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  • Why does F. Wagner consider "NOT (AI_LARGER_THAN_8.1)" to be ambiguous?

    - by oosterwal
    In his article on Virtual Environments (a part of his VFSM specification method) Ferdinand Wagner describes some new ways of thinking about Boolean Algebra as a software design tool. On page 4 of this PDF article, when describing operators in his system he says this: Control statements need Boolean values. Hence, the names must be used to produce Boolean results. To achieve this we want to combine them together using Boolean operators. There is nothing wrong with usage of AND and OR operators with their Boolean meaning. For instance, we may write: DI_ON OR AI_LARGER_THAN_8.1 AND TIMER_OVER to express the control situation: digital input is on or analog input is larger than 8.1 and timer is over. We cannot use the NOT operator, because the result of the Boolean negation makes sense only for true Boolean values. The result of, for instance, NOT (AI_LARGER_THAN_8.1) would be ambiguous. If "AI_LARGER_THAN_8.1" is acceptable, why would he consider "NOT (AI_LARGER_THAN_8.1)" to be ambiguous?

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  • Unable to install VMWare Workstation v8

    - by pst007x
    Installing VMware 8.0.2 64bit Ubuntu 12.04LTS 64bit BETA My Kernel version is: 3.2.0-20-generic pst007x@pst007x-Aspire-5741:~$ sudo sh VMware-Workstation-Full-8.0.2- 591240.x86_64.bundle Installs ok When I launch I am asked to install modules which are compiled and loaded into the running kernel. A window opens VMware Kernel Module Updater This fails on Virtual Network Device ERROR LOG. UPDATE: PATCH. When I try to add patch, following error: pst007x@pst007x-Aspire-5741:~$ sudo sh patch-modules_3.2.0.sh [sudo] password for pst007x: patch-modules_3.2.0.sh: 27: [: workstation8.0.2: unexpected operator patch-modules_3.2.0.sh: 28: [: workstation8.0.2: unexpected operator Sorry, this script is only for VMWare WorkStation 8.0.2 or VMWare Player 4.0.2. Exiting pst007x@pst007x-Aspire-5741:~$ I have fully un-installed, and re-installed. I am installing the correct version. Probably a problem with the patch. VMware installs perfectly on Ubuntu 11.10 This is how I uninstalled.

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  • Using usbdrive as ram in ubuntu

    - by tachyons
    In windows it is possible to use usb flash drive as a virtual ram. I wonder if it is possible to do so in ubuntu? If it is, how could one do it? [Edit]: I mean Ready boost equivallent for ubuntu. I know that it is not a perfect replacement for ram and it is not advisable for longterm use. Is creating swap file in a usb flash drive similar to it? Will it demonstrate performance gains over a swap file in a Hard Disk Drive?

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  • OUD as a OAM Identity Store

    - by Sylvain Duloutre
    Since 11gR2, OUD can be used natively as a OAM Identity Store. Select  "OUD: Oracle Unified Directory" as Store Type as described here. As an alternate solution, you can also configure OVD as Identity Store with OAM and then configure LDAP adapter for OVD with OUD details.Configuring Identity store for OAM is documented here. Choose "OVD: Oracle Virtual Directory" as store type and provide store details as per the document. Configuring LDAP adapter for OVD is documented here. Provide your OUD details required as per the document.

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  • Microsoft Async CTP for DDD9 UK Developer Conference - slides and source code now available

    - by Liam Westley
    Thanks to all the nice comments from people who attended my presentation at DDD9, and extra thanks to Jon Skeet, Mark Rendle and Mike Hadlow for coming on stage for the last ten minutes to help debate whether the Async CTP is the correct way to go to enhance C# 5.0. The presentation is available at Prezi.com http://prezi.com/gysz5nohltye, which I can recommend as a refreshing change to the more standard PowerPoint slidedecks. I've also uploaded all the code samples into a single ZIP file. You will need to install the Async CTP to be able to run them, and I would remind everyone that the current Async CTP is not compatible with either ASP.NET MVC 3 RTM or Visual Studio 2010 Service Pack 1 so you may need to use a test system of virtual machine to play with it! Source code - http://www.tigernews.co.uk/blog-twickers/ddd9/AsyncSrc.zip Again, thanks for all the positive feedback and the whole of the DDD team for putting on a fantastic conference for all the presenters and delegates.

