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  • New Oracle VM Hardware Certifications

    - by Chris Kawalek
    We've received inquiries from the community on certification of Oracle VM 3.0 on HP Proliant systems. We're pleased to update that we've recently completed certification of the HP Proliant systems for Oracle VM 3.0. The newly certified systems are: ProLiant DL980 G7 Hewlett Packard Oracle VM 3.0 x86_64 ProLiant BL680c G7 Hewlett Packard Oracle VM 3.0 x86_64  ProLiant BL465c G7 Hewlett Packard Oracle VM 3.0 x86_64  ProLiant BL460c G7 Hewlett Packard Oracle VM 3.0 x86_64  ProLiant DL380 G7 Hewlett Packard Oracle VM 3.0 x86_64 See this Oracle VM Certified Hardware page for more details. For more information, please go to the Oracle Virtualization web page, or  follow us at :  Twitter   Facebook YouTube Newsletter

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  • How do I revert Alt-tab behavior to switch between windows on the current workspace?

    - by chris.ritsen
    Enabling Bias alt-tab sorting to prefer windows on the current viewport as described here made no difference. How can I get back the exact same behavior as 11.04, so that alt-tab only switches between windows on the current workspace? Simply disabling the alt-tab and shift-alt-tab keybindings on the unity switcher seems to have helped, but it still switches workspaces on me sometimes. For example, if I give a terminal window focus then press alt-tab, it switches to another terminal window on any workspace before trying to switch on the same workspace. Also, the Unity switcher still shows up when I alt-tab then hold alt even though I removed its alt-tab keybinding.

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  • HTG Explains: Live File System vs. Mastered Disc Formats in Windows

    - by Chris Hoffman
    When burning a CD or DVD with Windows, you’ll be asked whether you want to use a Live File System or a Mastered disc format. Each has its own advantages and disadvantages. Windows 7 refers to this as “Like a USB flash drive” or “With a CD/DVD player.” But how exactly can a non-rewritable disc function like a USB flash drive? HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • How To Run Chrome OS From a USB Drive and Use It On Any Computer

    - by Chris Hoffman
    Google only supports running Chrome OS on Chromebooks, but don’t let that stop you. You can put Chrome OS on a USB drive and boot it on any computer, just as you’d run a Linux distribution from a USB drive. If you just want to test Chrome OS, your best bet is running it in a virtual machine. This ensures that you won’t run into any hardware-related issues. Your computer may not be able to run Chrome OS properly. Note: You’ll need a USB drive with at least 4 GB of space for this. 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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  • Web Crawler for Learnign Topics on Wikipedia

    - by Chris Okyen
    When I want to learn a vast topic on wikipedia, I don't know where to start. For instance say I want to learn about Binary Stars, I then have to know other things linked on that pages and linked pages on all the linked pages and so on for the specified number of levels. I want to write a web crawler like HTTracker or something similiar, that will display a heiarchy of the links on a certain page and the links on those linked pages.I wish to use as much prewritten code as possible. Here is an example: Pretending we are bending the rules by grabing links from only the first sentence of each pages The example archives and "processes" two levels deep The page is Ternary operation The First Level In mathematics a ternary operation is an N-ary operation The Second Level Under Mathmatics: Mathematics (from Greek µ???µa máthema, “knowledge, study, learning”) is the abstract study of topics encompassing quantity, structure, space, change and others; it has no generally accepted definition. Under N-ary In logic,mathematics, and computer science, the arity i/'ær?ti/ of a function or operation is the number of arguments or operands that the function takes Under Operation In its simplest meaning in mathematics and logic, an operation is an action or procedure which produces a new value from one or more input values ------------------------------------------------------------------------- I need some way to determine what oder to approach all these wiki pages to learn the concept ( in this case ternary operations )... Following along with this exmpakle, one way to show the path to read would a printout flowout like so: This shows that the first sentence of the Mathematics page doesn't link to the first sentence of pages linked on ternary page two levels deep. (Please tell me how I should explain this ) --- In otherwords, the child node of the top pages first sentence, ternary_operation, does not have any child nodes that reference the children of the top pages other children nodes- N-ary and operation. Thus it is safe to read this first. Since N-ary has a link to operations we shoudl read the operation page second and finally read the N-ary page last. Again, I wish to use as much prewritten code as possible, and was wondering what language to use and what would be the simpliest way to go about doing this if there isn't already somethign out there? Thank You!

