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来自 https://www.w3school.com.cn/cssref/pr_transition-timing-function.asp css <!DOCTYPE html> <html> <head> <style> .right_head_ul li { display: inline- 阅读全文
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//--创建事务 Create PROC [dbo].[proc_XXXXX] @xxx varchar(50) AS BEGIN BEGIN TRAN BEGIN TRY .....................插入 COMMIT TRAN END TRY BEGIN CATCH SELECT 阅读全文
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Truncate table Menu --truncate不能对有外键的表 delete Menu delete RoleMenu SELECT * FROM sys.foreign_keys WHERE referenced_object_id=OBJECT_ID('Menu'); --找到引用 阅读全文
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public static void CallPrivateMethod(object instance, string name, params object[] param) { BindingFlags flag = BindingFlags.Instance | BindingFlags.N 阅读全文
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SELECT * FROM INFORMATION_SCHEMA.columns WHERE TABLE_NAME='MenuInfo' select * from sysobjects where name='MenuInfo' --查询所有表 select * from sysobjects w 阅读全文
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<!DOCTYPE html> <html> <body> <table bgcolor = "black" cellspacing= "1" > <tr bgcolor= "white"> <td colspan= "4" align= "center">通讯录</td> </tr> <tr bg 阅读全文
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div水平和垂直居中,text-align和vertical-align不起作用,因为标签div没有这两个属性,所以再css中设置这两个值不能居中的效果。 1. div水平居中:设置margin的左右边距为自动。margin:0 auto; 2. div中的文字居中:将div的行高设置跟其高度一样的 阅读全文
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static void SubTest() { Stopwatch sw = new Stopwatch(); sw.Start(); //耗时巨大的代码 sw.Stop(); TimeSpan ts2 = sw.Elapsed; Console.WriteLine("Stopwatch总共花费{0 阅读全文
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<script> var user = document.getElementById("user"); var pwd = document.getElementById("pwd"); var user_erro = document.getElementById("user_erro"); v 阅读全文
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select 'A' AS A , B ='B' 阅读全文