立诚勿怠,格物致知
It's all about connecting the dots

2015年06月的文章

书摘·学习英语与从事英语工作的人生历程

赋宁除了完成组织上交给他的工作外,千方百计让星儿能吃好,保证儿子的营养。一个时期他常骑车去海淀长征食堂要一个星儿爱吃的荤菜如滑熘肉片和一个素菜,盛在饭盒里,带回家给星儿吃,而自己简单地吃一顿。他有时也买一两白酒,就着一小盘猪头肉之类的下酒菜,借酒消愁。那时我在山东,他已不能做自己喜爱的业务工作,更不能孜孜以求地钻研学问,这是星儿在他身边恐怕是他唯一的安慰。

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AJAX

Ajax (also AJAX; short for asynchronous Javascript and XML) is a group of interrelated Web develoment techniques used on the client-side to create asynchronous Web appications. With Ajax, web aplications can send data to and retrieve from a server asynchronously (in the background) without interfering with the display and behavior of the existing page. Data can be retrieved using the XMLHttpRequest object. Despite the name, the use of XML is not required (JSON is often used in teh AJAJ variant), and the requests do not need to be asynchronous.

Ajax is not a single technology, but a group of technologies. HTML and CSS can be used in combination to mark up and style information. The DOM is accessed with JavaScript to dynamically display - and allow the user to interact with - the information presented. JavaScript and the XMLHttpRequest object provide a method for exchanging data asynchronously between browser and server to avoid full page reloads.

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Video Tag in HTML5

If there is a video whose width and height are respectively 800px and 600px, then you can resize it by setting propertities width and height. However, you should be noted that the size of the video is adjusted in proportion to its original size, and if you try to set a size which is not in proportion to its original size, the vidio will adjust its size in proportion to its original size as per the relatively short length (width/height).

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