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  • Keyboard freezes when xorg crashes.

    - by gsedej
    Situation is like that. Many times has happened that Xorg freezes and with it also keyboard. Quite some times because of some Compiz effects or Flash (fullscreen switch). Keyboard becomes totaly unresponsive, while mouse still works (I can move cursor, but can't click since desktop freezes) and music still plays and I can connect trough ssh. This is the only way I know I can try to solve problem - either by killing browser&flash or lastly restarting xorg server. This problem appears on more than one Ubuntu computer. My home dekstop with proprietery nvidia driver, on my work where I use noveau driever (opensource driver for geforce) and sometimes (but rarely) also on laptop with ATI graphics (using r300g driver which is really good!). Can someone explains why mouse still works while I can't input from keyboard? (I can't switch to virtual console or do R-E-I-S-U-B command) I have USB keyboard and USB mouse.

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  • Oracle OpenWord 2012 - Managing Storage in the Cloud

    - by jwalker
    At Oracle OpenWorld this year attendees will get experience using the Sun ZFS Storage Appliance during the Managing Storage in the Cloud Hands-On-Lab. Using Sun ZFS Storage, we will be provisioning Oracle Enterprise Linux Virtual Machines and filesystem shares that can be used with Oracle Database. We will also be using Oracle DTrace Analytics to analyze I/O workloads and drill down to see how the storage is really being used. Hope you can join us! Session ID: HOL10034 Session Title: Managing Storage in the Cloud Speakers: Brian Haskins, Nagendran J, Paul Johnson, Karlheinz Vogel and Jim Walker Venue and Room: Marriott Marquis - Salon 14/15 Date and Times: Monday October 1 - 3:15-4:15PM, Tuesday October 2 - 5:00-6:00PM Oracle OpenWorld Storage Sessions

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  • Multiplayer Game Listen Servers: Ensuring Integrity

    - by Ankit Soni
    I'm making a simple multiplayer game of Tic Tac Toe in Python using Bridge (its an RPC service built over a message queue - RabbitMQ) and I'd like to structure it so that the client and the server are just one file. When a user runs the game, he is offered a choice to either create a game or join an existing game. So when a user creates a game, the program will create the game and also join him as a player to the game. This is basically a listen server (as opposed to a dedicated server) - a familiar concept in multiplayer games. I came across a really interesting question while trying to make this - how can I ensure that the player hosting the game doesn't tamper with it (or atleast make it difficult)? The player hosting the game has access to the array used to store the board etc., and these must be stored in the process' virtual memory, so it seems like this is impossible. On the other hand, many multiplayer games use this model for LAN games.

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  • Build a LEGO Creation without Leaving Your Cube

    - by Jason Fitzpatrick
    Just because you’re stuck at your desk doesn’t mean you can’t sneak in a little fun. At BuildWithChrome you can slap together virtual LEGO bricks with ease. The site, a collaboration between Google and LEGO, shows you a massive map of Australia and New Zealand covered in thousands of LEGO base plates. Zoom in, select a base plate, and get building. The block selection is fairly limited (you can work with the kind of blocks you’d find in a generic LEGO brick pack) but it’s still quite a bit of fun. When I took it for a test drive, I started simple by building a house-like structure: With the addition of a few more pieces it would be possible to pull off the wizard shop my wife and daughter just built: How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • MySQL port forwarding

    - by Eduard Luca
    I am trying to help a colleague to connect to my MySQL server. However the situation is a bit special, and here's why (let's call him person A and me, person B): Person A has a PC, on which he has a virtual machine, which is in the same network as the actual PC he's running. However person A is also in the same network with person B (a different network). I want the site that lives on A's VM to be able to connect to the MySQL server on B's PC. For this I've thought a port forwarding would be appropriate: from ip-of-person-A:3306 to ip-of-person-B:3306. This way the site would connect to the IP of the PC it's living on (not the VM), which would forward to A's MySQL. I've seen several examples of port forwarding, but I don't think it's what I need, from what I've seen, it's kind of the opposite. So would something like this be achievable?

