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• Why DbContext object shouldn't be referred in Service Layer?

  - by nazmoonnoor

  I've been looking for some implementations of Service Layer and Controller interaction in blogs and in some open source projects. All of them seem to refer DbContext object in repository classes but avoided to use in service classes. Service classes essentially using a IQueryable<T> references of DbSet<T>. I want to know why this practice is good and why DbContext shouldn't have a reference in Service Layer.

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• Wireless broken after latest 12.04 update

  - by inderpaldeol

  I updated 12.04 yesterday and it broke my wireless connection. iwconfig lo no wireless extensions. eth0 no wireless extensions. l@ubuntu:~$ lspci|grep Network 03:00.0 Network controller: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe In the hardware drivers, I see - rt3090sta is activated but currently not in use. WICD does not show wireless networks. Can someone help me please? Thanks id

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• HOW TO: Change Internet Expenses Cost Center Prompt

  - by rveliche

  The cost center segment on the General Information page in Oracle Internet Expenses derives its label from the Prompt entered on the KFF setup. Changing this is not possible with the simple personalization, the details below provide the instructions to change the Prompt. Create a custom class, I call it CustomHeaderKffCO.java in the package oracle.apps.ap.oie.entry.header.webui  (or any other). This class will have to extend from oracle.apps.ap.oie.entry.header.webui.HeaderKffCO. Add the following logic to your custom class. package oracle.apps.ap.oie.entry.header.webui; import oracle.apps.fnd.framework.webui.OAPageContext; import oracle.apps.fnd.framework.webui.beans.OAWebBean; import oracle.apps.fnd.framework.webui.beans.message.OAMessageLayoutBean; import oracle.apps.fnd.framework.webui.OAControllerImpl; public class CustomHeaderKffCO extends HeaderKffCO {   public void processRequest(OAPageContext pageContext, OAWebBean webBean)   {      super.processRequest(pageContext, webBean);     OAMessageLayoutBean layoutBean = (OAMessageLayoutBean) webBean.findChildRecursive("KffSEGMENT2MessageLayout");    if(layoutBean != null)   {     // You should use messages/lookups to avoid translation issues.     layoutBean.setLabel("Cost Center");   }   } } KffSEGMENT2MessageLayout is for illustration only, my Chart Of Accounts has SEGMENT2 as the cost center segment. Please change this to a segment being used eg.Segment6 should be KFFSEGMENT6MessageLayout Note that super.processRequest(pageContext, webBean); is a must and should always be the first statement. Once the class is compiled, copy the class to an appropriate directory, in my case I used $JAVA_TOP/oracle/apps/ap/oie/entry/header/webui. Navigate to the General Information page, click on "Personalize General Information Page".Click on Personalize icon next to Message Component Layout: (OIEGeneralInformationMsgCLayout)In the controller class section update the new controller at the appropriate levelIf the Link "Personalize General Information Page" is not visible on your instance, check your personalization profiles.

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• How to enjoy Firefox with their lot&rsquo;s of version.

  - by anirudha

  many developer want to use many version of a application. Firefox have not facility to stand alone installation but here is a trick to enjoy their nightly and stable version both. make a folder anywhere in your system. make two folder the name depend on your choice. in first install the Firefox Nightly and second install the current stable version 3.6.12 now the application already add to your start menu otherwise add them manually. now you can use both version nightly and stable. if you deug your web application in IDE such as visual studio or other then they force to open the default browser set in your system they open the version who you use last time. if you use last time nightly then they open your web-application in nightly otherwise in current stable version.

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• Can my machine run Ubuntu( kubuntu | xubuntu | mint ) 12.04 WELL?

