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  • How to Create a bootable Ubuntu USB flash drive from terminal

    - by Avinash Raj
    Is there any possibility to create a Ubuntu USB flash drive from terminal without using any third-party applications like YUMI,Unetbootin,etc. I tried to create a bootable ubuntu flash drive with dd method, sudo umount /dev/sdb sudo dd if=/path/to/ubuntu.iso of=/dev/sdb bs=1M It create files on the USB disk,but when i try to boot the usb disk it says Operating System Not Found error. Any help will be appreciated!

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  • Cannot dual Windows XP and Ubuntu

    - by Fabio Machado
    I am new to Ubuntu and at the moment I am trying to get Ubuntu 12.10 to one of my machines. The machine is a Pentium 4 @ 3.06, 2Gb RAM, 200GB Hard Drive and a NVidia GeForce 8800 GT. A few days ago, I tried Ubuntu without installing and it worked perfectly. Yesterday, I decided to formatted the hard drive and divide my hard drive into four partitions: 1 for the XP, 1 for Ubuntu, 1 for swamp and 1 where I will have my documents. Everything went great, I installed XP and then Ubuntu but I did something wrong on the partition window (Ubunto partion window) that I ended up without boot loader. This morning, I formatted everything again, installed XP and when I went to install Ubuntu (with the same DVD as before) the problems started. First, I had a black screen with a msg written with white text saying something like: unable to find a medium containing a live file system. After I burned another CD and tried again, I got stuck at the red dots (loading screen). I then went online and I read somewhere that it could be the CD, so I checked the integrity of the CD and everything was fine. I also unplugged all USBs connected to the computer and nothing changed. I goggled further options to try to solve my problem and some users suggested that people having these types of problems should try the alternate installation, which if I am not wrong is for networks. I then tried to install and yes the installation process was different from the normal CD, but it did get stuck on a page where it was doing something, like: ...finding ethd0 and it was stuck on the 100%. I tried USB installation as well and it also got stuck at the red dots (I do not have USB 3.0 on the computer in question). I have burned 5 different CD's and all at low speed. I checked the integrity and all are fine. I downloaded other distribution as well as other versions of Ubuntu and I still cannot install or even run the Live CD of Ubuntu or any other distribution. What is really annoying me is that everything was working perfectly before, when I first tried to install Ubuntu. Anyway, any help is welcome. Edit: My boot load is normal, no errors and all the hardware is working fine. I forgot to mention that after the loading screen (red dots) gets stuck, the DVD drive and the hard drive goes into idle state. I also restored the default values of the BIOS and no luck.

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  • Using Entity Framework Entity splitting customisations in an ASP.Net application

    - by nikolaosk
    I have been teaching in the past few weeks many people on how to use Entity Framework. I have decided to provide some of the samples I am using in my classes. First let’s try to define what EF is and why it is going to help us to create easily data-centric applications.Entity Framework is an object-relational mapping (ORM) framework for the .NET Framework.EF addresses the problem of Object-relational impedance mismatch . I will not be talking about that mismatch because it is well documented in many...(read more)

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  • Installation Error, "Unable to lock the administration directory"

    - by kern
    Whenever I try to install any software through Terminal or Software on my Ubuntu 11.04, I'm getting this response: In Terminal: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? In Software Center An unhandlable error occured There seems to be a programming error in aptdaemon, the software that allows you to install/remove software and to perform other package management related tasks. What should I do?

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  • Lenovo G580 video driver does not work

    - by Evgeniy
    I have trouble with video driver. In my laptop, I have 2 video cards: GeForce 630M and Intel HD 4000 Series. I installed 12.04, it starts in Unity 2D mode, I try to install drivers to both video cards, but results inefficiencies. Nvidia control panel propose me to create xorg config file manually, but after this screen resolution resets to 640x480 and I can't get it back to normal mode. Please, help me if this is possible.

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  • Data Quality Services Performance Best Practices Guide

    This guide details high-level performance numbers expected and a set of best practices on getting optimal performance when using Data Quality Services (DQS) in SQL Server 2012 with Cumulative Update 1. Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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  • SQL SERVER – A Puzzle Part 3 – Fun with SEQUENCE in SQL Server 2012 – Guess the Next Value

