(string item in scoreQuery) { Console.WriteLine(item); } Console.WriteLine("{0} total names in list", scoreQuery.Count()); /* Output: Merge two spreadsheets: Omelchenko, 97, 92, 81, 60 O'Donnell, 75, 84, 91, 39 Mortensen, 88, 94, 65, 91 Garcia, 97, 89, 85, 82 ...
List<People> lists = list.FindAll( delegate(People p) { return p.Sex == "女"; }); //排序(根据类型) lists.Sort( delegate(People p1, People p2) { return p1.Name.CompareTo(p2.Name); }); foreach (People item in lists) { this.txt.Text += item.Name + "~" + item.Age + "...
("The two folders are not the same"); }// Find the common files. It produces a sequence and doesn't// execute until the foreach statement.varqueryCommonFiles = list1.Intersect(list2, myFileCompare);if(queryCommonFiles.Any()) { Console.WriteLine($"The following files are in both ...
我有一个有3 x 3个不同对象的列表(这里命名为item),所以总共有9个对象,已经按价格排序了。每个对象都包装在另一个对象(TradingItem)中。这是一个用于演示的简单代码片段(此列表是如何制作的): foreach (var item in market.Inventory.Where(i => i.Price.HasValue).OrderBy3个TradingItem对象的新...
(uniqueNamesQuery,"Union removes duplicate names:");// Find the names that occur in both files (based on// default string comparer).varcommonNamesQuery = fileA.Intersect(fileB); OutputQueryResults(commonNamesQuery,"Merge based on intersect:");// Find the matching fields...
List<TestItem> takewhile = lst1.TakeWhile(x => x.number ==3).ToList(); //key必须唯一 //Dictionary<int,TestItem> toDic= lst1.ToDictionary(x => x.number); //Ilookup:IEnumerable<TElement> this[TKey key] { get; } 所以可以有重key ...
staticvoidMain(string[]args){List<int>list=newList<int>();list.AddRange(newint[]{6,66,1,2,3,45});Predicate<int>pre=newPredicate<int>(IsNumber);varres=list.FindAll(pre);;foreach(variteminres){Console.WriteLine(item);}Console.ReadKey();}staticboolIsNumber(int i){returni%2==0;} ...
Find the names that occur in both files. Dim commonNamesQuery = fileA.Intersect(fileB) OutputQueryResults(commonNamesQuery, "Merge based on intersect: ") ' New query in three steps for better readability ' First filter each list separately Dim nameToSearch A...
num;// Query #2.IEnumerable<int> orderingQuery =fromnuminnumberswherenumis<3or>7orderbynumascendingselectnum;// Query #3.string[] groupingQuery = ["carrots","cabbage","broccoli","beans","barley"]; IEnumerable<IGrouping<char,string>> queryFoodGroups =fromitemingroupingQuerygroupitembyitem[0...
// Find the names that occur in both files (based on// default string comparer).IEnumerable<string> commonNamesQuery = fileA.Intersect(fileB); OutputQueryResults(commonNamesQuery,"Merge based on intersect:");// Find the matching fields in each list. Merge the two// results by using ...