  - by Steve

  I have a 9 year old computer packing the hardware listed below. My question is, can I run 12.04 ( Ubuntu, Kubuntu, MINT or Xubuntu ) WELL? I was running Ubuntu 10.10 and I upgraded to 12.04 by going through each release via the update manager: 11.04 - 11.10 -12.04 During the installation process for 12.04 I saw an error message that there was an error installing and setting up part of the kernel. Later, when I tried installing a package in synaptic, I got another error message mentioning the kernel. When I rebooted, I got told somehting about my video and graphics was not configured properly and that I would have to do it manually ( like I know ). It gave me the option to enter the system in low graphics mode, but it just hanged. I had an old livecd of Xubuntu 10.10 around so I used that to get into my computer and copy data over to an external hard drive. I think tried to install Xubuntu 10.10 from the livecd, with the option "download updates" checked. The install process moved along a bit, then halted for about 5 hours. I rebooted my machine and tried the Xubuntu 10.10 installer WITHOUT the option to "download updates". The install completed in about 15 minutes. So, all of that is making me wonder if there is someting about 12.04 that does not like my hardware. I'm willing to try again, but only if I know I will not have to spend hours just to get to an error message and a hosed up system like I did last night. I also think I have a lot more RAM than is being reported in the output below. I had extra ram installed last year. I'm not good with the command line readouts, but there seems like there should be a lot more. I wasn't thrilled with Unity. I am willing to try Kubuntu 12.04. Will I run into the same problems? What is the highest version of a *ubuntu can I upgrade to? Thanks CPU Model: Intel(R) Pentium(R) 4 CPU 2.53GHz Frequency: 2533.223 MHz L2 Cache: 512 KB Bogomips: 5066.44 Numbering: family(15) model(2) stepping(7) Flags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe up pebs bts cid RAM ~$ free -mt total used free shared buffers cached Mem: 1506 891 615 0 91 521 -/+ buffers/cache: 278 1227 Swap: 1609 0 1609 Total: 3116 891 2225 Video Card 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev a2) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. V9180 Magic Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 16 Memory at fd000000 (32-bit, non-prefetchable) [size=16M] Memory at f0000000 (32-bit, prefetchable) [size=64M] Expansion ROM at fe9e0000 [disabled] [size=128K] Kernel driver in use: nouveau Kernel modules: nouveau, nvidiafb Motherboard Intel 845PE ATX 533FSB DDR333 USB2

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• Sortie officielle de WebMatrix, le nouvel outil de développement Web de Microsoft pour les débutants ou les petites entreprises

  Sortie officielle de WebMatrix Nouvel outil de développement web de Microsoft pour les débutants ou les petites entreprises Mise à jour du 14/01/11 Comme nous l'avions prévu hier (lire ci-dessous) WebMatrix, le nouvel IDE de Microsoft est sorti. WebMatrix est un outil tout-en-un destiné à tous les développeurs mais particulièrement aux étudiants, ou ou aux personnes cherchant un moyen simple et rapide de créer un site Web. Il comprend IIS Express (serveur de développement web), ASP.NET Web Pages (technologie de développement web), et SQL Server Compact (base de données embarquée). « WebMatrix démocratise la plateforme web en...

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• Is it already possible to enable Compiz on an i5 Thinkpad laptop?

  - by jmm

  Besides a number of other issues, I still cannot enable Compiz or any effects with Maverick on a Thinkpad X201. I understand this laptop is supported by Ubuntu, yet I have found a good number of posts reporting problems. I would like to know if they have been solved by now. Processor: 4x Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz Intel Corporation Core Processor Integrated Graphics Controller (rev 02) OpenGL Renderer Mesa DRI Intel(R) Ironlake Mobile GEM 20100330 DEVELOPMENT 2.6.35-27-generic #47-Ubuntu SMP Thanks for your help, jmm

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• Dell Latitude D830 DVD Drive Not Recognized

  - by DragonFire

  Unlike some people who have issues with the video or WiFi drivers, I suffer from not being able to use the DVD drive on this laptop. Upon POST, the BIOS sees it and I am able to open the tray as well; however, once the system starts to load up Ubuntu or other distros (Debian and Linux Mint), I lose all functionality. Plus, I don't see it listed as a device in the OS. I've poured over the internet the past few days trying to see if anyone else has the issue, or did and found a solution but sadly, nothing anywhere so far. So, I thought I would ask the community here and see what you all think. Worse case scenario, I have some dead weight to a nice little machine. Thanks! PS I honestly think Linux doesn't like the IDE interface the disc drive has.

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• Netbeans styles. Are there style profiles similar to Notepad++?

  - by Djeman

  Not long ago I started to use Ubuntu. When I was on Windows I used Notepad++. I was very surprised when I found that Notepad++ is only for Windows. So I installed Netbeans. Netbeans is a powerful IDE and in general I like it, except default styles. Maybe are there style profiles (i.e. plugins or other forms)? It would be good if there is a style profile completely identical to Notepad++. I will be very thankful if you would help me to find what I'm looking for.

