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• Hitachi Data Systems definition of cloud

  - by llaszews

  1. Ability to rapidly provision and de-provision a service. (aka: provisioning) 2. A consumption model where users pay for what they use. (aka: chargeback and showback) 3. The agility to flexibly scale - 'flex up' or 'flex down' - the services without extensive pre-planning. (aka: elasticity) 4. Secure, direct connection to the cloud without having to recode applications (aka: internet-based) 5. Multi-tenancy capabilitites that segregate and protect the data. (as it says multi-tenancy) Happen to be I have been talking about 4 of the 5. Did not mention connection to internet as assumed this.

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• Is there any guarantee about the graphical output of different GPUs in DirectX?

  - by cloudraven

  Let's say that I run the same game in two different computers with different GPUs. If for example they are both certified for DirectX 10. Is there a guarantee that the output for a given program (game) is going to be the same regardless the manufacturer or model of the GPU? I am assuming the configurable settings are exactly the same in both cases. I heard that it is not the case for DirectX 9 and older, but that it is true for DirectX 10. If someone could provide a source confirming or denying it, it would be great. Also what is the guarantee offered. Will the output be exactly the same or just perceptually the same to the human eye?

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• Is it good to use same keyword for multiple pages in one domain?

  - by Phanen

  Hi, I want to know after Google recent updates, will it be good opt to use same keywords for multiple pages? Say- my keyword is "driver update" and I have a folder "HP" in website. Hp has lots of models like HP Elitebook, HP Envy, HP Mini, HP Pavilion and much more. HP Elitebook has many versions like HP Elitebook 2530p, HP Elitebook 2730p, HP Elitebook 8530w. Now should I create pages like "Driver update in HP Elitebook 2530p" , "Driver update in HP Elitebook 2730p", "Driver update in P Elitebook 8530w" or a single page "Driver update in HP Elitebook"? Which one will be the best option for better SE ranking- " single page or multiple pages using same keyword for different model versions" ?

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• ubuntu 14.04 slow

  - by TURN A

  so i upgraded to ubuntu 14.04 from 12.04 with a usb but i have internet ,my computer is really slow at 1024x768 definition ,everything works super slow ,windows closing and opening and streaming videos ,everything ive used so far.but it works fine at 800x600 definition ,i want it to be fine at the higher definition ,how do i make it run well at 1024x768 ? in additional drivers nothing shows ,and my computer mirrors by default for some reason ,i tried stopping it from mirroring but most buttons dont want to work and weird glitches happen ,the system doesnt work well when not mirroring , i dont care if it mirrors or not i just want good performance .thank you in advance for any answers !! here are the computer specs Processor 1.8 GHz 8032 RAM 2 GB DDR3 Memory Speed 1066 MHz Hard Drive 32 GB Graphics Coprocessor Graphics Media Accelerator HD Wireless Type 802.11B, 802.11G, 802.11n Number of USB 2.0 Ports 4 Expand Other Technical Details Brand Name Asus Item model number EB1030-B003L Hardware Platform Linux Operating System Ubuntu Item Weight 1.5 pounds Item Dimensions L x W x H 1.14 x 6.70 x 8.60 inches Color Black Processor Brand Intel Processor Count 1 Computer Memory Type DDR3 SDRAM Flash Memory Size 32 Hard Drive Interface Solid State Optical Drive Type No

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• 12.04 freezes on install

  - by CHris

  I'm new to ubuntu and can't for the life of me understand how to get around this issue. I'm having a problem where when I insert the boot disk that i burned for 12.04, it loads and gives me the language option and select an installation type, i select either try ubuntu / install ubuntu and it begins to load. Then after about 5 mintues of the purple screen with the dots under the UBUNTU it freezes the whole computer, and the only way to get out is to turn off the laptop with the power button. I have read previous threads saying people had similar "freezing" issues including ones that mention my model of laptop, HP Pavillion DV1000. But it appears their problems are post installation and relate to their wireless cards. I have tried changing the boot options (F6) and I am totally stuck. Can anyone shed any light on to this issue? Thanks in advance.........