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  • Cool projects at Codeplex

    - by Tiago Salgado
    There’s a significant number of useful projects at Codeplex who were meeting with some of our needs. As such, here are two that already have been useful to me: Droid Explorer As the name implies, allows us to explore an Android device and has features such as: Copy local files to device Reboot device Reboot device in to recovery mode Open files for viewing / execution locally with the default file type executable Package Manager (Install & Uninstall) Take a Screen Shot (landscape or portrait) etc Virtual Router – Wifi Hot Spot (Windows 7 / 2008 R2) Allows you to create an Access Point, sharing your local Internet connection, with other wireless devices. Its no doubt an application to be always installed, by the simple way to create a resource like this one.

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  • Community Day at SOS Kinderdorf Bambous

    Easter is not only an occassion of public holidays but an opportunity to share and celebrate with your neighborhood. The team of IOS Indian Ocean Software Ltd. spent Easter Monday with the children and "mothers" of SOS Children's Village in Bambous. Together with the employees' family members we enjoyed some wonderful hours together. Starting the community day with a common lunch, IOS contributed mainly stationery, educational gifts and games like Scrabble or Sudoku. And of course, a little give-away with chocolate eggs... The kids are aged between 5 and 18 years. They live together with their village mothers in so-called family houses. The SOS Kinderdorf in Bambous is quite new and started their operations back in 2003, with an official inauguration in May 2005. Actually, I'm really happy about this event and I am looking forward to IOS next community activity. Community off-line and for real people, not only virtual!   PS: Article in L'Express of 09.04.2010

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  • Upcoming Enhancements in AngularJS Integration in NetBeans IDE

    - by Geertjan
    New bleeding edge enhancements in AngularJS support in NetBeans IDE enable many more controllers to be found than in NetBeans IDE 7.4. The next version of NetBeans IDE parses all JavaScript files and checks for defined AngularJS controllers, such as the below: All recognized AngularJS controllers are offered in code completion, as shown below. In other words, code completion works better in finding AngularJS controllers. Another improvement is in the "Go To Declaration" feature. When you click Ctrl+Mouse over the name of a controller inside an NG-controller directive, you will be navigated to the related controller declaration. More accurate results can be shown in code completion mainly because there are changes in the generation of JavaScript virtual sources in an AngularJS page.

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  • Microsoft and Joyent Announce Node.js Windows Port

    With the Node.js command line tool, developers can type ?node my_app.js.' to run JavaScript programs. It gives developers a JavaScript application programming interface (API) supplies access for the network and file system as well. One instance where Node.js often comes in handy is in the creation of scalable networked programs that emphasize high concurrency and low response times. Developers who wish to use Node.js use on Windows at this time must do so running a virtual machine with Linux. Claudia Caldato, Principal Program Manager of Microsoft's Interoperability Strategy Team, offered...

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  • Upgrade from 10.10 to 11:04 to 11.10. X starts, Unity desktop not there

    - by Stefan Lasiewski
    I upgraded my Ubuntu Desktop 10.10 system to 11.04 and then 11.10. Now, when I start Ubuntu, the Unity desktop doesn't start correctly. Here's what I do: Start computer I log in via the GUI login screen The X Window System starts. I can see an arrow icon for the mouse, and can move it around the screen. Nothing else starts. There are no desktop icons, no launcher, no taskbar, etc. Right clicking on desktop does nothing. I've tried some common keyboard shortcuts ("Alt-tab" "Ctrl-Alt-T" "Ctrl-Alt-Backspace") but nothing happens. If I go to another Virtual Console, and run the command unity, the Unity desktop will start on my primary X desktop. However I'm seeing many problems like windows which are only half-drawn, some applications run without the familiar "Minimize, Maximize, Close" What's happening here? It seems that the X Window System started, but Unity did not start? How can I debug this?

