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• SQL Server, ad group as a user: dropping many users at once

  - by jrara

  I have an AD group as a database user. When I try to drop this group from the database users, using DROP USER [this_is_the_ad_group] the group will be dropped but all the individual users in this group will not. How to delete this group and all its users at once?

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• Linux: How to allow group members to set/change permissions on a file

  - by KThompson

  I thought I had a good understanding of how permissions worked on linux. I have folder where it and everything inside has the owner "me" and the group "group". I gave the group rwx access on all the files and still members of the group cannot modify permissions on any files. I'm using Redhat Enterprise Linux 5 Is it possible to allow group members to modify permissions on file and not just the owner? How? Thanks in advance

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• Where do I define a group policy that will set a users desktop background color to green the first time they log in?

  - by Tyler

  Servers: W2k8 R2 x64 Desktops: Win7 Pro x64 Our current group policy uses a custom ADM file to define certain properties of the desktop (Background Image (centered), Background Color is green (00 74 00)). This policy works for us, but the down-side is that policies defined in our custom ADM are only applied after a GPUpdate /Force is applied. We would like these desktop theme settings to be applied the first time the user logs onto the computer. I've been working on a new policy that forces the computer to wait for the network when the user logs on to handle folder redirection. The reason for writing the new policy was to resolve the issue that a user needs to run GPupdate /Force the first time they log in, so it doesn't make sense for me to implement the new policy if there is still something that requires GPUpdate /Force to get the user in the state that we want them. I've moved the setting for background image out into Admin Templates- Desktop- Desktop- "Desktop Wallpaper" so this is now being set properly when the user first logs in. Now I'm left with a black background until I force a group policy update. I have tried to play around with setting a default "Theme" and had limited success; this was not reliable enough to call a solution. I suppose I could set the background color with a script? Any thoughts? It feels like I'm missing something obvious, or that this should be much easier than it is.

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• Creating and using VM Groups in VirtualBox

  - by Fat Bloke

  With VirtualBox 4.2 we introduced the Groups feature which allows you to organize and manage your guest virtual machines collectively, rather than individually. Groups are quite a powerful concept and there are a few nice features you may not have discovered yet, so here's a bit more information about groups, and how they can be used.... Creating a group Groups are just ad hoc collections of virtual machines and there are several ways of creating a group: In the VirtualBox Manager GUI: Drag one VM onto another to create a group of those 2 VMs. You can then drag and drop more VMs into that group; Select multiple VMs (using Ctrl or Shift and click) then  select the menu: Machine...Group; or   press Cmd+U (Mac), or Ctrl+U(Windows); or right-click the multiple selection and choose Group, like this: From the command line: Group membership is an attribute of the vm so you can modify the vm to belong in a group. For example, to put the vm "Ubuntu" into the group "TestGroup" run this command: VBoxManage modifyvm "Ubuntu" --groups "/TestGroup" Deleting a Group Groups can be deleted by removing a group attribute from all the VMs that constitute that group. To do this via the command-line the syntax is: VBoxManage modifyvm "Ubuntu" --groups "" In the VirtualBox Manager, this is more easily done by right-clicking on a group header and selecting "Ungroup", like this: Multiple Groups Now that we understand that Groups are just attributes of VMs, it can be seen that VMs can exist in multiple groups, for example, doing this: VBoxManage modifyvm "Ubuntu" --groups "/TestGroup","/ProjectX","/ProjectY" Results in: Or via the VirtualBox Manager, you can drag VMs while pressing the Alt key (Mac) or Ctrl (other platforms). Nested Groups Just like you can drag VMs around in the VirtualBox Manager, you can also drag whole groups around. And dropping a group within a group creates a nested group. Via the command-line, nested groups are specified using a path-like syntax, like this: VBoxManage modifyvm "Ubuntu" --groups "/TestGroup/Linux" ...which creates a sub-group and puts the VM in it. Navigating Groups In the VirtualBox Manager, Groups can be collapsed and expanded by clicking on the carat to the left in the Group Header. But you can also Enter and Leave groups too, either by using the right-arrow/left-arrow keys, or by clicking on the carat on the right hand side of the Group Header, like this: . ..leading to a view of just the Group contents. You can Leave or return to the parent in the same way. Don't worry if you are imprecise with your clicking, you can use a double click on the entire right half of the Group Header to Enter a group, and the left half to Leave a group. Double-clicking on the left half when you're at the top will roll-up or collapse the group.   Group Operations The real power of Groups is not simply in arranging them prettily in the Manager. Rather it is about performing collective operations on them, once you have grouped them appropriately. For example, let's say that you are working on a project (Project X) where you have a solution stack of: Database VM, Middleware/App VM, and  a couple of client VMs which you use to test your app. With VM Groups you can start the whole stack with one operation. Select the Group Header, and choose Start: The full list of operations that may be performed on Groups are: Start Starts from any state (boot or resume) Start VMs in headless mode (hold Shift while starting) Pause Reset Close Save state Send Shutdown signal Poweroff Discard saved state Show in filesystem Sort Conclusion Hopefully we've shown that the introduction of VM Groups not only makes Oracle VM VirtualBox pretty, but pretty powerful too.  - FB 

