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• export emails from open-xchnage webmail and import them to horde webmail

  - by sam

  Im moving hosting and need to move the emails stored with the old domain/hosting, the hosting i want to transfer from uses open-xchange for its webmail and the hosting i want to move to uses horde for their webmail. Is their an automated way from inside of the open xchange webmail, or is there a way i can do it from inside of outlook / mac mail ? not sure if this is the right place for this, if not please advise..

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• 256 Worker Role 3D Rendering Demo is now a Lab on my Azure Course

  - by Alan Smith

  Ever since I came up with the crazy idea of creating an Azure application that would spin up 256 worker roles (please vote if you like it ) to render a 3D animation created using the Kinect depth camera I have been trying to think of something useful to do with it. I have also been busy working on developing training materials for a Windows Azure course that I will be delivering through a training partner in Stockholm, and for customers wanting to learn Windows Azure. I hit on the idea of combining the render demo and a course lab and creating a lab where the students would create and deploy their own mini render farms, which would participate in a single render job, consisting of 2,000 frames. The architecture of the solution is shown below. As students would be creating and deploying their own applications, I thought it would be fun to introduce some competitiveness into the lab. In the 256 worker role demo I capture the rendering statistics for each role, so it was fairly simple to include the students name in these statistics. This allowed the process monitor application to capture the number of frames each student had rendered and display a high-score table. When I demoed the application I deployed one instance that started rendering a frame every few minutes, and the challenge for the students was to deploy and scale their applications, and then overtake my single role instance by the end of the lab time. I had the process monitor running on the projector during the lab so the class could see the progress of their deployments, and how they were performing against my implementation and their classmates. When I tested the lab for the first time in Oslo last week it was a great success, the students were keen to be the first to build and deploy their solution and then watch the frames appear. As the students mostly had MSDN suspicions they were able to scale to the full 20 worker role instances and before long we had over 100 worker roles working on the animation. There were, however, a few issues who the couple of issues caused by the competitive nature of the lab. The first student to scale the application to 20 instances would render the most frames and win; there was no way for others to catch up. Also, as they were competing against each other, there was no incentive to help others on the course get their application up and running. I have now re-written the lab to divide the student into teams that will compete to render the most frames. This means that if one developer on the team can deploy and scale quickly, the other team still has a chance to catch up. It also means that if a student finishes quickly and puts their team in the lead they will have an incentive to help the other developers on their team get up and running. As I was using “Sharks with Lasers” for a lot of my demos, and reserved the sharkswithfreakinlasers namespaces for some of the Azure services (well somebody had to do it), the students came up with some creative alternatives, like “Camels with Cannons” and “Honey Badgers with Homing Missiles”. That gave me the idea for the teams having to choose a creative name involving animals and weapons. The team rendering architecture diagram is shown below.   Render Challenge Rules In order to ensure fair play a number of rules are imposed on the lab. ·         The class will be divided into teams, each team choses a name. ·         The team name must consist of a ferocious animal combined with a hazardous weapon. ·         Teams can allocate as many worker roles as they can muster to the render job. ·         Frame processing statistics and rendered frames will be vigilantly monitored; any cheating, tampering, and other foul play will result in penalties. The screenshot below shows an example of the team render farm in action, Badgers with Bombs have taken a lead over Camels with Cannons, and both are  leaving the Sharks with Lasers standing. If you are interested in attending a scheduled delivery of my Windows Azure or Windows Azure Service bus courses, or would like on-site training, more details are here.

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• Safely deploying changes to production servers

