PUBLIC MARKS from "Xavier Lacot" with tag opera

An Opera article, which explains how to build a simple HTML5 video player in a couple of minutes

The most expensive javascrit line ever : the story of "if (is.opera) window.location.href="config/error.htm";"

A "plugin" solution for Mac and Windows users who want to use Xiph formats in any QuickTime-based application. It allows, for instance, to play Ogg Vorbis in iTunes or pto roduce Ogg Theora with iMovie. And it will add support for open video in the "video" tag implementation in Opera

The announcement of Carakan, Opera's new ECMAScript Engine, using register-based bytecode instruction set. The first benchmarks show that Carakan is about two and a half times faster at the SunSpider benchmark than the ECMAScript engine in Presto 2.2 from Opera 10 Alpha.

The Opera developer center presents the main principles of the new HTML5 canvas tag, that Opera particularly uses in its widget system : very complete and interesting. Check the demos at the end of the article, it's worth a look!

MobilePress is a WordPress plugin that will render your WordPress blog on mobile handsets, with the ability to use customized themes. The plugin also allows specific themes for specific devices / mobile browsers, such as iPhone, Opera Mini, Windows CE Mobile and other generic handset browsers.

Opera's new Web Standards Curriculum is a complete course to teach you standards-based web development, including HTML, CSS, design principles and background theory, and JavaScript basics. It already has support from many organizations (including Yahoo! and the Web Standards Project) and universities. The first 23 articles are currently available, with about 30 more to be published between now and late September.

Algorithm Ink is a port and extension of Context Free by Aza Raskin. The original grammar was originally conceived of by Chris Coyne. Algorithm Ink uses open-web, standards-based tools: no plugins required. You can even right-click to save the drawings. The caveat is that Firefox 3, and Opera 9.5 are the only browsers to fully support Canvas, so it may run slower on Safari, and not at all in Internet Explorer.

Welcome to Opera Dragonfly alpha, the foundations of Opera's upcoming Developer Tools. Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone.

We have unleashed the Dragonfly! Opera Dragonfly is Opera's all-new set of developer tools, designed to give developers a lightweight-but-powerful application that provides effective mechanisms for web standards debugging and problem solving without slowing down the browser, and fits in nicely with the development workflow.