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• Windows Server 2003 can't see Vista machine

  - by Django Reinhardt

  Hi there, I've got a real PITA problem that I'm sure has a really simple solution. I have a Windows Server 2003 machine that needs to be able to see the network name of a Vista box - but refuses to. It can see the Vista box (and even access its shared folder) if I enter the Vista box's IP address. Problem is: SQL Server refuses to do Replication with anything other than the "actual server name". That means that the 2003 machine needs to be able to connect through the Vista machines network name... not just its IP address. I'm guessing it's a simple incompatibility between OS's, but I'm sure there's got to be a simple way of fixing it. Note: Yes, the Vista machine can connect to 2003 machine, no problem. And other machines in the office can connect to both the Vista machine and 2003 (they have more recent OS's). Thanks for any help!

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• Reboot loop after sysprep of AD machine

  - by rboarman

  Major screw-up here and I need to find out how much trouble I am in. I have an AD machine that is running Server 2008 R2, hyperv, DHCP and DNS. On the hyperv machine, I have a backup AD instance running along with a handfull of other server 2008 instances. Sysprep was run on the hyperv machine instead of one of the instances. I am attempting to bring the machine back up so I can try a system restore. When I boot the hyperv machine, I get an error that says “Windows could not complete the installation. To install windows on this computer , restart the installation” This message occurs in safe mode, AD restore mode and in last known configuration mode. How can I get my OS to boot at this point? Do I need to reinstall 2008 R2 from scratch?

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• Fedora 17 - Can't access remote machine using hostname

  - by Aaron

  I am using Fedora 17 and am trying to access a remote machine (running Fedora 15) using its hostname which isn't working. The machine is right next to me on the same switch as my machine (so they are both on the same network with the same subnet and everything). When I was running Windows (7 32-bit) on my machine I could access the other machine no problem but now that I am running Fedora 17 that's not the case. Is there an additional daemon or something that I need to be using in order for this to work?

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• How to transfer files between a remote Linux machine and a local Windows machine?

  - by Lazer

  I need to transfer files/folders between a remote machine running Linux and my local machine running Windows XP. I usually access the remote machine through ssh, and sometimes use VNC sessions. What is the easiest way to transfer a file from the remote machine to my local machine and vice versa? I think ftp should be the solution. Is there a better way? If ftp is a good option, how do I initiate the transfer? Do I need to setup ftp servers on both the machines and then transfer? What exactly needs to be done?

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• Error during GENERAL_REQUEST_ENTITY for POST results in ASP .NET session state never getting unlocked

  - by Jesse

  I have been trying to chase down the root cause of a condition where ASP .NET session state remains locked after a web request has been terminated due to an unexpected error. We use the SQL Server session state provider for session because we have several servers in a web farm. This issue first presented itself in the form of many requests getting stuck on the 'AcquireRequestState' event of their lifecycle for no apparent reason. I was able to finding corresponding entries for these requests in the session state database in SQL server that were all locked (column Locked = 1). I was also able to correlate these requests to entries in the IIS log with HTTP status codes of 500 (with a sub status of 0). These findings lead me to believe that, in some cases, a request was erroring out but was NOT releasing its lock on session state like it should. I enabled Failed Request Tracing in IIS for the website in question for status code 500 with all available providers selected each with the 'Verbose' setting for verbosity. I've since gathered several failed traces that have caused permanently locked ASP .NET sessions. They all share the same characteristics: They are all 'POST' requests where the browser is posting data to be processed/saved. They all have events indicating that the 'Session' module was invoked during the REQUEST_ACQUIRE_STATE event. At this point the request would have marked the row in the session state database as being "locked". This is normal and expected. They all have GENERAL_READ_ENTITY_START, GENERAL_READ_ENTITY_END, and GENERAL_REQUEST_ENTITY entries that appear to be reading in the data that was posted to the server as part of the request. This appears to be a buffered operation as these events get repeated over and over with each one reading in some subset of the posted data. At some point during the 'read entity' related events and error occurs. Some have the error code "Incorrect function. (0x80070001)" and others have "The I/O operation has been aborted because of either a thread exit or an application request. (0x800703e3)". Once the error has been encountered, they all jump directly to the END_REQUEST events. The issue here is that, under normal circumstances, there should be a RELEASE_REQUEST_STATE event that will allow the Session module to release the lock it has on the session. This event is being skipped in this scenario. Just to be sure, I enabled failed request tracing for the '200' status code as well and generated several traces of successful requests that do have the RELEASE_REQUEST_STATE event being handled by the Session module. My theory at this point is that some kind of network issue is causing the 'Incorrect function' and 'I/O operation has been aborted because of either a thread exit or an application request' errors, but I don't understand why this seems to be causing the request handling to skip over the RELEASE_REQUEST_STATE event. If the request went through REQUEST_ACQUIRE_STATE it seems like it should also hit RELEASE_REQUEST_STATE as well. I'm loathe to say that this is a bug in IIS or ASP .NET, but it certainly appears that way to me at this point. Are there any configuration changes I could make to help ensure that 'RELEASE_REQUEST_STATE' is fired under all error conditions?

