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• Is virtual machine slower than the underlying physical machine?

  - by Michal Illich

  This question is quite general, but most specifically I'm interested in knowing if virtual machine running Ubuntu Enterprise Cloud (that's Xen-based) will be any slower than the same physical machine without any virtualization. How much (1%, 5%, 10%)? Did anyone measure performance difference of web server or db server (virtual VS physical)?

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• Why is Cuteflow slow on XAMPP 1.7.1?

  - by gsk

  I have recently installed cuteflow (a PHP based document circulation application) on my machine as I need to customize this software. I have XAMPP 1.7.1 running on a windows xp machine on which this application is deployed. While all my other applications that are running on XAMPP are loading fast, only this application is taking exorbitant amount of time. The same cuteflow application is running very well on my colleagues machines.

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• Is it possible to apply Photoshop adjustment layers to multiple raster layers?

  - by Kronikarz

  I have something like this: Raster Layer 1 Raster Layer 2 Adjustment Layer Raster Layer 3 Raster Layer 4 I want to apply the adjustment layer to the raster layers below it, "rasterizing" it basically, so that the pixels in layers 3 & 4 are changed based on the adjustment layer. I don't want to do this one layer at a time, is this possible in Photoshop CS4?

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• What is a good laptop for .NET and Java programmer?

  - by achinth

  I am planning to buy a new laptop and would like to know if I should go for an i3, i5 or an i7 based laptop? I do most of my development in Visual Studio 2010 and also use Eclipse and Weblogic 10. Also planning to use WPF/Silverlight in the future. Will going for a i7 really benefit me or an i3 or an i5 will suffice for my needs?

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• Find daily backup sizes in DPM 2007

  - by Paul D'Ambra

  I'm considering setting up a DPM server offsite and synchronising it with my onsite DPM server. How can I determine the size of the changes that would be replicated (based on my historical data) so that I can determine if we have the bandwidth to support this?

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• Can Gitosis enforce correct user name/email?

  - by koumes21

  Gitosis is able to authenticate users based on public/private key pair. It is able to find out which user is currently committing. However, the user name and email is taken from the client's Git configuration ('git config user.name' etc.), which can be set to arbitrary values. Is there any way to associate user names and emails with their public keys and then make Gitosis uses these names and emails as the name and email of the committer?

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• Luns not taken by the windows server admin

  - by wildchild

  I have a scenario based question...Something , I haven't faced till now ,but i would be interested to know the answer. If i have assigned a luns (say, of 50 GB) and put them in storage group.However, the windows server team did not grab that lun but sent an acknowledgment saying the Luns are alingned. I would like to know what will happen to the Luns that belong to the SG ..in my opinion they will remain in the SG as unassigned Luns ..or is there a possibility that the lUns will move back to the storage.

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• Can I access mac iTunes library from an iPad?

  - by Ken

  Can I access my iMac based iTunes library from my iPad over my home wifi? I know I can sync them up but the library is too big. Edit; just to clear(er), the movies, podcasts etc which are stored on the iMac, I want to watch them on my iPad without syncing. I know I can create playlist to sync a subset of my library, but that is not what I want. What I'm thinking about is using my iPad as a kind of portable apple TV.

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• mediawiki - How do I configure mediawiki to show heading numbering/lettering in the document?

  - by hamlin11

  When the table of contents is generated, it numbers sections based upon their heading. section 1 section 2 2.1 section 2.1 2.2 secttion 2.2 section 3 and so on. I would like these section numbers to appear at the paragraph level also. 1, (section 1 header text) ... section 1 content ... 2, (section 2 header text) ... section 2 content .... Any tips?

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• Generic sql query email alert program

  - by mellerbeck

  Has anyone ever ran across a program that in a generic manner will execute a sql query and then based on criteria email out alerts. Going to create such a framework but don't want to re create the wheel if I don't have to. It could be used to check various things like if things are setup correctly inside our ERP etc... Thanks for any thoughts. Michael

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• Drop caches in Linux

  - by BerserkEVA

  I have an embedded Geode-based application server with 512MB RAM and I'm about to try to maximize free memory during applications workload, which uses MySQL database 5.5 with InnoDB quite aggressively. As part of the whole optimization I'd want to introduce echo 1 > /proc/sys/vm/drop_caches sleep 5 echo 0 > /proc/sys/vm/drop_caches in crontab. How often is it safe to execute something like this? Any other observation/suggestion is welcome.

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• Berkeley xml db on Windows - missing php libs

  - by Bakudan

  I have to make a project involving xml for my university. I decided to make something web based and use Berkeley xml db and php, on Windows. So I need 2 libs - php_db4.dll and php_dbxml.dll. There is no such files. In addition there is no source code to be compiled in the dbxml \ build_windows folder of the installation! There is only vcproj files. Can anyone help me with this?

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• Is it feasible to build a home Plug PC cluster?