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• IPv6 multicast addresses: Is the Group ID field effectively 112 bits or 32 bits?

  - by Jeremy Friesner

  Hi all, I'm trying to understand the rules for choosing an IPv6 multicast address Group ID, and the RFC seems somewhat inconsistent. For example, in RFC 2373 section 2.7 this diagram is shown: | 8 | 4 | 4 | 112 bits | +------ -+----+----+---------------------------------------------+ |11111111|flgs|scop| group ID | +--------+----+----+---------------------------------------------+ ... but then in section 2.7.2 it shows this: | 8 | 4 | 4 | 80 bits | 32 bits | +------ -+----+----+---------------------------+-----------------+ |11111111|flgs|scop| reserved must be zero | group ID | +--------+----+----+---------------------------+-----------------+ So my question is, are the upper 80 bits of the Group ID field usable or not? If they are usable, is it only under certain circumstances (e.g. when using non-Ethernet networking technology?) What problems should I expect to experience if I set these bits when multicasting over an Ethernet LAN?

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• Specify default group and permissions for new files in a certain directory

  - by mislav

  I have a certain directory in which there is a project shared by multiple users. These users use SSH to gain access to this directory and modify/create files. This project should only be writeable to a certain group of users: lets call it "mygroup". During an SSH session, all files/directories created by the current user should by default be owned by group "mygroup" and have group-writeable permissions. I can solve the permissions problem with umask: $ cd project $ umask 002 $ touch test.txt File "test.txt" is now group-writeable, but still belongs to my default group ("mislav", same as my username) and not to "mygroup". I can chgrp recursively to set the desired group, but I wanted to know is there a way to set some group implicitly like umask changes default permissions during a session. This specific directory is a shared git repo with a working copy and I want git checkout and git reset operations to set the correct mask and group for new files created in the working copy. The OS is Ubuntu Linux. Update: a colleague suggests I should look into getfacl/setfacl of POSIX ACL but the solution below combined with umask 002 in the current session is good enough for me and is much more simple.

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• LINQ Group By to project into a non-anonymous type?

  - by vikp

  Hi, I have the following LINQ example: var colorDistribution = from product in ctx.Products group product by product.Color into productColors select new { Color = productColors.Key, Count = productColors.Count() }; All this works and makes perfect sense. What I'm trying to achieve is to group by into a strong type instead of anonymous type. For example I have a ProductColour class and I would like to Group into a List<ProductColour> Is this possible? Thank you

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• Assigning Group's Permission to Document libraries

  - by user293975

  Here is the scenario.. ===== scanario 1 ===== 1. Document Library "Gatorate Classic" 2. I have four groups. Group Alpha - Role - Read Group Beta - Role - Edit Group Epselon - Role - Edit Group Gamma - Role - Edit ===== scanario 2 ===== 1. Document Library "Gatorate G2" 2. I have four groups. Group Alpha - Role - Edit Group Beta - Role - Read Group Epselon - Role - Edit Group Gamma - Role - Read I tried to follow this link but http://www.csharpest.net/?p=74 but i dont think this is my solution. Did anyone had a scenario like this. Same group but different level access.

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• Is there any way to group edit buttons in MediaWiki?

  - by Mark Robinson

  Is there any way to group the edit buttons displayed above the edit dialog in MediaWiki? By grouping, I mean like Word does (and even this editor) - you can add dividing lines to group them so that e.g. Bold and Italic are in one group, numbered list and bullet points in another. We've added lots of new buttons (in EditPage.php) and they are in a logical order, but at 30 buttons it is a bit overwhelming for some users.