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• Move samba and ldap config to new machine

  - by Mateusz W

  I'm not advanced administrator so this may be n00b question but I'll be grateful for help. I have following problem: I have to move my server (ubuntu server) from old machine to new. I have samba & ldap on old server, so I've copied the configuration files from the old machine to new machine, made smbldap-populate, and when I use smbldap-userlist on the new machine it lists all users from the old machine. But when I try to log in as any of these users, or show its id (id username) I get no such user error. What more I have to do to use these accounts on the new machnie?

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• Turn my machine in a hotspot/proxy

  - by Leonardo

  My workplace does not provide a wifi... only wired connection... but my machine has a working wifi card... is there a way to "bridge" my wired connection, making my iphone connect to it and use it as if the own machine is being used? (the idea is to make my machine provide a wifi-connection and route it through my wired connection) Details: My machine OS is win 2012 server I have full admin rights to my machine There is a corporate-proxy PS: If more details needed pls ask!

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• VirtualBox cannot start a virtual machine on Windows 7

  - by Zan Lynx

  Note that this question is mostly so others can find this information. I ran into a problem recently with my Fedora-14 virtual machine running on a Windows-7 host with VirtualBox. VirtualBox could not start the Fedora virtual machine, but it could start a Ubuntu virtual server machine that was configured for 512 MB of RAM. The Fedora-14 machine was configured for 2 GB of RAM. The Fedora-14 machine had been working a week ago. What had I recently changed...? Answer to follow.

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• Can't use VHD in a particular machine

  - by madth3

  (All the machines referred below have Windows 7 Professional.) I have a virtual machine targetted for Virtual PC. I'm able to use that disk in two different machines (32 bit and 64 bit, respectively). Yet in the machine where I wanted to finally install this virtual machine I get the error that the VHD file is not valid. The faulty machine is 32 bit and has the exact same Virtual PC version as the other machines. The file was correctly copied (SHA1sum says so). Default XP Mode works (therefore Virtual PC is not so wrong) Does anyone have any idea what might be wrong in the target machine?

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• "Folyamatosan elérheto, üzletileg kritikus adatbázisok" eloadások letölthetok

  - by Fekete Zoltán

  Ferbruár 26-án az IQSYS és az Oracle közösen üzleti reggelit rendezett. "Folyamatosan elérheto, üzletileg kritikus adatbázisok" címmel. A téma bevezeto eloadását Kovács András tartotta. Cseke Attila a Magyar Telekom rendszerei kapcsán a "Nagyméretu, üzletileg kritikus adatbázisok üzemeltetési kihívásai"-ról beszélt. A rendezvényen eloadást tartott Mosolygó Ferenc kollégám, aki az Oracle maximális rendelkezésre állású referencia architektúráját ismertette. Jómagam az "Ideális nagy teljesítményu hibaturo környezet Oracle adatbázisok számára: Database Machine, Exadata" címmel tartottam eloadást. A rendezvény eloadásai letölthetok innen: "Folyamatosan elérheto, üzletileg kritikus adatbázisok".

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• VMWare-Tools Installation fails

  - by Ajay

  I am trying to install VMwareTools-8.4.6-385536.tar.gz (VMWare Tools) on the following operating system: Ubuntu 11.04 Linux ubuntu 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux I am using VMPlayer version 3.1.4 - build 385536 After starting the installation I am getting the following errors: What is the directory that contains the init scripts? [/etc/init.d] Error opening No such file or directory Distribution provided drivers for Xorg X server are used. Skipping X configuration because X drivers are not included. Creating a new initrd boot image for the kernel.<br> update-initramfs: Generating /boot/initrd.img-2.6.38-8-generic Starting VMware Tools services in the virtual machine: Switching to guest configuration: done Blocking file system: done Guest operating system daemon: failed Virtual Printing daemon: done Unable to start services for VMware Tools Can somebody help in this?

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• R vs Python for data analysis

  - by The_Cthulhu_Kid

  I have been programming for about a year and I am really interested in data analysis and machine learning. I am taking part in a couple of online courses and am reading a couple of books. Everything I am doing uses either R or Python and I am looking for suggestions on whether or not I should concentrate on one language (and if so which) or carry on with both; do they complement each other? -- I should mention that I use C# in school but am familiar with Python through self-study.