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  • 6 Ways To Customize the Windows 8 Start Screen

    - by Chris Hoffman
    While you can’t get rid of the Start screen in Windows 8, there are lots of ways to customize the look and feel of the Start screen and make it your own. In addition to removing tiles you don’t want to see, you can turn the Start screen into a full-screen desktop application, folder, and website launcher. You can tone the colors down or use an even more colorful design. 7 Ways To Free Up Hard Disk Space On Windows HTG Explains: How System Restore Works in Windows HTG Explains: How Antivirus Software Works

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  • HTG Explains: What is DNS?

    - by Chris Hoffman
    Did you know you could be connected to facebook.com – and see facebook.com in your web browser’s address bar – while not actually being connected to Facebook’s real website? To understand why, you’ll need to know a bit about DNS. DNS underpins the world wide web we use every day. It works transparently in the background, converting human-readable website names into computer-readable numerical IP addresses. Image Credit: Jemimus on Flickr How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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  • Launchpad: Missing build dependencies even though dependency should be contained in uploaded package

    - by Chris
    I want to backport gcc-4.7 from raring to precise. So I ran backportpackage and uploaded gcc-4.7 to my PPA. However, when Launchpad tries to build it it complains about a missing dependency: Dependency wait on rhenium (virtual64) Missing build dependencies: libx32gcc1 Started on 2013-10-24 Finished on 2013-10-24 (took 2 minutes, 46.6 seconds) From looking at the package info for gcc-4.7 it seems that this should also be contained in the gcc-4.7 package that has been backported. What do I need to do to make Launchpad find this and build my package?

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  • 4 Easy Ways to Remotely Print Over the Network or Internet

    - by Chris Hoffman
    Remote printing doesn’t have to be hard, whether you want to print to a printer down the hall or half-way around the world. We’ll cover some simple ways you can print without being directly connected to your printer. We’re going to focus on the easiest options here. We’re won’t cover setting up the Internet Printing Protocol (IPP) or JetDirect and allowing it through your firewall or complicated Windows networking configurations, as these are options best-suited for the IT Professional.    

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  • PHP-based indexing and search implementation

    - by Chris
    Is there such thing? I designed a while back a rudimentary form based app for my users. We receive from our suppliers hardware manufacturing data in XML files: file name is made of eleven fields separated by tildes, with each field having its own meaning. R&D guys wanted to be able to search each field of the file names so I used regex() with decent results. Problem is that we have now in the upwards of 2.5 million files. And my app can't hack it anymore. I looked at Apache Lucene & Solr. Though it seemed like the best solution to my problem, the fields in the filenames are not peers to the file content. Big no-no with Solr. What is the best way to implement a PHP app with indexing and search capability with such large number of files? Do I have to buy Zend and use Zend_Search? Is it the only way? Thanks for your input.

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  • How should I study a competitor's off page SEO?

    - by Chris Adragna
    What are the things I need to do, and with what tools to know what a competitor has working for him/her off-page (free and paid tools -- please suggest both)? First of all, I'm supposing I want to see all of the sites linking in and see what anchor text is used. Is there something that would report on the anchor text linking in, such as counting the keyword phrases used as anchor text? Also, it would be helpful to see where the PR is coming from by PR, such as, listing inbound links by PR of the page linking in. Lastly, if I'm missing something, here in the way of off-page attributes, please say so.

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  • Microsoft Dog Food Days

    - by Chris Haaker
    There is a free two-day event called "Dog Food Conference 2012" being held at the Microsoft offices in Columbus, Ohio (home to my beloved Ohio State Buckeyes) that looks to be promising. It covers a wide-array of technologies with a Microsoft focus and some other things pertinent to the IT community. From the site: "This is a local conference by community IT professionals showcasing Microsoft technologies. There will be speakers from MS Gold Certified Partners, MS MVPs, IT authors, community leads, and MS Corp subject matter experts."

