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• BES and BES Express co-existance

  - by ITGuy24

  Question: Can I deploy BES and BES Express with Exchange 2010? Any tips for doing this if possible? Background: We have a lot of users with personal BlackBerry's and we would like to allow them to start using their devices for receviing corporate email. We don't need full BES features for these users, just the ability to enforce passwords and remotely wipe. Plus users have never wanted to upgrade their data plans to the more expensive BES plans. So BES Express is a great fit. We already have an existing BES, for corporate owned BB's. We want to keep this as is allows us to enforce several policies, not available on BES Express.

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• How to share classes between DLLs

  - by Jamie Hale

  I have an unmanaged Win32 C++ application that uses multiple C++ DLLs. The DLLs each need to use class Foo - definition and implementation. Where do Foo.h and Foo.cpp live so that the DLLs link and don't end up duplicating code in memory? Is this a reasonable thing to do?

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• Benefit of using multiple SIMD instruction sets simultaneously

  - by GenTiradentes

  I'm writing a highly parallel application that's multithreaded. I've already got an SSE accelerated thread class written. If I were to write an MMX accelerated thread class, then run both at the same time (one SSE thread and one MMX thread per core) would the performance improve noticeably? I would think that this setup would help hide memory latency, but I'd like to be sure before I start pouring time into it.

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• Upgrading kernel on Debian server hosting Xen 3.2.1

  - by mitnosirrag

  I have a physical server running Debian 6 and Xen Hypervisor 3.2.1, and kernal -a says "2.6.26-1-xen-amd64". I have not updated for a long time, because when I run apt-get upgrade, one of the updates is linux-image-2.6-amd64. My understanding was that my kernel needs to have Xen support, will upgrading to this kernel break my dom0? I have myself up against a wall, because I host a VM for a website that isn't mine, so I need the latest security updates, but can't risk taking them offline. Eventually they will move off, and I won't be hosting something I am unqualified to host, but that isn't the point right now.

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• PHP: optimum configuration storage ?

  - by Jerome WAGNER

  Hello, My application gets configured via a lot of key/values (let's say 30.000 for instance) I want to find the best deployment method for these configurations, knowing that I want to avoid DEFINEs to allow for runtime re-configuration. I have thought of - pre-compiling them into an array via a php file - pre-compiling them into a tmpfs sqlite database - pre-compiling them into a memcached db what are my options for the best random access time to these configuration (memory is not an issue) ? Thanks Jerome

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• Why can't you access the size of a new[]'d array?

  - by Poita_

  When you allocate an array using new [], why can't you find out the size of that array from the pointer? It must be known at run time, otherwise delete [] wouldn't know how much memory to free... Unless I'm missing something?

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• Windows Server 2008 R2 Software Deployment on Active Directory - Schema Issue

  - by weedave

  We have two servers, one running Windows Server 2003 SP2 and one running Windows Server 2008 R2. Both servers have their own versions of Group Policy Management (1.0.2 on 2003 and 6.0.0.1 on 2008). We are wanting to migrate everything over to the newer 2008 server, including software deployment. However, when I try to add a new software package using a .msi file, I get the following error: "The schema for the software installation data in the Active Directory does not match the required schema." I have tried two separate software packages and get the same error on the 2008 server. However, when I do the same on the 2003 server, it adds the software package without any problems. The .msi files I am using are up-to-date - one is the most recent version of Google Chrome. Is this problem caused by the different versions of the OS, or the Group Policy Management program? How do we "upgrade" our Active Directory to allow software deployment on the 2008 server? Thanks.

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• Should I worry about circular references in Python?

  - by bodacydo

  Suppose I have code that maintains parent/children structure. In such a structure I get circular references, where child points to parent and parent points to child. Should I worry about them? I'm using Python 2.5. I am concerned that they will not be garbage collected and the application will eventually consume all memory. Thanks, Boda Cydo.