  - by oazabir

  When you deploy incremental changes on a production server, which is running and live all the time, you some times see error messages like “Compiler Error Message: The Type ‘XXX’ exists in both…”. Sometimes you find Application_Start event not firing although you shipped a new class, dll or web.config. Sometimes you find static variables not getting initialized and so on. There are so many weird things happen on webservers when you incrementally deploy changes to the server and the server has been up and running for several weeks. So, I came up with a full proof house keeping steps that we always do whenever we deploy some incremental change to our websites. These steps ensure that the web sites are properly recycled , cached are cleared, all the data stored at Application level is initialized. First of all you should have multiple web servers behind load balancer. This way you can take one server our of the production traffic, do your deployment and house keeping tasks like restarting IIS, and then put it back. Then you can do it for the second server and so on. This ensures there’s no outage for customer. If you can do it reasonable fast, hopefully customers won’t notice discrepancy between the servers some having new code and some having old code. You should only do this when your changes aren’t drastic. For ex, you aren’t delivering a complete revamped UI. In that case, some users hitting server1 with latest UI will suddenly get a completely different experience and then on next page refresh, they might hit server2 with old code and get a totally different experience. This works for incremental non-dramatic changes only.   During deployment you should follow these steps: Take server X out of load balancer so that it does not get any traffic. Stop all windows services on the server. Stop IIS. Delete the Temporary ASP.NET folders of all .NET versions incase you have multiple .NET versions running. You can follow this link. Deploy the changes. Flush any distributed cache you have, for ex, Velocity or Memcached. Start IIS. Start the windows services on the server. Warm up all websites by hitting major URLs on the websites. You should have some automated script to do this. You can use tinyget to hit some major URLs, especially pages that take a lot of time to compile. Read my post on keeping websites warm with zero coding. Put server X back to load balancer so that it starts receiving traffic. That’s it. It should give you a clean deployment and prevent unexpected errors. You should print these steps and hang on the desk of your deployment guys so that they never forget during deployment pressure.

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• How to fix the Dell Mini 10v (1010) touchpad with Ubuntu 12.04.1

  - by John Lawrence Aspden

  I've just installed 12.04.1 from scratch on my Mini 10v, and the touchpad is behaving a bit oddly. It's got buttons integrated into the touchpad, and it looks as though a touch on a button is also being registered as a touch on the touchpad, causing all sorts of problems with clicking and dragging. Is there a fix for this? I seem to remember on very old versions of ubuntu having to disable the lower part of the touchpad, but I don't think it's been an issue for some time.

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• Can I blacklist an appindicator?

  - by d3vid

  I've whitelisted some indicators for apps that don't yet have Unity-compliant appindicators. Is there any way to blacklist appindicators for apps that are Unity-compliant (not old-style indicators) but don't provide a "Don't show in the system tray" option? Any solutions to ban an appindicator from being displayed, GUI- or CLI-based, are welcome. (I'm not looking for a way to just hide them like you can hide system tray icons in Windows.) (New-style appindicators can't be removed from the systray-whitelist.)

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• Subscription service or software to handle a Magazine's PDF

  - by Paolo

  I'm looking for an installable or hosted software (service) to handle the process of public users subscribing to the Magazine and receiving the PDF automatically upon an admin upload the new one. The system will have to: handle the money part (PayPal&Co. are OK) let user buy old issues of the Magazine warn user on subscription expiring, etc. PDF stamping and WordPress integration (user credential sharing, page access of subriscrebed goods, etc) will be a big plus.

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• Collision detection - Smooth wall sliding, no bounce effect

  - by Joey

  I'm working on a basic collision detection system that provides point - OBB collision detection. I have around 200 cubes in my environment and I check (for now) each of them in turn and see if it collides. If it does I return the colliding face's normal, save the old player position and do some trigonometry to return a new player position for my wall sliding. edit I'll define my meaning of wall sliding: If a player walks in a vertical slope and has a slight horizontal rotation to the left or the right and keeps walking forward in the wall the player should slide a little to the right/left while continually walking towards the wall till he left the wall. Thus, sliding along the wall. Everything works fine and with multiple objects as well but I still have one problem I can't seem to figure out: smooth wall sliding. In my current implementation sliding along the walls make my player bounce like a mad man (especially noticable with gravity on and moving forward). I have a velocity/direction vector, a normal vector from the collided plane and an old and new player position. First I negate the normal vector and get my new velocity vector by substracting the inverted normal from my direction vector (which is the vector to slide along the wall) and I add this vector to my new Player position and recalculate the direction vector (in case I have multiple collisions). I know I am missing some step but I can't seem to figure it out. Here is my code for the collision detection (run every frame): Vector direction; Vector newPos(camera.GetOriginX(), camera.GetOriginY(), camera.GetOriginZ()); direction = newPos - oldPos; // Direction vector // Check for collision with new position for(int i = 0; i < NUM_OBJECTS; i++) { Vector normal = objects[i].CheckCollision(newPos.x, newPos.y, newPos.z, direction.x, direction.y, direction.z); if(normal != Vector::NullVector()) { // Get inverse normal (direction STRAIGHT INTO wall) Vector invNormal = normal.Negative(); Vector wallDir = direction - invNormal; // We know INTO wall, and DIRECTION to wall. Substract these and you got slide WALL direction newPos = oldPos + wallDir; direction = newPos - oldPos; } } Any help would be greatly appreciated! FIX I eventually got things up and running how they should thanks to Krazy, I'll post the updated code listing in case someone else comes upon this problem! for(int i = 0; i < NUM_OBJECTS; i++) { Vector normal = objects[i].CheckCollision(newPos.x, newPos.y, newPos.z, direction.x, direction.y, direction.z); if(normal != Vector::NullVector()) { Vector invNormal = normal.Negative(); invNormal = invNormal * (direction * normal).Length(); // Change normal to direction's length and normal's axis Vector wallDir = direction - invNormal; newPos = oldPos + wallDir; direction = newPos - oldPos; } }

