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• Enabling GTX 570

  - by Silas

  Hello i just built up my new system: Asus Rock Z77 Extreme 4 Intel i7 3770k 16 Gb Corsair Ram Zotac Nvidia GTX 570 bequiet! 630W Power supply 120 GB SSD So after i installed UBUNTU 12.04 64 bit. It ran smoothly. I downloaded and installed all the recommended updates. After checking the Sytem details the GTX 570 didnt show up as graphics unit. so i figured i needed to download the drivers. So i did but being a complete newbie to linux i didnt succeed in installing them. (I think) Anyway after several tries and errors i shut down the PC and restarted it. Resultung in do Signal to my screen after trying to reboot and all the monitor outs with no result i took out the graphic card and now it boots normally but after booting it says there is a problem with the system the graphics cant be recognized something something. So Question A: What do i do? I Like linux but the arbitrarity of the Errors that occur without any changes to the system scare me. Question B: Is there A beginners guide to Ubuntu where i could start from scratch because i really want this to work? Question C: Now that the System is (suddently) showing these graphic errors So far without visible consequence despite the error message. should i reinstall the GPU and give the driver installation another try or the other way around? Ill be very grateful for any help. Thank you in advance!

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• rename multiple files with unique name

  - by psaima

  I have a tab-delimited list of hundreds of names in the following format old_name new_name apple orange yellow blue All of my files have unique names and end with *.txt extension and these are in the same directory. I want to write a script that will rename the files by reading my list. So apple.txt should be renamed as orange.txt. I have searched around but I couldn't find a quick way to do this.I can change one file at a time with 'rename' or using perl "perl -p -i -e ’s///g’ *.txt", and few files with sed, but I don't know how I can use my list as input and write a shell script to make the changes for all files in a directory. I don't want to write hundreds of rename command for all files in a shell script. Any suggestions will be most welcome!

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• Developing an Interface to a Dynamic System

  - by radix07

  I work for a small company and have been designing a GUI to interface our embedded system. The problem with this embedded system is that it is not a finished product (may never be) and is constantly under development and being tweaked and updated for different customers and applications in small volumes. So to deal with this I made a program that can export all the data from a spreadsheet where most of the embedded system variables are sourced from and throw them into a small database for the GUI application to use. This database program I made also spits out a cross reference file for the embedded system which allows the GUI to look up all the variables. This system works pretty well so far, and is even integrated with version control among the GUI, database, and embedded system. The big problem is that there is constant development on several projects that use this system and it gets terribly tedious to keep the system up to date and bring in new changes. This has gotten to the point to where I have had to code the GUI to dynamically (generically) generate all interfaces since I am never guaranteed to find the same data the same way. I have not been able to come up with a good way to uniquely identify the data I import from excel since all fields are able to be changed (due to engineering stubbornness, code re-factoring and/or excel issues) and I cannot assign a fixed reference within the sheet itself. So, are there any good methods or ideas on how to handle the chaos?

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• Is there a piece of software which lets you turn "anything" into a dynamic reorderable list?

  - by Robin Green

  I could write this myself, but I want to know if it already exists. Basically, it must fulfill these criteria: To reorder items, the user must never have to manually renumber them. That would be annoying, and it doesn't scale. Can read from a range of data sources (e.g. a database, a directory on the file system, a text file, another list) When the original data source changes, the list must automatically change with it (possibly with confirmation, e.g. if a list item would be deleted) Ability to persist the list ordering in some fashion Graphical display of list items (so that they can include e.g. images) Optional extras: Ability to modify data and write back to the data source (other than the ordering information)

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• RSync over SSH hangs and fails with timeout

  - by tx2

  Client: Gentoo, GCC 4.3.4, RSync 3.0.9 Server: Ubuntu 10.04.4 LTS, RSync 3.0.7 Client and server connectet through is Internet, about 2Mbps. Ping is ok. RSync called on any files in any direction hangs on random file, then, after timeout, fails with: [sender] io timeout after 30 seconds -- exiting rsync error: timeout in data send/receive (code 30) at io.c(140) [sender=3.0.9] [sender] _exit_cleanup(code=30, file=io.c, line=140): about to call exit(30) In 1/10 trys is pass correctly. I've tryed to add SSH options TcpRcvBufPoll=yes, KeepAlive=yes; disable and enable rsync compression -- no changes. How can i make rsync works properly?

