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jquery在线预览PDF文件，打开PDF文件 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t type="text/javascript">
$(function() {
$('a.media').media({width:800, height:600});
});
</script>
</head>
<body>
<a class="media" href="guice.pdf">PDF File</a>
</body>
</html>
查看预览：http://sources.ikeepstudying.com/jquery.media/pdf.php
使用jquery.media.js...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...2312" />
<title>文字向上滚动</title>
<style type="text/css">
.box{width:150px; height:25px;line-height:25px; border:#bbb 1px solid; overflow:hidden;}
.box ul{margin:0; padding:0}
.box li{height:25px; line-height:25px; font-size:12px; text-align:center; list-style-type:none;}
</style>
</...
qrcodejs：根据URL地址生成二维码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ew QRCode("qrcode", {
text: 'https://m.tsingfun.com/', //URL地址
width: 180,
height: 180,
colorDark: '#088CEF', //二维码颜色
colorLight: "#ffffff" //背景颜色
});
$(function(){
$("#mob").hover(function() {
$("#qrcode").animate({opacity: "show"}, "slow");
}, f...
SQL update query using joins
...r your requirement:
UPDATE
shopping_cart sc
LEFT JOIN
package pc ON sc. package_id = pc.id
SET
sc. amount = pc.amount
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Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...
I wouldn't do it. Use virtual PCs instead. It might take a little setup, but you'll thank yourself in the long run. In my experience, you can't really get them cleanly installed side by side and unless they are standalone installs you can't really verify ...
怎么解决MQTT连接掉线，自动连接问题，同时解决，反复断开连接，断开连接问...
解决MQTT退出后台后掉线自动连接问题，现在可以实现自动连接，但是在返回控制界面的时候，反复断开反复链接，还有切换页面的时候返回也是同样的问题，还有连接一个服务器，需要每个页面单独设置MQTT连接吗，是不是可以...
XmlNode与XmlElement的区别总结 - .NET(C#) - 清泛IT社区，为创新赋能！
转自CSDN：http://bbs.csdn.net/topics/330203920
今天在做ASP.NET操作XML文档的过程中，发现了两个类：XmlNode和XmlElement。这两个类的功能极其类似（因为我们一般都是在对Element节点进行操作）。上网搜罗了半天，千篇一律的答案。永远说...
如何屏蔽APP输出的报警信息 - App应用开发 - 清泛IT社区，为创新赋能！
...问如何屏蔽APP输出的报警信息，或者将报警信息改为中文自定义的信息
在这个统一的异常处理函数中处理报错信息，或者自定义提示信息：
组件：一般是拓展名称
函数名称：如SendData
错误编号：上图的 -2，你可以判断，个...
What is the difference between a process and a thread?
...of execution, maintaining the thread's state via a single program counter (PC), and set of registers. But what happens when there's a cache miss? It takes a long time to fetch data from main memory, and while that's happening the CPU is just sitting there idle. So someone had the idea to basicall...
Force drop mysql bypassing foreign key constraint
...d by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 ...