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• GnuPG v1.4.10 cant read

  - by Nicky Bailuc

  I was thinking of "Getting Involved" with Ubuntu and decided to join the Bug Squad. After a few steps of joining, I got an email with a OpenPGP key licenced at Gnu version 1.4.10 and went on their website. They recommended me a couple of apps that can decode the code, but none of them worked, in fact each of them said that the code is corrupted. I thought that there's something wrong with that email, so I resent the request. As I got another email and tried the code with those programs, the programs said the same thing. How can I decode the code properly? Is there an online way of doing it? Any suggestions?

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• Is there a way to prevent others to steal your open source project and use it to make a profit?

  - by Jubbat

  This might seems like a silly question to ask, but I can't really figure out the answer. The title pretty much says it all. Let's say you have an open source music player, along comes someone, copies it, adds features, modifies the interface, etc and sells it. Nobody would find out. So how does it work? Related: I'm working in some projects myself to make me more employable, so employers can take a look at my code but with some of them I don't feel like uploading them to an online repository, ie sourceforge, and make them visible for the general public.

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• Is it risky to install KDE on Ubuntu alongside Unity and Gnome?

  - by Vagrant232

  The last time I installed KDE and Gnome on the same OS (Opensuse 12.1), GDM and KDM started conflicting and they both stopped working properly and I was plagued with applications from both environments till the point the applications overview in gnome was flooded with useless KDE trash. Moreover, I still had parts of the KDE desktop appearing when I'm running Gnome (such as the password manager and kde fonts and some apps refused to give up the oxygen theme). If I install the plasma-desktop package on Ubuntu, am I at risk of having such issues? I just want KDE with the bare minimum number of applications; just the necessary ones to make things work. I'd rather not have dolphin installed either. Also, is it all right to install the kde-standard pack? Or should I just stick to the plasma-desktop pack?

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• Forbes Article on Big Data and Java Embedded Technology

  - by hinkmond

  Whoa, cool! Forbes magazine has an online article about what I've been blogging about all this time: Big Data and Java Embedded Technology, tying it all together with a big bow, connecting small devices to the data center. See: Billions of Java Embedded Devices Here's a quote: By the end of the decade we could see tens of billions of new Internet-connected devices... with billions of Internet- connected devices generating Big Data, are the next big thing. ... That’s why Oracle has put together an ecosystem of solutions for this new, Big Data-oriented device-to-data center world: secure, powerful, and adaptable embedded Java for intelligent devices, integrated middleware... This is the next big thing. Java SE Embedded Technology is something to watch for in the new year. Start developing for it now to get a head-start... Hinkmond

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• When clicking below window title bar in KDE, window dragging is initiated. Can I change this behavior?

  - by hdpq

  this one is regarding KDE in Ubuntu 12.04. The thing is that whenever I click below the window title bar in KDE, the window manager always assumes I want to drag the window, not just activate it. Clicking the title bar activates the window without dragging it just fine, however I sometimes find it hard to click because it's rather narrow :) Is there any way to change this behavior (besides the obvious "make your title bar larger" thing)? I also assume this is happening to Gtk applications only (Firefox, Thunderbird, Synaptic), as I have tried it with several KDE apps (KWrite, KTorrent, Gwenview, Konsole) and noticed no such behavior. Thanks in advance!

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• Are there any good html 5 mmo design tutorials? [on hold]

  - by Dwight Spencer

  Hey all. I got a rather inspired after playing gaia online's zOMG and wanted to revive an old project idea I've had laying around for a few years now. I'm looking to work with html5 (ie canvas, svg based sprites, & WebGL) to build a graphical web based MUD/MMO. Obviously, this is a new take on an old idea and after searching google I haven't really turned up many good resources. But does anyone have any tutorials or other resources to point me in the right direction?

