devOpera Articles

Opera Dragonfly Architecture

In this article, Hans S. Tommerholt covers the architecture of Opera Dragonfly in detail.

Introduction to Opera Dragonfly

In this article, Chris Mills gives you the lowdown on Opera's exciting new developer tools release - Opera Dragonfly - revealing how to use it, and what all the parts of the application do. This is an alpha version, so let us know what you think!

Stop using Ajax!

In this controversial article, James "Brothercake" Edwards argues that we should stop using Ajax (unless absolutely necessary) until we have ironed out the issues surrounding its lack of compatibility with accessible technologies such as screenreaders, and suggests how you can stick to accessible web standards-based techniques, instead of resorting to Ajax.

Location-based publishing and services

The web has been used to record many pieces of data - not only documents, and information on people and event details, but the time things occured, names and addresses, reviews of those things, what relationship people have to each other, and more. More recently, one attribute has really come to the forefront - the location of things, or geocoded data as it is called. In this article, Premasagar takes you through the world of geo data, showing what options we have for recording geo data, what tools are at our disposal, what people are doing with it already, and what the future holds.

Indexing and searching in Opera with Opera Quick Find History Search

In this article, Pavel Studený lifts the lid off Opera Quick Find History Search, an exciting new Opera feature that allows you to search the full text of previously-visited pages.

Getting started with Opera skinning

In this article, Lars Kleinschmidt introduces you to the basics of skinning Opera, that is, customizing the look and feel of the UI. We will publish more in depth articles later on, but this article is meant as a quick start tutorial on completing simple tasks such as customizing button icons. Here Lars covers where the skin files are located, how to package the files that make up an Opera skin, and how to make simple replacements of button and background images.

Javascript badges powered by JSONP and microformats

Getting tired of maintaining all your social data on several different sites? Can't we have more data portability? This stuff is in the works, but for now, we need intermediary solutions. In this article, Gareth Rushgrove shows how to build a simple script that shares Microformatted data across domains using JSONP, JavaScript, and Glenn Jones' ufXtract tool.

How to do photoshop-like effects in SVG

Wanna add some polish to your site, the standards way? In this article Erik shows how you can save time and money on creating graphics and effects programmatically using SVG instead of doing them all manually using Photoshop.