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• Get/Post Controller Logic Best Practice

  - by Brian Mains

  In an ASP.NET MVC project (Razor), I have a Get request, which loads two properties on a model, dependent on the property passed into the action method. So if the parameter has a value, the Group property is supplied data. But if not, the Groups collection property is supplied data. In the post action method, when I process the data, to repopulate the view, I have to provide similar logic, and could getaway with returning Action(param) (the get response) to the caller. My question is, based on experience, is that a good practice to get into? I see some downsides to doing that, but adds the lack of code redundancy. Or is there a better alternative?

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• How should I implement the repository pattern for complex object models?

  - by Eric Falsken

  Our data model has almost 200 classes that can be separated out into about a dozen functional areas. It would have been nice to use domains, but the separation isn't that clean and we can't change it. We're redesigning our DAL to use Entity Framework and most of the recommendations that I've seen suggest using a Repository pattern. However, none of the samples really deal with complex object models. Some implementations that I've found suggest the use of a repository-per-entity. This seems ridiculous and un-maintainable for large, complex models. Is it really necessary to create a UnitOfWork for each operation, and a Repository for each entity? I could end up with thousands of classes. I know this is unreasonable, but I've found very little guidance implementing Repository, Unit Of Work, and Entity Framework over complex models and realistic business applications.

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• In the world of .Net, managed code and the web is there still a place for VBA?

  - by MrTelly

  Microsoft has moved away from the COM stack, VB6 is so last century and .Net rules the (MS) roost. Yet I find myself still banging out reams of VBA code - for a new project automating Excel seeing as you ask. I've tried to doing the same kind of thing using VSTO and it was just too damn buggy/hard/inefficient with a broken development model. I can't get rid of the feeling that I'm missing something, OTOH I really can't see a better way of solving this problem. What are your thoughts?

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• New Development Snapshot

  A fairly massive set of changes this time, mostly around .NET 4.0 suport and IKVM.Reflection fixes. Targetting .NET 4.0 Please note that the work isn't done yet (in particular, I haven't checked in all the changes required for the .NET 4.0 security model), but it is now possible to build assemblies with ikvmc that target and reference .NET 4.0 while running ikvmc on the .NET 2.0 runtime. C:\jikvmc test.class -nostdlib -lib:\windows\microsoft.net\framework\v4.0.30319 ...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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• Benefits of TOGAF or similar?

  - by Lunatik

  I can read the website blurb and be impressed by the alleged benefits, but I haven't worked anywhere or with anyone who followed the TOGAF (or any alternative) architecture framework. Our organisation has declared itself dedicated to moving from what is currently a fairly shambolic design & development model towards something approaching a modern structured process. Things like TOGAF have been mentioned as helping achieve a world-class enterprise development environment (!) but I'm convinced that no-one here really understands the real-world benefits that wholesale adoption might bring and, perhaps more importantly, the effort/pain required to achieve the same. Do you have experience in using TOGAF or similar to wrestle control in an organisation? Do you think that use of the framework brought any benefit? Edit: For clarification TOGAF is "The Open Group Architecture Framework", a detailed method and set of tools for developing an enterprise architecture. See: http://www.opengroup.org/architecture/togaf8-doc/arch/

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• The Role of High Availability Computing on Business Continuity -- Part 2 of 2

  For organizations that can't afford, sustain or justify downtime -- developing, implementing and testing a high-availability computing strategy is essential. Unplanned downtime affects company reputation, stock price and competitive strategy. It can even delay IT innovation projects necessary for delivering new services to customers. Learn how Oracle's approach to high availability computing is fundamentally different from the traditional model. Hear Oracle Thought Leader Balaji Bashyam (Vice President, Global Database Support) discuss high availability strategy, best practices, and the effects of availability on business, in a question and answer interview format. This podcast is presented in two parts and is intended for an audience of decision makers and influencers.

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• Free Windows 8 book on programming with html, css and javascript

  - by Dave Noderer

  Just a heads up from DevFish (http://devfish.net), a free book on writing applications for Windows 8using html, css and javascript by Kraig Brockschmidt . You can find the book here: http://blogs.msdn.com/b/microsoft_press/archive/2012/10/29/free-ebook-programming-windows-8-apps-with-html-css-and-javascript.aspx I have not finished reading this but so far it looks like it will be a great resource if you have any interest in trying the windows 8 javascript programming model. Besides all the aspects of controls, library support and animations the book also talks about how to make your own components in c#, vb or c++.

