C# remove item from list while iterating

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WebMar 13, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. WebYou can convert a data reader to dynamic query results in C# by using the ExpandoObject class to create a dynamic object and the IDataRecord interface to read the column values from the data reader. Here's an example: csharppublic static List GetDynamicResults(SqlDataReader reader) { var results = new List(); while …

Remove item from List while iterating – C# • codemaggot

WebRemove item from List while iterating – C#. Removing elements from List<> while iterating over the List, someone may simply try: foreach(char c in list) { list.Remove(c); … WebAug 17, 2009 · You can use store in hashtable the ones that should be removed, then to remove them: Code Snippet Hashtable toRemove = new Hashtable (); bool FOUND; foreach (Equipment tmpEQ in equipments) if (!toRemove.Contains (tmpEQ)) { FOUND = false; foreach (DataRow dr in EQTable.Rows) if (dr ["EQUIPMENT"].ToString () == … life foam super waky

How to Insert or Delete Elements to Collection During Iteration …

WebWe could do the following method to get our result: We can iterate the List in a backward direction and remove elements according to our criterion. for(int i=list.Count - 1; i > -1; i--) { if(list [i]=='a') { list.RemoveAt(i); } } In this way, the List will not reposition the elements we haven’t iterated yet. Hence we get our desired results. WebFeb 17, 2016 · IEnumerator EnemyTurn () { foreach ( GameObject enemy in enemylist) { enemyAttacking = enemy; Debug.Log("EnemyTurn"); EnemyScript attackscript = enemy.GetComponent< EnemyScript >(); attackscript.TurnChosen(); while ( attackscript.attacking) { yield return null; } } for (int n = enemylist.Count - 1; n >= 0; n --) { … WebThis article explores different ways to remove elements from a mutable list in Kotlin that satisfies the given predicate while iterating over it using a loop or an iterator. It is not recommended adding or removing elements from a list within a loop as an index of its elements, and its length is changed. life foam rome ga

Removing items in a list while iterating through it

PYTHON : How to remove items from a list while iterating?

WebYou could try ChrisF's reverse iteration method to remove your item. You could also simply: List.Remove("One"); Or: List.RemoveAll(i => i == "One"); // removes all instances And be done with it. There's really no point in iterating over the collection to remove a single … WebOct 16, 2009 · The best way to remove items from a list while iterating over it is to use RemoveAll(). But the main concern written by people is that they have to do some … life focus alpharetta gaWeb2 days ago · How to remove items from a list while iterating? ... characters in a string while using .format (or an f-string)? 0 C# EmbedIO server: Only the first request is working trying to live stream from FFMPEG. Load 6 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? ... life foam mattress

"WebFeb 28, 2015 · As an example, consider the below simple code snippet where I create a List of names and iterate it through and try to remove all names that starts with an ‘A’: List someNames = new List (); someNames.Add ("Bill"); someNames.Add ("Mike"); someNames.Add ("Alice"); someNames.Add ("Trevor"); … " - C# remove item from list while iterating

C# remove item from list while iterating

Iterate over Collection while removing elements from it

WebI can't seem to figure out the issue here. Check KillOldSpikes() the last function in the code. (Line 225) Code: using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; public class GameController : MonoBehaviour { public static GameController instance = null; const float width = 3.7f; WebDec 13, 2024 · In the code above, FirstName.RemoveAt (1) removes the item at index 1. It is necessary to know that the RemoveAt () method takes a zero-based index number …

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WebApr 13, 2024 · C# : How to modify or delete items from an enumerable collection while iterating through it in C#To Access My Live Chat Page, On Google, Search for "hows tec... WebAug 24, 2007 · ArrayList list = new ArrayList (); for ( int i = 0; i < 10; i++) { list.Add (i); } for ( int i = 0; i < list.Count; i++) { if (list [i].ToString ().Equals ( "3" )) { list.RemoveAt (i); i--; } } foreach ( object var in list) { MessageBox .Show (var.ToString ()); } Hope it gives you some ideas! Friday, August 24, 2007 8:58 AM 0 Sign in to vote

WebSep 27, 2014 · List removed = new ArrayList<> (); nums.removeIf ( (Integer i)-> { boolean remove = i<3; if (remove) { removed.add (i); } return remove; }); Share Improve … WebOct 27, 2007 · Removing items in a list while iterating through it Archived Forums V > Visual C# Language Question 0 Sign in to vote In this code, I get a …

WebFeb 12, 2009 · elems = ['a','b','c'] i = 0 while i < len (elems): e = elems [i] print e elems.remove (e) i += 1 This has the same result. Now it’s clear that what’s happening: when you remove the 'a' from elems, the remaining elements slide down the list. The list is now ['b', 'c']. Now 'b' is at index 0, and 'c' is at index 1. WebSep 15, 2024 · // If the value is unable to be removed, you can handle that by using the return // boolean value from the .TryRemove function. static void TryRemoveCity() { Console.WriteLine ($"Total cities = {Cities.Count}"); var searchKey = "Milwaukee"; if (Cities.TryRemove (searchKey, out CityInfo retrievedValue)) { Console.Write ($"Most …

WebPYTHON : How to remove items from a list while iterating?To Access My Live Chat Page, On Google, Search for "hows tech developer connect"Here's a secret feat...

WebIn this example, we handle the PreviewKeyDown event and check if the Delete key was pressed. If the Delete key was pressed, we cast the sender to a DataGrid object and get the selected items using the SelectedItems property. We then loop through the selected items and remove each one from the DataGrid's ItemsSource collection using the Remove ... lifefocus ewrapWebJul 6, 2024 · The below code demonstrates how to remove a key from the dictionary while iterating over it using Python 3. yourdict = { "one": 1, "two": 2, "three": 3, "four": 4, } for k in list (yourdict.keys ()): if k == "four": del yourdict [k] yourdict life foam matress toppeeWebSummary: To remove items from a list while iterating, use any of the following methods. List comprehension, Reverse iteration with the remove () method, Lambda Function with the filter () method, or While loop with … mcpherson college mission statementWebMay 23, 2013 · If your ICacheItem can have value semantics then you can just use the approach above to do something similar to this: foreach (var p in collection) { if (p.Value.Expired ()) { if (!collection.TryRemove (p)) { log.Debug ("Did not remove item because it was changed."); } } } mcpherson college campus mapWebYou have to increment the iterator first (with i++) and then remove the previous element (e.g., by using the returned value from i++). You can change the code to a while loop like so: mcpherson college music departmentWebMethod 1. Remove items from a list in for loop in C#. Need set the conditions from max to min in for loop to iterate from end to start in a list. List list = new List (Enumerable.Range (1, 10)); for (int i = list.Count - 1; i >= 0; i--) { list.RemoveAt (i); } Console.WriteLine (string.Join (", ", list)); life focus incWebJul 13, 2024 · Using RemoveAll to Remove Elements From a Generic List We can also use the built-in RemoveAll method with a predicate instead of using a loop. This is a simple, … life focus center inc