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  • XBMC is slow and sluggish in Ubuntu 13.04; how can I speed it up?

    - by Dreamdealer
    I have a Zotac ZBOX ID84 with Intel D2550 proc and Nvidia GT520M GPU, 2GB memory and 320GB hard disk. I tried XBMCbuntu first and it ran perfectly for a few months until I started to mess around with the Terminal. After a re-install I could get the HDMI sound to work again so I installed the latest version of Ubuntu (13.04) instead. That worked fine. The sound and everything worked right away, but the interface of Ubuntu is sluggish and XBMC doesn't run as good as it did in XBMCbuntu. The video playback is slow and it stutters. It speeds up and slows down with the complexity of the video. So, the PC is more than capable to run XBMC and play the videos, but something in Ubuntu (GUI?) slows it down to an unusable pace. Can anybody tell me what I can do to speed things up? Since I'm new to Ubuntu I have no clue where to start looking.

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  • Exalytics at Partners in EMEA

    - by Mike.Hallett(at)Oracle-BI&EPM
    Many partners have got Oracle Exalytics systems on their premises where they can help customers with proof-of-solution demonstrations to show how fast this engineered in-memory analytics solution can be, and how this translates into tangible business benefits.  Any customer with Oracle Analytics (OBIEE, Essbase, Hyperion Planning, Oracle BI-Applications) who is seeking to upgrade their hardware infrastructure, looking for a quick, low risk and cost effective implementation, should contact one of these to test what an Exalytics can do for them. Below is a list of some of our specialist Oracle Partners who have an Exalytics: http://www.arrowecs.fr/produits/index.php?id=82 France http://www.ise-informatik.de/ Germany http://www.hotitem.nl/ Netherlands http://bi.fors.ru/ Russia http://www.synchrotech-group.com/ Switzerland http://www.linkplus.com.tr/ Turkey http://www.rittmanmead.com/ UK

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  • Retrieve data from an ASP.Net application using Ado.Net 2.0 disconnected model

    - by nikolaosk
    This is the second post in a series of posts regarding to ADO.Net 2.0. Have a look at the first post if you like. In this post I am going to investigate the "Disconnected" model. When I say "Disconnected" I mean Datasets . Datasets are in memory representations of tables in a particular database. A Dataset contains a Table collection and each Table collection contains a Row collection and each Row collection contains a Columns collection. So initially you connect to the database, get the data to...(read more)

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  • Miss Open World? View this Roadmap Presentation

    - by PeopleTools Strategy
    If you were unable to attend Oracle Open World in September, you missed out on some important PeopleSoft messages.  Don't despair!  You now have a chance to receive an update on PeopleSoft’s presence at Oracle OpenWorld 2013 and the key messages delivered there. You can view the “PeopleSoft Update and Roadmap” webcast found here on the Quest Users Group site.  (Note: this is available with a FREE subscriber account.  Anyone can sign up here at no cost. This webcast recording presents the significant adoption and momentum behind PeopleSoft 9.2.  Viewers will also learn about the new release model for continuously delivering new capabilities to PeopleSoft customers at a lower cost enabled by the new PeopleSoft Update Manager.  There are also compelling live demonstrations of the major investment areas for PeopleSoft including a new PeopleSoft user experience enabling mobile solutions as well as In-Memory PeopleSoft applications.

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  • Best language for crossplatform app with GUI [on hold]

    - by Jeremy Dicaire
    I've decided to finally get rid of all Microsoft crap and switched to linux yesterday (It feels so good!) I'm looking for a way to create a cross-platform app with a GUI using an open-source language. I came across python with qt4 (or qt5). I give a thought to Java but it's a memory eater... I'm wondering which other good options is available before starting my journey with those 2 and which tools are good to help me code. I'm currently using Eclipse for all my programming needs. Your help is appreciated! Have a nice day

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  • JCP.next.3: time to get to work

