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var img = document.createElement('img') | |
img.onload = function() { | |
console.log('load', img.width, img.height, this); | |
} | |
img.src = "https://assets-cdn.github.com/images/octocats/setuptocat.jpg"; |
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var img = document.createElement('img'); | |
img.onload = function() { | |
var height = this.height; | |
var width = this.width; | |
var src = this.src; | |
console.log(this, src, width, height); | |
} | |
document.body.appendChild(img); | |
img.src = "http://ww2.sinaimg.cn/bmiddle/86d107cfjw1ekd9ylb8hkg20b40b4e83.gif"; |
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// 监控网页错误情况 | |
//接受三个参数,分别是错误信息,错误页面的url和错误行号 | |
window.onerror = function(errorMessage, scriptURI, lineNumber,columnNumber,errorObj) { | |
console.log(arguments); | |
window.a = arguments; | |
var message = "错误信息: " + errorMessage + | |
" \n出错文件: " + scriptURI + | |
"\n出错行号: " + lineNumber + | |
" \n出错列号:" + columnNumber + | |
" \n错误详情:" + errorObj.message; |
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// bind event function | |
function bind_event(elem, ev, fn) { | |
//elem object | |
//ev event | |
//fn function | |
if (typeof elem == "undefined" || typeof ev == "undefined" || typeof fn == "undefined" || elem === null) { | |
return false; | |
} | |
if (elem.addEventListener) { | |
elem.addEventListener(ev, fn, false); |
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var regex = /gov.cn/ig; | |
console.log('regex.test("gov.cn")', regex.test("gov.cn"), "gov.cn"); | |
console.log('regex.test("gov.cn")', regex.test("gov.cn"), "gov.cn"); | |
console.log('regex.test("gov.cn")', regex.test("gov.cn"), "gov.cn"); | |
console.log('regex.test("gov.cn")', regex.test("gov.cn"), "gov.cn"); |
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原帖地址: http://topic.csdn.net/u/20110113/19/b0d5d506-4307-428b-a61d-7974aa66a2da.html | |
首先要说明的是:这里介绍的方法都是大部分是本人“悟”出来的,所以网上难有流传! | |
好方法不能自己私藏,否则就白忙乎这几天了,分享给有需要的朋友们。如果有转载,敬请注明来自*CSDN老邓*作品。 | |
呵呵,给自己打广告,实在是无耻之极,权当无聊之时打字之用。 | |
欢迎流传,为最优秀的分布式版本管理系统Git做宣传!! | |
步骤: | |
1. 下载:http://loaden.googlecode.com/files/gitconfig.7z | |
2. 解压到:<MsysGit安装目录>/cmd/,例如:D:\Program Files\Git\cmd |
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npm install --no-bin-links |
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/** | |
* @name convertCity | |
* @desc 进行 geoip 到 中文 city 的转换。源变量污染式修改。 | |
* @depend [] | |
* @param { obj } obj 用于转换的数据 | |
* @return { obj } 返回一个新的已经是中文名的 obj 。 | |
**/ | |
function convertCity(obj) { | |
var geoipcity = { |
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''' | |
given a Model with: | |
category = models.CharField(max_length=32, choices=CATEGORY_CHOICES) | |
pubdate = models.DateTimeField(default=datetime.now) | |
<other fields> | |
Fetch the item from each category with the latest pubdate. | |
''' |