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• Conference Calling Meetme.conf PROBLEM - Astarisk

  - by Zafer

  I am facing problem in conference calling (OS ubuntu latest) ... I created a conference Room and an extension no .. when i dial from my softphone (3cx or X-Lite) it says "YOU ARE ENTERING CONFERENCE NO 1234. YOU ARE CURRENTLY THE ONLY PERSON IN THE CONFERENCE) and then a music for a second and then shows connected... Now when i dial form another soft phone the same extension it goes to second conference room and plays the same message .. if i create only one conference room .. the second no. didn't connect to it and says no conference room. CAN some one help me out .... I just want to create a conference room OR extension where 4-5 or 6 people can call and make a conference ... i am not very much expert in linux and asterisk so simple steps to achieve my goal .. Thanks

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• Wordpress .htaccess preventing subfolder access

  - by John K.

  This is sort of a goofy setup, but it's not in my power to reconfigure it at this time. I'm running in a shared hosting environment. The domain is example.com. This is an add-on domain on the host side with example.com being redirected to the www/example.com sub-directory. That directory houses a standard Wordpress site which acts as the main site when you visit example.com. The .htaccess file within that directory is: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteRule ^wp-admin/profile\.php$ /ssm/welcome [R] </IfModule> I have a subdirectory, at the root level with the /example.com subdirectory that houses a cake php application. That subdirectory is /tracker. My problem is that when I attempt to browse to example.com/tracker, I get a 404 from Wordpress because perma links are on. What I think I need is a rewrite rule in the Wordpress .htaccess file that short circuits the existing rewrite rules and permits example.com/tracker to work independently of the Wordpress install. Or a rewrite rule at the root level that short circuits the redirect to the /example.com directory in the first place. Not sure how well I explained that so here's a summary. The www/ directory structure: example.com/ tracker/ Add on domain of www.example.com redirecting to the /example.com directory with Wordpress and a tracker/ directory running CakePHP which I would like to access via www.example.com/tracker. If you need further info or clarification let me know!

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• Script to create or drop all primary keys now on TechNet Wiki.

  - by John Paul Cook

  I posted my script to create or drop all primary keys on the TechNet Wiki. You can find it at http://social.technet.microsoft.com/wiki/contents/articles/script-to-create-or-drop-all-primary-keys.aspx . I first published the script here in 2009 and I've always wanted a way for the community to enhance it or correct it. The TechNet Wiki makes that possible. Visit the Wiki and see if you like this approach to publishing scripts....(read more)

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• Possible problems in a team of programmers [on hold]

  - by John

  I am a "one man team" ASP.NET C#, SQL, HTML, JQuery programmer that wants to split workload with two other guys. Since I never actually thought of possible issue in a team of programmer, there are actually quite a few that came to my mind. delegating tasks (who works on what which is also very much related to security). I found Team Foundation Service could be helpful with this problem and started reading about it. Are there any alternatives? security (do now want for original code to be reused outside the project) How to prevent programmers from having access to all parts of code, and how to prevent them from using that code outside of project? Is trust or contract the only way?

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• ConsumeStructuredBuffer, what am I doing wrong?