    - by Patrick Curran
    As I've previously reported in this blog, we planned three JSRs to improve the JCP’s processes and to meet our members’ expectations for change. The first - JCP.next.1, or more formally JSR 348: Towards a new version of the Java Community Process - was completed in October 2011. This focused on a small number of simple but important changes to make our process more transparent and to enable broader participation. We're already seeing the benefits of these changes as new and existing JSRs adopt the new requirements. However, because we wanted to complete this JSR quickly we deliberately postponed a number of more complex items, including everything that would require modifying the JSPA (the legal agreement that members sign when they join the organization) to a follow-on JSR. The second JSR (JSR 355: JCP Executive Committee Merge) is in progress now and will complete later this year. This JSR is even simpler than the first, and is focused solely on merging the two Executive Committees into one for greater efficiency and to encourage synergies between the Java ME and Java SE platforms. Continuing the momentum to move Java and the JCP forward we have just filed the third JSR (JCP.next.3) as JSR 358: A major revision of the Java Community Process. This JSR will modify the JSPA as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons we expect to spend a considerable amount of time working on it - at least a year, and probably more. The current version of the JSPA was created back in 2002, although some minor changes were introduced in 2005. Since then the organization and the environment in which we operate have changed significantly, and it is now time to revise our processes to ensure that they meet our current needs. We have a long list of topics to be considered, including the role of independent implementations (those not derived from the Reference Implementation), licensing and open source, ensuring that our new transparency requirements are implemented correctly, compatibility policy and TCKs, the role of individual members, patent policy, and IP flow. The Expert Group for JSR 358, as with all process-change JSRs, consists of all members of the Executive Committees. Even though the JSR has just been filed we started discussions on the various topics several months ago (see the EC's meeting minutes for details) and our EC members - including the new members who joined within the last year or two - are actively engaged. Now it's your opportunity to get involved. As required by version 2.8 of our Process (introduced with JSR 348) we will conduct all our business in the open. We have a public java.net project where you can follow and participate in our work. All of our deliberations will be copied to a public Observer mailing list, we'll track our issues on a public Issue Tracker, and all our documents (meeting agendas and minutes, task lists, working drafts) will be published in our Document Archive. We're just getting started, but we do want your input. Please visit us on java.net where you can learn how to participate. Let's get to work...

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  • Given two sets of DNA, what does it take to computationally "grow" that person from a fertilised egg and see what they become? [closed]

    - by Nicholas Hill
    My question is essentially entirely in the title, but let me add some points to prevent some "why on earth would you want to do that" sort of answers: This is more of a mind experiment than an attempt to implement real software. For fun. Don't worry about computational speed or the number of available memory bytes. Computers get faster and better all of the time. Imagine we have two data files: Mother.dna and Father.dna. What else would be required? (Bonus point for someone who tells me approx how many GB each file will be, and if the size of the files are exactly the same number of bytes for everyone alive on Earth!) There would ideally need to be a way to see what the egg becomes as it becomes a human adult. If you fancy, feel free to outline the design. I am initially thinking that there'd need to be some sort of volumetric voxel-based 3D environment for simulation purposes.

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  • Ubuntu not mounted?

    - by z3matt
    In Live CD i went in the terminal and when i do 'sudo update-grub' it responds /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). Here's the breakdown of my drive: sda1 - vfat - Windows 7: FAT32 sda2 - sda3 - nfs - Windows Vista/7: NTFS - Windows 7 sda3/Wubi: - sda4 - Grub2 sda5 - Ubuntu 12.04.1 LTS sda6 - sda7 - sda8 - BIOS Boot Partition Also at the top of the page it states : = No boot loader is installed in the MBR of /dev/sda Any and all help is appreciated and welcomed. When my computer boots, it goes into GRUB and has the options for Windows 7 and Windows Memory Test but no option for Ubuntu. I want to run a dual-boot through it.

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  • ODAC 11.2 Release 3(11.2.0.2.1)?????:64bit?ODP.NET?TimesTen????

    - by Yusuke.Yamamoto
    ODAC 11.2 Release 3(11.2.0.2.1) ??????????? Oracle Data Provider for .NET(ODP.NET) ?? Oracle Providers for ASP.NET ?64bit??????????????? ????????·????????? Oracle TimesTen In-Memory Database ??????????????? Oracle Data Access Components(ODAC) ?????? Oracle Data Access Components(ODAC) ?????? ??? .NET ????????? .NET ?????????????????? Oracle Database ????????? ???????/???1????!.NET + Oracle Database 11g ???????????? ?????????? .NET|???????????

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  • Daemon for moving files between partitions?

    - by RATHI
    I have a system with Ubuntu installed in 20GB and windows in 100 GB, two partitions - each of 100GB using NTFS. While using DC++ (multiple downloading of big file) I used to get message that system is running out of memory. Is there any way to make a deamon which will be checking the Ubuntu partition so that if its used space goes up to a certain amount (let's say 18 GB) it will automatically start a moving file from this drive to another drive (let's assume it will pick the file from movie folder or largest media file from this drive to move)? Or it prompt to ask from user which file to move? Is there any program which can do this for me? If not, can you suggest something to read so that I could make it?

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  • SSRS optional parameters settings

    - by Natasa Gavrilovic
    Recently I had to create couple SQL Server Reports (SSRS) with optional parameters built in. It took me a while to refresh memory how this can be done. It was very simple to create reports and processes behind, but connecting these two were are little bit challenging – stored procedure was tested and worked fine, but when the report was passing optional parameters it didn’t returned expected results. After tweaking SQL stored procedures and reports parameter options, the following approach turn to be the winning one. 1) Defining report parameters: From Menu bar select ‘View’ and ‘Report Data’ Newly open window should have ‘Parameters’ folder display Right click on this folder and select ‘Add new parameter...’                             Default values need to be added from a query                 A query values need to include ‘’ (empty string) – as highlighted                   2) SQL stored procedure should have CASE statements inside WHERE and it was the only way that a report was getting correct results back.