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  • How To Remote Control Your Home Computer From Anywhere With VNC

    - by Chris Hoffman
    VNC allows you to remotely access a computer and use its desktop, either over the Internet or from another room in your house. Windows includes a Remote Desktop feature, but it’s only available in Professional editions of Windows. Some people may prefer TeamViewer or another service instead, but VNC allows you to install and manage your own server without using a centralized service. VNC clients and servers are available for all platforms, but we’ll be covering Windows here. Image Credit: photosteve101 on Flickr How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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  • How get and set accessors work

    - by Chris Halcrow
    The standard method of implementing get and set accessors in C# and VB.NET is to use a public property to set and retrieve the value of a corresponding private variable. Am I right in saying that this has no effect of different instances of a variable? By this I mean, if there are different instantiations of an object, then those instances and their properties are completely independent right? So I think my understanding is correct that setting a private variable is just a construct to be able to implement the get and set pattern? Never been 100% sure about this.

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  • Some Early Considerations

    - by Chris Massey
    Following on from my previous post, I want to say "thank you" to everyone who has got in touch and got involved – you are pioneers! An update on where we are right now: paper prototypes v1 To be more specific, we’ve picked two of the ideas that seem to have more pros than cons, turned them into Balsamiq mockups, and are getting them fleshed out with realistic content. We’ll initially make these available to the aforementioned pioneers (thank you again), roll in the feedback, and then open up to get more data on what works and what doesn’t. If you’ve got any questions about this (or what we’re working on right now), feel free to ask me in the comments below. I’ve had a few people express an interest in the process we’re going through, and I’m more than happy to share details more frequently as we go along – not least because you, dear reader, will help us stay on target and create something Good. To start with, here’s a quick flashback to bring you all up to speed. A Brief Retrospective As you may already know, we’re creating a new publishing asset specifically focused on providing great content for web developers. We don’t yet know exactly what this thing will look like, or exactly how it will work, but we know we want to create something that is useful different. For my part, I’m seriously excited at the prospect of building a genuinely digital publishing system (as opposed to what most publishing is these days, which is print-style publishing which just happens to be on the web). The main challenge at this point is working out our build-measure-assess loop to speed up our experimental turn-around, and that’ll get better as we run more trials. Of course, there are a few things we’ve been pondering at this early conceptual stage: Do we publishing about heterogeneous technology stacks from day 1, or do we start with ASP.NET (which we’re familiar with) & branch out later? There are challenges with either approach. What publishing "modes" are already being well-handled? For example, the likes of Pluralsight, TekPub, and Treehouse have pretty much nailed video training (debate about price, if you like), and unless we think we can do it faster / better / cheaper (unlikely, for the record), we should leave them to it. Where should we base whatever we create? Should we create a completely new asset under a new name, graft something onto Simple-Talk (like the labs), or just build something directly into Simple-Talk? It sounds trivial, but it does have at least some impact on infrastructure and what how we manage the different types of content we (will) have. Are there any obvious problems or niches that we think could address really well, or should we just throw ideas out and see what readers respond to? What kind of users do we want to provide for? This actually deserves a little bit of unpacking… Why are you here? We currently divide readers into (broadly) the categories: Category 1: I know nothing about X, and I’d like to learn about it. Category 2: I know something about X, but I’d like to learn how to do something specific with it. Category 3: Ah man, I have a problem with X, and I need to fix it now. Now that I think about it, I might also include a 4th class of reader: Category 4: I’m looking for something interesting to engage my brain. These are clearly task-based categorizations, and depending on which task you’re performing when you arrive here, you’re going to need different types of content, or will have specific discovery needs. One of the questions that’s at the back of my mind whenever I consider a new idea is “How many of the categories will this satisfy?” As an example, typical video training is very well suited to categories 1, 2, and 4. StackOverflow is very well suited to category 3, and serves as a sign-posting system to the rest. Clearly it’s not necessary to satisfy every category need to be useful and popular, but being aware of what behavior readers might be exhibiting when they arrive will help us tune our ideas appropriately. < / Flashback > We don’t have clean answers to most of these considerations – they’re things we’re aware of, and each idea we look at is going to be best suited to a different mix of the options I’ve described. Our first experimental loop will be coming full circle in the next few days, so we should start to see how the different possibilities vary between ideas. Free to chime in with questions and suggestions about anything I’ve just brain-dumped, or at any stage as we go along. If you see anything that intrigued or enrages you, or just have an idea you’d like to share, I’d love to hear from you.