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• Enable Parental Controls in Windows 7

  The Internet is a fascinating yet scary world. This is especially true for those with young children who are just making their way online. As a parent it s not really plausible for you to be by your child s side at all times. Thus when they are using the computer you could probably use some help in monitoring their actions. Luckily Windows 7 s Parental Controls feature can help.... Microsoft? Cloud Power See How Companies are Using the Cloud to Cut Costs. Watch a Demo.

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• Ubuntu One synching changed files

  - by Mark

  I have several folders in the Ubuntu1 folder and if I add a new file (on my PC oder my Mobile) the file shows up in the other device or in the online access. However, if I change one of the files (like a spreadsheet I change almost daily on my PC) Ubuntu1 is not updating the changed file. It is still the old file on the other devices. Doesn't Ubuntu1 sync changed files only new ones or do I have to change some settings? Could someone be so nice and help me? Thanks in advance! Mark PS: I am using Ubuntu 11.10 64 bit.

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• Humble Indie Bundle V: Psychonauts, Superbrothers, and More at a Name Your Own Price

  - by Jason Fitzpatrick

  There’s a new Humble Indie with some fantastic DRM-free and cross-platform offerings and, most importantly, some fantastic games. Score a copy of Psychonauts for the best price in town! But seriously: if you’re looking to game on a budget this Humble Indie Bundle is an absolute gem. For a few bucks (that you can even opt to donate to charity) you can score five awesome games including Psychonauts. I enjoyed Psychonauts so much I’d happily pay the full original retail just to play it again. In addition, the full soundtracks for each game are included with your purchase. Hit up the link below for more information. Humble Indie Bundle V is available until 6PM EST, 6/14/2012. The Humble Indie Bundle V HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting

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• which service to use among Amazon's free tier for Java app

  - by vikas devde

  this is the first time I am going to host a java app, Amazon offers a free tier which provides free usage for one year, and I am going to use it. But there are so many services (S3, EC2, etc etc), I cant figure out which service is for web hosting, which service is for what use, their docs is so huge, I am confused, what to read. can anybody write some good points, about which service to use specifically for Java apps, how much I will be charged, and they ask for credit/debit card credential for signup, does it mean they will debit me even in the free period?

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• Webinar: Oracle Commerce Best Practices for the Communications Industry

  - by Jeri Kelley

  In today’s volatile economy, Communications Service Providers are challenged to offer a complete, cross-channel commerce experience. With Oracle Commerce solutions, CSPs can get closer to customers and gain valuable insight to maximize ROI across all commerce activities. Join us for a  live webcast on September 26th with featured speakers Raghavendra Ademane, Omni-Channel Commerce Consultant at Professional Access and Brenna Johnson, Product Manager, Oracle and learn how you can manage and deliver commerce experiences for Communications that engage customers and promote loyalty. The panelists will guide you through a number of topics including: Current Communications market trends, opportunities and challenges Introduction to the Oracle Commerce solution with case studies Demonstration of the solution for Communications with live Q&A Register today and learn how Oracle's latest innovations for Communications can help you increase online sales and enhance cross-channel commerce interactions.

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• RIA Services and Validation

  Earlier today, my SilverlightTV recording on RIA Services and Validation went online. I used validation as a feature area to focus on this first recording on RIA Services, because I think it illustrates both the RIA Services value proposition and key elements of the vision around the project in a very direct manner. Specifically: Focus on end-to-end solutions for data scenarios. It is not sufficient to just address querying data or submitting some changes, but about providing the infrastructure...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Q1 2010 SP1 versions of Telerik ASP.NET AJAX and MVC suites are live

  The Q1 2010 SP1 releases of RadControls for ASP.NET AJAX and Telerik Extensions for ASP.NET MVC are available for download. Lots of fixes and several new features/enhancements are incorporated in these SP releases. The highlight with this drop we announce official support for VS 2010/.NET 4 RTM. Find more details browsing the online demos, documentation and release notes below: RadControls for ASP.NET AJAX Release notesDemos DocumentationTelerik Extensions for ASP.NET MVCRelease notes Demos DocumentationDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How To Make Images, Music, Video, and PDF Files Open On The Desktop in Windows 8

  - by Chris Hoffman

  Windows 8 opens many types of files in the Windows 8 interface formerly known as Metro by default. If you’re at the desktop and double-click many types of media files, you’ll see a full-screen media viewer. You can easily prevent these media files from opening in the full-screen Windows 8 apps when you double-click them. All you have to do is change your default programs. What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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• When can I be sure a directed graph is acyclic?

