大约有 38,000 项符合查询结果(耗时:0.0273秒) [XML]

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jquery data selector

..., and then select using that attribute: var elm = $('a').attr('data-test',123); //assign 123 using attr() elm = $("a[data-test=123]"); //select elm using attribute and now for that elm, both attr() and data() will yield 123: console.log(elm.attr('data-test')); //123 console.log(elm.data('test'))...
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LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...深入地分析网站上那些下载很慢的图形或中断的连接等有问题的 元素。 1、Web Page Breakdown(页面分解总图) "页面分解"显示某一具体事务在测试过程的响应情况,进而分析相关的事务运行是否正常。 "页面分解"图可以按下面...
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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...

...试图同时用生理学和计算机的手段,双管齐下,研究视觉问题。 他们收集了很多黑白风景照片,从这些照片中,提取出400个小碎片,每个照片碎片的尺寸均为 16x16 像素,不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来,...
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String.format() to format double in java

..."#,##0.00", decimalFormatSymbols); System.out.println(decimalFormat.format(1237516.2548)); //1,237,516.25 Locale-based formatting is preferred, though. share | improve this answer | ...
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Using CSS :before and :after pseudo-elements with inline CSS?

...ich strips anything in <style> tags. See here (zurb.com/ink/inliner.php) for an automator – kez Mar 12 '14 at 11:44 ...
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SQLAlchemy IN clause

... How about session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all() edit: Without the ORM, it would be session.execute( select( [MyUserTable.c.id, MyUserTable.c.name], MyUserTable.c.id.in_((123, 456)) ) ).fetchall() select() takes two parameters...
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MySQL pagination without double-querying?

...(with the limit) and just filter the info through your back end script. In PHP for instance, you could do something like: if($queryResult > 0) { $counter = 0; foreach($queryResult AS $result) { if($counter >= $startAt AND $counter < $numOfRows) { //do what you want...
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How to get the data-id attribute?

... To get the contents of the attribute data-id (like in <a data-id="123">link</a>) you have to use $(this).attr("data-id") // will return the string "123" or .data() (if you use newer jQuery >= 1.4.3) $(this).data("id") // will return the number 123 and the part after data- ...
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问...
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...来很旧了,停止选举等待人来操作。 ? 如果上面都没有问题就选择最后操作时间戳最新(保证数据是最新的)的服务器节点作为主节点。 选举的触发条件 初始化一个副本集时。 副本集和主节点断开连接,可能是网络问题。...