  - by John

  I'm trying to implement the 3rd exercise in chapter 12 of Introduction to 3D Game Programming with DirectX 11, that is: Implement a Compute Shader to calculate the length of 64 vectors. Previous exercises ask you to do the same with typed buffers and regular structured buffers and I had no problems with them. For what I've read, [Consume|Append]StructuredBuffers are bound to the pipeline using UnorderedAccessViews (as long as they use the D3D11_BUFFER_UAV_FLAG_APPEND, and the buffers have both D3D11_BIND_SHADER_RESOURCE and D3D11_BIND_UNORDERED_ACCESS bind flags). Problem is: my AppendStructuredBuffer works, since I can append data to it and retrieve it from the application to write to a results file, but the ConsumeStructuredBuffer always returns zeroed data. Data is in the buffer, since if I change the UAV to a ShaderResourceView and to a StructuredBuffer in the HLSL side it works. I don't know what I am missing: Should I initialize the ConsumeStructuredBuffer on the GPU, or can I do it when I create the buffer (as I amb currently doing). Is it OK to bind the buffer with a UAV as described above? Do I need to bind it as a ShaderResourceView somehow? Maybe I am missing some step? This is the declaration of buffers in the Compute Shader: struct Data { float3 v; }; struct Result { float l; }; ConsumeStructuredBuffer<Data> gInput; AppendStructuredBuffer<Result> gOutput; And here the creation of the buffer and UAV for input data: D3D11_BUFFER_DESC inputDesc; inputDesc.Usage = D3D11_USAGE_DEFAULT; inputDesc.ByteWidth = sizeof(Data) * mNumElements; inputDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_UNORDERED_ACCESS; inputDesc.CPUAccessFlags = 0; inputDesc.StructureByteStride = sizeof(Data); inputDesc.MiscFlags = D3D11_RESOURCE_MISC_BUFFER_STRUCTURED; D3D11_SUBRESOURCE_DATA vinitData; vinitData.pSysMem = &data[0]; HR(md3dDevice->CreateBuffer(&inputDesc, &vinitData, &mInputBuffer)); D3D11_UNORDERED_ACCESS_VIEW_DESC uavDesc; uavDesc.Format = DXGI_FORMAT_UNKNOWN; uavDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER; uavDesc.Buffer.FirstElement = 0; uavDesc.Buffer.Flags = D3D11_BUFFER_UAV_FLAG_APPEND; uavDesc.Buffer.NumElements = mNumElements; md3dDevice->CreateUnorderedAccessView(mInputBuffer, &uavDesc, &mInputUAV); Initial data is an array of Data structs, which contain a XMFLOAT3 with random data. I bind the UAV to the shader using the Effects framework: ID3DX11EffectUnorderedAccessViewVariable* Input = mFX->GetVariableByName("gInput")->AsUnorderedAccessView(); Input->SetUnorderedAccessView(uav); // uav is mInputUAV Any ideas? Thank you.

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• session management: verifying a user's log-in state

  - by good_computer

  I am storing sessions in my database. Everytime a user logs in, I create a new row corresponding to the new session, generate a new session id and send it as a cookie to the browser. My session data looks something like this: { 'user_id': 1234 'user_name': 'Sam' ... } When a request comes, I check whether a cookie with a session id is sent. If it is, I fetch session data from my database (or memcache) corresponding to that session id. When the user logs out, I remove the session data from my database (and memcache), and delete the cookie from the user's browser too. Notice that in my session data, I don't have something like logged_in: true. This is because if I find a session record in the database (or memcache) I deduce that the user is logged in, and if there is no session record found, the user is not logged in. My question is: is this the right approach? Should I have a logged_in key in my session data? Is there any possibility that a session record may be present on the server where the corresponding user is actually NOT logged in? Are there any security implications in having or not having such a key?

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• VCE at the VCS!?!?

  - by John Murphy

  VCE stands for Value Chain Execution, VCS stands for Value Chain Summit and in February in San Francisco, VCE will be fully represented at the VCS. The Value Chain Summit is Oracle's first large scale Supply Chain Management event specifically aimed at both current and prospective users of Oracle Supply Chain Management applications. This inaugural event is Feb 4-6, 2013 in downtown San Francisco.  Over 1000 attendees will meet to discuss and see what's new in product releases, what recent business trends are impacting supply chains, how technology is evolving, where supply chains are headed, and what companies are doing about it.  As the market leader in Value Chain Execution applications, VCE sessions and demonstrations will provide attendees direct access to the most sophisticated logistics applications in the world.  Already a user of VCE applications?   That's all the more reason to attend as sessions are specifically designed to address the latest features in the upcoming 6.3 release.  Detailed content will be shared by development and strategy personnel so you can get all the answers you need to improve your use of the VCE applications you currently have deployed.   Please join us in San Francisco in February!  

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• Seeking questions about creating Microsoft Live Labs Pivot collections

  - by John Conwell

  I've spent the past 3 weeks working a lot with Pivot from Microsoft Live Labs (http://getpivot.com/).  Pivot is a tool that allows you to visually explore data. Its an interesting take on visual data mining. Anyway, I've been writing a lot of code that creates a hierarchy of Pivot collections, where one item in the collection drills down into an entirly new collection. The dev community around Pivot is still very young, so there isnt much tribal knowledge built up yet.  I've spent a lot of time trying to get things to work through trial and error, as well as digging around in Reflector.  But I've finally got a framework built for programatically creating DeepZoom images, Pivot collections, Sparse Images, etc.   If anyone has any questions, or suggestions on a post topic, leave a comment and I'll try and answer your question.

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• What is wrong with Unix/linux

  - by John Smith

  This is a genuine question motivated by Ideal Operating System When I moved from DOS to Linux in the late 90s it was an eye opener for me. Long file names, arbitrarily many extensions etc... Now I look at Linux and Unix and see all sorts of issues. Here are things I see which could be fixed. Too much depends on root, and rootly powers cannot be voluntarily delegated over several users. (I would love to give up my power to manager printers and delegate the job to another account) File permissions are very limited, and there is not much metadata to go with files. The "everything is a file" metaphor is not true, Plan 9 gets it right(er).

