程序每次向容器Dictionary中插入数据时,都会判断Key值是否已经存在,如果不存在,则插入.否则抛出异常.那么Dictionary又是如何判断Key值是否存在的呢? 请看下面的代码: class Program { static void Main(string[] args) { var dic = new Dictionary<Person, int>(); dic.Add(new Perso
var resultJSON = '{"FirstName":"John","LastName":"Doe","Email":"johndoe@johndoe.com","Phone":"123 dead drive"}'; var result = $.parseJSON(resultJSON); $.each(result, function(