    - by pinaldave
    Before continuing this blog post – please read the two part of the SEQUENCE Puzzle here A Puzzle – Fun with SEQUENCE in SQL Server 2012 – Guess the Next Value and A Puzzle Part 2 – Fun with SEQUENCE in SQL Server 2012 – Guess the Next Value Where we played a simple guessing game about predicting next value. The answers the of puzzle is shared on the blog posts as a comment. Now here is the next puzzle based on yesterday’s puzzle. I recently shared the puzzle of the blog post on local user group and it was appreciated by attendees. First execute the script which I have written here. Today’s script is bit different than yesterday’s script as well it will require you to do some service related activities. I suggest you try this on your personal computer’s test environment when no one is working on it. Do not attempt this on production server as it will for sure get you in trouble. The purpose to learn how sequence behave during the unexpected shutdowns and services restarts. Now guess what will be the next value as requested in the query. USE AdventureWorks2012 GO -- Create sequence CREATE SEQUENCE dbo.SequenceID AS BIGINT START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 500 CYCLE CACHE 100; GO -- Following will return 1 SELECT next value FOR dbo.SequenceID; ------------------------------------- -- simulate server crash by restarting service -- do not attempt this on production or any server in use ------------------------------------ -- Following will return ??? SELECT next value FOR dbo.SequenceID; -- Clean up DROP SEQUENCE dbo.SequenceID; GO Once the server is restarted what will be the next value for SequenceID. We can learn interesting trivia’s about this new feature of SQL Server using this puzzle. Hint: Pay special attention to the difference between new number and earlier number. Can you see the same number in the definition of the CREATE SEQUENCE? Bonus Question: How to avoid the behavior demonstrated in above mentioned query. Does it have any effect of performance? I suggest you try to attempt to answer this question without running this code in SQL Server 2012. You can restart SQL Server using command prompt as well. I will follow up of the answer in comments below. Recently my friend Vinod Kumar wrote excellent blog post on SQL Server 2012: Using SEQUENCE, you can head over there for learning sequence in details. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Puzzle, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Review: Ultra-minimal Linux Desktops: Ratpoison, Awesome, fvwm

    What are you to do when you don't want a giant glitzy desktop environment for your Linux system like KDE or GNOME, but just want something lightweight with essential functionality? Try on some of the many excellent lightweight Linux window managers. In this final segment of her excellent Lightweight Linux series, Juliet Kemp reviews Awesome, fvwm, and Ratpoison.

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  • ADF Mobile on BlackBerry

    - by Duncan Mills
    Worth checking out: Luc Bors has an article on OTN covering the use of both browser based and native applications written with ADF on BlackBerry. A great overview and of course perfectly timed for you to try this out yourself using the new ADF Mobile Client extension which is available as a technical preview with Oracle JDeveloper PatchSet .

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  • search with mobile : does Google just look in the mobile-optimized websites?

    - by Alireza Fallah
    When someone searches a keyword by mobile, does Google search in desktop version of all websites and find the proper result and then prioritize them according to the responsiveness or mobile-optimizing stuff etc OR it just search in the mobile version of the mobile-optimized websites ? I want to create a website with a responsive design, I was wondering that if I should care about SEO in mobile version of the website, or just try to optimize the desktop version for search engines and just care about the design of the mobile version ?

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  • Importing PSTs with PowerShell in Exchange 2010 SP1

    Unless you use Red Gate's PST Importer, the import and export of PST files with Exchange 2010 is a complex and error-prone business. Microsoft have acknowledged this in the release of Exchange 2010 SP1, since they have now re-engineered the way that PSTs are handled to try and ease the pain of importing and exporting them, but it is still a matter of using Powershell with cmdlets, rather than a GUI. Jaap Wesselius takes a look at the new process.

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  • How can I compile SM 3.0 effects in D3D11 in slimdx?

    - by jacker
    var bytecode = ShaderBytecode.CompileFromFile("shaders\\testShader.fx", "fx_5_0", ShaderFlags.None, SlimDX.D3DCompiler.EffectFlags.None, null, null, out str); var effect = new SlimDX.Direct3D11.Effect(gpu.Device, bytecode); Works fine but if I try to use another shader model like 4.0 or 3.0 it throws an error on the new effect creation: E_FAIL: An undetermined error occurred (-2147467259) How do I compile older shaders? And I've read about device context but I can't find any information on how to use them to maintain DX9 compatibility.

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  • gnome-tweak-tool doesn't start due to "ImportError: No module named gi" error

    - by Khajak Vahanyan
    I am using Ubuntu 11.10 with Gnome Shell and have a problem with gnome-tweak-tool. When I click on it, it does nothing and when I try to open with terminal it gives this error: Traceback (most recent call last): File "/usr/bin/gnome-tweak-tool", line 22, in <module> import gi ImportError: No module named gi I googled a bit, found some solutions (reinstalled some python-gobject packages), but still didn't help./

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  • Attempting to change Keyboard Backlight levels changes theme

    - by Daniel Lounsbery
    I'm using an Asus G74SX on Ubuntu 12.04. When I try to change my Keyboard Backlight levels my theme seems to change or crash to a backup. P.S. My Screen Brightness won't change if I use the keys or even going into display settings manually. P.S.S I'll be able to post a screen shot when my reputation gets up to 10 It changes to this: From This ( note: the normal theme is the window surrounding the picture ):

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  • Three Qualities of Effective Medical Practice Websites

    Many medical practices now have websites for their physicians. Since physician practices are often quoted outrageously high fees to develop medical practice websites, some doctors try to bypass these services and build the practice website on their own. NOT a good idea unless you are a trained webmaster with an excellent knowledge of design and function!