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• How to configure Google Analytics experiments manually

  - by John

  I wish to run multivariate tests on an e-commerce site that run across all product pages. I will be setting and deciding the variations myself all I need to do is track the results in GA. I think may be possible (although only A/B testing is available via the GA UI): https://developers.google.com/analytics/devguides/platform/features/experiments#serving-framework EXTERNAL – You will choose variations, handle experiment optimization, and only report the chosen variation to Google Analytics. For example, this should be used by 3rd-party optimization platforms that want to integrate with Google Analytics for reporting purposes. In this case, the Google Analytics statistical engine will not run. However how do I configure this and push the data to GA in my page?

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• Deferred Rendering With Diffuse,Specular, and Normal maps

  - by John

  I have been reading up on deferred rendering and I am trying to implement a renderer using the Sponza atrium model, which can be found here, as my sandbox.Note I am also using OpenGL 3.3 and GLSL. I am loading the model from a Wavefront OBJ file using Assimp. I extract all geometry information including tangents and bitangents. For all the aiMaterials,I extract the following information which essentially comes from the sponza.mtl file. Ambient/Diffuse/Specular/Emissive Reflectivity Coefficients(Ka,Kd,Ks,Ke) Shininess Diffuse Map Specular Map Normal Map I understand that I must render vertex attributes such as position ,normals,texture coordinates to textures as well as depth for the second render pass. A lot of resources mention putting colour information into a g-buffer in the initial render pass but do you not require the diffuse,specular and normal maps and therefore lights to determine the fragment colour? I know that doesnt make since sense because lighting should be done in the second render pass. In terms of normal mapping, do you essentially just pass the tangent,bitangents, and normals into g-buffers and then construct the tangent matrix and apply it to the sampled normal from the normal map. Ultimately, I would like to know how to incorporate this material information into my deferred renderer.

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• Force www. on multi domain site and retain http or https

  - by John Isaacks

  I am using CakePHP which already contains an .htaccess file that looks like: <IfModule mod_rewrite.c> RewriteEngine on RewriteRule ^$ app/webroot/ [L] RewriteRule (.*) app/webroot/$1 [L] </IfModule> I want to force www. (unless it is a subdomain) to avoid duplicate content penalties. It needs to retain http or https Also This application will have multiple domains pointing to it. So the code needs to be able to work with any domain.

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• WUXGA revisited

  - by John Paul Cook

  I previously blogged about my search for a 17” 1920x1200 laptop. The only one I could find was a 17” MacBook Pro, which has been an excellent machine for running Windows and SQL Server. It is no longer made. Apple has a few refurbished ones available. Just be sure to get a matte display if you buy one. If you want WUXGA resolution or better in a laptop, your only off the shelf option is now the 15” MacBook Pro with the Retina display, which is 2880x1800. This exceeds the resolution of my 30” 2560x1600...(read more)

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• How do I install the Intel Graphics driver in my system?

  - by John

  Can someone help me out and explain or point me in the right direction on how to check video drivers and see if my video card running okay? I had 10.04 installed on my Thinkpad r61 with Compiz Manager and life was great, until the machine took water damage. I bought an ASUS (X54H) since and am trying out 12.04, but the desktop just doesn't look right. I always struggled with video driver installation. There are no proprietary drivers available in the hardware manager. When I run lspci | grep VGA: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) I will greatly appreciate your help. I want to use Linux more, but like I said video drivers appear to be my biggest concern. I have also tried 12.04 on my desktop PC, but again failed to configure video card, so switched back to Windows 7.

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• what are some good interview questions for a position that consists of reviewing code for security vulnerabilities?

  - by John Smith

  The position is an entry-level position that consists of reading C++ code and identifying lines of code that are vulnerable to buffer overflows, out-of-bounds reads, uncontrolled format strings, and a bunch of other CWE's. We don't expect the average candidate to be knowledgeable in the area of software security nor do we expect him or her to be an expert computer programmer; we just expect them to be able to read the code and correctly identify vulnerabilities. I guess I could ask them the typical interview questions: reverse a string, print a list of prime numbers, etc, but I'm not sure that their ability to write code under pressure (or lack thereof) tells me anything about their ability to read code. Should I instead focus on testing their knowledge of C++? Ask them if they understand what a pointer is and how bitwise operators work? My only concern about asking that kind of question is that I might unfairly weed out people who don't happen to have the knowledge but have the ability to acquire it. After all, it's not like they will be writing a single line of code, and it's not like we are looking only for people who already know C++, since we are willing to train the right candidate. (It is true that I could ask those questions only to those candidates who claim to know C++, but I'd like to give the same "test" to everyone.) Should I just focus on trying to get an idea of their level of intelligence? In other words, should I get them to talk and pay attention to the way they articulate their thoughts, and so on?