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  • Processing a stream. Must layers be violated?

    - by Lord Tydus
    Theoretical situation: One trillion foobars are stored in a text file (no fancy databases). Each foobar must have some business logic executed on it. A set of 1 trillion will not fit in memory so the data layer cannot return a big set to the business layer. Instead they are to be streamed in 1 foobar at a time, and have business logic execute on 1 foobar at a time. The stream must be closed when finished. In order for the stream to be closed the business layer must close the stream (a data operation detail), thus violating the separation of concerns. Is it possible to incrementally process data without violating layers?

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  • Do unused vertices in a 3D object affect performance?

    - by Gajet
    For my game I need to generate a mesh dynamically. Now I'm wondering does it have a noticeable affect in FPS if I allocate more vertices than what I'm actually using or not? and does it matter if I'm using DirectX or OpenGL? Edit Final output will be a w*h cell grid, but for technical issues it's much easier for me to allocate (w+1)*(h+1) vertices. Sure I'll only use w*h vertices in indexing, and I know there is some memory wasting there, but I want to know if it also affect FPS or not? (Note that mesh is only generated once in each time you play the game)

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  • What are the caveats of the event system built on Messenger rather than on classic .NET events?

    - by voroninp
    MVVM Light and PRISM offer messenger to implement event system. the approximate interface looks like the following one: interface Messanger { void Subscribe<TMessageParam>(Action<TMessageParam> action); void Unsubscribe<TMessageParam>(Action<TMessageParam> action); void Unsubscribe<TMessageParam>(objec actionOwner); void Notify<TMessageParam>(TMessageParam param); } Now this model seems beneficial comparing to classic .net events. It works well with Dependency Injection. Actions are stored as weak references so memory leaks are avioded and unsubscribe is not a must. The only annoyance is the need to declare new TMessageParam for each specific message. But everything comes at a cost. And what I'm really worried about is that I see no shortcomings of this approach. Has anoyne the experience of some troubles with this design pattern?

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  • Where can I learn to write my own database?

    - by Buttons840
    I'm interested in writing my own database - a triple-store. Are there any good resources to help with the challenges of such a project? Or more generally: How can I learn to write my own database? Some specific issues I'm unsure of: How is the data actually stored on the file-system? A flat-file seems easy enough, but a database is a lot more then a flat-file. What kinds of things are typically stored (or cached) in memory? How are indexes created and stored? How is ACID compliance achieved? Etc. This is a big topic, but knowing how to store large amounts of data in a reliable way is good to know. (My investigation into existing triple-stores was summarized back in 2008; not much has changed in 4 years it seems. This is why I want write my own.)

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  • Can GJK be used with the same "direction finding method" every time?

    - by the_Seppi
    In my deliberations on GJK (after watching http://mollyrocket.com/849) I came up with the idea that it ins not neccessary to use different methods for getting the new direction in the doSimplex function. E.g. if the point A is closest to the origin, the video author uses the negative position vector AO as the direction in which the next point is searched. If an edge (with A as an endpoint) is closest, he creates a normal vector to this edge, lying in the plane the edge and AO form. If a face is the feature closest to the origin, he uses even another method (which I can't recite from memory right now) However, while thinking about the implementation of GJK in my current came, I noticed that the negative direction vector of the newest simplex point would always make a good direction vector. Of course, the next vertex found by the support function could form a simplex that less likely encases the origin, but I assume it would still work. Since I'm currently experiencing problems with my (yet unfinished) implementation, I wanted to ask whether this method of forming the direction vector is usable or not.

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  • How do I debug a cluster running Microsoft server 2003?

    - by alcor
    I'm sole developer of a complex critical software system, written in Visual C++ 2005. It's deployed on a classical Microsoft cluster scenario (active/passive), that has Windows Server 2003 R2. If a server A goes down, the other one (B) starts and take the ownership of its duties. You have to know that: Both servers have the same Microsoft patches/fixes, same hardware, same everything. Both servers use the same memory storage (a RAID-6 through fiber channel). This software has a main module that launches the peripheral modules. if a peripheral module crashes, the main module restarts it. When I switch the application in one of the two servers (let's say the B server) two of the peripheral modules of the main applications just started to crash apparently without reason about 2 seconds after the start of the peripheral module. What could I do to analyze/inspect/resolve this weird situation?

