foreach (var money in myMoney) { Console.WriteLine ("Amount is {0} and type is {1}", money.amount, money.type); } MSDN Link Alternatively, because it is a List .. which implements an indexer method [], you can use a normal for loop as well.. although its less readble (IMO): how old was shel silverstein when he died

c# - How can I deal with multiple foreach loops when I

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WebNov 20, 2009 · Enumerable magic (List> lists) { foreach (List list in lists) { foreach (T item in list) { yield return item; } } } Then you just do: List> integers = ...; foreach (int i in magic (integers)) { ... } Also, I think PowerCollections will have something for that out of the box. Share Improve this answer Follow WebDec 15, 2011 · Edit - Iterating whilst positioning at the same index in both collections. If the requirement is to move through both collections in a 'synchronized' fashion, i.e. to use the 1st element of the first collection with the 1st element of the second collection, then 2nd with 2nd, and so on, without needing to perform any side effecting code, then see @sll's … how old was shelley long in cheersWebThe switch is a keyword in the C# language, and by using this switch keyword we can create selection statements with multiple blocks. And the Multiple blocks can be constructed by using the case keyword. Switch case statements in C# are a substitute for long if else statements that compare a variable or expression to several values. merino wool sweater made in usa

"WebDec 22, 2015 · foreach (var tuple in list1.Zip (list2, (first, second) => new { object1 = first, object2 = second }) .Zip (list3, (first, second) => new { object1 = first.object1, object2 = first.object2, object3 = second })) { //do stuff } This works fine and is quite readable, unless the number of lists is not big. " - C# foreach multiple lists

C# foreach multiple lists

syntax - foreach over multiple lists at once - Software …

WebAug 9, 2014 · Add a comment. 1. Looks dirty but if asked (just via select), I'll do it this way. var users = from u in context.Users where u.Name == "George" select new User () { prop1 = u.prop1, prop2 = u.prop2, prop3 = true // update like here }; if you wish to use some other C# function, you can also use linq functions and work on IEnumerable type of lists. WebBack to: C#.NET Tutorials For Beginners and Professionals Parallel Foreach Loop in C#. In this article, I am going to discuss the Parallel Foreach Loop in C# with Examples. As we already discussed in our previous article that the Task Parallel Library (TPL) provides two methods (i.e. Parallel.For and Parallel.Foreach) which are conceptually the “for” and “for …

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WebYou can do what foreach does under the hood, but with two enumerators: using (var e1 = list1.GetEnumerator ()) using (var e2 = list2.GetEnumerator ()) { while (e1.MoveNext () && e2.MoveNext ()) { var item1 = e1.Current; var item2 = e2.Current; // use item1 and item2 } } WebMay 15, 2015 · C# FOREACH on multiple LIST<> types. 4. List of Objects with int property compared to List of Int. 0. Multiple foreach loops in razor. Hot Network Questions "Communism in the Soviet Union, China, etc., wasn't real communism" - is that true?

WebJun 28, 2024 · With this expression we can update one value in multiple items of a list: listOfCompany.Where(c=> c.id == 1).ToList().ForEach(cc => cc.Name = "Whatever Name"); Is it possible to update more than one value? Is this more efficient that implementing a foreach structure and set the multiple values in it? Web2 days ago · I am having trouble figuring out how to add multiple predicates to a linq Where clause. I have a ParsePredicateOf>(item2) that takes a JsonElement. I returns a Func, bool> …

WebExample 1 – C# List.ForEach () List.ForEach () function accepts an Action and executes for each element in the list. In the following program, we have a list with three numbers. We shall execute a delegate function, which gets the list element as argument, and executes the set of statements in its body, for the list element. Web44. Highly recommend something more like this: public class Person { public string Name {get; set;} public string Email {get; set;} } var people = new List (); Easier to read, easy to code. Share. Improve this answer. Follow. answered Aug 3, 2009 at 12:49.

WebMar 7, 2024 · The collection you created uses the List type. This type stores sequences of elements. You specify the type of the elements between the angle brackets. One important aspect of this List type is that it can grow or shrink, enabling you to add or remove elements. Add this code at the end of your program:

WebIn C#, you can transform multiple collections into one collection of tuples, then use a foreach. There is no specific language syntax, but .NET Framework still allows you to do it. In SQL, you can use join. I'm not sure if the "languages" you're looking for extend to SQL. Note that in all cases, there is an ambiguity with your simple. how old was sherman hemsleyWebApr 14, 2024 · The following steps must be followed to use multiple GET APIs in a single MVC view. Step 1. The initial step is to create a model to store the information collected from the APIs. AclassThe Model's properties must align with the information the APIs have returned. A new or existing class can be created to represent this Model. merino wool sweater wrinkle redditWebYou can use the await keyword in conjunction with the Task.WhenAll() method to asynchronously wait for all tasks in a collection to complete. Here's an example of how to use await with Task.WhenAll() in conjunction with IEnumerable.ForEach():. csharpvar tasks = new List(); // iterate over the items using LINQ and add a task for each … how old was sherman hemsley on the jeffersonsWebvar nameList = new List(); foreach (user in users) {nameList.Add(user.Name);} return nameList; With a LINQ query, you can extremely shorten the required code to this: return users.Select(u => u.Name).ToList(); Once you understand and can utilize LINQ queries, I guarantee you, that your code will gain much more readability. how old was shigeru miyamoto when he diedWebThe foreach take the item in the listm (10$) and insert it in the equation. fibo2 = (10 - 6 )/ (8 - 6) fibo2 = 2 fibo2 is process in the rest of the code which is too long to be copy/paste here. At the end of the code nearclose return a number, lets say 9$. merino wool sweater redditWebJun 23, 2024 · foreach (var item in numbers.Zip (words)) Console.WriteLine ($" {item.First}, {item.Second}"); The other overload (which appeared earlier than Core 3.0) takes a mapping function, giving you more control over the result. This example returns a sequence of strings, but you could return a sequence of whatever (e.g. some custom class). merino wool sweater jacket for womenWebApr 14, 2024 · string[] fruits = input.Split(delimiterChars, 3); foreach (string fruit in fruits) {. Console.WriteLine(fruit); } } } We use the Split method to split a string into an array of substrings based on an array of delimiter characters. We limit the number of substrings returned to 3 and output each element to the console. merino wool sweaters static