Getting started with OperaWatir - Dev.Opera
Getting started with OperaWatir By Stuart Knightley · 9 Feb, 2011Published in: opera, testing, operawatir, watir, test automation Introduction The Watir API allows us to write Ruby scripts that interact with any web page, automatically going through all the steps users would normally take and alerting us to any problems quickly. This makes testing much quicker and easier. In this tutorial we are g
Dev.Opera — New Form Features in HTML5
IntroductionHTML5 includes many new features to make web forms a lot easier to write, and a lot more powerful and consistent across the Web. This article gives a brief overview of some of the new form controls and functionalities that have been introduced. Bad form?Introducing our exampleNew form controls<input type="number"><input type="range"><input type="date"> and other date/time controls<inpu
Dev.Opera — Introduction to Opera Extensions
Opera has always been known for its adaptability, and wealth of options for customisation. You can modify the UI with custom icons, buttons and menu options; you can write user stylesheets and User JavaScript to add custom styles and behaviour to any site you access; you can also create Opera Widgets and Unite applications to provide standalone native applications written using open standards, and
Getting started with Opera extensions - Opera Developer Community
Getting started with Opera extensions By Andreas Bovens · 21 Oct, 2010Published in: articles, API, opera extensions, download, builds, documentation Introduction Our Opera 11 Labs release comes with a standards-based framework for running extensions that add extra functionality to the browser. The extensions framework is built on existing standards, with W3C Widgets and JavaScript as the basis. Th
クロスブラウザな CSS box-shadow - Opera Developer Community
IE9 に関する情報は IE9 Developer Preview 3 を元にしています。 IE フィルター 私は最近 IE の CSS フィルタについて多くのことを学びました。まず最初に、 blur フィルター が IE で要素をぼやかすのにつかえます。 簡単な <div> 要素を使った例を見てみましょう: <div style="background:blue;height:100px;width:100px;"></div> これは 図1 のようになります。 図1: 固定領域を持つ簡単な <div> 要素 次のフィルターを使って、 IE で半径 5 ピクセルをぼやかすことができます: <div style='background:blue;height:100px;width:100px; filter:progid:DXImageTransform.Microsoft.Blur(p
Dev.Opera — Buffered Rendering in SVG
One of the things recently added to Opera is support for the buffered-rendering SVG property. SVG content providers can use this property to provide a hint to the implementation about how often an element is modified so it can make better speed vs. memory trade-offs. The attribute values for buffered-rendering are auto, dynamic, and static. From the SVG Tiny 1.2 recommendation: auto: Indicates tha
Dev.Opera — Cross-Browser CSS box-shadows
IntroductionDrop shadows are often used in web and print design to give elements more depth. Creating drop shadows for the Web used to require multiple images, created in image editing software and then attached to the page as CSS background images. This approached worked, but as well as being labour-intensive in terms of creating the necessary graphics, it also required bloating your markup with
Dev.Opera — How to Use the W3C Geolocation API
IntroductionImagine visiting a city for the first time. You're hungry, but don't know where the nearest restaurants are and which of them are any good. Wouldn't it be nice if some app could detect your location and provide you with a list of restaurants closest to you, along with reviews and ratings for each one? And this is not the only consideration — could it detect your location accurately, ke
The Opera 10 experience - Opera Developer Community
The Opera 10 experience By Chris Mills, David Storey · 1 Sep, 2009Published in: web fonts, opera 10, wai-aria, selectors api, css 3, There has been a lot of buzz around Opera 10, what with top notch standards support, a 100/100 score on the Acid 3 test, a new UI, and alpha and beta previews leading up to the final release. This article will cover the browser’s new features, but it will also focu
Markuper: The Opera Unite Service template library - Opera Developer Community
Markuper: The Opera Unite Service template library By António Afonso · 16 Jun, 2009Published in: markuper, service, library, javascript, template Introduction Markuper is a template library that provides an easy way to develop Opera Unite Services. Usually, when developing an Opera Unite Service, you need to output all content through the WebServerResponse.write* functions. That can easily be tur
Opera Unite developer's primer - Opera Developer Community
Opera Unite developer's primer By Hans S. Tømmerholt · 16 Jun, 2009Published in: service, development, config, developer, unite Introduction Opera Unite features a Web server running inside the Opera browser, which allows you to do some amazing things. At the touch of a button, you can share images, documents, video, music, games, collaborative applications and all manner of other things with you
An introduction to Opera Unite - Opera Developer Community
An introduction to Opera Unite By Chris Mills · 16 Jun, 2009Published in: services, sharing, opera, install, unite Introduction The time has come to raise the curtain on yet another exciting new Opera technology release. The drums are playing a low roll, which increases in intensity as the onlookers stare in antici … pation; the lights begin to come up, along with the curtain; the stage is all se
Dev.Opera — JavaScript for Hackers
IntroductionI love to use JavaScript in unexpected ways, to create code that looks like it shouldn't work but does, or produces some unexpected behavior. This may sound trivial, but the results I've found lead to some very useful techniques. Each of the techniques described can be used for XSS filter evasion, which was my original intention when developing them. However, learning such JavaScript c
Opera Presto 2.2 と Opera 10 概観 - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. この記事は「Opera Presto 2.2 and Opera 10 — a first look」の日本語訳です。 【翻訳：斉藤 aka Σαιτω】 はじめに 2008 年の終わりが迫ってきた今、Opera から一足早いクリスマスプレゼントのお知らせをいたします。改良された新 Opera Presto 2.2 レンダリングエンジンのお披露目です。開発チームの努力によって、新エンジンは速度、安定性、Web 標準への準拠などすべての分野にわたって改良がなされました。 この文書は、先のバージョン 2
Presto 2.2 and Opera 10 — a first look - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Presto 2.2 and Opera 10 — a first lookBy Chris Mills · 4 Dec, 2008Published in: rgba, fonts, Web, selectors, svg Introduction As 2008 draws to a close, here at Opera we are excited to announce an early Christmas present for you all—a first look at our
Opera's Developer Relations Team - Opera 10.60 moves to the beta zone
8 March 2022 by Danny Yao in Blog By supporting the Opera Crypto Wallet, Dapp developers can gain access to millions of crypto users on Opera platform. To do so, Dapp developers need simply add a few lines of code to set up integration with the Opera Crypto Wallet. 23 January 2019 by Daniel Bratell in Blog Opera 58 (based on Chromium 71) for Mac, Windows, Linux is out! To find out what’s new for u
Opera Dragonfly Architecture - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Introduction This article covers the architecture of Opera Dragonfly in detail, showing what the different components in the architecture are, and how they interact during Dragonfly's running. Architecture overview Debugging scenarios Integrated Remote
Dev.Opera — Hello World - Introducing Opera Dragonfly
Today we released the first alpha of our new web developer tool. The objective for this first alpha release is to get feedback and of course allow you to start using it. You should expect it to be buggy and even missing some key features, but that is what alpha means. It is however not entirely correct that we are releasing the tool early in the development. The foundation for Opera Dragonfly has
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