的阵列计数我有格式的阵列如下面 [
{
"xyz" : [Array with different values];
... many more keys
},
{
.. same as above dictionary
}
... many more dictionaries
]
这里看到,我有字典,
我试图在NSPredicate中使用IN子句。我收到以下错误: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSTaggedPointerString countByEnumeratingWithState:objects:count:]: unrecognized s
我有一个像下面两型: class Topic : NSObject {
var subTopics : [SubTopic]!
var topicId : Int!
var topicName : String!
class SubTopic : NSObject {
var subTopicDesc : String!
var subT