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Powered by Opera Widgets, Web applications takecenter stage
By Lawrence Eng · Thursday, October 15, 2009 5
Today, we are bringing Opera Widgets for desktop to center stage, empowering application developers so they can take full advantage of the Web and its associated technologies to build full-fledged desktop applications. Read more…
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Opera Unite developer’s primer — revisited
By Hans S. Tømmerholt · Wednesday, October 14, 2009 19
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 application development by making a simple Opera Unite blog application. Read more…
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Yusef: the Unite Server Framework
By Zi Bin Cheah · Wednesday, October 14, 2009 2
The Opera Unite Server framework, “Yusef”, is the foundation of Opera Unite applications bundled with Opera 10.10. It eases the development of Opera Unite applications by providing a set of core features such as access control, templating, secure administration and actions, image resizing and caching, and more. Read more…
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Adding meaning to your HTTP error pages!
By Stuart Colville · Wednesday, September 23, 2009 2
The default HTTP error pages served up by a web server such as Apache will not be very helpful to your site's visitors, should they ever be unlucky enough to stray across them. In this article, Stuart Colville shows you how to add custom error pages to your web site, and design them so that they draw your site visitors back into your site, for example to related articles. Read more…
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Gridnite part 2: developing the formula engine
By Slava Vishnyakov · Wednesday, September 9, 2009 2
This is part two of our "Gridnite" series, covering the creation an Opera Unite-powered spreadsheet. We've already covered the basic implementation, and making the updates appear in real time across all connected computers. This second part looks at implementing a formula engine for the spreadsheet. Read more…
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The Opera 10 experience
By Chris Mills · Tuesday, September 1, 2009 5
This article gives you the low down on Opera 10's new features and standards support.Showcases in the article make use of Web Fonts, RGBA/HSLA colours, Selectors API, CSS 3 selectors, HTML 5 contenteditable and more. It also looks at Opera 10's new user interface and Opera Dragonfly features. Read more…
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Seven Web Fonts showcases
By Chris Mills · Tuesday, September 1, 2009 10
This article presents some all-new Web Fonts showcases, written by the Opera developer relations team, to educate and inspire you! Check them out, and feel free to download and reuse the code. Read more…
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Color in Opera 10 — HSL, RGB and Alpha Transparency
By Molly E. Holzschlag · Tuesday, September 1, 2009 2
This guide explains how the RGB (Red, Green, Blue) and HSL (Hue, Saturation, Lightness) color models work, and how web designers can make clever use of them in CSS to improve their designs, and make more logical color scheme choices. It also looks at the alpha channel, and how that can also be beneficial. Read more…