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  • Antenna Aligner part 1: In the beginning.

    - by Chris George
    Picture the scene, it's 9pm, I'm in my caravan (yes I know, I've heard all the jokes!) with my family and I'm trying to tune the tv by moving the aerial, retuning, moving the aerial again, retuning... 45 mins and much cursing later I succeed. Surely there must be an easier way than this? Aha, an app; there must be an app for that? So I search in the AppStore for such an app, but curiously drew a blank. Then the seeds of the idea started to grow. I can code, I work in a software house with lots of very clever people, surely I can make an app that points to the nearest digital tv transmitter! Not having looked into app development before, I investigated how one goes about making an iPhone app and was quickly greeted by a now familiar answer "Buy a mac!". That was not an option for many reasons, mostly wife related! My dreams were starting to fade until one of my colleagues pointed out that within Red Gate, the very company I work for, there was on-going development on a piece of software that would allow me to write an app using Visual Studio on a Windows machine, Nomad! Once I signed up for the beta program I got to work learning the Jquery mobile / Phonegap framework. Within a couple of hours I had written (in Visual Studio), built in the cloud (using Nomad) and published (via TestFlight) my first iPhone app onto my iPhone ! It didn't do much, but it was a step in the right direction. To be continued...

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  • Where is he now?

    - by Chris G. Williams
    A couple months ago, I announced I was leaving Magenic in order to take a break from consulting. I figured I'd post an update as to what I'm doing now, since I haven't exactly been slacking off.1) I accepted a position as a Lead Developer with RealPage. I work on a number of internal use applications for a subsidiary known as LevelOne. The majority of my work is in ASP.NET, a surprising amount of VB.NET, some C# and I'm picking up a few new tools for my belt... specifically Python, MongoDB and Perl.2) I am still the owner of Big Robot Games, a retail game store / coffee shop in the South Carolina upstate region. I'm not as involved in the day to day activity as I was, but I'm there most nights and weekends, when I'm not off doing other things, like #3.3) I am on the staff of Rock Revolt Magazine as a journalist, covering live performances as well as interviewing bands, providing album & video game reviews, fixing the website and the occasional prison ink. (Just kidding on that last one.)4) In whatever time is leftover, I still manage to bang out a little code on Heroic Adventure! (aka HA!) and talk about Windows Phone, XNA and whatever else suits me, wherever they'll let me.I guess that's about it.

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  • December events for Oracle VM

    - by Chris Kawalek
    Where in the world is Oracle VM in December? Whether you are in the US, Asia or the UK, you can find us in December at any of the events below: UK Oracle User Group Conference 2012 Birmingham, United Kingdom December 1st – 5th, 2013 Check out the Oracle Virtualization Strategy and Roadmap Session on December 5 Gartner Data Center Conference 2012 Las Vegas, Nevada, USA December 3rd – 6th, 2013 Visit the Oracle Booth to learn about Oracle VM and Optimized Data Center Solutions. NetApp Insight Sheraton Macau, Macau, China December 11-13, 2013 Oracle VM & NetApp Storage Connect integrated solutions to simplify virtualized infrastructure management

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  • 5 Ways To Quickly Launch Programs On Windows

    - by Chris Hoffman
    Do you still launch programs on Windows by hunting down a desktop shortcut and double-clicking it? There are better ways – Windows has several built-in tricks for quickly launching applications. Even if you know all the built-in tricks, you may want to try out Launchy or another third-party launcher – some people swear by them. They offer more features than the Start menu search built into Windows. HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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  • We really only have ONE rule...

    - by Chris G. Williams
    Had to show someone the door today... bummer.     At Big Robot Games we really only have one rule and it's not all that complex:   If you're going to hang out here all day, you should satisfy AT LEAST one of the following criteria: 1) You buy some food and/or drinks. 2) You occasionally buy product. 3) You play as part of a sanctioned tournaent or gaming group. 4) You act like you have some sense (i.e. have manners.)   We would love it if you manage to do all of the above, of course, but we're really perfectly content to settle for only getting a 1-2 of them at a time.    We don't have a problem with people bringing food in, and we understand that you aren't going to buy a game every time you come here. And yes, we know that people enjoy hanging out here with their friends. We can even overlook your odd quirks and personality issues, provided you're spending a little money once in a while (this IS a BUSINESS, after all.)   However... if you can't manage to do ANY of the things I listed above, and then you get lippy with me about it, well... it's time to say goodbye.