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  • Licensing Theme Music from other games

    - by HS01
    As part of my game, I thought it would be fun to make a hidden level that pays tribute to Mario Bros (one of the earliest games I ever played). It would be themed in that way with 8-bit graphics and question mark blocks and completing the level would say "Thank you but the princess is in another castle" or such. For the sound track, I'm thinking of just overlaying the standard mario theme music by playing it on a virtual keyboard using a different instrument/timing or something. My question is, am I legally safe? I'm not using anyone else's actual music, I'm just playing the same tune in a different way myself. Do I have to get licensing for this?

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  • Assign subdomains to separate ports on web server

    - by Michael Frank
    I have set up an Abyss web server as a little experiment, and I want to know if it is possible to assign subdomains to different ports on the machine the web server is running on. I have a couple webUIs that I'd like to assign subdomains: 192.168.1.1:8000 becomes example.com/webui1/ 192.168.1.1:8001 becomes example.com/webui2/ The webUIs are available by accessing their ports via example.com:8000. I have tried using a reverse proxy, but it seems that this is only usable on one internal IP at a time. What other options do I have? Answer is good, but my current set up doesn't meet the requirements. Abyss Web Server X2 is required to use Virtual Hosts with Abyss.

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  • Google I/O 2012 - Monetizing Digital Goods with Google Wallet

    Google I/O 2012 - Monetizing Digital Goods with Google Wallet Joel Leitch, Dan Zink, Pali Bhat Whether you're a game developer selling virtual goods or currencies, or a media developer selling news content, videos, music or any other premium digital media, having an simple way to process payments from your customers is important. In this session, we will walk through an explanation of Google Wallet for digital goods, the new features, and the improved pricing model for developers. In addition, Kabam will share their experience with Google Wallet and best practices for integration. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 307 13 ratings Time: 44:31 More in Science & Technology

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  • E-Business Suite R12 Certified on 2012 Hyper-V Windows Guests

    - by John Abraham
    Oracle E-Business Suite Release 12 (12.1) is now certified on Windows Server 2008 (32-bit) and Windows Server 2008 R2 running as guest operating systems within Window Server 2012 Hyper-V virtual machines. Hyper-V is a built-in feature of Microsoft Windows Server that allows for the creation and management of virtualized computing environments. With this certification, the E-Business Suite is now supported on the above Windows virtualized guest operating systems in a similar way to non-virtualized Windows. References Note 761567.1 - Oracle E-Business Suite Installation and Upgrade Notes Release 12 (12.1.1) for Microsoft Windows Server (32-bit) Note 1188535.1 - Migrating Oracle E-Business Suite R12 to Microsoft Windows Server 2008 R2 Note 1563794.1 - Certified Software on Microsoft Windows Server 2012 Hyper-V Windows Server Hyper-V Overview

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  • How do I get write access to ubuntu files from Windows?

    - by Steven
    I'm running Ubuntu 11.10 on my Virtual Machine as a web server. I've mounted the W:/ drive in Win 7 to my /www folder in Ubuntu. I can read the files, but I'm not able to write to the files. In Samba, I have created the following user: <www-data> = "<www-data>" And given guest ok for the www folder: [www] comment = Ubuntu WWW area path = /var/www browsable = yes guest ok = yes read only = no create mask = 0755 ;directory mask = 0775 force user = www-data force group = www-data I've also run sudo chmod -R 755 www to make ensure correct rw access. What am I missing in order to get write access to my ubuntu files from Windows?

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  • Ubuntu user credentials, file permissions

    - by user9843
    I am using Ubuntu 10.10 for web development by using the symfony framework. Normally I install Ubuntu Lamp (Turnkey edition), log in as root and configure all the necessary software in the server needed to work with symfony. (Samba, symfony etc) The problem is when I am root the file permissions are not set right for the Samba and symfony systems. All things I do/create in the terminal (CLI) of Ubuntu create file permissions for the user root. Off course I know how to change them afterwards but that takes up time I could spend programming. When ready I am using the box via my network, creating several site directorys directly from my pc on the server. There are multiple sites on this developer server as directorys under /var/www/ there are no virtual hosts. My question is how to create or set a user after installation of Ubuntu with the right credentials and rights?