  - by Daniel Scocco

  The definition for directed acyclic graph is this: "there is no way to start at some vertex v and follow a sequence of edges that eventually loops back to v again." So far so good, but I am trying to find some premises that will be simpler to test and that will also guarantee the graph is acyclic. I came up with those premises, but they are pretty basic so I am sure other people figured it out in the past (or they are incorrect). The problem is I couldn't find anything related on books/online, hence why I decided to post this question. Premise 1: If all vertices of the graph have an incoming edge, then the graph can't be acyclic. Is this correct? Premise 2: Assume the graph in question does have one vertex with no incoming edges. In this case, in order to have a cycle, at least one of the other vertices would need to have two or more incoming edges. Is this correct?

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• Oracle Commerce Best Practices for the Communications Industry

  - by Michael Seback

    In today’s volatile economy, Communications Service Providers are challenged to offer a complete, cross-channel commerce experience. With Oracle Commerce solutions, CSPs can get closer to customers and gain valuable insight to maximize ROI across all commerce activities. Join us for a  live webcast on September 26th with featured speakers Raghavendra Ademane, Omni-Channel Commerce Consultant at Professional Access and Brenna Johnson, Product Manager, Oracle and learn how you can manage and deliver commerce experiences for Communications that engage customers and promote loyalty. The panelists will guide you through a number of topics including: Current Communications market trends, opportunities and challenges Introduction to the Oracle Commerce solution with case studies Demonstration of the solution for Communications with live Q&A Register today and learn how Oracle's latest innovations for Communications can help you increase online sales and enhance cross-channel commerce interactions.

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• Microsoft Prepares 64 GB Zune HD for Upcoming Release

  To hopefully increase its market share in the ever-competitive world of MP3 players Microsoft has announced that it will release the new 64 GB version of the Zune HD on April 12 2 1 . The 64 GB version of the Zune HD provides much more storage capacity than the previously-released 16 GB and 32 GB versions of the player that were released to the public in September of 2 9.... Business Productivity Online Suite From $10 per user per month. Includes a 12-month subscription. Min 5 seats.

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• Independent projects as a student to show off abilities

  - by tufcat

  I'm an inexperienced student (having learned up to data structures and algorithms through various online resources) of computer science, and I'm hoping to get a job as a developer some time after I've gotten a few independent projects done. My question is, how should I choose which projects to work on? I've been looking around stackoverflow-- people usually say to pick whatever you're interested in, but I don't have enough experience to even know what specifically I'm interested in, and possibly more importantly, I don't know what some common beginner project types are. Essentially, I'm at the gap between course work (and the projects entailed in those classes) and real programming, and I don't quite know how to start. If any of you have any ideas, I'd really appreciate it.

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• What programming language should I learn for fun?

  - by Bo Milanovich

  Disclaimer: I'm not a programmer, but I do like coding from time to time. This is strictly for fun, nothing else. I'm an economist :) I learned Delphi in the past (7 years ago, forgot 99% of it), BASIC (10 years ago). I now know a bit of PHP. So I want to learn a programming language just so I can kill some time, but it'd be awesome if it would be useful as well. I've narrowed down choices to the following: Python (heard it was easy yet useful, Google's appengine runs on python) Java (awesome because cross-platform and very popular, also I'm an Android fan so I might even develop some apps) Continue learning PHP? (awesome language, I'm a web developer somewhat so it may be useful) Something else? Thanks!