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• What is the point to namespaces in branches in git?

  - by dukeofgaming

  So I mainly use Mercurial for my projects and I decided to sit down and learn all Git's shenanigans to discover if I'm in the right side (at least for me). I'm learning that git uses namespaces for branches and I would like to know (in your experience) what is the point of namespaces?. In Mercurial I could just set the convention of naming branches like so: <branch name> //for "origin" branches <username>/<branch name> //for user branches I imagine that there is more to it than just the name (aside from avoiding naming conflicts), but what do I get out of this seemingly more complicated (not necessarily bad) model?

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• How do I install drivers for graphics and sound?

  - by Sid

  I recently shifted to Ubuntu 12.04 from windows 7. I completely removed Windows and then installed Ubuntu. However, I can't find a way to download and install drivers for my video and audio hardware like I used to be able to do in Windows. Could someone please explain to me how software and drivers, in general, are installed on Ubuntu. Is installing through 'Ubuntu Software Center' the only way to install them? My laptop model is: Dell Inspiron 14 N4010 (i5/4gb/500gb). Kindly help. Thanks in advance.

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• Google Analytics w3wp.exe?

  - by s15199d

  In this link Google defines a Visit. The key part that interests me now, is this: "If a user is inactive on your site for 30 minutes or more, any future activity will be attributed to a new session." Would an idle user (e.g. an employee whose PC is left on over the weekend) record "activity" as a result of the w3wp.exe process recycling? Our site caching model refreshes every 30 minutes. Could this trigger "activity" for an idle user? I've asked this on the Google Analytics forum a week ago and no response.

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• Technical Article: Experimenting with Java Timers

  - by Tori Wieldt

  OTN's new tech article is "Experimenting with Java Timers" by T. Lamine Ba. This article studies time—how Java handles timers and the scheduling of tasks. Java timers are utilities that let you execute threads or tasks at a predetermined future time, and these tasks can be repeated according to a set frequency. The article starts with a simple "Hello World" program in a web application that's composed of JavaServer Pages (JSP) and uses the model-control-view (MVC) design pattern. The IDE used in this article is NetBeans IDE 7.1, but you can use any IDE that supports Java. "Experimenting with Java Timers" demonstrates how to get started scheduling jobs with Java. To learn about Swing timers, check out the Java tutorial "How to Use Swing Timers" and additional information in the Java Platform, Standard Edition 7 API Specification for Class Timer. 

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• Are session aware Models a bad thing?

  - by kevtufc

  I'm thinking specifically in Rails here, but I suspect this is a wider question. In a Rails web application I'm using data from the session in models in order that the models know who is logged in. I use this in a method which filters out some data from the database depending on a very simple permissions system. The thing is: using sessions in models in Rails requires a bit of a workaround. It works, but I've a feeling that it's something that I shouldn't be doing and I'm worried there's a big gotcha I'm missing. I suppose the Right Thing To Do would be to return all the data and filter out the not-wanted bits in the controller before passing that to the view, but doing it in the model seems to avoid quite a bit of code duplication and so feels "cleaner." Can anyone tell me why or shouldn't do this? Or that it's not a problem?

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• Assigning a colour to imorted obj. files that are being used as default material

  - by Salino

  I am having a problem with assigning a colour to the different meshes that I have on one object. The technique that I have used is the first approach on this site. Is it possible to export a simulation (animation) from Blender to Unity? So what I would like to do is the following. I have about 107 meshes that are different frames from my shape key animation of my blender model. What I would like to have is that the first mesh will be bright green and up to the 40th mesh the colour turns to be white /greyish... the best would be if I could assign every mesh by hand a colour, however they are all default materials. And if I assign the object a colour, the whole "animation" is going to be in that colour

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• How can I bind an interface to a class decided by an xml or database configuration at the launch of the application?

  - by ipohfly

  I'm re-working on the design of an existing application which is build using WebForms. Currently the plan is to work it into a MVP pattern application while using Ninject as the IoC container. The reason for Ninject to be there is that the boss had wanted a certain flexibility within the system so that we can build in different flavor of business logic in the model and let the programmer to choose which to use based on the client request, either via XML configuration or database setting. I know that Ninject have no need for XML configuration, however I'm confused on how it can help to dynamically inject the dependency into the system? Imagine I have a interface IMember and I need to bind this interface to the class decided by a xml or database configuration at the launch of the application, how can I achieve that?

