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  1. Firefox OS App Workshop Prague

    Back in March, Mozilla tech evangelist Frédéric Harper visited Prague in the Czech Republic and gave a talk at the local Prague JavaScript meetup. His presentation, Empower Mobile Web Developers With JavaScript and WebAPI introduced a roomful of Czech JavaScripters to Firefox OS, Open Web Read more…

  2. HTML out of the Browser

    Amongst my friends, I’m known as something of a Star Wars nerd. My longtime nick has been cfjedimaster (a combination of two passions, the other being ColdFusion), I work in a room packed to the gills with Star Wars toys, and I’ve actually gotten inked Read more…

  3. Powerful tools for developing Web Apps

    In the recent years, web development changed drastically. The emergence of the mobile web and the new form factor of smart phones created the demand for different solutions than the former desktop-only web. Since then a lot of frameworks and tools have been created, with Read more…

  4. Introducing PredictionIO

    PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery. Building a production-grade engine to predict users’ preferences and personalize content for them used to be time-consuming. Not anymore with PredictionIO’s latest v0.7 Read more…

  5. Measuring power consumption on phones

    While learning about and measuring what happens on phones, we’re learned a great deal around power consumption. Therefore we want to share some learnings and what have resulted in the FxOS Powertool! Introducing the FxOS Powertool! With the FxOS Powertool!, we can optimize apps for Read more…

  6. Coordinate Conversion Made Easy – the power of GeometryUtils

    In a previous post we introduced the GeometryUtils interface and the getBoxQuads() API for retrieving the CSS box geometry of a DOM node. GeometryUtils also takes care of another important problem: converting coordinates reliably from one DOM node to another. For example, you might want Read more…

  7. Rormix – Discover Emerging Music Videos with Firefox OS

    Rormix is a platform for discovering emerging music videos. Music videos are tagged by genre and similar commercial artists, making it easy to discover new music videos. The Rormix app was made using PhoneGap and released on iOS and Android. Development took just over a Read more…

  8. Inside the Party Bus: Building a Web App with Multiple Live Video Streams + Interactive Graphics

    Gearcloud Labs is exploring the use of open technologies to build new kinds of shared video experiences. Party Bus is a demo app that mixes multiple live video streams together with interactive graphics and synchronized audio. We built it using a combination of node.js, WebSockets, Read more…

  9. Introducing the getBoxQuads API

    Web developers often need to determine where an element has been placed in the page, or more generally, where it is relative to another element. Existing APIs for doing this have significant limitations. The new GeometryUtils interface and its supporting interfaces DOMPoint, DOMRect and DOMQuad Read more…

  10. Building a persistent Notes app for Firefox OS

    In this tutorial we will be building a notes app (like Evernote) from scratch and deploy it to Firefox OS! See a live demo. A persistent notes app needs a place to store all the notes for a user (so no one else can read Read more…