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• Satellite L640 Battery Applet Problem

  - by Dean

  Hayy guy i got a satellite l640 and i installed ubuntu 12.04 on it and i dont get the battery percentage ive tried a fair bit but this is my first time using linux. Ive gone into the power option and ive installed battery status apps and still i get nothing. There was one saying how much amps and what not the battery has and it all has 0.00 for everything, ive also tried the terminal cammands to see the percentage and that doesnt work. Is there anything i can do or should i just got back to windows.

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• How do I consistently activate USB speakers

  - by Andrew.Healy

  I have a pair of Ricco USB speakers. As these are external, I sought to use them with 11.10. They are recognised by 'aplay -l' and Pulseaudio- I have selected them, but, have to reset the volume, every time I log on. I can also only recieve feedback and sound from apps and programs- like Kaffeine- on this boosted volume- I cannot get System Sounds, like logon or logoff. I have tried the alsamixer install that used to work, to no effect. Is their an app that I should be trying or is this feat impossible ? I have tried to delete all the files in .pulse and rebooting or just deletion of the entire .purge directory, as Michael K suggested- neither work as the directory is automatically rewritten on reboot. Ideas?

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• Java web UI framework like ASP.NET MVC?

  - by Ethel Evans

  I'm doing some web apps for personal projects that might be shared out with my friends. I'm trying to use skills that will help me at work, but don't have $$ to spend on Visual Studio right now and don't want to try to cobble something together with Express Editions. Since I've been sort of wanting to bring my Java skills up to date and the main skills I want to work on are design and architecture skills, this isn't a big deal - except that I have no idea how to track down the right UI framework. I know I want something based on MVC, to get more practice with frameworks for that design pattern (we're using ASP .NET MVC2 at work). The UIs that I'll be making will be pretty simple - data entry, buttons, text, images. They will need AJAX. Any thoughts about which frameworks to look at? I'll be watching the comments, if anyone wants additional clarification on what I'm looking for.

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• Architecture for subscription based application

  - by John

  This is about the architecture of my application I think. I have a Rails application where companies can administrate all things related to clients. Companies can buy a subscription and their users can access the application online. Hopefully I will get multiple companies subscribing to my appplication/service. Thing is, what should I do with my code and database? Seperate app code base and database per company One app code base but seperate database per company One app code base and one database The decision I am to make involves security (e.g. user from company X should not see any data from company Y) performance (let's suppose it becomes successful, it should have a good performance) and scalability (again, if successful, it should have a good performance but also easy for me to handle all the companies, code changes, etc) For sake of maintainability, I tend to opt for the one code base. For the database I really don't know at this moment. So what do you think is the best option?

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• I want a trivial example of where MongoDB can scale but a relational database will have trouble

  - by Ryan Weir

  I'm just learning to use MongoDB, and when discussing with other programmers would like a quick example of why NoSQL can be a good choice compared to a traditional RDBMS - however the scenarios I come up with and can find online seem pretty contrived. E.g. a blog with lots of traffic could be represented relationally, but will require some performance tuning and joins across tables (assuming full denormalization is being used). Whereas MongoDB would allow direct retrieval from one collection to the same effect. But the response I'm getting from other programmers is "why not just keep it relational and then add some trivial caching later?" Does anybody have a less contrived example where MongoDB will really shine and a relational db will fall over much quicker? The smaller the project/system the better, because it leaves less room for disagreement. Something along the lines of the complexity of the blog example would be really useful. Thanks.

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• Oracle Optimized Storage Launch - July 18, 2012

  - by Cinzia Mascanzoni

  Join us for this online Storage launch event featuring Mark Hurd and John Fowler on July 18, 2012, as they unveil the latest advances in Oracle optimized storage. Learn how we’re helping enterprises simplify their storage, increase data management efficiency, and use storage to drive business innovation. Three webcasts, one event. Highlights include: The unveiling of our new "Oracle optimized storage" messaging - storage that helps customers cut IT cost and complexity so they can unleash business innovation A roundtable discussion with our NAS, SAN &Tape VPs of Engineering Four new customer testimonial videos The announcement of the new StorageTek SL 150 Tape Library Live Q&A chat throughout the event with Oracle experts Register here today.

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