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• sed: replace only the first range of numbers

  - by Marit Hoen

  Imagine I have an input file like this: INSERT INTO video_item_theme VALUES('9', '29'); INSERT INTO video_item_theme VALUES('19', '312'); INSERT INTO video_item_theme VALUES('414', '1'); And I wish to add 10000 to only the first range of numbers, so I end up with something like this: INSERT INTO video_item_theme VALUES('10009', '29'); INSERT INTO video_item_theme VALUES('10019', '312'); INSERT INTO video_item_theme VALUES('10414', '1'); My approach would be to prefix "1000" to one digit numbers, "100" Something like...: sed 's/[0-9]\{2\}/10&/g' ... isn't very helpful, since it changes each occurance of two numbers, not only in the first occurance of numbers: INSERT INTO video_item_theme VALUES('9', '10029'); INSERT INTO video_item_theme VALUES('10019', '100312'); INSERT INTO video_item_theme VALUES('100414', '1');

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• How do I turn of "auto-echo" in bash when I 'cd'?

  - by Avery Chan

  I don't know when this started happening but now, every time I cd to a directory it echoes the path right before it changes directories. This happens when I log into a server but doesn't happen on my local machine. The server is running Linux. My local machine is running Mac OS X. I searched the Google as well as looked at the bash man page but I couldn't find anything. My .bashrc/.bash_profile doesn't have anything related to 'cd' (that I know of). How do I modify this "feature"?

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• Autosaving on emacs or xemacs files (preferably on loss of focus)

  - by Spencer

  Ideally I want to replicate with emacs functionality from TextMate, whereby on loss of focus i.e. I click away from the buffer, my file saves. If this isn't possible, I want to customize emacs so that it will autosave the file for every character I write. When I say this I don't mean I want to autosave to the ~ backup files. I want to save the file I am currently working on. I am working on a Fedora VM. Note I am not looking for a backup or autosave. I want the file I am actually in to save, so that if I loaded the html file I am editing in a web browser it would reflect my new changes without me having to explicitly change it.

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• Link two or more text boxes in Visio

  - by Dan

  I am working on creating a template in Visio 2007 (Professional). Each page should reflect a document number and a revision number (two text boxes). I would like to make the template such that entering or changing text in one of these boxes on one page will automatically update the equivalent text boxes on all other pages. Is there an easy way to link two (or more) text boxes to show the same data (mirror each other)? I've looked into creating a ShapeData set and then using the ShapeData field in place of each box, but this will require training others to access and adjust the ShapeData field. In short - I want the issue that was attempting to be solved in Changing Text in Visio Org Chart Shape Changes Multiple Shapes' Text .

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• Did I Inadvertently Create a Mediator in my MVC?

  - by SoulBeaver

  I'm currently working on my first biggish project. It's a frontend facebook application that has, since last Tuesday, spanned some 6000-8000 LOC. I say this because I'm using the MVC, an architecture I have never rigidly enforced in any of my hobby projects. I read part of the PureMVC book, but I didn't quite grasp the concept of the Mediator. Since I didn't understand and didn't see the need for it, my project has yet to use a single mediator. Yesterday I went back to the design board because of some requirement changes and noticed that I could move all UI elements out of the View and into its own class. The View essentially only managed the lifetime of the UI and all events from the UI or Model. Technically, the View has now become a 'Mediator' between the Model and UI. Therefore, I realized today, I could just move all my UI stuff back into the View and create a mediator class that handles all events from the view and model. Is my understanding correct in thinking that I have devolved my View as it currently is (handling events from the Model and UI) into a Mediator and that the UI class is what should be the View?

