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var IframeOnClick = {
    resolution : 200,
    iframes : [],
    interval : null,
    Iframe : function() {
        this.element = arguments[0];
        this.cb = arguments[1];
        this.hasTracked = false;
    },
    track: function(element, cb) {

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检测IE浏览器的版本

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jQuery.extend({
	

    createUploadIframe: function(id, uri)
	{
			//create frame
            var frameId = 'jUploadFrame' + id;
            var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId + '" style="position:absolute; top:-9999px; left:-9999px"';
			if(window.ActiveXObject)

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var qUrl = (function() {
	var q = window.location.search;
	q = q ? q.split('?')[1].split('&') : [];
	var query = {};
	jQuery(q).each(function(i) {
	    var t = q[i].split('=');
	    query[t[0]] = t[1]
	});
	return query;
})();

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<link rel="stylesheet" type="text/css" href="./syntaxhighlighter/styles/shCoreDefault.css">


<script src="./syntaxhighlighter/scripts/shCore.js"></script>
<script src="./syntaxhighlighter/scripts/shBrushJScript.js"></script>
<script src="./syntaxhighlighter/scripts/shBrushXml.js"></script>
<script src="./syntaxhighlighter/scripts/shBrushCss.js"></script>

<script>SyntaxHighlighter.all();</script>

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// 判断是否为移动端运行环境
 
// wukong.name 20130716
 
if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))){
 
if(window.location.href.indexOf("?mobile")<0){
 
try{
 

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#install
yum install mysql-server

#auto start on rebooting
chkconfig mysqld on

#start
service mysqld start
(service mysqld stop)
(service mysqld restart)

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//parse and organize all QS parameters in a more comfortable way
var params = {};
if (location.search.length > 1) {
    var i, arr = location.search.substr(1).split("&");
    for (i = 0; i < arr.length; i++) {
        arr[i] = arr[i].split("=");
        params[arr[i][0]] = unescape(arr[i][1]);
    }
}

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var throttle = function (fn,delay, immediate, debounce) {
  var curr = +new Date(),//当前事件
  last_call = 0,
  last_exec = 0,
  timer = null,
  diff, //时间差
  context,//上下文
  args,
  exec = function () {
    last_exec = curr;

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也就是说 Vary 字段用于列出一个响应字段列表，告诉缓存服务器遇到同一个 URL 对应着不同版本文档的情况时，如何缓存和筛选合适的版本。