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• Specify default group and permissions for new files in a certain directory

  - by mislav

  I have a certain directory in which there is a project shared by multiple users. These users use SSH to gain access to this directory and modify/create files. This project should only be writeable to a certain group of users: lets call it "mygroup". During an SSH session, all files/directories created by the current user should by default be owned by group "mygroup" and have group-writeable permissions. I can solve the permissions problem with umask: $ cd project $ umask 002 $ touch test.txt File "test.txt" is now group-writeable, but still belongs to my default group ("mislav", same as my username) and not to "mygroup". I can chgrp recursively to set the desired group, but I wanted to know is there a way to set some group implicitly like umask changes default permissions during a session. This specific directory is a shared git repo with a working copy and I want git checkout and git reset operations to set the correct mask and group for new files created in the working copy. The OS is Ubuntu Linux. Update: a colleague suggests I should look into getfacl/setfacl of POSIX ACL but the solution below combined with umask 002 in the current session is good enough for me and is much more simple.

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• Windows Server 2008 Directory Services, Group Policy Preferences - More Control Panel Settings

  In Windows Server 2008, Group Policy Preferences makes it possible to reap the chief benefits of an Active Directory environment by simplifying client management. Control Panel Settings nodes in the Group Policy Management Editor makes this possible.

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• Can Windows 7 enable Folder Redirection via Group Policy?

  - by Jon-Eric

  I'd like to enable folder redirection on my stand-alone Windows 7 Pro box. Is that possible? The Group Policy Editor shown in the Managing Roaming User Data Deployment Guide has a Folder Redirection node that I don't see:

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• How to: group by month with SQL

  - by AngelEyes

  I took this particular code from http://weblogs.sqlteam.com/jeffs/archive/2007/09/10/group-by-month-sql.aspx, a good read. Shows you what to avoid and why.   The recommended technique is the following:   GROUP BY dateadd(month, datediff(month, 0, SomeDate),0)   By the way, in the "select" clause, you can use the following:   SELECT         month(dateadd(month, datediff(month, 0, SomeDate),0)) as [month],         year(dateadd(month, datediff(month, 0, SomeDate),0)) as [year],   Just remember to also sort properly if needed:   ORDER BY dateadd(month, datediff(month, 0, SomeDate),0)

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• March 2010 Meeting of Israel Dot Net Developers User Group (IDNDUG)

  - by Jackie Goldstein

  Note the special date of this meeting - Wednesday March 24, 2010 For our March 2010 meeting of the Israel Dot Net Developers User Group we have the opportunity for a special meeting with Brad Abrams from Microsoft Corp, who will in Israel for the Developer Academy 4 event. Our user group meeting will be held on Wednesday March 24, 2010 .   This meeting will focus on building Line of Business applications with Silverlight 4, RIA Services and VS2010. Abstract: Building Business Applications...(read more)

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• April 2010 Chicago Architects Group Meeting

  - by Tim Murphy

  The Chicago Architects Group will be holding its next meeting on April 20th.  Please come and join us and get involved in our architect community. Register Presenter: Matt Hidinger Topic: Onion Architecture      Location: Illinois Technology Association 200 S. Wacker Dr., Suite 1500 Room A/B Chicago, IL 60606 Time: 5:30 - Doors open at 5:00 del.icio.us Tags: Chicago Architects Group,Data Integration Architecture,Mike Vogt

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• Batch add/import of a list of users to a group in Active Directory?

  - by JB

  We have two lists of users (about 1000 each) that we need to add to groups in Active Directory (Windows Server 2003...one list will be in one group, one in the other). All the users currently exist in the directory, but we just need to assign them properly. Is there an easy way to do this without scripting? If not, can it be scripted with Ruby, Perl or Python? Thanks!

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• June 2010 Chicago Architects Group Meeting

  - by Tim Murphy

  The Chicago Architects Group will be holding its next meeting on June 15th.  Please come and join us and get involved in our architect community. Register Presenter: Tim Murphy  Topic: Document Generation Architectures        Location: TechNexus 200 S. Wacker Dr., Suite 1500 Room A/B Chicago, IL 60606 Time: 5:30 - Doors open at 5:00 Sponsored by: del.icio.us Tags: Chicago Architects Group,Azure,Scott Seely

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• May 2010 Chicago Architects Group Meeting

  - by Tim Murphy

  The Chicago Architects Group will be holding its next meeting on May 18th.  Please come and join us and get involved in our architect community. Register Presenter: Scott Seely  Topic: Azure For Architects       Location: TechNexus 200 S. Wacker Dr., Suite 1500 Room A/B Chicago, IL 60606 Time: 5:30 - Doors open at 5:00 del.icio.us Tags: Chicago Architects Group,Azure,Scott Seely

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• User Group meeting in Copenhagen for #powerpivot

