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Default Exchange 默认交换机是broker事先声明的一个无名字(空字符串)的直接交换机(direct Exchange),它有一个让它很有用或对一般简单应用很起作用的特点:每创建一个队列,都会以队列名称作为路由键(Route Key)被绑定到该交换机上。 举个例子:创建队列“sear 阅读全文
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$('#btn').click(function(event){ var count1=$("input[type=text]:not(hidden),select :not(hidden)").length; var count2=$("input[type=text]... 阅读全文
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WITH T--根节点 新房媒体集团 AS (SELECT * FROM SlUrlKpiBiTree WITH(NOLOCK) ... 阅读全文
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1.并集SELECT Name FROM Person_1 UNION SELECT Name FROM Person_22.交集SELECT Name FROM Person_1 INTERSECT SELECT Name FROM Person_23.差集SELECT Name FROM... 阅读全文
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function AdjustADWidth(e, changeWidth) { var event = $.event.fix(e); var elem = event.target; while ($(elem)[0].tagNa... 阅读全文
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select top 20 * from ( select PromotionRateAmount,(cast(year(ReserveDate) as varchar(4))+cast(month(ReserveDate) as varchar(2))) as MonthSum,Orde... 阅读全文
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option = { timeline: { show: false, data: [ '数据分析', ... 阅读全文
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兼容性解决 string FileDownloadName = string.Format("城市广告位详情{0}.xls", DateTime.Now.ToString("yyyyMMddHHmmss")); string outputFileName = null; ... 阅读全文
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五六个表多次连接,数据仅有200多条时1.用convert把datetime转换成dateWITH Virtual_T AS ( SELECT ... 阅读全文
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js,正则表达式,表单验证 阅读全文