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  • Miss Oracle Open World? View the PeopleSoft Roadmap Presentation Here

    - by John Webb
    If you were unable to attend Oracle Open World in September, you missed out on some important PeopleSoft messages.   Don't despair!  You now have a chance to receive an update on PeopleSoft's presence at Oracle OpenWorld 2013 and the key messages delivered there. You can view the “PeopleSoft Update and Roadmap” webcast found here on the Quest Users Group site.  (Note: this is available with a FREE subscriber account.  Anyone can sign up here at no cost. This webcast recording presents the significant adoption and momentum behind PeopleSoft 9.2.  Viewers will also learn about the new release model for continuously delivering new capabilities to PeopleSoft customers at a lower cost enabled by the new PeopleSoft Update Manager.  There are also compelling live demonstrations of the major investment areas for PeopleSoft including a new PeopleSoft user experience enabling mobile solutions as well as In-Memory PeopleSoft applications. You can view all presentations ns in the Oracle Open World 2013 Content Catalog.

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  • How to get rid of multiple linux versions in grub boot menu

    - by Silver Light
    I've been using dual boot on my PC for some time now, to use Ubuntu along side with Windows 7. One very disturbing thing happens, when Ubuntu linux core gets updated (this happens once in a while). They are added as options to the grub menu so, my boot menu now looks like this: Ubuntu, with linux 2.6.35-27 generic Ubuntu, with linux 2.6.35-27 generic (recovery mode) Ubuntu, with linux 2.6.35-25 generic Ubuntu, with linux 2.6.35-25 generic (recovery mode) Ubuntu, with linux 2.6.35-24 generic Ubuntu, with linux 2.6.35-24 generic (recovery mode) Ubuntu, with linux 2.6.35-22 generic Ubuntu, with linux 2.6.35-22 generic (recovery mode) Memory test Windows 7 This gets very annoying, because I want to load windows by default, but after every update it shifts down and I have to go to grub config and change the default option. My question: How to get rid of older versions of linux in the grub menu and leave only the newest one?

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  • OpenGL VBOs are slower then glDrawArrays.

    - by Arelius
    So, this seems odd to me. I upload a large buffer of vertices, then every frame I call glBindbuffer and then the appropriate gl*Pointer functions with offsets into the buffer, then I use glDrawArrays to draw all of my triangles. I'm only drawing about 100K triangles, however I'm getting about 15FPS. This is where it gets weird, if I change it to not call glBindBuffer, then change the gl*Pointer calls to be actual pointers into the array I have in system memory, and then call glDrawArrays the same, my framerate jumps up to about 50FPS. Any idea what I weird thing I could be doing that would cause this? Did I maybe forget to call glEnable(GL_ALLOW_VBOS_TO_RUN_FAST) or something?

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  • Ubuntu installed accidently on windows

    - by Maz
    I'm new here and would very much appreciate your help I was making a bootable USB to rescue a crashed Ubuntu notebook. I was doing this on my Sony VIo laptop, now I can't access my Sony files, when I boot the Sony up it boots in Ubuntu I think I have overwritten the windows boot sector with Ubuntu I need to either undo the process or if this is not possible then at least recover my kids childhood memory photos Any help to resolve this issue would be very much appreciated P.s I have since removed the hardrive from the Sony and tried to read it on a windows machine as an external drive, windows can see the drive but with no data!

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  • Engineered Systems Announcements at OOW

    - by Cinzia Mascanzoni
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} See below the  announcements of new Exa systems at OOW Oracle Exadata X3 Database In-Memory Machine and  Oracle Exalogic Elastic Cloud X3-2 announcements.

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  • When profiling a function for time use, what information is desirable?

    - by AaronMcSmooth
    I'm writing a program similar to Python's timeit module. The idea is to time a function by executing it anywhere from 10 to 100,000 times depending on how long it takes and then report results. I've read that the most important number is the minimum execution time because this is the number that best reflects how fast the machine can run the code in question in the absence of other programs competing for processor time and memory. This argument makes sense to me. Would you be happy with this? Would you want to know the average time or the standard deviation? Is there some other measure that you consider more important?

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  • My system screen goes black and displays Term Signal Killed?

    - by Quandite
    My computer will often just die randomly while I am using it. The screen goes black and sometimes displays the words TERM signal killed along with other things and sometimes it displays nothing. The writing stays on the screen momentarily before it disappears to just black. I then have to hold in the power button to turn it off and then re boot. Here are the specs... help! Ubuntu 10.04(lucid) Kernel Linux 2.6.32-23-generic GNOME 2.30.2 memory 495.7 MiB processor Intel(R) Pentium(R) 4CPU 1.80GHz

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  • Fast lookup for organization hierarchy

    - by Élodie Petit
    I need a way to implement a fast lookup algorithm / system to find users very quickly in a multi-level department and multi-level employee/manager relation organization structure. Departments can have any level of departments and users directly connected to departments. User are connected to departments and other users at the same time. What would be the best approach to implement such a system? There will be approximately 2000 users and 30 departments. Is there a good way to hold all of this information on memory?

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