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  • Welcome to our Friday tips series!

    - by Chris Kawalek
    Today we're starting a brand new blog series. For your Friday afternoon reading, we'll be posting a technical tip or question and answer on a technical topic. We'll start by introducing ideas on our own, but we'd really like it if you were involved and asked us questions via Twitter! Tag your tweet with #AskOracleVirtualization and we'll consider your question for the blog. Today's tip is on Storage and Oracle Virtual Desktop Infrastructure: Question: I run Oracle Virtual Desktop 3.4.1 on Solaris and use a local ZFS storage pool.  How should I configure my ZFS ARC cache?  Answer by John Renko, Consulting Developer, Oracle: Oracle recommends about 5G of ARC cache per template in use to achieve up to a 90% disk read offload. Set your ARC min=max to reserve the maximum amount of your remaining memory for your running VMs. In /etc/system: set zfs:zfs_arc_min = 5368709120 set zfs:zfs_arc_max = 5368709120 The amount you need to reserve will depend on your template but this has proven to be a great start for a typical windows 7 VM running productivity applications.

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  • How To Enable Do Not Track In Every Web Browser

    - by Chris Hoffman
    We’ve covered why “Do Not Track” isn’t a silver bullet that prevents you from being tracked. However, if you don’t like being tracked and want to express that preference to websites, you can enable “Do Not Track” in every browser. To Google’s credit, future versions of Chrome explain exactly what Do Not Track does when you enable it. Remember that, by enabling Do Not Track, you’re just expressing a preference. Websites may or may not obey your preference. Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference

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  • Do I need to notify a user if I am using statistics software in an iPhone app?

    - by Chris
    Hello, I am currently creating a (very simple) Objective-C client to send basic statistical data to my server for an iPhone app - just things like the state of the app (first-launch or launch, error, etc), along with the make/model/version (i.e.: "iPod touch 4.2"). No personally identifiable information or location data is sent. Is there anything, in the Apple Developer agreement or otherwise, that states that I must notify the user if I am doing this? I'm not interested in selling the data or anything, I just want to use the data to make my apps better. I am not adverse to telling the user I am doing this if it is required, I just don't want to scare the users (the paranoid "oooh, they're tracking me, they know exactly where I am" crowd) if I don't have to. Thanks for any advice.

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  • x server startx error?

    - by Chris
    root@thewhitewox:~# startx X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-29-server i686 Ubuntu Current Operating System: Linux thewhitewox 2.6.18-238.9.1.el5.028stab089.1 #1 SMP Thu Apr 14 14:06:01 MSD 2011 i686 Kernel command line: quiet Build Date: 20 October 2011 03:05:54PM xorg-server 2:1.7.6-2ubuntu7.10 (For technical support please see ww w.ubuntu . com/support) Current version of pixman: 0.16.4 Before reporting problems, check http: //wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Tue Nov 15 00:50:32 2011 (==) Using config directory: "/usr/lib/X11/xorg.conf.d" Fatal server error: xf86OpenConsole: Cannot open /dev/tty0 (No such file or directory) Please consult the The X.Org Foundation support at http ://wiki.x.org for help. Please also check the log file at "/var/log/Xorg.0.log" for additional information. ddxSigGiveUp: Closing log What does this mean and how can I fix it?

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  • Are you ready to grow that Mo (moustache)? Movember is coming

    - by Chris Hammond
    Well here we are, nearing the end of the month of October and coming up on the month of N Movember once again. We here at DNNCorp are in our third year of supporting the Movember cause, growing facial hair on our upper lips to raise awareness and money for men’s health issues. Anyone can participate in Movember, and if you sign up, join a team, you can order some free materials from the Movember organization that you can use to help try and raise funds. The rules for Movember are simple. Start clean...(read more)

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