摘要:
Arrays in Swift are value types. That means thatdatais copied when passed into yourexchangemethod, but you are trying to modify the copy to affect the... 阅读全文
摘要:
可以通过show variables like 'character%' 来输出当前字符编码情况可得到如下结果mysql> show variables like 'character%';+--------------------------+---------------------------------------------------------+| Variable_name | Value |+--------------------------+-----... 阅读全文