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create database test_snap --快照名 on ( name = test, filename = 'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQL\MSSQL\DATA\test_snap.mdf'--快照要保存的位置 阅读全文
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execute sp_rename 'Open_WxMessage.IsPush','IsRead' 阅读全文
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alter table Open_WxVisitRecords alter column AppId [varchar](50) not null; 阅读全文
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1 /// <summary> 2 /// 上传文件 3 /// </summary> 4 /// <param name="url"></param> 5 /// <param name="files"></param> 6 /// <param name="data"></param> 7 // 阅读全文
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1 WetSocketRequestModel model = new WetSocketRequestModel 2 { 3 type= "open_connect", 4 uid = 1212, 5 touid = 232, 6 msg = new MsgModel 7 { 8 content 阅读全文
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(uint)FromUserName.GetHashCode()%100000 阅读全文
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第一种:搜索cmd应用,然后点击以管理员身份运行 第二种:快捷键打开,先win+r 输入cmd,将下一步点击Enter 换为Ctrl+Shift+Enter,直接以管理员打开cmd。 阅读全文
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UPDATE INNER JOIN UPDATE A SET Name='whq' FROM TableA AS A INNER JOIN TableB AS B ON A.ID=B.ID WHERE A.ID<1000 AND B.Type=2 DELETE INNER JOIN DELETE A 阅读全文