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• How can I prevent OpenVPN Client from blocking inbound connections while a tunnel is connected?

  - by joshudson

  We have this machine that we RDP into for using OpenVPN. When a tunnel is connected, it is not possible to RDP into the machine. Should we get disconnected, this is a problem (machine is headless). How can I stop OpenVPN from blocking inbound RDP? I do not have access to the server configuration. If there's anything interesting on the client to check you'll have to tell me how to get at it. I eliminated the possibility of routing issue before asking the question. Only inbound connections cannot be opened. Outbound connections to LAN can be opened just fine. EDIT: Don't bother answering. The problem disappeared without any known changes being made.

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• Motivation for a service layer (instead of just copying dlls)?

  - by BornToCode

  I'm creating an application which has 2 different UIs so I'm making it with a service layer which I understood is appropriate for such scenario. However I found myself just creating web methods for every single method I have in the BL layer, so the services basically built from methods that looks like this: return customers_bl.Get_Customer_Prices(customer_id); I understood that a main point of the service layer is to prevent duplication of code so I asked myself - why not just import the BL.DLL (and the dal.dll) to the other UI, and whenever making a change re-copy the dlls, it might not be so 'neat', but still less hassle than one more layer? {I know something is wrong in my approach, I'm probably missing the importance of service layer, I'd like to get more motivation to create another layer, especially because as it is I found that many of my BL functions ALREADY looks like: return customers_dal.Get_Customer_Prices(cust_id) which led me to ask: was it really necessary to create the BL just because on several functions I actually have LOGIC inside the BL?} so I'm looking for more motivation to creating ONE MORE layer, I'm sure it's not just to make it more convenient that I won't have to re-copy the dlls on changes? Am I grasping it wrong? Any simple guidelines on how to design service layer (corresponding to all the BL layer functions or not? any simple example?) any enlightenment on the subject?

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• Show Excel column filter information in cells

  - by Alex

  We have a sheet with a huge number of columns and filtering is often used to navigate to the correct data. The problem is that sometimes its not obvious that the filter has been applied , the visual cue is very subtle. Is it possible to show some data via a formula or VBA about the filter inside another cell? Something like this: Just knowing if the filter is active would be a good help, knowing what columns have active filters applied to them would be icing on the cake. Ideally they update automatically. I dont have ownership of the spreadsheet so cant make major changes to its structure or anything but VBA is fine. Any ideas?

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• How can I avoid hard-coding YubiKey user identities into the PAM stack?

  - by CodeGnome

  The Yubico PAM Module seems to require changes to the PAM stack for each user that will be authenticated with a YubiKey. Specifically, it seems that each user's client identity must be added to the right PAM configuration file before the user can be authenticated. While it makes sense to add authorized keys to an authentication database such as /etc/yubikey_mappings or ~/.yubico/authorized_yubikeys, it seems like a bad practice to have to edit the PAM stack itself for each individual user. I would definitely like to avoid having to hard-code user identities into the PAM stack this way. So, is it possible to avoid hard-coding the id parameter to the pam_yubico.so module itself? If not, are there any other PAM modules that can leverage YubiKey authentication without hard-coding the stack?

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• IF Statement using dates for a budget template

  - by Leah Allen

  I am working on a budget and want to automatically account for increases in rent in the correct month, I would also like to account for dates tenants move in or out. I may also sometimes have a tenant in a space all year with no changes to rent. Below is an example of my budget with all three scenarios. SQFT BaseRentperSQft BaseRentIncrease DateofIncrease CommencementDate TermDate Jan-Decbymonth 10,000 $15.00 $15.25 05/01/2013 11/30/2013 10,000 $15.00 04/01/2013 10,000 $15.00 I would like to build a formula to accomplish all criteria. Thanks in advance, I can only write simple IF statements, this one is out of my league.