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• Understanding how to go from a scene to what's actually rendered to screen in OpenGL?

  - by Pris

  I want something that explains step by step how, after setting up a simple scene I can go from that 'world' space, to what's finally rendered on my screen (ie, actually implement something). I need the resource to clearly show how to derive and set up both orthographic and perspective projection matrices... basically I want to thoroughly understand what's going on behind the scenes and not plug in random things without knowing what they do. I've found lots of half explanations, presentation slides, walls of text, etc that aren't really doing much for me. I have a basic understanding of linear algebra/matrix transforms, and a rough idea of what's going on when you go from model space - screen, but not enough to actually implement it in code.

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• Bad sound quality and headphones not working

  - by wifi

  Using Ubuntu 10.10, on a HP Pavilion t3019.es, which has a Realtek ALC880 soundcard. It has 6 rear jack outputs, plus digital audio input and output, plus 3 front jacks (mic, headphones and a blue one which i don't know what's for). The sound on my computer is very low, and when i raise the volume up to 50%, it starts sounding distorted, crackling. Also, the headphones don't work when i plug them (it just keeps on playing through the speakers). I tried to comment the "/etc/modprobe.d/alsa-base.conf" file according to the soundcard and jacks in my computer, but none of the lines added worked (naturally, didn't added them at once). I found out that adding "options snd-hda-intel model=generic" to it made the sound better, but it's not as good as in Windows yet. Any ideas? Other than setting the PCM value, didn't work for me. Thanks.

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• Speaking at SharePoint Saturday Cincinnati

  - by Enrique Lima

  I will be not only attending SPS Cincinnati, but also speaking. And I am very happy and excited about it! The topic: The difference between learning and training: Creating a SharePoint based Learning Management System The description: Training and learning have been defined as synonyms by many organizations. The difference is, training has focused on a classic and traditional model. Learning on the other hand, refers to achieving something from the receiving side of the story, not just delivery. In focusing on driving adoption it is important to have a strategy where learning is also part of the plan. This session focuses on how to create a SharePoint Learning Plan, and how to deliver the plan through the implementation of a Learning Management System. Come join us! More information about SharePoint Saturday Cincinnati can be found here: http://sharepointsaturday.org/cincinnati/default.aspx

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• Targeting a vehicle with complex movement?

  - by e100

  Targeting a vehicle with known constant velocity is simple, and collision is guaranteed. Imprecise AI can be modeled by adding a small error factor. But how would one go about targeting a vehicle whose movements are more complex? Perhaps it's evading the AI or another game object. I've been thinking about how I'd do it myself in a FPS (in which bullets have finite speed) and think there might need to be at least couple of targeting modes based on the target's movement in the previous second or so: If it's near linear (peak acceleration in a certain range) target with the linear model If it's highly irregular (perhaps size of bounding box of recent positions could be used?) , target at an average For now I can assume 2d space, AI is stationary and projectile moves linearly.

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• Unity, Unrealistic Sphere On Inclined Plane

  - by user1086516

  So I am trying to model a ball rolling down an inclined surface in Unity based on what I am observing in real life but it is still quite off. In Unity it takes the ball about 3 seconds to travel from a place to another specified place where in real life it only takes 1 second. The ball isn't as fast to react to the incline as in real life (even though I have tried giving the ball and surface low or zero friction values) The ball does not accelerate as nearly as fast as it does in real life What do I do to give the ball more realistic behavior ? I have tried messing around with mass, physics materials, drag, and angular drag on the ball and surface but it doesn't seem to be helping.

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• Internet Not Working... Initially Worked fine

  - by Sneha429

  I am using an HP Pavilion desktop, not sure of exact model, etc. Initially saucy looked and worked great. It's my parents, and after two days of no issues, they started having more than a few. The mostly use the internet to access email and videos. I believe Google Chrome was the only application they used. Then, the internet stopped working. Restarting didn't fix it, neither did turning the internet on and off. The computer went from lightening fast to inexplicably slow. I've read some other posts about the internet not working, but none seemed applicable. Any suggestions?

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