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• permanently load module

  - by Radu

  I have a Compaq Presario CQ-61 320SQ, I am using Ubuntu 10.04 because after update to 10.10 my mouse and touchpad won't work, network won't work, sound won't work ... (I managed to fix most of them after almost a month of googling, but not all, my 2 Desktops have no problem with 10.10) so I decided to switch back to 10.04, where I have a problem: My broadband speed is very low beacause of the kernel module r8169, I downloaded the good module r8101 and every time the computer boots have a rc.local entry to fix this. Question: Can I load the modul permanently from a specific location. I heard about /etc/modules but there I need the module name, but I have to load it from a specific path (where is the default path for that) Thank you. So I studied the script: It creates the file r8101.ko in /lib/modules/uname -r/kernel/drivers/net so I think as long as nobody will delete that file, and I don't update the kernel, maybe adding r8108 to /etc/modules will work, and add r8169 to blacklist ... I will give it a try. EDIT2: So I added r8101 to /etc/modules and blacklist r8169 to /etc/modprobe.d/blacklist.conf It still uses the old module, lsmod prints: radu@adu:~$ lsmod | grep r8 r8101 67626 0 r8169 34108 0 mii 4381 1 r8169 EDIT: the module is loaded using this script that came with it: #!/bin/sh # invoke insmod with all arguments we got # and use a pathname, as insmod doesn't look in . by default TARGET_PATH=/lib/modules/`uname -r`/kernel/drivers/net echo echo "Check old driver and unload it." check=`lsmod | grep r8169` if [ "$check" != "" ]; then echo "rmmod r8169" /sbin/rmmod r8169 fi check=`lsmod | grep r8101` if [ "$check" != "" ]; then echo "rmmod r8101" /sbin/rmmod r8101 fi echo "Build the module and install" echo "-------------------------------" >> log.txt date 1>>log.txt make all 1>>log.txt || exit 1 module=`ls src/*.ko` module=${module#src/} module=${module%.ko} if [ "$module" == "" ]; then echo "No driver exists!!!" exit 1 elif [ "$module" != "r8169" ]; then if test -e $TARGET_PATH/r8169.ko ; then echo "Backup r8169.ko" if test -e $TARGET_PATH/r8169.bak ; then i=0 while test -e $TARGET_PATH/r8169.bak$i do i=$(($i+1)) done echo "rename r8169.ko to r8169.bak$i" mv $TARGET_PATH/r8169.ko $TARGET_PATH/r8169.bak$i else echo "rename r8169.ko to r8169.bak" mv $TARGET_PATH/r8169.ko $TARGET_PATH/r8169.bak fi fi fi echo "Depending module. Please wait." depmod -a echo "load module $module" modprobe $module echo "Completed." exit 0

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• Does the use of debuggers have an effect on the efficiency of programmers? [closed]

  - by alain.janinm

  Possible Duplicate: Are debugging skills important to become a good programmer? I'm a young Java developer and I make a systematic use of the Netbeans debugger. In fact, I often develop my applications when I debug step by step in order to see immediately if my code works. I feel spending a lot of time programming this way because the use of debugger increase execution time and I often wait for my app to jump from a breakpoint to an other (so much that I've the time to ask this question). I never learned to use a debugger at school, but at work I've been told immediately to use this functionality. I started teaching myself to use it two years ago, and I've never been told any key tips about it. I'd like to know if there are some rules to follow in order to use the debugger efficiently. I'm also wondering if using the debugger is eventually a good practice? Or is it a loss of time and I've to stop now this bad habit?

