PHP 5.4.0 in a nutshell

Although purists have always sneered upon PHP for being a “patched” language; the evolution of PHP over the years, with new features added in every version, has only increased its popularity. The latest 5.4 release has followed the trend with some major feature additions. The following post describes some important changes in PHP 5.4.
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Printing selective DOM elements on a page

Printing web pages from JavaScript, although not a common scenario, can be easily accomplished with some simple code. On the other hand, selectively printing some elements from a web page – like a div or a paragraph, can be challenging. Fortunately there are libraries available that can make the task easier. One such useful jQuery plugin is jQuery PrintElement, which allows you to selectively print a DOM element. Usage is extremely easy; just select any element from a webpage and fire the ‘printElement’ method.
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Migrating WordPress domains quickly

Changing the domain name or URL of a WordPress site, whether from local server to a live or vice versa, can be a frustrating and time consuming task. One nice script I found helps ease that process considerately. WordPress-Domain-Changer is a simple PHP script that lets you quickly change domains of your WordPress installation.

The script basically works by replacing the old domain name strings in the ‘wp_options’ table with the new values. It will also replace any references to the old domain name in post content with the new domain name. Upload paths will also be changed.

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Rendering PDF in HTML5 Canvas

pdf.js is an HTML5 technology experiment from Mozilla that explores building a faithful and efficient Portable Document Format (PDF) renderer using Canvas without any native code support. The goal of the project is to create a general-purpose, web standards-based platform for parsing and rendering PDFs, and eventually to release a PDF reader extension powered by pdf.js. Integration with Firefox is a possibility if the experiment proves successful.
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