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• Linux will not activate wireless after device has been re-enabled

  - by XHR

  Using a Eee 900A netbook by Asus. By pressing Fn + F2, I can disable or enable the wireless chip on the netbook, a blue LED indicates the status. I've been able to connect to wireless networks just fine with this netbook. However, if the wireless chip ever becomes disabled, I have to reboot to get my network connection back. This generally happens when suspending. For some reason the LED will be off and I have to hit Fn + F2 for it to light up again. However, after doing so, Linux will not reconnect to the network. It simply changes the wireless status from "wireless is disabled" to "device not ready". Even worse, I've recently had issues with the chip being enabled at boot, thus making it nearly impossible to get connected. I've searched around on-line but haven't found much of anything useful on this. This happens on all kinds of different distros including Ubuntu 9.10 Netbook, EeeBuntu 4 beta, Jolicloud and Ubuntu 10.04 Netbook.

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• OpenGL : sluggish performance in extracting texture from GPU

  - by Cyan

  I'm currently working on an algorithm which creates a texture within a render buffer. The operations are pretty complex, but for the GPU this is a simple task, done very quickly. The problem is that, after creating the texture, i would like to save it. This requires to extract it from GPU memory. For this operation, i'm using glGetTexImage(). It works, but the performance is sluggish. No, i mean even slower than that. For example, an 8MB texture (uncompressed) requires 3 seconds (yes, seconds) to be extracted. That's mind puzzling. I'm almost wondering if my graphic card is connected by a serial link... Well, anyway, i've looked around, and found some people complaining about the same, but no working solution so far. The most promising advise was to "extract data in the native format of the GPU". Which i've tried and tried, but failed so far. Edit : by moving the call to glGetTexImage() in a different place, the speed has been a bit improved for the most dramatic samples : looking again at the 8MB texture, it knows requires 500ms, instead of 3sec. It's better, but still much too slow. Smaller texture sizes were not affected by the change (typical timing remained into the 60-80ms range). Using glFinish() didn't help either. Note that, if i call glFinish() (without glGetTexImage), i'm getting a fixed 16ms result, whatever the texture size or complexity. It really looks like the timing for a frame at 60fps. The timing is measured for the full rendering + saving sequence. The call to glGetTexImage() alone does not really matter. That being said, it is this call which changes the performance. And yes, of course, as stated at the beginning, the texture is "created into the GPU", hence the need to save it.

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• Programmatically change height of the window more than the height of the screen in Mac OS X

  - by nezlooy

  Respected low-level users of Mac OS, please, help. I'm trying programmatically to change height of window of safari (or other window). I'm was trying used AppleScript and AXUIElementSetAttributeValue of Carbon, but none of these methods can't increase the window bigger than the height of the screen. But, the width changes without any problems. I guess I'd be starting with something like SetWindowPos with SWP_NOSENDCHANGING flag under Win32. Maybe, you can disable this functionality, which monitors the size of the window or completely shutdown the one who is responsible for it? Note that I want to do this programmatically from an external process - I'm not asking how to control just my own app's window size and position. Thanks.

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• How do I tell if there are unwanted remote guests on my computer? [closed]

  - by WckdMsftsGrl

  Possible Duplicate: What to do if my computer is infected by a virus or a malware? Why do I always find the strangest programs and the strangest text files all the time? All kinds of weird things happen, like my screen changes and the address line doesn't change in IE, just weird stuff. Is it me or could there really be something going on? I've never had so much trouble with any computer before and I am on a public access point where I live. Any advice will be greatly appreciated. I either need peace of mind, or a good defence, because this is getting out of hand.

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• Is rsync corrupting my RAR?

  - by Mark Henderson

  We have two qnap devices - one in our datacentre and one off-site. We have hundreds of password protected RAR files stored on the qnap that contain virtual machine image snapshots, with approx 20 of them being created each day. We synchronise the two devices using rsync, and it looks like all the files are being rsynced OK - they come over and have the same file size and all the files are present and accounted for. However, when I try to open the RAR files on the remote site, I get Cannot open \\qnap01\FromDatacentre\Snapshots\DB001SQL1-20110626.rar I can open the RAR files on the local site just fine, so I assume that something is getting mangled during the rsync procedure. However, the older files (pre 2011-06-20) work just fine, it's something that's only started happening in the last week. There haven't been (as far as I know) any changes to any of the devices, setup or configuration in that time. Obviously something has changed though. Where should I start investigating?

