query: Invalid variance: The type parameter 'T' must be contravariantly valid on 'UserQuery.IItem.ItemList'. 'T' is covariant
positive_passages.docid: 150041
positive_passages.text: T must be contravariantly valid
negative_passages.docid: 69072
negative_passages.text: Using LINQ to find item in a List but get "Value cannot be null. Parameter name: source"
negative_passages.docid: 146206
negative_passages.text: How would contravariance be used in Java generics?
negative_passages.docid: 31388
negative_passages.text: Why are arrays covariant but generics are invariant?
negative_passages.docid: 67068
negative_passages.text: Why is T bounded by Object in the Collections.max() signature?
negative_passages.docid: 123087
negative_passages.text: ExecuteScalar(); With scope_identity() Generating "System.InvalidCastException: Specified cast is not valid"
negative_passages.docid: 144840
negative_passages.text: Specific cast is not valid, while retrieving scope_identity
negative_passages.docid: 155969
negative_passages.text: Required Attribute on Generic List Property
negative_passages.docid: 61392
negative_passages.text: The cast to value type 'Int32' failed because the materialized value is null
negative_passages.docid: 6817
negative_passages.text: Type conversion in expression may affect "CardinalityEstimate" in query plan choice?
negative_passages.docid: 86356
negative_passages.text: A private list variable is inadvertently shared between instance objects
negative_passages.docid: 45035
negative_passages.text: error: Illegal modifier for parameter
negative_passages.docid: 2452
negative_passages.text: Dynamic query with LINQ won't work
negative_passages.docid: 124729
negative_passages.text: Reference is ambiguous with generics
negative_passages.docid: 128522
negative_passages.text: Unable to cast object of type 'Windows.UI.Xaml.Controls.ItemsControl' to type 'Windows.UI.Xaml.Controls.Image'
negative_passages.docid: 72307
negative_passages.text: How to apply bindValue method in LIMIT clause?
negative_passages.docid: 29936
negative_passages.text: ListException: List index out of bounds: 0 for Custom Employee User account