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2. .net - Creating a List of Lists in C# - Stack Overflow

   stackoverflow.com/questions/12628222

   A list of lists would essentially represent a tree structure, where each branch would constitute the same type as its parent, and its leaf nodes would represent values. Implementation. public List<T> Values { get; } = new List<T>(); public TreeList<T> this[int index] get. while (index > Count - 1) Branch();

3. Quick way to create a list of values in C#? - Stack Overflow

   stackoverflow.com/questions/723211

   If you want to create a typed list with values, here's the syntax. Assuming a class of Student like. public class Student { public int StudentID { get; set; } public string StudentName { get; set; } }

4. c# - Is it possible to deserialize XML into List<T>? - Stack...

   stackoverflow.com/questions/608110

   Yes, you can deserialize into List<User> or User[] with the XmlSerializer. I would prefer List<User> over User[]. Note that XmlSerializer does not support deserialization into interfaces, so you cannot deserialize into ICollection<T>, IReadOnlyCollection<T> or IList<T> as this will fail with a NotSupportedException.

5. c# - When to use IList and when to use List - Stack Overflow

   stackoverflow.com/questions/17170

   IList is for when you want to create your own, special sub-class that implements List. Another difference is: IList is an Interface and cannot be instantiated. List is a class and can be instantiated. It means: IList<string> list1 = new IList<string>(); // this is wrong, and won't compile.

6. Most efficient way to find if a value exists within a C# List

   stackoverflow.com/questions/16059391

   Store them as two ints: int falseCount; int trueCount;. Contains-testing is as simple as: trueCount > 0. Assuming that you need the list, use List.Contains as it directly searches the underlying array. It would be even faster to extract the underlying array using reflection and search it in a hard-coded comparison loop.

7. Where clause in Linq in List c# - Stack Overflow

   stackoverflow.com/questions/33784904

   Just put the Where before the Select: var list=testList.Where(f=>f.Family=="").Select(n=>n.Name); In Linq you need to apply the filter before projecting (unless the filter applies to the results of the projection rather than the original collection). answered Nov 18, 2015 at 16:10.

8. c# - How can I loop through a List<T> and grab each item ... -...

   stackoverflow.com/questions/18863187

   Another word of warning, if you have a big list, (by big I mean over 100,000 items) myMoney.Count start to take a while as it has to traverse the list to perform the Count, and in the for examples above the myMoney.Count is counted every time around the loop.

9. c# - How can I find a specific element in a List<T>? - Stack...

   stackoverflow.com/questions/9854917

   List<MyClass> list = new List<MyClass>(); Using the Add method, another instance of MyClass is added to the list. MyClass provides, among others, the following methods:

10. c# - Getting a list item by index - Stack Overflow

    stackoverflow.com/questions/15456845

    Starting with C# 8.0 you can use Index and Range classes for accessing elements. They provides accessing from the end of sequence or just access a specific part of sequence: var lastElement = myList[^1]; // Using Index. var fiveElements = myList[2..7]; // Using Range, note that 7 is exclusive. You can combine indexes and ranges together:

11. Creating a list within a list C# - Stack Overflow

    stackoverflow.com/questions/8466238

    1. This is perfectly possible: static public void DoSomething (List<List<int>> Allnums) {. //My calculations. } Notice that there is no reason to return a List; the argument points to the original list of lists. You'd have to put all the lists in a list first though: List<List<int>> allLists = new List<List<int>>();