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This tutorial will demonstrate how to create your first Android application, setup Android development environment and it is based on Eclipse 4.2 (Juno), Java 1.6 and Android 4.2 (Jelly Bean). All examples run on Ubuntu 12.04 but the steps are the same on any environment.

I've got good news and bad news for developers. The good news is you're going to be in greater demand than ever. The bad news is you're going to need learn to develop apps for everything from refrigerators to automobiles -- and in some cases, a lack of standards is going to complicate things, at least for awhile.

Quo Vadis Ubuntu? Is Ubuntu following the same steps that Microsoft and Apple?

And if that is true, is that really an issue?

Veterans Affairs holding contest to upgrade systems The US Department of Veterans Affairs is looking to upgrade the 25-year-old software that powers its nationwide health care system, and it's betting real money that open source is the way to do it.…

Another pre-release for the upcoming CRUX 3.0 is available now. If no serious bugs came up, this image will be released as the final CRUX 3.0.

Elgg v1.8.12, a free PHP based social networking engine, has been released with numerous bugfixes and improvements. Keep your Elgg site running smoothly by upgrading to new version.

Critical Java zero-day bug is being “massively exploited in the wild” (Updated) ( Dan Goodin, Ars Technica) According to researchers at Alienvault Labs, the exploits work against fully patched installations of Java. Attack files are highly obfuscated and are most likely succeeding by bypassing security checks built in to the program. KrebsOnSecurity said the malware authors say the exploits work against all versions of Java 7.

Dangerous vulnerability in latest Java version (sno, The H Security/Heise online) The latest Java version, Java 7 Update 10 contains a critical security vulnerability which is reportedly already being used for large scale cyberattacks. Users who have Java installed on their computers should deactivate the Java plugin in their browsers without delay.

CES is about technology of all kinds; while we're busy covering cameras, TVs, and CPUs, there's a huge number of products that fall outside our normal coverage. Austin-based startup TrackingPoint isn't typical Ars fare, but its use of technology to enable getting just the perfect shot was intriguing enough to get me to stop by and take a look at the company's products.

TrackingPoint makes "Precision Guided Firearms, or "PGFs," which are a series of three heavily customized hunting rifles, ranging from a .300 Winchester Magnum with a 22-inch barrel up to a .338 Lapua Magnum with 27-inch barrel, all fitted with advanced computerized scopes that look like something directly out of The Terminator. Indeed, the comparison to that movie is somewhat apt, because looking through the scope of a Precision Guided Firearm presents you with a collection of data points and numbers, all designed to get a bullet directly from point A to point B.

This howto will show you how to install and set up Rsnapshot, enable archiving of snapshots and how to back up MySQL databases on Debian. Rsnapshot is a filesystem snapshot utility for making backups of local and remote systems. Using rsync and hard links, it is possible to keep multiple, full backups instantly available. The disk space required is just a little more than the space of one full backup, plus incrementals.

Since my mythtv set-up was, for some crazy reason, not allowing me to do a direct download of recorded programming through the mythweb interface, I needed to find an alternate way of snagging those files. I have an ssh server running on my home LAN, so using scp for this seemed like it should work, though I knew it would take a bit of tinkering. Read on to see what sort of tinkering I did and, just as importantly, a way I discovered of resuming the disrupted download.

Michael Creel has announced the release of PelicanHPC 2.9, a Debian-based live DVD that makes it possible to set up high-performance computing clusters in minutes: "PelicanHPC version 2.9 is available. Octave 3.6.3, dynare 4.3.1, some updates to the econometrics stuff, and also the usual sync to Debian. This release is mainly to incorporate package updates from Debian.

Most open source developers like to think about the quality of the software they build, but the quality of the documentation is often forgotten. Nobody talks about how great a project’s docs are, and yet documentation has a direct impact on your project’s success. Without good documentation, people either do not use your project, or they do not enjoy using it. Happy users are the ones who spread the news about your project – which they do only after they understand how it works, which they learn from the software’s documentation.

It has been three and a half years since I first uploaded my remix video “Buffy vs Edward: Twilight Remixed” to YouTube. The work is an example of fair use, transformative storytelling which serves as a visual critique of gender roles and representations in modern pop culture vampire media.

Since I published the remix in 2009 it has been viewed over 3 million times on YouTube and fans have translated the subtitles into 30 different languages. It has been featured and written about by the LA Times, Boston Globe, Salon, Slate, Wired, Vanity Fair, and Entertainment Weekly, and it was discussed on NPR radio. It was nominated for a 2010 Webby Award in the best remix/mashup category. The video is used in law school programs, media studies courses, and gender studies curricula across the country. The remix also ignited countless online debates over the troubling ways stalking-type behavior is often framed as deeply romantic in movie and television narratives. This past summer, together with the Electronic Frontier Foundation, I even screened the remix for the US Copyright Office at the 2012 hearings on exemptions to the DMCA. Afterward, my "Buffy vs. Edward" remix was mentioned by name in the official recommendations by the US Copyright Office (PDF) on exemptions to the DMCA as an example of a transformative noncommercial video work.

Did you know that you can assign more that one IP address to a single physical network interface? This technique is quite useful, for example when working with Apache and virtual hosts, as it allows you to access same Apache server by using two different IP addresses. The process of creating a virtual network interface in Linux is a quite simple matter. It involves a single execution of the ifconfig command.

The year 2012 had many important FOSS legal developments which reflects the continued increase in FOSS use. FOSS projects have increased from 600,000 in 2010 to 900,000 by December 2012. In addition, a Dr. Dobbs' survey in the third quarter of 2012 stated that more than 90% of developers are using FOSS in two of the most rapidly growing areas, cloud computing and mobile computing. Continuing the tradition of looking back over the top ten legal developments in FOSS, my selection of the top ten issues for 2012 are as follows.

For years, Jeremy Allison has been one of the better known names in free software development. The lead developer of Samba's implementation of the SMB file server protocol, he is also generally credited as the project's co-creator. True, he jokes that description means that "Tridg [Andrew Tridgell] did all the hard bits, but I was there," and claims not to be current with all aspects of the project -- yet, all the same, few have more of an overview of Samba. Recently, Allison took time to give his personal view of the challenges involved in the recent Samba 4.0 release, and of the directions in which Samba might be heading next.

Fedora 18 is to get no further delays, with a last minute bug fix to one of their release candidates

While CES is known for bringing a storm of new gadgets, just a few products really stand out each year. On Monday, Kingston announced one such device. In Las Vegas this week, the company unveiled the world's first 1TB USB stick.

The newly released Google Chrome 24 web browser, the actual version is 24.0.1312.52, promises to be a lot faster than previous releases, which also means faster startup times.

Microsoft released a concept video of the future of gaming using projectors... and FOSS games Red Eclipse and SuperTuxKart.