  - by Zubair

  Is it possible to build a performant cluster for the home based on something like a plug pc: http://www.marvell.com/platforms/plug_computer/ I realise the Marvell Plug PC is not very powerful but in a couple of years I could imagine them starting to get dual cores and more RAM

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• Forcefully run program in Vista RFM (Reduced Functionality Mode)

  - by Sphynx

  The idea is to use Vista RFM as a freeware version of Windows to allow Mac users running a Windows-based application via VirtualBox. Is there a way to make that possible (starting the program automatically in RFM)? Thanks!

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• document management

  - by Sora

  what's the best way to manage a large amount of documents? (word,ppt,pdf...) when windows explorer is not sufficient? preferably desktop based solution

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• RemoteFX Hardware For Home Use

  - by The Woo

  I would like to setup Windows Server 2008 R2 using RemoteFX at home, for a couple of users to all use the server (instead of buying each user a seperate computer). I have been trying to find what processors (Intel based) that support the SLAT that is apparently needed to run RemoteFX. I currently have a computer that has an i3 processor, but after testing it shows that it will not support it. Does anyone know which processors from Intel do support this?

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• Nginx proxy with SSL Authentication

  - by Dustin Oprea

  I need to proxy an SSL-authenticated connection to another server that requires an SSL authenticated connection. I realize that the incoming and outgoing connections of the proxy may have different certificates, but is it possible to call proxy_pass and tell it to use a certificate/private key for connection to the proxied system? Based on the documentation, it doesn't seem possible. Maybe with another module?

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• Install Windows SteadyState without an internet connection?

  - by Andrew

  Based on the results of this post, I'm trying to install Windows SteadyState on a bunch of computers with no internet connection (but all with legitimate copies of windows XP pro). The problem is that the installer asks to be connected to the Windows Genuine Advantage server, and I can't manage that. Is there a workaround? I can use internet at my home, but cannot have the school install and pay for a connection. Maybe there's another program that would work just as well?

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• IIS redirect not working as wanted

  - by Leonardo

  i need help with IIS redirect... My website is on the internet and i want to redirect requests based on the following rule: if URL = http :// contoso.com (public address) - Redirect to http :// contoso.com/portal if URL = http :// myserver (internal address) - Dont do anything if URL = http :// 192.168.0.1 (internal address) - Dont do anything is it possible? how can i do it?!? i managed to get the first one... but i cant get the second and third one to work...

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• Simple, current how-to install mod-security on cPanel server?

  - by linux911

  Does anyone have or know of a simple, up to date how to for installing mod-security on cPanel and configuring it after install? Every how to on the web I've found is at least two years old and is based on a mod-security addon function in cPanel which doesn't exist anymore. There are a couple of free add ons to simplify selecting rule files (configserver's for example) but there's no documentation on which rules a cPanel system "should" be using and so on.

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• How do you start a program after X has started?

  - by cyborg

  Hello, there's a little app called F.Lux that sets your screen temperature based on the time of day. The Linux version is a little spartan with just a console interface but it works perfectly well. The question I have is where can I invoke it so that it starts up after X has started? Thanks.

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• how to group fields in crystal reports usingf vb.net code?

  - by meenakshi

  I am using vb.net 2005. i am trying to set report groupings of a crystal report at runtime based on user defined options. MSDN says this: Dim FieldDef As FieldDefinition FieldDef = Report.Database.Tables.Item(0).Fields.Item(comboBox1().Text) Report.DataDefinition.Groups.Item(0).ConditionField = FieldDef but error shows invalid group number

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• UNIX tool to dump a selection of HTML?

  - by jldugger

  I'm looking to monitor changes on websites and my current approach is being defeated by a rotating top banner. Is there a UNIX tool that takes a selection parameter (id attribute or XPath), reads HTML from stdin and prints to stdout the subtree based on the selection? For example, given an html document I want to filter out everything but the subtree of the element with id="content". Basically, I'm looking for the simplest HTML/XML equivalent to grep.

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• What is the best multiple monitors app for Windows 7?

  - by AndyMcKenna

  What is the best app for supporting multiple monitors in Windows 7? Ultra mon was perfect in Vista and XP but I don't think it works with Windows 7 yet. The main features I'm looking for are: Taskbar for each monitor with only the apps that are running there. This might not be doable based on how the Windows 7 taskbar works now. A button next to Minimize to send the window to the other monitor Separate wallpapers for each monitor

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• Using proxy server to redirect MySQL traffic to multiple servers using standard port?

  - by FrenchFry

  Is it possible to redirect MySQL (tcp) traffic to multiple servers based on domain name alone? Our DNS is setup to point several sub-domain aliases to one proxy machine. (running haproxy and iptables). We would like to redirect all database traffic through this proxy server and route it to the appropriate db server, WITHOUT deviating from the standard MySQL port. dev.domain1.com:3306 -- dbDevServer.domain1.com:3306 test.domain1.com:3306 -- dbTestServer.domain1.com:3306 prod.domain1.com:3306 -- dbProdServer.domain1.com:3306 Thanks!

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