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Mozilla Developer Network

Mozilla Developer Network
HTML5 is the latest evolution of the standard that defines HTML. The term represents two different concepts. It is a new version of the language HTML, with new elements, attributes, and behaviors, and a larger set of technologies that allows the building of more diverse and powerful Web sites and applications. This set is sometimes called HTML5 & friends and often shortened to just HTML5. Designed to be usable by all Open Web developers, this reference page links to numerous resources about HTML5 technologies, classified into several groups based on their function. Semantics: allowing you to describe more precisely what your content is. Semantics Sections and outlines in HTML5 A look at the new outlining and sectioning elements in HTML5: <section>, <article>, <nav>, <header>, <footer> and <aside>. Using HTML5 audio and video The <audio> and <video> elements embed and allow the manipulation of new multimedia content. Forms improvements New semantic elements Improvement in <iframe> MathML WebRTC

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Porting “Me & My Shadow” to the Web – C++ to JavaScript/Canvas via Emscripten Editors note: This is a guest post by Alon Zakai of the Mozilla Emscripten team. Thanks Alon! Me & My Shadow is an open source 2D game, with clever gameplay in which you control not one character but two. HTML5 is dead. Long live HTML5! HTML5 fans got a very large splash of very cold water in their faces yesterday. Facebook has been a big fan of building mobile apps using HTML5 and related Web standards, but no less than founder and Chief Executive Mark Zuckerberg called Facebook's HTML5 app " one of the biggest mistakes if not the biggest strategic mistake that we made." Those are powerfully damning words, and many developers will likely take them to heart given Facebook's cred in the programming world. But there are subtleties here -- not an easy thing for those who see the world in black and white to grasp, to be sure, but real nonetheless.

Using Questionnaires for Design Research How do you ask the right questions? In this article, I share a bunch of tips and practical advice on how to write and use your own surveys for design research. I’m an audience researcher – I’m not a designer or developer. I’ve spent much of the last thirteen years working with audience data both in creative agencies and on the client-side. I’m also a member of the Market Research Society. I run user surveys and undertake user research for our clients at the design studio I run with my husband – Mark Boulton Design.

An Introduction to R Table of Contents This is an introduction to R (“GNU S”), a language and environment for statistical computing and graphics. R is similar to the award-winning1 S system, which was developed at Bell Laboratories by John Chambers et al. It provides a wide variety of statistical and graphical techniques (linear and nonlinear modelling, statistical tests, time series analysis, classification, clustering, ...). This manual provides information on data types, programming elements, statistical modelling and graphics. HTML5 HTML5 is a markup language used for structuring and presenting content for the World Wide Web and a core technology of the Internet. It is the fifth revision of the HTML standard (created in 1990 and standardized as HTML 4 as of 1997)[2] and, as of December 2012[update], is a candidate recommendation of the World Wide Web Consortium (W3C).[3] Its core aims have been to improve the language with support for the latest multimedia while keeping it easily readable by humans and consistently understood by computers and devices (web browsers, parsers, etc.). HTML5 is intended to subsume not only HTML 4, but also XHTML 1 and DOM Level 2 HTML.[2]

A Harder-Working Class Class is only becoming more important. Focusing on its original definition as an attribute for grouping (or classifying) as well as linking HTML to CSS, recent front-end development practices are emphasizing class as a vessel for structured, modularized style packages. These patterns reduce the need for repetitive declarations that can seriously bloat file sizes, and instil human-readable understanding of how the interface, layout, and aesthetics are constructed.

C++11 Lambda Functions: Returns and Calls In this entry in a series on lambda functions, Jeff Cogswell shows you how lambda functions can be stored in variables and walks you through how they can then be returned from a function and subsequently called by other functions. In our exploration of the new lambda features in C++11, we looked at how a lambda function can access the variables from the function containing the lambda function. Such a concept is common practice in a language such as JavaScript, and the JavaScript runtime will handle garbage collection by cleaning up data after it’s no longer needed. But what happens in C++? Let’s look at what goes on when a lambda function returns a variable from its containing function, which occurs when a function returns a lambda function.

10 new HTML5 tags you need to know about HTML5 offers new tags and attributes that provide more power, efficiency, and flexibility for your Web development. Here are 10 tags you'll want to check out. HTML5 brings a host of new elements and attributes to allow developers to make their documents more easily understood by other systems (especially search engines!), display data more uniquely, and take on some of the load that has required complex JavaScript or browser plug-ins like Flash and Silverlight to handle. Here are 10 new items in HTML5 that will make it easier for you to write your Web sites. 1: <video> and <audio> How to Make Your Site Look Half-Decent in Half an Hour Programmers like me are often intimidated by design – but a little effort can give a huge return on investment. Here are one coder’s tips for making any site quickly look more professional. I am a programmer. I am not a designer. I have a degree in computer science, and I don’t mind Comic Sans. (It looks cheerful.

What's New in HTML5 Forms: The Datalist Control As mentioned in my article entitled What's New in HTML5 Forms: New Email, URL, and Telephone Input Types, the HTML5 spec introduces a number of updated form elements that promise to make web developers' lives easier. Although browser support is still far from universal, there is little downside to using the new form controls--at least as far as input elements go. The topic of today's article, the Datalist control, is a little more complex than a simple input, and thus requires more care if you decide to use it. So for those of you who can't wait to take advantage of the latest and greatest that HTML5 has to offer, this article is for you! The Datalist element is used to suggest input values to the user, thereby providing an "autocomplete" feature on form elements. This is especially useful for long lists, such as countries or clothing manufacturers.

Cut Copy Paste Long before I got into this design thing, I was heavily into making my own music inspired by the likes of Coldcut and Steinski. I would scour local second-hand record shops in search of obscure beats, loops and bits of dialogue in the hope of finding that killer sample I could then splice together with other things to make a huge hit that everyone would love. While it did eventually lead to a record contract and getting to release a few 12″ singles, ultimately I knew I’d have to look for something else to pay the bills. I may not make my own records any more, but the approach I took back then – finding (even stealing) things, cutting and pasting them into interesting combinations – is still at the centre of how I work, only these days it’s pretty much bits of code rather than bits of vinyl.

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