摘要:
sql: select distinct * into #tmp from tablename drop table tablename select * into tablename from #tmp drop table #tmp 2.用游标进行删除 declare @max integer, 阅读全文
摘要:
public class IPScanner { private byte[] data; Regex regex = new Regex(@"(((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))\.){3}((\d{1,2})|(1\d{2})|(2[0-4]\d) 阅读全文