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• Flaws in my PHP development setup - sharing sources causing lags

  - by Wiktor

  I have following development setup for my PHP projects: Working station running on Windows 7 with PhpStorm IDE. GIT for version controlling. CentOS on virtual machine (VirtualBox) with Apache and MySQL (copy of production server). So far, I've been sharing project's source folders between host and guest systems and it was working quite well only really slow. The reason behind this is that Apache was reading files from remote folder (mounted locally). After doing some research, I found out that this set up can be improved by using disk mapping (Samba) instead of folder sharing. So I did that change. I configured my PhpStorm to automatically deploy files to mapped drive. Everything works like a charm now, except for one problem - when I change branches I need to synchronize project's local folder with the one on mapped drive and that takes time, a lot of time (like branching in SVN). Is there another way to handle this than just working on files directly on mapped drive?

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• How do I take an image/backup of Ubuntu partition and restore to VirtualBox VM

  - by whizkid

  I have Ubuntu 10.04 installed on an older hard disk. I recently bought a new disk and already installed Windows 7. I dont want to use the older disk anymore, and I would like to keep on using Ubuntu in a virtual machine on the new disk(to avoid the possible mess-ups of dual boot and I found VirtualBox is the best free tool for this). I wish to keep the exact same data\programs\configurations\settings I had been using in Ubuntu for so long, and avoid the tedious part of having to reconfigure so many things. How do I backup\restore Ubuntu to another disk? I would prefer a free tool to do the backup\restore.

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• Which programming language could I use for Natural Language Processing to extract clinical words?

  - by MACEE

  I am going to do entity extraction (like Named Entity Recognition) from clinical free text (unstructured raw text such as discharge summaries) and these entities could be any medical problem, medical tests or treatments. I am going to use one of i2b2 datasets (https://www.i2b2.org/) if case you are familiar with that. I am new to the NLP(Natural Language Processing) field and I need a programming language to support NLP tasks and also easily connect to the available libraries of machine learning algorithms like CRF. I don't know much java and I heard about Python, Perl and Scala but I am not sure which one would be the best option for this task?

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• Why is Android VM-based? [closed]

  - by adib

  By about 2004, it was clear that ARM is the clear winner for mobile CPUs, beating out MIPS, SH3, and DragonBall. PocketPC (Windows Mobile) applications was natively-compiled (at least most of them - except for .NET compact and its competitors). Likewise, Apple's iOS (named iPhone OS at the time) prefers natively-compiled applications. Then why Android chose a virtual machine based system stack? (the Dalvik VM). Wouldn't it be simpler to just compile applications down to ARM code using GCJ or something? Is the decision influenced by the J2ME-way of doing things, or was just because it's "cool"? Perhaps like most things Java, the culture that prefers multiple levels of indirection and abstractions, they just added another layer of abstraction for "just in case"?

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• Construct sentences from tabular data

  - by Sumeet

  I have a huge set of html files an have to retrieve the meaningful information from them. Most of the task is accomplished, now the problem is with HTML tables. I have some literature on how to extract meaningful tables from html, but my problem is with creating meaningful sentences from tabular data (or attribute value pairs extracted from a table). Are there any NLP/Machine learning techniques to do this? Here is what I expect. Suppose below is a sample table: col_Name: Sumeet col_year: 2011 col_winner: quiz Can this be made to something meaningful like "Sumeet won quiz in 2011"?

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• Is it possible to make the desktop background transparent or otherwise hidden?

  - by EndangeredMassa

  I'm running Ubuntu in a virtual machine via VirtualBox. I have the seamless mode turned on, which is pretty cool. However, if I move an Ubuntu window around quickly, I can see the redraw of the ubuntu background quickly before it's hidden by VirtualBox again. This isn't a huge deal, but I'd like to fix it, if possible. I see two possible options that don't involve changing VirtualBox code: 1. Make the Ubuntu desktop transparent 2. Make the Ubuntu desktop hidden entirely Is it possible to do either? I know that Compiz Fusion has/had a feature to do this for their cube effects, but I don't think that I can run this on the VM. And, even if I could, I don't want to run those services for this one small feature.

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• JavaScript malware analysis

  - by begueradj

  I want to test websites for JavaScript malware presence . I plan to develop a Python program that sends the URL of a given website to a virtual machine where the dynamic execution of the eventual malicious JavaScript embedded in the website's page is monitored. My questions: Should my VM be Windows or Linux ? What if the malware damages my VM: is there a hint how to avoid that ? Or launch a new VM automatically instead ? If I use telnet client library to communicate with the VM: must I implement a server within the VM to deal with my queries or can I overcome this ? I am jut looing for hints, general ideas. Thank you for any help.

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• Programming Language Family Tree?

  - by user134353

  As a man interested in programming, I must ask if there is a cataloged hierarchy of languages. I'd like to learn to actually understand what's happening- that is to say, I don't want to use a compiler until I understand what a compiler does and how to make my own. I really do want to start from total scratch. I'm told that means "machine code"? I don't know. What I do know is that "C++" is not the start. I'm not interested in learning that until I can actually break software down to its very base and see how the pieces go together.

