¡@
c# Programming Glossary: selectorWriting driver class generic for any database support http://stackoverflow.com/questions/13133804/writing-driver-class-generic-for-any-database-support query Action IDbCommand parameterizer Func IDataRecord T selector int Add string query Action IDbCommand parameterizer int Save.. Func IDbCommand IEnumerable R actor Func R S selector using var conn new T using var cmd conn.CreateCommand if.. foreach var item in actor cmd yield return selector item public IEnumerable S Get S string query Action IDbCommand..
Enumerating Collections that are not inherently IEnumerable? http://stackoverflow.com/questions/1815497/enumerating-collections-that-are-not-inherently-ienumerable T this IEnumerable collection Func T IEnumerable selector foreach var item in collection.OfType T yield return item.. T yield return item IEnumerable T children selector item .GetRecursively selector foreach var child in children.. item IEnumerable T children selector item .GetRecursively selector foreach var child in children yield return child Here's..
http://stackoverflow.com/questions/204505/preserving-order-with-linq elements of inner. SelectMany for each element of source selector is invoked and a sequence of values is returned. Union When..
What guarantees are there on the run-time complexity (Big-O) of LINQ methods? http://stackoverflow.com/questions/2799427/what-guarantees-are-there-on-the-run-time-complexity-big-o-of-linq-methods Further let's assume that any Func passed in as a selector mutator etc. is a cheap O 1 operation. It seems obvious that..
How to get the PropertyInfo of a specific property? http://stackoverflow.com/questions/491429/how-to-get-the-propertyinfo-of-a-specific-property PropertyInfo GetProperty TValue Expression Func T TValue selector Expression body selector if body is LambdaExpression body.. TValue Expression Func T TValue selector Expression body selector if body is LambdaExpression body LambdaExpression body .Body..
LINQ Expression to return Property value? http://stackoverflow.com/questions/567963/linq-expression-to-return-property-value TValue this IQueryable T source Expression Func T TValue selector int blockSize IEnumerable TValue values MethodInfo method.. typeof T row var member Expression.Invoke selector row var keys Expression.Constant block typeof TValue var predicate..
Compare nullable types in Linq to Sql http://stackoverflow.com/questions/586097/compare-nullable-types-in-linq-to-sql T TValue this IQueryable T source Expression Func T TValue selector TValue value where TValue struct var param Expression.Parameter.. typeof T x var member Expression.Invoke selector param var body Expression.Equal member Expression.Constant..
How to create LINQ Expression Tree with anonymous type in it http://stackoverflow.com/questions/606104/how-to-create-linq-expression-tree-with-anonymous-type-in-it sourceProperties p.Name .OfType MemberBinding Expression selector Expression.Lambda Expression.MemberInit Expression.New dynamicType.GetConstructor.. source.ElementType dynamicType Expression.Constant source selector public static class LinqRuntimeTypeBuilder private static readonly..
|