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• SQL SERVER T-SQL Script to Take Database Offline Take Database Online

  Blog reader Joyesh Mitra recently left a comment to one of my very old posts about SQL SERVER 2005 Take Off Line or Detach Database, which I have written focusing on taking the database offline. However, I did not include how to bring the offline database to online in that post. The reason I [...]...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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• Where is the alternate installation ISO for Ubuntu Saucy?

  - by Leon Nardella

  I would like to download the alternate installation ISO for the current release, Ubuntu 13.10 Saucy Salamander, but I can't find it on the releases.ubuntu.com website. Aren't alternate ISOs provided anymore? I need the alternate ISO because Xorg crashes on recent versions of Ubuntu when using old SIS on board graphics. In fact, I just patched Ubuntu sources and generated a custom package for the xserver-xorg-video-sis driver on my PPA to try fix this problem, after installing with the alternate ISO.

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• "Dedication of the Harvard Mark I computer, 1944 August 7"- Which text is Brooks referring to and where can I find it?

  - by JW01

  I am reading the epilogue of the Anniversary Edition of the Mythical Man Month. The author, Frederic Brooks, says Still vivid in my mind is the wonder and delight with which I - then 13 years old - read the account of the August 7, 1944, dedication of the Harvard Mark I computer... Which text is he referring to? I want to be filled with wonder and delight too. Where can get hold of this text so that I can read it too?

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• How does one improve one's problem-solving ability?

  - by gcc

  How can one improve one's problem-solving ability? Everyone says same thing: "a real programmer knows how to handle real problem." But they forget how they learn this ability, or where (I know in school, no one gives us any ability, of course in my opinion). If you have any idea except above ones, feel free when you give your advice solve more problems do more exercises, write code, search google then write more ... For me, my question is like "use complex/known library instead of using your own." In other words, I want your personal experience, book recommendation, webpage on problem solving. Moreover, look your problem-solving method and give us your personal ability as if it is an algorithm

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• Is SQL Server 2008 R2 a full release of SQL Server?

  - by AaronBertrand

  This has come up in conversations more than once in the past little while - recently on twitter I made the casual comment that later this year, SQL Server 2008 will be "two versions old." Well, not everyone agrees that that is technically true. So, I thought I'd put something out there that isn't limited to 140 characters. There are certainly some valid arguments on both sides, but my opinion - based both on these facts and on my memory that Microsoft has marketed it as such - is that SQL Server...(read more)

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• How do you set up a ubuntu server so that it can recieve and run code remotely

  - by deadjaguars

  I've gotten my hands on two older (i.e. ~2 years old) department towers that I came across when setting up our new workstations that I want to turn into servers that people can run code on remotely. The code would mostly consist of Python (2 and 3) and Java. Being able to run those is a must, but other languages would be nice. I thought here would be a good as place as any to ask where I would start.

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• Why should you document code?

  - by Edwin Tripp

  I am a graduate software developer for a financial company that uses an old COBOL-like language/flat-file record storage system. The code is completely undocumented, both code comments and overall system design and there is no help on the web (unused outside the industry). The current developers have been working on the system for between 10 and 30 years and are adamant that documentation is unnecessary as you can just read the code to work out what's going on and that you can't trust comments. Why should such a system be documented?

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• How to choose a job? [closed]

  - by Aadi Droid

  When given multiple opportunities from various software giants, as a fresher out of school how should one decide which company to go for? Just as an example I have offers from two companies, won't name them but the two biggest dream companies for any SDE. While one company offers tremendous learning opportunites and and a good pay but coupled with really bad employee support and perks. While the other offers a relaxed work environment where learning happens by choice, with a slightly lower pay but amazing employee facilities and perks. Assuming the fresher has a plan to go for his masters degree in two years what are the most important things he should be looking at?