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• How to implement a stack of game states in C++

  - by Lisandro Vaccaro

  I'm new to C++ and as a college proyect I'm building a 2D platformer with some classmates, I recently read that it's a good idea to have a stack of gamestates instead of a single global variable with the game state (which is what I have now) but I'm not sure how to do it. Currently this is my implementation: class GameState { public: virtual ~GameState(){}; virtual void handle_events() = 0; virtual void logic() = 0; virtual void render() = 0; }; class Menu : public GameState { public: Menu(); ~Menu(); void handle_events(); void logic(); void render(); }; Then I have a global variable of type GameState: GameState *currentState = NULL; And in my Main I define the currentState and call it's methods: int main(){ currentState = new Menu(); currentState.handle_events(); } How can I implement a stack or something similar to go from that to something like this: int main(){ statesStack.push(new Menu()); statesStack.getTop().handle_events(); }

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• How to manage Areas/Levels in an RPG?

  - by Hexlan

  I'm working on an RPG and I'm trying to figure out how to manage the different levels/areas in the game. Currently I create a new state (source file) for every area, defining its unique aspects. My concern is that as the game grows the number of class files will become unmanageable with all the towns, houses, shops, dungeons, etc. that I need to keep track of. I would also prefer to separate my levels from the source code because non-programmer members of the team will be creating levels, and I would like the engine to be as free from game specific code as possible. I'm thinking of creating a class that provides all the functions that will be the same between all the levels/areas with a unique member variable that can be used to look up level specifics from data. This way I only need to define level/area once in the code, but can create multiple instances each with its own unique aspects provided by data. Is this a good way to go about solving the issue? Is there a better way to handle a growing number of levels?

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• IIS8 Asp.net State service remote connection failure

  - by maxisam

  Recently we upgrade our web server to windows server 2012 with IIS8. We have this issue when users try to connect the asp.net state service to this web server remotely. It always popup Unable to make the session state request to the session state server. Please ensure that the ASP.NET State service is started and that the client and server ports are the same. If the server is on a remote machine, please ensure that it accepts remote requests by checking the value of HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\aspnet_state\Parameters\AllowRemoteConnection. If the server is on the local machine, and if the before mentioned registry value does not exist or is set to 0, then the state server connection string must use either 'localhost' or '127.0.0.1' as the server name. In IIS7 / 7.5 we use the same way and it works fine. As long as the state service is running and firewall is set properly, we don't have any problem. However, in IIS8 it doesn't work. (We even turn off firewall to test it) Thanks for helping.

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• jQuery form zip code to state function

  - by Dakota R.

  I'm trying to convert a preexisting javascript function into a jQuery function. The function comes from http://javascript.internet.com/forms/zip-to-state.html and aims to convert a user-entered zip code into a state. I'm using jQuery 1.3.2, with all the necessary plugins, but I'm not very familiar with jQuery syntax and how to convert this from plain ol' Javascript syntax. The setState function takes two parameters, the zip code element and the state element, so I'm trying to do something like this: $('$zip_code').change( function () { setState($(this), $('#state')); }); Any thoughts on this syntax? Thanks, Dakota function getState(zip) { if ((parseInt(zipString.substr(zip / 4, 1), 16) & Math.pow(2, zip % 4)) && (zip.length == 5)) for (var i = 0; i < stateRange.length; i += 7) if (zip <= 1 * stateRange.substr(i, 5)) return stateRange.substr(i + 5, 2); return null; } function setState(txtZip, optionBox) { if (txtZip.value.length != 5 || isNaN(txtZip.value / 4)) { optionBox.options[0].selected = true; alert("Please enter a 5 digit, numeric zip code."); return; } var state = getState(txtZip.value); for (var i = 0; i < optionBox.options.length; i++) if (optionBox.options[i].value == state) return optionBox.options[i].selected = true; for (var i = 0; i < optionBox.options.length; i++) if (optionBox.options[i].value == "XX") return optionBox.options[i].selected = true; }

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• Oracle Data Integration Solutions and the Oracle EXADATA Database Machine

  - by João Vilanova

  Oracle's data integration solutions provide a complete, open and integrated solution for building, deploying, and managing real-time data-centric architectures in operational and analytical environments. Fully integrated with and optimized for the Oracle Exadata Database Machine, Oracle's data integration solutions take data integration to the next level and delivers extremeperformance and scalability for all the enterprise data movement and transformation needs. Easy-to-use, open and standards-based Oracle's data integration solutions dramatically improve productivity, provide unparalleled efficiency, and lower the cost of ownership.You can watch a video about this subject, after clicking on the link below.DIS for EXADATA Video

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