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• Do you know your DNS server?

  - by John Paul Cook

  If you don’t know your DNS server is valid, you need to find out before July 9. The FBI found rogue DNS servers and replaced them with clean, safe DNS servers to protect the public. These safe, clean servers will be turned off on July 9, 2012. If your computer was compromised to use the rogue servers, it will stop resolving DNS queries on July 9 when the clean servers are turned off. The FBI has provided full technical details at http://www.fbi.gov/news/stories/2011/november/malware_110911/DNS-changer-malware.pdf...(read more)

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• cpu use goes to 100% when I lock the screen

  - by gianni

  Whenever I lock the screen, after a certain amount of time, the cpu and the cpu fan use go up near the limit, and it returns back to normal the moment I unlock the screen again (as shown by psensor). How can I find out what process is responsible for this? I've tried with "top -S", and the result is this... PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2114 me 20 0 326m 104m 40m R 16 2.6 66:50.03 compiz 1234 root 20 0 396m 152m 98m R 6 3.8 20:23.88 Xorg 2204 me 20 0 160m 38m 30m S 4 1.0 0:33.35 yakuake 2446 me 20 0 206m 18m 12m S 4 0.5 6:32.18 psensor 2280 me 20 0 220m 18m 10m S 2 0.5 5:01.60 unity-panel 9138 me 20 0 154m 27m 15m S 2 0.7 0:03.63 plugin-cont 2282 me 20 0 65800 5272 3316 S 1 0.1 4:36.90 hud-service 2143 me 20 0 140m 11m 8352 S 1 0.3 2:50.16 indicator-m 9095 me 20 0 720m 253m 36m S 1 6.4 0:26.34 firefox 2076 me 20 0 7168 3484 828 S 1 0.1 1:46.53 dbus-daemon 2307 me 20 0 55000 5132 3632 S 1 0.1 2:01.55 indicator-a 2557 me 20 0 86328 6028 4576 S 0 0.1 1:44.71 conky 6290 me 20 0 2836 1296 964 R 0 0.0 0:29.64 top 6291 me 20 0 2836 1188 884 S 0 0.0 0:29.49 top 1 root 20 0 3644 1984 1284 S 0 0.0 60:57.76 init specs: ubuntu 12.04 fresh install intel core i5 4gB ram

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• Shutdown issue on persistent LiveUSB

  - by John K

  A) Downloaded Ubuntu to a Windows 7 temp directory from: http://www.ubuntu.com/download/ubuntu/download (Ubuntu 11.10 - Latest version / 32-bit). The output was a .iso file. B) Created a bootable USB stick using Universal USB Installer: http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/. Did not select "Persistent file". Result: Tried it in a Dell Latitude D630 Dell laptop: works every time, many startups and shutdowns. C) Repeated B) but with "Persistent file" set. Works once or twice, but then, just locks on the Ubuntu splash screen. E) Downloaded LiveUSB Install from http://live.learnfree.eu/download, which created a file on Windows 7 called live-usb-install-2.3.2.exe. F) Ran the above installer with "Persistent file" to a 4GB ScanDisk (formatted) thumb drive. Result: Worked pretty good for a while. Shutdown and rebooted several times. Changed items like creating a new directories - all worked. Then: Setup an Admin account with a password and no auto login. On next reboot, it required the password and logged in correctly. Tried to shutdown via the top left icon - Shutdown menu option. Key issue: Would not shutdown, but would always go back to the login prompt. Could successfully login. Finally, shutdown (which just put me back to the login window), and hard shutdown with the power switch. Result: On reboot, just locks on the Ubuntu splash screen. Questions (note, very new to Linux): Did I shutdown wrong (I mean prior to the hard power off)? Is the persistence option very unstable, or am I doing something else completely wrong?