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• How to show images in outline view in word 2010?

  - by Zonder

  I use a lot word with in outline view. In that view it is not possible to see images (while it was possible in 2007). When I paste an image in structure view it automatically changes the view to Print Preview. Is this a limitation introduced in 2010? If not how to get rid of it? I tried to read all the options, but I didn't find a matching checkbox. NOTE FOR BOUNTY: I started a bounty because this problem is really annoying for me. Please read the existing answer(s) and comment(s) before answering. Thanks.

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• Do all domains on the same shared hosting server have the same IP or ID

  - by silow

  Here's what I've got: siteA.com and siteB.com are hosted on hostgator. They're hosted on the same account of a shared hosting server (not VPS or dedicated). script.php is an external site that each of these 2 sites are accessing. I noticed that when siteA.com or siteB.com access the outside script.php, the script identifies them both as 1a.12.12ab.static.theplanet.com (apparently because hostgator uses theplanet.com servers). The fact that they're identified as the same value isn't surprising because after all they're hosted on the same account /home/user123/public_html. What I'm wondering about is how about other websites that are hosted on the same shared hosting server, but under other accounts. Basically other websites that are under another developer's control, but just happen to share the same hardware (hosting server). Do they also have the exact same identifier 1a.12.12ab.static.theplanet.com or that changes by account?

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• Using systeminfo to get the OS Name

  - by WileCau

  I need to find the flavor of Windows that is running using a batch file that will run on anything from Windows NT to Windows 7. I'm using a method based on this page with some minor changes. Systeminfo gives the flavor of Windows that is running. Is there any authoritative list of names that can be returned? If so where would I find the list? My intention is to do something like: winVer=Unknown rem NT doesn't have systeminfo ver | find "Windows NT" > nul if %errorlevel%==0 set winVer=WinNT for /f "delims=: tokens=2" %%v in ('sysinfo ^| find "OS Name"') do ( set verStr=%%v ) echo %verStr% | find "Windows XP" > nul if %errorlevel%==0 set winVer=WinXP echo %verStr% | find "Windows Vista" > nul if %errorlevel%==0 set winVer=WinVista ... etc Thanks

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• It is not quantifiably better

  - by MarkPearl

  An interesting statement I have heard recently in one of the organizations that I have been working with is that some of the agile processes that we are implementing are not quanitfiably better than the traditional processes they had before. This seemed to be the motivation for not moving the new process to the rest of the organization or expanding it. They would say, “the team seems to be happier than they were before but the improvement is not quanitifiable and until we can quantify it on paper we cannot make any further changes”. Up till recently I thought this was a problem until it dawned on me that their existing system was not being quantified, meaning even if I managed to quantify what we were doing (which I can), what would we be comparing it to? An appropriate response to someone when they give this reasoning is - "That's a very good point, let's go over the quantifiable attributes of your existing processes and see if we can get some common metric that we can compare them on?" If they then are able to produce some quantifiable metrics, you win because you now have something to compare it to, and if they don't then you can politely point the logic of that out as well.

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• How can I find the names of AD Group policies that a user/pc is using?

  - by Russ

  I am having trouble locating some settings in group policy so I can make changes due to the convoluted nature of our policies. What I would like to be able to do is go to a specific PC and see what group policies are being applied, so I can focus on those policies. My goal would be to clean up the GP's a bit, while allowing me to "walk the tree" to see what people have implemented and what is worthless. Thanks. EDIT: In this specific case, I am looking to find which GP maped drives are configured in. (User Configuration -- Preferences -- Windows Settings -- Drive Maps)

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