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HTML5 Pre-resize images before uploading

...ataurl = canvas.toDataURL("image/png"); //Post dataurl to the server with AJAX share | improve this answer | follow | ...
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How to Reload ReCaptcha using JavaScript?

I have a signup form with AJAX so that I want to refresh Recaptcha image anytime an error is occured (i.e. username already in use). ...
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Safely turning a JSON string into an object

... ways to do it but here's how you do it in Prototype (JSON tutorial). new Ajax.Request('/some_url', { method:'get', requestHeaders: {Accept: 'application/json'}, onSuccess: function(transport){ var json = transport.responseText.evalJSON(true); } }); Calling evalJSON() with true as the...
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Logical operator in a handlebars.js {{#if}} conditional

...px; margin: 5px; border: 1px solid grey; } <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script src="http://cdnjs.cloudflare.com/ajax/libs/handlebars.js/1.0.0/handlebars.min.js"></script> <script id="template" type="...
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How to get a DOM Element from a JQuery Selector

... in browsers too. Some attributes can be different. The classic example is AJAX calls. To do this properly in raw Javascript has about 7 fallback cases for XmlHttpRequest. share | improve this answe...
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Omitting the second expression when using the if-else shorthand

... answered Jun 17 '12 at 6:33 ajax333221ajax333221 10.1k1414 gold badges5656 silver badges8787 bronze badges ...
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7大富豪轶事:成功没有传奇 只有不断挑战并战胜 - 资讯 - 清泛网 - 专注C/C...

...画家给你画像才是你的骄傲!” 如果说是那个摄影师把一个穷孩子激励成了世界上最富有的人,似乎并不过分。 【财富箴言】 外国的狗眼也看人低。侮辱即动力,刺激即赐予。 2。华达李晓华:感情需要物质来解决 香港华...
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sqlite 命令行创建一个空库 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

sqlite 命令行创建一个空库sqlite_create_empty_dbSQLite创建一个空白的数据库,具有被识别为有效的SQLite数据库的优势,比touch创建一个空文件好。$sqlite3 foo db "create table t(f int); drop table t;"可以通过以方 SQLite创建一个空白的数据库...
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能把一个图片放到另一个图片上层吗? - App应用开发 - 清泛IT社区,为创新赋能!

当然可以。 1、 图像放布局中,布局设背景图片。 2、 图像精灵放画布,画布设背景。 3、 屏幕设背景图片,图像组件放上面。
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On select change, get data attribute value

... ' + $(this).find(':selected').data('id')); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <select> <option data-id="1">one</option> <option data-id="2">two</option> <option data-id="3">t...