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• E-Business Suite at OpenWorld

  - by [email protected]

  Did you know...Oracle E-Business Suite Release 12.1 offers nine new solutions and more than 400 enhancements across human resources, supply chain management, procurement, projects, master data management, customer relationship management, and financials? With over 150 session dedicated to E-Business Suite, at OpenWorld, you can learn all about Release 12.1. Follow this link to the OpenWorld content catalog to get a list of session for E-Business Suite. Or this one to get more information on Oracle E-Business Suite Release 12.1

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• Blogger Template: How is inline style tag getting attached to img? [migrated]

  - by john Smith

  Examining a blogger template's img tag (data:post.thumbnailUrl) i've approached a mystery. An inline style tag controlling the width, margin and heigh perimeters are getting added to my img element. They are auto adjusting the images ratio to fit a smaller size. But I can't figure-out where this style tag script lives and how it's happening in my template. My template has no special javascript or jquery scripts. The full size images in the single posts page don't have this style tag. Is this a css or xml feature? element.style { margin-top: 0px; width: 301.0033444816054px; height: 200px; margin-left: -0.5016722408026908px; }

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• Serious Forum Design Issue

  - by John

  I want to launch a school forum for a country. I'm in dilemma as to how to design this forum. Country will have many states, each state will have cities, each city will have many schools. Each school will have many classes( 1st - 12th). It looks like this: States - Cities - Schools - Classes I want to make each class as forum. Now the biggest problems are two fold: If I were to list even 1000 schools it will create huge number of forums and I don't think forum softwares(PHPBB, MyBB) are designed to support these many Secondly creating and maintaining huge forums is also very difficult. Ideally I'd like to duplicate existing forum hierarchy to new one. I've done lot of search and I've found that such type of forums are infeasible and such designs don't work. Leave alone the fact the nobody uses such a forum. Keeping in mind this, how should I go about designing this forum?

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• Will the Mac app store accept an app that reads and parses iPhone backups?

  - by John Wright

  I wanted to submit an app to the Mac app store that reads the iPhone backup dir and provides some useful functionality on user's voicemails and sms messages. The app parses and reads the backup mbdb files, and extracts the voicemail and sms sqlite db files as well as the voicemails to a temp directory. Is this kind of app likely to be rejected since it reads an unpublished format? It's not using any private APIs. I realize none of you are reviewers but wondering if I should even try to submit it to the store.

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• How to install hardware drivers for my laptop

  - by John Flisk

  Everytime I change the OS I usually format my laptop. It is an HP tx-2 Touchsmart. It has a touchscreen and additional hardware that isn't working (i.e. volume control buttons and the network discovery) If I was on windows I would just download the hardware drivers from the HP website. How do I go about installing the software for the built-in hardware of my laptop? I am new to the community and I really want to get this computer working like it used to, to get the full Ubuntu experience. Please direct me, thank you.

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• What are some good game development programs for kids?

  - by John Giotta

  I know a very bright little boy who excels in math, but at home he's glued to his Nintendo DS. When I asked him what he wanted to do when he grew up he said "Make video games!" I remember a few years there was mention of a MIT software called Scratch and thought maybe this kid can do want he wants to do. Has anyone used any of the "game development" for kids softwares out there? Can you recommend any?

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• Who Are the BI Users in Your Neighborhood?

  - by [email protected]

  By Brian Dayton on March 19, 2010 10:52 PM Forrester's Boris Evelson recently wrote a blog titled "Who are the BI Personas?" that I enjoyed for a number of reasons. It's a quick read, easy to grasp and (refreshingly) focuses on the users of technology VS the technology. As Evelson admits, he meant to keep the reference chart at a high-level because there are too many different permutations and additional sub-categories to make such a chart useful. For me, I wouldn't head into the technical permutations but more the contextual use of BI and the issues that users experience. My thoughts brought up more questions than answers such as: Context: - HOW: With the exception of the "Power User" persona--likely some sort of business or operations analyst? - WHEN: Are they using the information to make real-time decisions on the front lines (a customer service manager or shipping/logistics VP) or are they using this information for cumulative analysis and business planning? Or both? - WHERE: What areas of the business are more or less likely to rely on BI across an organization? Human Resources, Operations, Facilities, Finance--- and why are some more prone to use data-driven analysis than others? Issues: - DELAYS & DRAG ON IT?: One of the persona characteristics Evelson calls out is a reliance on IT. Every persona except for the "Power User" has a heavy reliance on IT for support. What business issues or delays does that cause to users? What is the drag on IT resources who could potentially be creating instead of reporting? - HOW MANY CLICKS: If BI is being used within the context of a transaction (sales manager looking for upsell opportunities as an example) is that person getting the information within the context of that action or transaction? Or are they minimizing screens, logging into another application or reporting tool, running queries, etc.? Who are the BI Users in your neighborhood or line of business? Do Evelson's personas resonate--and do the tools that he calls out (he refers to it as "BI Style") resonate with what your personas have or need? Finally, I'm very interested if BI use is viewed as a bolt-on...or an integrated part of your daily enterprise processes?

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