中国驻菲律宾使馆微信公众号消息，3月5日，驻菲律宾使馆就当日菲方船只非法侵闯仁爱礁向菲外交部提出严正交涉，表达强烈抗议。我方指出，菲方有关船只未经中国政府允许，擅自闯入中国南沙群岛仁爱礁邻近海域，企图向
When we define our interfaces in C# 4.0, we are allowed to mark each of the generic parameters as in or out. If we try to set a generic parameter as out and that\'d lead to a problem, the compiler rai
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