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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...
WCL developer guide
By Opera Software · 21 Aug, 2008
Once you go through this developer guide, you should be able to make widgets using the WCL (Widget Chrome Library). By using the library, the widgets will be resizable and work on multiple platforms, giving the user the best possible user experience on any device.
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CSS 3 attribute selectors
By Christopher Schmitt · 21 Aug, 2008
In this article, Christopher Schmitt carries on his detailed exploration of what CSS3 has to offer us, looking at CSS3 attribute selectors that allow us to write selectors matching strings of text inside attribute values.
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CSS and opacity: methods for creating translucent elements
By Christopher Schmitt · 15 Aug, 2008
Christopher Schmitt has been playing with the CSS opacity property a lot lately, and loves what he can do with it. In this article, he shares his findings with the world.
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Grid design basics: Grids for Web page layouts
By CraigGrannell · 15 Aug, 2008
In this article, Craig Grannell builds on his previous article to take us through the basics of actually laying out pages on a grid. It is packed with essential tips.
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Setting Web type to a baseline grid
By CraigGrannell · 7 Aug, 2008
Another article in Craig Grannell's fabulous series on design basics, in this article Craig gives us the lowdown on grid design basics - how to create a baseline grid in CSS, and how to position text on screen using it, with distances measured in both pixels and ems.
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Opera Mobile 9.5 - the developer angle
By Chris Mills · 17 Jul, 2008
The beta 1 release of Opera Mobile 9.5 is here, giving mobile users a great new browser to surf...
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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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The first working draft of HTML 5 is here!
By Anne van Kesteren · 23 Jan, 2008
The first working draft of HTML 5 is here! In this article, Anne van Kesteren takes a look at t...
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Progressive Enhancement with CSS 3: A better experience for modern browsers
By Peter Gasston · 9 Jan, 2008
In this article, Peter Gasston of css3.info blazes through some neat ways of progressively enha...
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The seven rules of unobtrusive JavaScript
By Christian Heilmann · 19 Dec, 2007
Reproduced with permission from Christian's wait-till-i.com developer resource/blog site, this...
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Progressive Enhancement and the Yahoo! User Interface Library (YUI)
By Christian Heilmann · 27 Sep, 2007
As a web developer, you'll know exactly how annoying it can be getting your sites to work consi...
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