02 2021 档案
摘要：字符 → ASCII 码：StringValue.charCodeAt() ASCII 码 → 字符：String.fromCharCode(asciiValue) 转自:https://www.jianshu.com/p/24966e1205f9
阅读全文
摘要：var d0 = Math.Round((0.4), MidpointRounding.AwayFromZero); //0 var d1 = Math.Round((0.45), MidpointRounding.AwayFromZero); // 0 var d2 = Math.Round((0
阅读全文
摘要：--清除存储过程缓存 DBCC FREEPROCCACHE --清除会话缓存 DBCC FREESESSIONCACHE --清除系统缓存 DBCC FREESYSTEMCACHE('All') --清除所有缓存 DBCC DROPCLEANBUFFERS GO 转自: https://blog.c
阅读全文
摘要：static void Main() { Random r = new Random(); DataTable dt = new DataTable(); dt.Columns.Add("Id", typeof(string)); for (int i = 0; i < 10; i++) { Dat
阅读全文