  - by Marco Russo (SQLBI)

  The next Monday, March 21st, I will join a special event organized by the Danish SQL Server User Group , Excelbi.dk and the Swedish SQL Server User Group . The meeting will start at 18:00 at the Radisson Royal Blu in Copenhagen, and this is the topic we will discuss. PowerPivot / BISM and the future of a BI Solution The next version of Analysis Services will offer the BI Semantic Model (BISM) that is based on Vertipaq, the same engine that runs PowerPivot. DAX and PowerPivot have been created as...(read more)

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• Le Khronos Group publie les spécifications de OpenGL 3.3 et 4.0

  Le Khronos Group publie les spécifications de OpenGL 3.3 et 4.0 Déjà deux ans après la sortie d'OpenGl 3.x, le Khronos Group nous offre le même jour les spécifications des nouvelles versions d'OpenGL : La version 3.3 et la version 4.0 Pour ces nouvelles versions la séparation Core et Compatibility demeurent et, nouveauté pour le GLSL, les versions ont dorénavant le même nom que la version de l'API sous laquelle elles ont été sortis. On nous promet aussi une version 4.0 optimisée, moins dépendante du CPU, notamment concernant la tesselation... N'étant pas familier a OpenGL je n'oserais en dire plus pour les plus curieux voici le lien :

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• Can i create a website blacklist with Group Policy?

  - by jimmygee

  Like i can create "whitelist" functionality for blocking all sites and allowing some via the GP setting: "User Configuration Windows Settings Internet Explorer Maintenance Connection/Proxy Settings Exceptions - Do not use proxy server for addresses beginning with" Can i create also a blacklist option like this (or similar) in Group Policy?

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• Count unique visitors by group of visited places

  - by Mathieu

  I'm facing the problem of counting the unique visitors of groups of places. Here is the situation: I have visitors that can visit places. For example, that can be internet users visiting web pages, or customers going to restaurants. A visitor can visit as much places as he wishes, and a place can be visited by several visitors. A visitor can come to the same place several times. The places belong to groups. A group can obviously contain several places, and places can belong to several groups. Given that, for each visitor, we can have a list of visited places, how can I have the number of unique visitors per group of places? Example: I have visitors A, B, C and D; and I have places x, y and z. I have these visiting lists: [ A -> [x,x,y,x], B -> [], C -> [z,z], D -> [y,x,x,z] ] Having these number of unique visitors per place is quite easy: [ x -> 2, // A and D visited x y -> 2, // A and D visited y z -> 2 // C and D visited z ] But if I have these groups: [ G1 -> [x,y,z], G2 -> [x,z], G3 -> [x,y] ] How can I have this information? [ G1 -> 3, // A, C and D visited x or y or z G2 -> 3, // A, C and D visited x or z G3 -> 2 // A and D visited x or y ] Additional notes : There are so many places that it is not possible to store information about every possible group; It's not a problem if approximation are made. I don't need 100% precision. Having a fast algorithm that tells me that there were 12345 visits in a group instead of 12543 is better than a slow algorithm telling the exact number. Let's say there can be ~5% deviation. Is there an algorithm or class of algorithms that addresses this type of problem?

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• London 16th June User-Group Review

  - by NeilHambly

  London SQL Server User Group (Host by IMGROUP) 16 th June One of my own failings of past, has been not doing a follow-up on the User-Group events I attend and frequently speak @, with post event blog & slide decks, this last Thursday was just one such occasion so here is the blog I promised We had somewhere around the mid 30's attend (I forgot to count it seems) and I think we all had a wonderful evening covering both SQL & non-SQL topics during the evening (let me know you thoughts on...(read more)

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• simple sql group by custom groups question [migrated]

  - by alex

  imagine a mysql table that only has 2 columns, an id and a name of a color. with this query I know how many id's do I have for each color. SELECT color_name, count(id) FROM color_table GROUP BY (color_name); red:10 blue:5 yellow:3 green:1 my question is, is there a way I can specify to the "group by" some custom groups?? i mean, is there a query that results in this??: red:10 colors different than red: 9

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• Wallpaper in Windows 7 locked down by domain group policy?

  - by Robert Dailey

  So I am in a situation where my wallpaper is locked to a specific image on my work computer via group policy. I can't change it via the Personalization settings since it is grayed out and says it has been set by the system administrator. Anyone know some local GPO and/or registry hackery I can do to override the domain's policy? I could probably get away with logging in under a local account for this, but I want that to be a last resort. Thanks in advance.

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