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c# Programming Glossary: predicateswitch / pattern matching idea http://stackoverflow.com/questions/156467/switch-pattern-matching-idea for the bound variable giving member access etc match by predicate combinations of the above and possibly some other scenarios..
How to remove elements from a generic list while iterating over it? http://stackoverflow.com/questions/1582285/how-to-remove-elements-from-a-generic-list-while-iterating-over-it i Alternately you can use the RemoveAll method with a predicate to test against safePendingList.RemoveAll item item.Value someValue..
Mutating the expression tree of a predicate to target another type http://stackoverflow.com/questions/2797261/mutating-the-expression-tree-of-a-predicate-to-target-another-type the expression tree of a predicate to target another type Intro In the application I 'm currently.. IEnumerable Widget GetMany Expression Func Widget bool predicate The above is a simple general use get method with custom predicate... The above is a simple general use get method with custom predicate. The only point of interest is that I am passing in an expression..
linq to entities case sensitive comparison http://stackoverflow.com/questions/3843060/linq-to-entities-case-sensitive-comparison into account.So no matter what case you put in your predicate it will always treat as the same by your SQL Server unless you..
http://stackoverflow.com/questions/418609/how-to-do-subquery-in-linq like this if string.IsNullOrEmpty TextBoxLastName.Text predicateAnd predicateAnd.And c c.LastName.Contains TextBoxLastName.Text.Trim.. if string.IsNullOrEmpty TextBoxLastName.Text predicateAnd predicateAnd.And c c.LastName.Contains TextBoxLastName.Text.Trim e.Result.. TextBoxLastName.Text.Trim e.Result context.Users.Where predicateAnd I'm trying to add a predicate for a subselect in another..
LINQ Expression to return Property value? http://stackoverflow.com/questions/567963/linq-expression-to-return-property-value return results I have seen plenty of examples of building predicates using expressions. In this case I only want to execute the.. row var keys Expression.Constant block typeof TValue var predicate Expression.Call method keys member var lambda Expression.Lambda.. keys member var lambda Expression.Lambda Func T bool predicate row foreach T record in source.Where lambda yield return record..
Compare nullable types in Linq to Sql http://stackoverflow.com/questions/586097/compare-nullable-types-in-linq-to-sql the top form with nulls i.e. Expression Func Category bool predicate if categoryId null predicate c c.ParentId null else predicate.. Expression Func Category bool predicate if categoryId null predicate c c.ParentId null else predicate c c.ParentId categoryId var.. if categoryId null predicate c c.ParentId null else predicate c c.ParentId categoryId var subCategories this.Repository.Categories..
How to convert a String to its equivalent Expression Tree? http://stackoverflow.com/questions/821365/how-to-convert-a-string-to-its-equivalent-expression-tree to dynamically create the Func Person bool Evaluate the predicate against an instance of Person as required My question is have.. is TRUE. Many thanks to Marc Gravell. c# lambda antlr dsl predicate share improve this question Would the dynamic linq library..
WPF ICommand MVVM implementation http://stackoverflow.com/questions/1468791/wpf-icommand-mvvm-implementation me. public class RelayCommand ICommand public RelayCommand Predicate object canExecute Action object execute ... I think you can..
C# Lambda expression, why should I use this? http://stackoverflow.com/questions/167343/c-sharp-lambda-expression-why-should-i-use-this a lambda instead of an anonymous delegate void Example Predicate int aDelegate called like Example x x 5 becomes void Example.. called like Example x x 5 becomes void Example Expression Predicate int expressionTree The latter will get passed a representation..
How can I return the current action in an ASP.NET MVC view? http://stackoverflow.com/questions/362514/how-can-i-return-the-current-action-in-an-asp-net-mvc-view
http://stackoverflow.com/questions/4317479/func-vs-action-vs-predicate vs. Action vs. Predicate With real examples and their use can someone please help me.. delegate When do we need Action delegate When do we need Predicates delegate c# delegates share improve this question The.. like Control.BeginInvoke and Dispatcher.BeginInvoke . Predicate is just a special cased Func T bool really introduced before..
Why can't an anonymous method be assigned to var? http://stackoverflow.com/questions/4965576/why-cant-an-anonymous-method-be-assigned-to-var about Func that it deserves to be the default instead of Predicate or Action or any other possibility And for lambdas why is it..
http://stackoverflow.com/questions/556425/predicate-delegates-in-c-sharp Delegates in C# Can you explain me What is Predicate Delegate.. Delegates in C# Can you explain me What is Predicate Delegate Where should we use predicates Any best practices about.. is a reference to a function that returns true or false . Predicates are very useful for filtering a list of values here is an example...
Optional delegates in C# [duplicate] http://stackoverflow.com/questions/6503934/optional-delegates-in-c-sharp 0 public static IEnumerable int Even this List int numbers Predicate int predicate return numbers.Where num num 2 0 predicate num.. public static IEnumerable int Even this List int numbers Predicate in predicate alwaysTrue return numbers.Where num num 2 0 predicate.. of null slightly you could use private static readonly Predicate int AlwaysTrue ignored true public static List int Even this..
Linq to objects Predicate Builder http://stackoverflow.com/questions/7094930/linq-to-objects-predicate-builder to objects Predicate Builder What is the best way to do a conditional query using.. linq to objects not linq to sql . Currently I am using the Predicate builder found here http www.albahari.com nutshell predicatebuilder.aspx.. to objects share improve this question Just change PredicateBuilder to use delegates instead of expression trees and use..
How to convert a String to its equivalent Expression Tree? http://stackoverflow.com/questions/821365/how-to-convert-a-string-to-its-equivalent-expression-tree AST from a provided string. Walk the AST and use the Predicate Builder framework to dynamically create the Func Person bool..
Linq .Any VS .Exists - Whats the difference? http://stackoverflow.com/questions/879391/linq-any-vs-exists-whats-the-difference since .NET 2.0 so before LINQ. Meant to be used with the Predicate delegate but lambda expressions are backward compatible. Also..
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