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• Sneak Peek: Reports In Visual Studio 2010, WPF & Silverlight

  The DevExpress Reports team has been busy preparing for the DXperience v2010.1 release. Im happy to report that theyre hard work has paid off and the new items for v2010.1 look fantastic: Complete Support for Visual Studio 2010 The XtraReports Suite now fully supports the new Microsoft IDE providing the same feature set as for the previous Visual Studio versions: Create new reports using templates available through the Add New Item dialog Use fully-integrated report designer with native...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• UbuntuStudio 12.04 does not boot after install - no "intrd" image

  - by user72705

  After installing Ubuntu Studio 12.04 from DVD onto the fourth hard disk, it fails to boot, even when explicitly choosing the fourth hard disk as the boot device. I have SUSE 11.2 on the first 2 SCSI disks (which form a RAID) and Studio64 on the 1st IDE disk (that is, the third disk). Looking at the /boot directory on the Ubuntu partition, I see there is no initrd image. Editing the GRUB configuration file to include (hd3,1)/vmlinuz and of course (hd3,1)/initrd should fix the problem. But still GRUB gives a file not found error. This appears to me that, no mkintrd during the booting process (checked with LiveCD) runs like in OpenSUSE. How do I create the initrd to make Ubuntu bootable.

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• How to run/test JavaScript? [closed]

  - by user702

  I'm reading David Flanagan's "JavaScript: The Definitive Guide, 6th ed". It only actually tells users how to run JS code on page 311, where users are told of the following solutions: "Client-side JavaScript code is embedded within HTML documents in four ways: Inline, between a pair of <script> and </script> tags From an external file specified by the src attribute in a <script> tag In an HTML event handler attribute, such as onclick or onmouseover In a URL that uses the special javascript: protocol." I was wondering what professional JS developers use to write and test their code: Do they use a good text editor with syntax high-lighting + autocompletion, hit F5 in the browser to reload the page every time they make a change, and use some add-on in the browser to investigate errors? Or are there full-fledged IDE's similar to MS VisualStudio for non-web languages?

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• Linux on 8-bit

  - by nospam(at)example.com (Joerg Moellenkamp)

  This is nothing short of extremly cool from a technical perspective. The author has done it by writing an ARM emulator for an AVR controller and running Linux with this emulation : Linux on an 8-bit micro?.This is definitely not the fastest, but I think it may be the cheapest, slowest, simplest to hand assemble, lowest part count, and lowest-end Linux PC. The board is hand-soldered using wires, there is not even a requirement for a printed circuit board

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• cannot install ubuntu 12.04 using wubi

  - by vicky

  I recently installed windows 7 on my pc and I have been unsuccessfully trying to install ubuntu 12.04 on it. I used to have dual boot system before both with windows and linux. I changed my hard drive from ide to ahci (default option) burned the ubuntu cd properly (not the .iso file) using the ubuntu 12.04 distribution I downloaded from the official site, set boot priority to cd/dvd but.. Nothing. It tries to boot from the cd, doesn't manage and turn to boot from the hard drive. I also tried wubi. I opened it through windows, got the window that asks me to choose "demo and installation" or "more on ubuntu" (something like that), I choose the first option, reboot manually my computer and it keeps returning on windows mode and doesn't boot from the cd. What can I do? Thanks!

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• Should students have the right to do exams using a computer?

  - by vemv

  In some colleges students are let to use an IDE and Internet and in mine you have to write down your solution in paper. As far as I know, it's pretty much impossible to make a correct non-trivial program on the first try. I'd be fine with no using computers if my teachers assessed my approach instead my code -literally-... that's not the case unfortunately. Which ones are more usual, 'written' or 'coded' exams? And which way is the most adequate?

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• Is it a good idea for exams to be done on a computer?

  - by vemv

  In some colleges students are let to use an IDE and Internet and in mine you have to write down your solution in paper. As far as I know, it's pretty much impossible to make a correct non-trivial program on the first try. I'd be fine with no using computers if my teachers assessed my approach instead my code -literally-... that's not the case unfortunately. Which ones are more usual, 'written' or 'coded' exams? And which way is the most adequate? Edit - question title changed (it used to be Should students have the right to do exams using a computer?)

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• La page outils Qt mise à jour : les meilleurs outils et bibliothèques à votre disposition

  Bonjour, La rubrique Qt se met à jour, ces temps-ci. Après la FAQ, c'est au tour de la page des Outils de s'y mettre. Que recense-t-elle ? Par exemple, tous les IDE prévus dès l'origine pour fonctionner avec Qt. Mais aussi d'autres bibliothèques, basées sur Qt, qui en étendent les fonctionnalités. Vous trouverez votre bonheur sur cette page mise à jour : les meilleurs outils et bibliothèques pour Qt. Que pensez-vous de ces quelques bibliothèques ? Certaines sont-elles vraiment obsolètes, et ne méritent plus d'être présentes ? Ou bien, au contrai...

