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Dev Opera is a community resource site where developers can share tips, tricks, extensions and more. This is the place where ideas are born, so contribute today! More in the forums...
Accessible drag and drop using WAI-ARIA
By Gez Lemon · 8 Jul, 2009
There is increasing interest in, and importance being laid upon, making modern dynamic web applications more accessible. New specifications such as WAI-ARIA and HTML 5 provide the means by which to do this; in this article Gez Lemon presents a solution for implementing accessible drag and drop functionality using JavaScript and WAI-ARIA. Some discussion of HTML 5 drag and drop features is also included for good measure.
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Keyboard accessibility in web applications: part 1
By Mihai Sucan · 8 Jul, 2009
One of the most important features to implement on your web sites for ensuring accessibility is keyboard controls, but this gets rapidly more complicated when the complexity increases, and you start getting into scripted web applications. But help is at hand. In this detailed three part series, web developer Mihai Sucan offers a complete solution for providing keyboard accessibility to complex web applications, using his canvas-based painting application as a starting point.
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Setting up custom domains for Opera Unite
By Lachlan Hunt · 19 Jun, 2009
In this article, Lachlan Hunt explains how to configure your connection setup to allow you to access your Opera Unite services from a custom domain.
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Opera Unite developer's primer
By Hans S. Tømmerholt · 16 Jun, 2009
Opera Unite puts a Web server inside your Opera browser, allowing you to share files and applications with your friends and colleagues directly off your hard drive! This tutorial shows you how to get started on the road to Opera Unite Service development by making a simple Opera Unite blog service. It introduces some of the basic ways of interacting with the web server and how to start creating Opera Unite Services.
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Markuper: The Opera Unite Service template library
By António Afonso · 16 Jun, 2009
This article introduces Markuper, a templating library that allows rapid development of Opera Unite Services and binding of data from JavaScript straight into the HTML templates.
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Opera Mobile 9.7 - features and standards support
By Chris Mills · 8 Jun, 2009
A new beta of Opera Mobile 9.7 is now available for Windows Mobile! This article takes you thro...
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Standards support in Opera Presto 2.2 and Opera 10 beta
By Chris Mills · 3 Jun, 2009
This article details all the exciting new standards support and standards-related features avai...
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MAMA
By Brian Wilson · 15 Oct, 2008
Behold the coming of our MAMA! MAMA (Metadata Analysis and Mining Application) is Opera's struc...
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Remote debugging with Opera Dragonfly
By David Storey · 17 Jul, 2008
In this article David Storey introduces the remote debugging feature of Opera Dragonfly - Opera...
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1: Introduction to The Web Standards Curriculum/Table of Contents
By Chris Mills · 8 Jul, 2008
Here's where the education begins! In this article, Chris Mills lifts the lid on Opera's Web St...
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Opera Widgets SDK
By Opera Software · 21 May, 2008
The Opera Widgets Software Development Kit has been released, and this article acts as an index...
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