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CSS3 transitions and 2D transforms
By David Storey · Tuesday, December 22, 2009 19
In this article, you'll learn about CSS3 transitions and transforms (as well as their SVG and SMIL corollaries), all of which are supported by Opera versions 10.50 and later. Read more…
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Opera Mobile 10 beta 2 developer’s introduction
By Daniel Davis · Wednesday, December 2, 2009 24
Opera has just released Opera Mobile 10 beta 2, the latest version of our browser for smartphones. In this article we explore Opera Mobile 10's main features, new standards support and Opera Dragonfly features, and how to optimize sites for mobile. Read more…
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A developer’s look at Opera Mini 5 beta 2
By Chris Mills · Wednesday, December 2, 2009 50
It’s a great day — Opera Mini 5 beta 2 is now available to download and try out! This article takes you through what’s new in Opera Mini 5 in terms of features and web standards support, and offers some tips for optimizing your web sites for viewing on mobile. Read more…
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Opera Widgets as standalone applications
By Remigiusz Bondarowicz · Wednesday, November 25, 2009 90
In our alpha release of Opera 10.20, Opera Widgets can run independently of the browser, becoming powerful standalone desktop applications on Windows, Mac and Linux. This is all thanks to the updates to the Opera Widgets runtime made available through our new Opera Widgets for Desktop functionality. This article gives an overview of how to install, run, import and debug Opera Widgets in our latest release. Read more…
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Rapid application development using the Opera Unite Yusef library
By Shwetank Dixit · Tuesday, November 24, 2009 7
Yusef is a framework for Opera Unite applications that provides ready-made solutions to problems such as form validation, access control, UI templating, and more. In this article we look at how to use Yusef and its plugins for rapid development of application features such as access control and consistent templates. Read more…
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Opera Desktop Widgets evolved
By Remigiusz Bondarowicz · Thursday, October 15, 2009 1
A preview of where Opera Widgets are heading: in our latest Labs release, Opera Widgets can run independently of the browser and become first-class citizens on Windows, Mac and Linux. This article gives an overview of how to install, run, import and debug widgets in our latest release. 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…