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• Whats the right program for me?

  - by andyphillips20

  I would like to learn C++ so I can get a job in the game industry, but there are so many options it a little confusing. I know most of you will say I should read up on C++ before attempting to program it but I learn best by doing things rather then reading. That being said I don't understand some of the thing suggested on other questions, because I've read a few trying to find whats right for me, so putting things in the simplest terms would be helpful. I've been making a couple of games 2d using gamemaker and if theres a C++ equivalent that would be perfect, but if not possible I would like an IDE that allows me to easily continue making 2d games, and is fairly simple to learn. Having a 2d sprite editor would be a nice plus but I can understand if its not every thing I want in one program

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• Yet another Java EE 6 book

  - by alexismp

  We have a new Java EE 6 book in store! This one from Packt Publishing is called "Java EE 6 Development with NetBeans 7" by David Heffelfinger who is also author of Java EE 5 and GlassFish books. This book holds a step-by-step book documention all of the Java EE 6 features and APIs (including CDI) using the IDE with the best Java EE out-of-the-box experience : NetBeans 7. It uses GlassFish as the default container and PrimeFaces as a JSF component suite. We've covered several Java EE and GlassFish books before and I can't help but think that given writing books never helped authors retire early, having so many good books on Java EE 6 says something about its success among developers.

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• How much will be difference between building php sites with SVN and not using it

  - by user1315279

  I have been developing PHP sites for about 5 years but never used SVN. But i am going to start in new company and they use SVN. Tomorrow is my first day. I want to know that how site developement differes with SVN. WITHOUT SVN I make test account on Linux server via cpanel I make database tables Put all files in /home/user/public_html and i use PHP designer as IDE to edit files and i can see the results on test.mydomain.com I just want to know how much will be the difference with SVN. I mean what will be the steps

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• Running crysis 2 on ubuntu gives me an error message

  - by ShajD

  so i recently installed ubuntu alongside windows 7 and i installed crysis 2 with wine. crysis 2 works fine when i run windows, however when i run it using wine in ubuntu cryengine gives me a message saying, "Unsupported video card detected! Continuing to run migth lead to unexpected results or crashes....." i've got two video cards ones an intel and the other's a nvidia. i typed lspci into the terminal and my nvidia card was listed under video controller as well

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• Which Qt4 Widgets whould I be using? [closed]

  - by Topo

  I'm using Qt 4 to design an IDE but I'm having a hard time with the GUI design. On the left side I want to put a widget that shows the files on the current project and on the left side a similar one but with the classes, methods, etc... Which widget should I use the Tree view or the tree widget? Also, I want to have a tab widget in the center with a text edit and this items the tree widgets and the tab widget to move and resize according to the window size. How can I accomplish this?

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• Has anyone tried the Lenovo USB 3.0 Dock on Ubuntu?

  - by user88360

  I'm thinking on buying the Lenovo USB 3.0 Dock and use it with Ubuntu and Unity, but I haven't found information regarding if Ubuntu already has built-in drivers for it. The link to this product is this one: http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPortal/en_US/catalog.workflow:item.detail?GroupID=460&Code=0A33970#overview So, I'd just like to know if its a good idea getting it or I'd better not because I might have a difficult time trying to set it up. Thanks.

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• Downloading stream using FileStreamResult

  - by user1400915

  I have a Action in controller as public ActionResult Download() { return File(downloadStream, "application/octet-stream", fileName); } If I want to use FilePathresult as: public FilePathResult Download() { return File(downloadStream, "application/octet-stream", fileName); } can I call the Download() on click of a button like this @Html.ActionLink("FileDownload", "Download", new { file = item.FileName, GuID = item.DocumentGuID }) /text).Width(10);

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• Installer Preview: Smarter, Faster And Sexier v2010 vol 1

  Check out the images below of the updated DXperience v2010.1 Unified .NET Installer. First lets review some of the changes: Smarter This installer will work for both Visual Studio 2008 and 2010. Because some of the features and products will only work in VS2010, the installer will automatically enable and disable the products based on the IDE and .NET frameworks installed. More on this below. The installer now uses Visual Studios built-in ASP.NET Development Server to simplify using our...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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