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公司一个同事面试遇到 的算法题,感觉挺有意思的 class Program { abstract class Cup { protected int MaxVolumn { get; set; } protected int Volumn { get; set; } public int Fill( 阅读全文
摘要:
class Program { static void fnnn() { string[] k = new string[] { "x", "y", "z" }; List<Action> list = new List<Action>(); foreach (string i in k) { li 阅读全文
摘要:
select *,datediff(ss,(select max( CreateTime) from Table1 b where b.id<a.id),a.CreateTime)from Table1 a Table1表有自增长字段Id Table表的CreateTime也是随着Id而增大的 阅读全文