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• ClamAV eating up all available disk space

  - by Ra

  Today I found that my Redhat server has run out of hard disk space. The culprit seems to be a program called Clamav that fills /tmp directory with thousands of subfolders with names like clamav-004adb870cd79534. All these folders contain this: drwx------ 2 root root 4.0K Apr 21 07:56 . drwxrwxrwt 68 root root 64K Apr 21 08:03 .. -rw------- 1 root root 18K Apr 21 07:56 COPYING -rw------- 1 root root 4.6M Apr 21 07:56 main.db -rw------- 1 root root 14K Apr 21 07:56 main.fp -rw------- 1 root root 1.5M Apr 21 07:56 main.hdb -rw------- 1 root root 901 Apr 21 07:56 main.info -rw------- 1 root root 33M Apr 21 07:56 main.mdb -rw------- 1 root root 16M Apr 21 07:56 main.ndb -rw------- 1 root root 217 Apr 21 07:56 main.zmd When I deleted them they got back and filled my hard drive in about an hour again. How do I go about this? Can I safely stop Clamav? It seems to me that Clamav is trying to upgrade unsuccessfully.

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• Remove an element from an xml File using jdom

  - by Llistes Sugra

  I have a 300 KB xml file with 70 elements in it. I need to be efficient upon removing one of the root's elements. What is the best approach? Should I detach the element in memory, save it and overwrite it by moving it? Is there a better option? I like org.jdom but any improvement is welcome

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• What would be the total expenses of running an in-home web server?

  - by techaddict

  I have several hosting accounts with companies, and plan to keep them. However, I would like to try my hand at creating my own home web-server, both for fun and for the learning experience. I would like to know the expenses involved, including: electricity costs (greater than light bulb?) internet costs (will I have to upgrade my internet? Or is 3-5Mbps upload speed fine for a web server with medium amount of traffic? Would I have to get a separate internet connection?) other unknown expenses Consider that I will configure the web server myself, so that is not an expense. Also consider that I already have a computer (year-old Dell laptop, 15R) to use to be dedicated as the web server.

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• SSH Kerberos Auth in Mac OSX 10.7

  - by deemstone

  I just upgrade my Mac OS to 10.7 Lion. It has worked well before. But , Only kinit working normally now, can't ssh to my server. After reinstall the "Mac OS X Kerberos Extras" , nothing better. Anyone give me a help? Thanks a lot!! my command line : Myname$ ssh [email protected] -v ...... debug1: Authentications that can continue: gssapi-with-mic,password debug1: Next authentication method: gssapi-with-mic debug1: Miscellaneous failure (see text) UNKNOWN_SERVER while looking up 'host/[email protected]' (cached result, timeout in 1200 sec) debug1: An invalid name was supplied unknown mech-code 0 for mech 1 2 752 43 14 2 debug1: Miscellaneous failure (see text) unknown mech-code 0 for mech 1 3 6 1 5 5 14 debug1: Authentications that can continue: gssapi-with-mic,password debug1: An unsupported mechanism was requested unknown mech-code 0 for mech 1 3 5 1 5 2 7 debug1: Miscellaneous failure (see text) unknown mech-code 0 for mech 1 3 6 1 5 2 5 debug1: Next authentication method: password [email protected]'s password:

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• Simple Fundamental Algorithm Question, binary tree traversal

  - by Ben

  I'm trying to explain to non-computer science major student with many questions. (1)What traverses tree? Is it just logic or actual on off switch generates 1s and 0s traveling the circuit board? where is this tree and node exists CPU/Memory in between? (2)If it is 1s and 0s HOW the circuits understand the line for example p=p.getLeft(); I said search the google or wiki.

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• How can I uninstall AppFabric?

  - by downatone

  I recently upgraded from Win 7 - Win 8. AppFabric was not one of the programs that came up as being incompatible when I ran the upgrade wizard, so I did not uninstall it. Now whenever I goto "Add or remove features" I get the following error: --------------------------- Windows Server AppFabric Setup Wizard --------------------------- Windows Server AppFabric is not supported on current operating system Windows 8 Pro(version 6.2.9200.0). Please refer to installation guide for the list of supported operating systems. --------------------------- OK --------------------------- Unfortunately the only way to uninstall AppFabric is via the "Add or remove features" - does anyone know a commandline command to kick the uninstall so I can at least access "Add or remove features"? Edit: C:\Windows\System32\AppFabric\Setup.exe /remove Throws the same error as above.

