Long data type(长数据型) Long data type(长数据型) 4位整型数,取值范围:-2,147,483,648~2,147,483,647。“&”定义符在Visual Basic中代表一个长数据。
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So might have been seen long and that might be correct on some servers, but very, very often the data type called "long" is actually 4 bytes.
你们有可能看到过long,那个在一些服务器上是正确的,但是非常,非常普遍的是,那个叫做“long“的数据类型,只占有4个字节。
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