如何解決這個問題? protocol Mappable {
...
}
class Foo {
item:AnyObject
}
class SomeClass<T:Mappable> {
var someObject = Foo()
var items:[T]
...
func someFunction() {
so
誰能幫我弄清楚爲什麼這個代碼錯誤是「下標超出範圍」。 (運行時錯誤9) Dim arrayU() As Variant
Dim arrayX() As Variant
Dim arrayW() As Variant
Dim LrowU As Integer
Dim LrowX As Integer
Dim LrowW As Integer
Dim i As Integer
Dim j
這應該是超級基本的,但是我得到一個錯誤。 Cannot subscript a value of type 'Dictionary<String, AnyObject>' with an index of type 'String' 這裏是我的代碼: func createComments(attributes: [[String: AnyObject]], votes: [String: Any
我已經瀏覽了stackoverflow中的類似主題,但這些解決方案似乎都不適用於我。 我有一個通過youtube API獲取視頻的應用程序。以下代碼給出錯誤。 var arrayOfVideos = [Video]()
// I am getting the error for the following line and it says "Ambiguous use of 'subscrip