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• xampp mysql and rubby

  - by user115079

  I've installed ruby and xampp server. now i am trying to use xampp mysql for ruby application. i copied xampp mysql lib (libmysql) from C:\xampp\mysql\lib to C:\Ruby192\bin (as told on some post on this forum). now after that when i try to create a resource using following command, i get an error. command: rails generate scaffold ShortUrl url:string error: C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.3.11-x86-mingw32/lib/mysql2/mysql2.rb:2:in `require': Incorrect MySQL client library version! This gem was compiled for 6.0.0 but the client library is 5.5.16. (RuntimeError) i know that there is version issue b/w ruby mysql client and xampp mysal. now i need advice that what is better solution? upgraded xampp mysql or downgrade ruby mysql version. Personally i want to upgrade xampp mysql but i read on some post that xampp mysql can't be upgraded. please advise.

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• IDataErrorInfo vs ValidationRule vs Exception

  - by WPF User

  Can anyone tell me which is a better approach for Validation in WPF. 1. Implementing IDataErrorInfo 2. Creating ValidationRule 3. Throwing Exceptions in terms of performance, memory leaks, code maintainability and re-use.

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• Netgear Wireless-n 150 wrn1000v2

  - by Jordan

  I'm not sure if this is the place to ask this question, move it if it's not. I'm trying to fix a wireless network. It only connects to a few devices and when it does work the connection is spotty. The router is a netgear wireless-n 150 wrn1000v2. Connecting to the router isn't a big problem, but connecting to the internet via WiFi is. I can't upgrade the firmware becuase it is from Comcast and it seems as though they only allow their versions of the firmware. I've monitored the network with wireshark and I see that the devices that are having trouble connecting are constantly asking "who is 192.168.1.1 tell 192.168.1.x" where x is the ip for the device. 192.168.1.1 is the router. This is from running wireshark on the wireless device. What does this mean. At this point I feel like buying a new router is the only option.

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• Mac OSX Server 10.6 DNS Issues

  - by dallasclark

  Hi, The server was upgraded from 10.5 from 10.6, during the upgrade the Reverse Zones were lost so I tried to recreate these but found that it's best to delete all zones, definitions and start again. So I've started again and Reverse Zones are appearing but I'm still having issues. I receive the following errors (if they help) 01-Nov-2010 12:52:01.254 client 192.168.1.52#57051: view com.apple.ServerAdmin.DNS.public: query (cache) 'server.dev.home.gateway/A/IN' denied 01-Nov-2010 12:59:24.487 client 192.168.1.52#52858: view com.apple.ServerAdmin.DNS.public: query (cache) 'earth.server.dev.home.gateway/A/IN' denied At the moment I have the following setup in the DNS 1.168.192.in-addr.arpa. Reverse Zone 192.168.1.100 Reverse Mapping MacPro-Server.local. server.dev. Primary Zone server.dev. Machine 192.168.1.100 earth.server.dev. Alias server.dev.

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• What is an Entity? Why is it called Entity?

  - by rkrauter

  What is the deal with Entities (when talking about the Entity Framework)? From what I understand, it is pretty much an in memory representation of a data store like sql tables. Entities are smart enough to track changes and apply those changes to the data store. Is there anything more to it? Thanks in advance.

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• Lotus Notes wants to open some emails with web browser, rather than within Notes itself

  - by John K.

  I have a problem with Lotus notes 8.5.1 wanting to open certain emails in my web browser, rather than within Notes itself. The emails that do this, seem to have some html in the note (Not just a link, but the note itself) This is a recent upgrade from 8.0.2 which had a similar problem, but it showed all of the html formatting characters in the notes, rendering it almost unreadable. I was hoping a fresh install of Notes would fix it, but it did not. I am using the same version of Notes & Win XP at work, and I do not have the problem. I am guessing that it is a setting on my home computer and not Notes, but I have no idea what it would be.

