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Atlassian, which makes product management software for software development, is debuting a new version of its collaboration software for product teams, JIRA. As you may know, JIRA is a product and issue management tool that connects people, applications and activity to accelerate the software development process.

The Web Developer extension adds various web developer tools to a browser. The extension is available for Firefox and Chrome, and will run on any platform that these browsers support including Windows, Mac OS X and Linux

The focus of this specification is readability and ease of access. Unlike the full HTML specification, this "web developer edition" removes information that only browser vendors need know.

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including various XML languages like SVG or XHTML). CSS is one of the core languages of the open web and has a standardized W3C specification. Developed in levels, CSS1 is now obsolete, CSS2.1 a recommendation and CSS3, now split into smaller modules, is progressing on the standard track. The first early drafts of CSS4 modules are being written.

Mobile devices such as smartphones and tablets usually have a capacitive touch-sensitive screen to capture interactions made with the user's fingers. As the mobile web evolves to enable increasingly sophisticated applications, web developers need a way to handle these events. For example, nearly any fast-paced game requires the player to press multiple buttons at once, which, in the context of a touchscreen, implies multi-touch. Apple introduced their touch events API in iOS 2.0. Android has been catching up to this de-facto standard and closing the gap. Recently a W3C working group has come together to work on this touch events specification. In this article I'll dive into the touch events API provided by iOS and Android devices, explore what sorts of applications you can build, present some best practices, and cover useful techniques that make it easier to develop touch-enabled applications.

"The float property is a valuable and powerful asset to any web designer/developer working with HTML and CSS. Tragically, it can also cause frustration and confusion if you don't fully understand how it works. Also, in the past, it's been linked to some pretty nasty browser bugs so it's normal to get nervous about using the float property in your CSS rule sets. Let's calm those nerves and ease that frustration."

Mobile Emulators & Simulators: The Ultimate Guide

On Monday, The Boston Globe released its new premium content mobile initiative dubbed BostonGlobe.com. That is not to be confused with Boston.com, its free flagship website. This unto itself is not all that interesting. Yet, the HTML5 development community is heaping praise on BostonGlobe.com primarily for how the sites renders across varying screen sizes, an innovation called responsive design.

"The following are some tips for decreasing your web page loading times."

A resource for developers looking to put HTML5 to use today, including information on specific features and when to use them in your apps.