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  • How to install Awesome WM without root access?

    - by ssice
    I want to install the Awesome window manager. In the environment where I want to configure it I don't have root access. I do have a machine were I can be root (I use for this a virtual machine in my laptop). I have tried the following: $ sudo apt-get install awesome The following packages are about to be installed: awesome libev3 libid3tag0 libimlib2 liblua5.1-0 libxcb-icccm1 libxcb-image0 libxcb-keysyms1 libxcb-property1 libxcb-randr0 libxcb-xinerama0 libxcb-xtest0 libxdg-basedir1 menu rlwrap Do you want to continue [Y/n]? n I do now have the list of dependencies for awesome, so I downloaded them all. For that, I did the following. $ pkgs="awesome libev3 libid3tag0 libimlib2 liblua5.1-0 libxcb-icccm1 libxcb-image0 libxcb-keysyms1 libxcb-property1 libxcb-randr0 libxcb-xinerama0 libxcb-xtest0 libxdg-basedir1 menu rlwrap" # this is just for not writing it all ;) $ sudo apt-get install --download-only $pkgs .... $ mkdir -p /tmp/x_debs $ for pkg in $pkgs; do cp /var/cache/apt/archives/$pkg* /tmp/x_debs/; done [ copies all *.deb from my dependencies to /tmp/x_debs ] Now, I want to install the dependencies. For that, I setup a fake dpkg install in my home folder: $ mkdir $HOME/root $ mkdir -p $HOME/root/var/lib/dpkg/{triggers,updates} $ touch $HOME/root/var/lib/dpkg/{available,status} Now I tried to install with dpkg, but I could not: $ dpkg --force-not-root --root=$HOME/root --recursive -i /tmp/x_debs It failed while trying to set permissions for the packages and running chroot. As I do have root access in this machine, I ran it with privileges: $ sudo dpkg --root=$HOME/root --recursive -i /tmp/x_debs Then I had a lot of stuff (i.e., everything: dependencies and the own WM) installed inside $HOME/root. Particularly, xcb-* libraries were installed in $HOME/root/usr/lib and the awesome binary in $HOME/root/usr/bin/awesome. If I try to execute awesome as is I get as an error that libraries could not be loaded. That's normal, as they are not in /usr/lib nor in /lib. So I ran export LD_LIBRARY_PATH=$HOME/root/usr/lib:$HOME/root/lib:${LD_LIBRARY_PATH} and awesome would try to load. However, I could not make gdm to run awesome within gnome or replacing it. I did it this way so I can copy everything in my $HOME/root folder, paste it in the other machine and have it running. Is there any other way (to have less wasted space maybe..) to do this? How can I tell gdm to exec awesome without root access?

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  • SSIS Expression Editor & Tester

    Published today on CodePlex is the SSIS Expression Editor & Tester project. If you want to try it just pop over to CodePlex and download it. About five years ago I developed my own expression editor control. It first got used in our custom tasks as the MS editor didn’t become available until SQL 2005 SP1, but even then it had some handy features I preferred. For example resizable panes so that if your expression result was more than two lines you could see them all. It also meant I could change the functions available in the tree view, the most obvious use being to add some handy snippets and samples that I used a lot. This quickly developed into a small expression testing tool. I’d develop complex expressions using my editor and then copy it back into the package itself. I have been meaning to make the tool available for some time and finally made the effort, the code is checked-in and the signed downloads are published on CodePlex. There are two flavours, SQL 2005 or 2008, and just a simple zip file to download and extract. The tool doesn’t need installing, and is completely portable. It does need SSIS to be installed on the local machine though. Each zip file contains two files: ExpressionTester.exe – The tool itself, run this. ExpressionEditor.dll – The reusable editor control. A while ago the gentlemen behind BIDS Helper noticed the editor on a task and asked about using it. This became incorporated into their variable window extensions feature. To try and help them and anyone else that wants to use the editor control, it is available as a single assembly that you can reference yourself, and of course all the source code is on CodePlex too. Just add a reference to the ExpressionEditor.dll assembly and you should be up and running in no time. There is a sample project Package Test in the source code which shows how to use the editor control form in it’s simplest form, or if you want to host control directly then the tester tool is a perfect example.

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  • What problems will I face if I remove the concept of interfaces from my code?