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• Hosting custom domains with IP address flexibility

  - by F21

  I am building a small service where users will be assigned a subdomain such as: myusername.myservice.com anotheruser.myservice.com I know that I can set up a wildcard vhost and using some configuration regex, serve the files like so: myusername.myservice.com ===> /var/www/myusername anotherusername.myservice.com ===> /var/www/anotherusername The problem is that I would like to allow users to alias their own domain names to their service. I understand that for the webserver, once the user adds the domain via my web interface, I can easily create a vhost for the domain in nginx and then refresh the webserver. The problem is that I would prefer to NOT let the users add an A record of my webserver's IP address as I would prefer to keep things flexible (when we upgrade our infrastructure to something more complex to scale). What is the best way to achieve this?

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• Windows 2003 SBS: no more CAL sold

  - by Gregory MOUSSAT

  I just discovered a hidden unmanaged server into a remote location. This is a Windows 2003 SBS with 5 CAL per device. There is currently 12 computers connected. So I want to buy more CALs. But SBS 2003 CALs are not sold anymore. Neither SBS 2008 CALs, which can be downgraded to 2003. And 2011 CALs can't be downgraded. So no legal solution if we want to stay with 2003. Sort of programmatic obsolescence. We can upgrade the server to 2011. But I'd like to let him as is (I don't "repair" working servers, and this often lead to bigger problems, especially on those non managed servers). Anyone see another solution ?

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• How to maintain PCI compliance on a LAMP server when repositories don't keep up with versions

  - by Jared Green

  We run Ubuntu Lucid 10.0.4 as the foundation of our LAMP environment. We are trying to become PCI compliant so that we can pass CC info through our server. We have run some third-party scans on our servers to begin the certification process and have run into errors regarding PHP 5 versions and Apache versions. The latest PHP version hosted in our official lucid repository is about 10 versions lower than what PCI compliance requires. How do we upgrade to stay current with PCI compliance requirements? We need to get from php 5.3.2 to php 5.3.15 As well as up to apache 2.2.23 I've searched far and wide for an answer and haven't come up with a realistic answer. Some recommend compiling manually - which sounds like a nightmare, and others recommend a PPA - which sounds insecure. What should we do?

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• HP Compaq T20 Thin Clients & Windows Server 2008 R2: RDP Disconnects instantly.

  - by sinni800

  Hello, I have some HP Compaq T20 Thin Clients connecting to a Windows Server 2003. Now I want to upgrade to 2008 R2, so I tested a trial installation with remote desktop in administration mode. So I try to connect my T20 to the server and... It doesn't matter if I turn off encryption or not it disconnects with an generic error instantly. The T20s have Windows CE embedded with RDP 5.2 installed. Out of curiosity I tried Windows Server 2008 (no R2) and it worked! I tried the same with a Windows 7 machine set up with- no work. I can not update the T20s to Windows NT embedded for example because they only have a low amount of flash memory. It seems the "new" version of RDP coming from Windows 7 / Windows Server 2008 R2 is completely incompatible with the older 5.2 version. People are having the same problem here: http://social.technet.microsoft.com/Forums/en-US/winserverTS/thread/700488cd-a872-47e5-85a7-595f050afc10

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• unable to install new versions of linux on my PC

  - by iamrohitbanga

  I have an MSI-RC410 motherboard with onboard ATI Radeon XPress 200 series Graphics card. I have used OpenSuse-11.0 on my PC for over an year. but when I tried to upgrade to OpenSuse-11.1, I managed to install it only to find that several features were missing. for example /dev/cdrom was missing. Also install DVD of Fedora 11 did not work. I have also tried Ubuntu-9.10 live cd. When I boot from the CD i get the initramfs command prompt. Still able to install old versions of these OSs. What is the reason for this behavior? Does it have to do anything with the new version of the linux kernel not being compatible with my hardware? What should i do to install new versions of Linux?

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