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• Is it worth being computer languages polyglot?

  - by Anton Barkowski

  You can often hear that programmers should learn many different languages to improve themselves. I still go to school and don't have big programming experience (a little more than year). But what was noble intention to improve programming skills turned into some kind of OCD: I feel that I won't calm down until I learn all relatively known programming languages. And here is question itself: Will being programming languages polyglot actually help you (And I don't mean usual "Programmer should know at least all paradigms", I mean really all languages you usually hear about)? Does anybody have similar experience? Does it help with job/skills/career? How often are you able to apply those skills?

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• Is it normal needing time to understand code i wrote recently

  - by user1478167

  By recently i mean some weeks ago. I am trying to continue a project i left 2 weeks ago and i need time to understand some functions i wrote(not copied from somewhere) and it takes me time. Normally i don't need to because my functions,methods etc are black boxes but when i need to change something it's really hard. Does this mean i write bad code? I am still in school and i am the only who writes/uses the code so i don't have feedback, but i am afraid that if it is difficult for me to understand it, it would be 10 times more difficult for someone else. What should i do? I write a lot of comments but most of the time are useless when reviewing. Do you have any suggestions?

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• GWB | May 2010 Newsletter

  - by Staff of Geeks

  Geekswithblogs.net - May 2010 Newsletter   Was your newsletter messed up? If the first newsletter we sent was all white with links all over the place, I apologize. We haven’t sent a newsletter in quite some time and I forgot the rules of theming for email clients.   TechEd 2010 New Orleans - Who is coming? John and Jeff will be at TechEd 2010 New Orleans for a short time to pass out shirts to our bloggers. These are the standard GWB shirts you see some of our other bloggers wearing and one could be yours if you let us know you are coming and what your size is. We will announce where we will be once we arrive so you can wear your Geekswithblogs.net shirt and let everyone know where you blog. These shirts will be without URLs, if you want one of those, you will have to join the contest mentioned later in the newsletter. Deadline for response is next Wednesday? Email [email protected] to let us know you are coming!   wblo.gs Shortened Url Everyone has URL shorteners these days so we needed our own. Currently Geekswithblogs.net has implemented http://wblo.gs as a shortened URL for you blog. Instead of pushing people to geekswithblogs.net/your_url you can now use wblo.gs/your_url. We hope to published a version of the shortener that will give each post a short URL and a button via your blog to publish to Twitter. This release should be available in the early summer time period.   Always wanted one of our awesome Geekswithblogs.net T-Shirts? Starting on May 15th until July 13th, we will giving our Geekswithblogs.net t-shirts away to those members who create 30 technical posts. That is 30 posts in 60 days! This should not be a difficult task with all the new releases from Microsoft. You have Visual Studio 2010, Team Foundation 2010, SharePoint 2010, Silverlight 4.0, Office 2010, SQL Server 2008 R2, and so many others to pick from. We will be keeping an eye on the results and publishing those bloggers who successfully meet the requirements by the date. A few rules to remember. The post must be technical in nature, the post must be original content created by the blogger, and the post must be originated during the contest (no pulling content from you old blog). Each shirt will be customized with your URL on the back and you can let us know you size and address when you successfully complete the contest.   What features do you want to see? We would love to hear your feedback. It has been awhile since we have published a release of Geekswithblogs.net and we want to get your feature requests in it. Do you like a particular skin we don’t have? Do you want to see comments change? Do you want to see more Twitter integration? Whatever it is, we want to know. Submit your thoughts to [email protected] and we will start a dialog with you shortly after we receive them.   Follow Us on Twitter We want to hear from you and make sure you know what is going on with Geekswithblogs.net. Follow the staff on Twitter (@StaffOfGeeks) and feel free to let us know what you think or questions you have here.