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  • Destroy guest OS using php

    - by Alee
    I am using libvirt-php to manage my virtual machines, and I need to shutdown/destroy domU. For this I used the following php script: < ? php $conn=libvirt_connect("xen:///"); $name=libvirt_domain_lookup_by_id($conn,4); $dest=libvirt_domain_destroy($name); echo $dest; ? When I run this on xampp server i get the following output: Warning: libvirt_domain_destroy() [function.libvirt-domain-destroy]: operation virDomainDestroy forbidden for read only access in /opt/lampp/htdocs/xampp/byname.php on line 5. Here is the documentation: http://libvirt.org/php/api-reference.html#libvirt_domain_destroy

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  • Do you know about the Visual Studio 2010 Database Projects Guidance?

    - by Martin Hinshelwood
    Early on in the Team System (now Visual Studio ALM) cycle a new product surfaced within Team System that was affectionately called “Data Dude”, but had the more formal name of “Visual Studio 2005 Team Edition for Database Professionals”. The purpose of this product was to try and make the database a “first class citizen” in the development world. Those that started using Visual Studio 2005 Team Edition for Database Professionals (Data Dude) loved it, but everyone else did not get it. The capabilities were a little patchy, but the one thing it did bring to the party was the ability to put your database schema under source control. This was revolutionary as previously your DBA sat as far away from the team as possible, and usually in a dark cupboard, now they could partake of all the goodness of Version Control, Work Item Tracking and automated builds. The problem was that the understanding required to manage these projects was very different to that needed previously. Then the Visual Studio ALM Rangers got a hold of it…and produced some of the best guidance available. Figure: Download the guidance from http://vsdatabaseguide.codeplex.com/ This guidance discusses scenarios and approaches of using the Database Projects in Visual Studio 2010 to help you use the tools more effectively and maximize their value to your organization This guidance is focused on these five areas: Solution and Project Management Source Code Control and Configuration Management Integrating External Changes with the Project System Build and Deployment Automation with Visual Studio Database Projects Database Testing and Deployment Verification Each of these areas has common guidance, usage scenarios, hands on labs, and lessons learned from real world engagements and the community discussions.   The guidance is broken down into three packages: Guidance documentation Hands-on-lab (HOL) documentation note: The documentation is available in XPS-only format packages or complete XPS,PDF,DOCX format packages HOL Package If you need assistance and no one else can help, then you may need to call the Visual Studio ALM Rangers. The Visual Studio ALM Rangers have the mission to provide out of band solutions for missing features or guidance. They are supported by Microsoft Product Group, Microsoft Consulting Services, Microsoft Most Valued Professionals (MVPs) and technical specialists from technology communities around the globe, giving you a real-world view from the field, where the technology has been tested and used. For more information on the Rangers please visit http://msdn.microsoft.com/en-us/vstudio/ee358786.aspx and for more a list of other Rangers projects please see http://msdn.microsoft.com/en-us/vstudio/ee358787.aspx.

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  • Windows 2008 R2, UDDI 3.0 and No Admin Links

    - by Andy Morrison
    Windows 2008 R2 might end up giving me a heart attack at some point. Yesterday I installed and configured UDDI 3.0 as part of an ESB 2.0 install & config.  After configuring UDDI 3.0, if I browsed to the localhost/uddi virtual directory from IIS, all of the links would show up in UDDI.  If opened up IE and went to the UDDI site only the Home and Search links would show up. You've probably already guessed at what the "fix" was... I had to Run IE as Administrator.  Then when I browse to the UDDI site all of the links show up.

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  • Oracle VM at the IOUG Virtualization SIG – Online Symposium

    - by Chris Kawalek
    Join the Oracle VM product managers and product experts for a day full of best practices and information on the latest product updates. A sampling of what you can expect: Best practices from a customer’s perspective on deployment of Oracle VM and Oracle RAC. How to simplify and accelerate the onboarding of your applications to the cloud with Oracle Virtual Assemblies and Enterprise Manager 12c. The latest how-to and demo of DeployCluster Tool on Oracle VM 3. Date: Tomorrow, November 7th, 10am CDT – 2:50pm CDT Register for this free online event today! 

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