    - by Vishwas Gagrani
    I have been programming for many years but I am still not comfortable with the concept of "Interfaces". I try to use interfaces but many times I don't see a mandatory use for it. I think this is probably because the projects weren't so big, or because interfaces are more useful when teamwork is involved. So, making another attempt to understand the importance of interfaces, here is my question: What problems will I face if I remove the concept of interfaces from my code?

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  • Quick Poll: Certification Information Preferences

    - by Paul Sorensen
    We're starting a new "quick poll" series so that we can better learn about you - our technical professionals who are either already Oracle certified or working on earning an Oracle credential. We aim to keep them short (~1 minute to answer) so that you'll share your opinion.This week we want to know how you prefer to get your information about Oracle Certification:TAKE THE QUICK POLLNOTE: You can only take the survey once per machine. (if you try a second time it may redirect you to an external website)

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  • Interpolating Matrices

    - by sebf
    Hello, Apologies if I am missing something very obvious (likely!) but is there anything wrong with interpolating between two matrices by: float d = (float)(targetTime.Ticks - keyframe_start.ticks) / (float)(keyframe_end.ticks - keyframe_start.ticks); return ((keyframe_start.Transform * (1 - d)) + (keyframe_end.Transform * d)); As in my app, when I try an use this to interpolate between two keyframes, the model begins to 'shrink' - the severity based on how far between the two keyframes the target time is; its worst when the transform split is ~50/50.

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  • Blender DirectX exporter to Panda3D

    - by jakebird451
    I have been experimenting with Panda3D lately. I have a character made in Blender with various bones and currently with one animation that I wish to export to a *.x format for Panda3D. My current attempt was to export the model was to first export with bones [Armatures] by checking the "Export Armatures" button in the export menu (file name: char.x). Thanks to the *.x file format, I read the file and it seems to have the same bone structure format as the model (with parenting and matrix positional data). The second export was selecting Animations - Full Animation to provide just the animation (file name: char_idle.x). The models exported just fine. I am not sure about the animation yet, but the file seems to be just fine. This is my code for loading the model into python & Panda3D: self.model = Actor("char.x",{"char_idle.x"}) When I run the program the command line provides a couple of errors, the main errors of interest are: :Actor(warning): char.x is not a character! and ... File "C:\Panda3D-1.8.0\direct\actor\Actor.py", line 284, in __init__ if (type(anims[anims.keys()[0]])==type({})): AttributeError: 'set' object has no attribute 'keys' The first error is the most interesting to me. The model works if I leave the animation dictionary blank. With no animations loaded the character appears in its un-animated T position, however the actor warning still shows up. The character should include the various bones when I exported the model right? I am not that experienced with blender, I'm just a programmer. So if the problem lies in blender please try to keep that in mind when posting a reply. I'll try my best to keep up. I also tried to print out the bone structure without any animations loaded and it provides a similar error with the line print self.model.listJoints(): File "C:\Panda3D-1.8.0\direct\actor\Actor.py", line 410, in listJoints Actor.notify.error("no part named: %s" % (partName)) File "C:\Panda3D-1.8.0\direct\directnotify\Notifier.py", line 132, in error raise exception(errorString) StandardError: no part named: modelRoot I really hope it is a simple exporting fix.

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  • Error correlation ID when trying to create a BI center site in Sharepoint 2010

    - by Patrick Olurotimi Ige
    Before you get to see the template to install the BI center site you will have to activate the PerformancePoint Services Site Collection Features from the : Site Collection Administration  > site collection features But after i activated it and try to create a site i get correlation error bla bla... After looking at the ULS log files i saw something related to not being able to use the SharePoint Server Publishing. So i went to the collection features and activate the SharePoint Server Publishing Infrastructure I could create a BI site

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  • Why it is so difficult to find a good Ads SDK for Windows Phone 7

    - by help.net
    This post try to address an issue with the Microsoft Advertising SDK, the main fact that today Microsoft is still refusing access to the Ad Center worldwide. Yesterday they generously increase the number of free apps we can develop from 5 to 100. According to talks with other developers and the Windows Phone 7 team, I have the strong feeling the model of publishing free apps supported by apps is the right course to take today. This probably why Microsoft has moved to a bigger figure. Am I the only...(read more)

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  • how can I disable ssh prompt from kvm remote

    - by kamil
    when I upgraded my KVM virtual machine manager to the latest version I got a question prompt every time I try to connect remotely to my machines: The authenticity of host 'kvm.local (ip address)' can't be established. ECDSA key fingerprint is b5:fa:0a:d0:39:af:0a:60:fa:04:87:6c:31:1d:13:15. Are you sure you want to continue connecting (yes/no)? And when changing any setting on a VM I was obliged to type yes and then type the root password in another dialog using ubuntu 12.04 64bit

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