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• When Programming will become deprecated [closed]

  - by Vibeeshan

  Possible Duplicate: Will programmers be around in a few years? According to the history of programming, with each new generation of software engineering it seems to become easier and easier. Machine Code - Assembly - Programming Languages - easier - more easier - etc. If this situation continues anyone will be able to program (even complex systems). Even now, most of the kids study programming at school (Pascal , VB, etc.). Will be there any jobs called software engineering in future (if everyone know to program). ....and.... What do you think about the future of software development?

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• LEGO – A Hobbit Halloween [Video]

  - by Asian Angel

  Pippin and Merry are up to their old pranks once again, but this time they quickly get in over their heads while looking to indulge in a bit of Halloween fun! LEGO A Hobbit Halloween [via Neatorama] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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• Taking 10 minutes to boot up!

  - by oshirowanen

  Just added 2 pci-e to ide cards in my computer so I can use 2 old ide hard drives. Everything works fine, except the OS booting time has gone from about 10 seconds to about 10 minutes... I'f I remove both cards, it takes about 10 seconds to boot up, if I add either 1 of the cards back in, it still takes 10 seconds to boot up, but as soon as I have both cards in, it takes about 10 minutes. Why would this be happening?

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• SQL SERVER – Why Do We Need Master Data Management – Importance and Significance of Master Data Management (MDM)

  - by pinaldave

  Let me paint a picture of everyday life for you.  Let’s say you and your wife both have address books for your groups of friends.  There is definitely overlap between them, so that you both have the addresses for your mutual friends, and there are addresses that only you know, and some only she knows.  They also might be organized differently.  You might list your friend under “J” for “Joe” or even under “W” for “Work,” while she might list him under “S” for “Joe Smith” or under your name because he is your friend.  If you happened to trade, neither of you would be able to find anything! This is where data management would be very important.  If you were to consolidate into one address book, you would have to set rules about how to organize the book, and both of you would have to follow them.  You would also make sure that poor Joe doesn’t get entered twice under “J” and under “S.” This might be a familiar situation to you, whether you are thinking about address books, record collections, books, or even shopping lists.  Wherever there is a lot of data to consolidate, you are going to run into problems unless everyone is following the same rules. I’m sure that my readers can figure out where I am going with this.  What is SQL Server but a computerized way to organize data?  And Microsoft is making it easier and easier to get all your “addresses” into one place.  In the  2008 version of SQL they introduced a new tool called Master Data Services (MDS) for Master Data Management, and they have improved it for the new 2012 version. MDM was hailed as a major improvement for business intelligence.  You might not think that an organizational system is terribly exciting, but think about the kind of “address books” a company might have.  Many companies have lots of important information, like addresses, credit card numbers, purchase history, and so much more.  To organize all this efficiently so that customers are well cared for and properly billed (only once, not never or multiple times!) is a major part of business intelligence. MDM comes into play because it will comb through these mountains of data and make sure that all the information is consistent, accurate, and all placed in one database so that employees don’t have to search high and low and waste their time. MDM also has operational MDM functions.  This is not a redundancy.  Operational MDM means that when one employee updates one bit of information in the database, for example – updating a new address for a customer, operational MDM ensures that this address is updated throughout the system so that all departments will have the correct information. Another cool thing about MDM is that it features Master Data Services Configuration Manager, which is exactly what it sounds like.  It has a built-in “helper” that lets you set up your database quickly, easily, and with the correct configurations.  While talking about cool features, I can’t skip over the add-in for Excel.  This allows you to link certain data to Excel files for easier sharing and uploading. In summary, I want to emphasize that the scariest part of the database is slowly disappearing.  Everyone knows that a database – one consolidated area for all your data – is a good idea, but the idea of setting one up is daunting.  But SQL Server is making data management easier and easier with features like Master Data Services (MDS). Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: Master Data Services, MDM

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• installing Oracle Database 10g XE Server in Ubuntu 11.04, "E: Unable to locate package oracle-xe"

  - by Nguyen Phi Vu

  I have read many posts for installing Oracle Database 10g XE Server in Ubuntu, such as this But I get an error: E: Unable to locate package oracle-xe when execute the command sudo apt-get install oracle-xe At the previous step (sudo apt-get update), it also notices that E: Some index files failed to download. They have been ignored, or old ones used instead. Did any one meet and solve this problem? I have searched for this problem but got no proper answer.

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