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• Changed Folder Redirection on Server 2008 R2, I didn't see anything change.

  - by Robert Hurst

  I need some help guys. I've just modified the Folder Redirection Policy on my server at work so the hiarcy resembles windows 7's user folder structure rather than XP. I did this to the book so I know its right. However, I'm still seeing that all the user accounts are still layed out as XP compatible folder hiracys. Is there somthing I need to do to update these accounts with the new policy?

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• Novel fitness measure for evolutionary image matching simulation

  - by Nick Johnson

  I'm sure many people have already seen demos of using genetic algorithms to generate an image that matches a sample image. You start off with noise, and gradually it comes to resemble the target image more and more closely, until you have a more-or-less exact duplicate. All of the examples I've seen, however, use a fairly straightforward pixel-by-pixel comparison, resulting in a fairly predictable 'fade in' of the final image. What I'm looking for is something more novel: A fitness measure that comes closer to what we see as 'similar' than the naive approach. I don't have a specific result in mind - I'm just looking for something more 'interesting' than the default. Suggestions?

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• Best code structure for arcade games

  - by user280454

  Hi, I've developed a few arcade games so far and have the following structure in almost all of them: I have 1 file which contains a class called kernel with the following functions: init() welcome_screen() menu_screen() help_Screen() play_game() end_screen() And another file, called Game, which basically calls all these functions and controls the flow of the game. Also, I have classes for different characters, whenever required. Is this a good code structure, or should I try having different files(classes) for different functions like welcome screen, playing, help screen, etc? As in, instead of including all the code for these things in 1 file, should I be having different classes for each one of them? The only problem I think it might cause is that I would need certain variables like score, characters, etc which are common to all of them, that's why I have all these functions in a Kernel class so that all these functions can use these variables.

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• Create a VPN with Python

  - by user213060

  I want to make a device "tunnel box" that you plug an input ethernet line, and an output ethernet line, and all the traffic that goes through it gets modified in a special way. This is similar to how a firewall, IDS, VPN, or similar boxes are connected inline in a network. I think you can just assume that I am writing a custom VPN in Python for the purpose of this question: LAN computer <--\ LAN computer <---> [LAN switch] <--> ["tunnel box"] <--> [internet modem] <--> LAN computer <--/ My question is, what is a good way to program this "tunnel box" from python? My application needs to see TCP flows at the network layer, not as individual ethernet frames. Non-TCP/IP traffic such as ICPM and other types should just be passed through. Example Twisted-like Code for my "tunnel box" tunnel appliance: from my_code import special_data_conversion_function class StreamInterceptor(twisted.Protocol): def dataReceived(self,data): data=special_data_conversion_function(data) self.outbound_connection.send(data) My initial guesses: TUN/TAP with twisted.pair.tuntap.py - Problem: This seems to only work at the ethernet frame level, not like my example? Socks proxy - Problem: Not transparent as in my diagram. Programs have to be specifically setup for it. Thanks!

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• DHCP and DNS on none AD 2003 Server PTR is updating but no A records

  - by user29819

  I have a strange issue, I have a DHCP and DNS server running in a non AD environment, on Windows 2003 server. I setup DHCP to update DNS A and PTR records even if the client doesnt request it, but I only see PTR records updated, the A records are not created at all. The domain is "local" forward zone is called "local" and in the option 15 set to "local" (actual name) the PTR records are created with the right name (example: win64_ent.local), What am I missing here ?

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• Creating DOS bootable cd

  - by dotnetdev

  I need to burn a cd which I will boot from to reset a password on Windows Server. I am using Active Password Changer, but I get an error like so: http://www.freeimagehosting.net/image.php?faa4737491.png How can I create a "DOS bootable disk"? I have an ISO on the cd I thought that will work. The manual says I need DOS system files, where do I get these from? Thanks

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• Yahoo Pipes: filter items in a feed based on words in a text file

  - by pufferfish

  I have a pipe that filters an RSS feed and removes any item that contains "stopwords" that I've chosen. Currently I've manually created a filter for each stopword in the pipe editor, but the more logical way is to read these from a file. I've figured out how to read the stopwords out of the text file, but how do I apply the filter operator to the feed, once for every stopword? The documentation states explicitly that operators can't be applied within the loop construct, but hopefully I'm missing something here.

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• Does anyone know of a GUI library for the IO language

  - by Dev er dev

  Io is a nice cross-platform prototype-based object-oriented language. Does anyone know of any GUI library for Io? Io's name does not make it Google friendly.

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• There's a black hole in my server (TcpClient, TcpListener)

  - by Matías

  Hi, I'm trying to build a server that will receive files sent by clients over a network. If the client decides to send one file at a time, there's no problem, I get the file as I expected, but if it tries to send more than one I only get the first one. Here's the server code: I'm using one Thread per connected client public void ProcessClients() { while (IsListening) { ClientHandler clientHandler = new ClientHandler(listener.AcceptTcpClient()); Thread thread = new Thread(new ThreadStart(clientHandler.Process)); thread.Start(); } } The following code is part of ClientHandler class public void Process() { while (client.Connected) { using (MemoryStream memStream = new MemoryStream()) { int read; while ((read = client.GetStream().Read(buffer, 0, buffer.Length)) > 0) { memStream.Write(buffer, 0, read); } if (memStream.Length > 0) { Packet receivedPacket = (Packet)Tools.Deserialize(memStream.ToArray()); File.WriteAllBytes(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory), Guid.NewGuid() + receivedPacket.Filename), receivedPacket.Content); } } } } On the first iteration I get the first file sent, but after it I don't get anything. I've tried using a Thread.Sleep(1000) at the end of every iteration without any luck. On the other side I have this code (for clients) . . client.Connect(); foreach (var oneFilename in fileList) client.Upload(oneFilename); client.Disconnect(); . . The method Upload: public void Upload(string filename) { FileInfo fileInfo = new FileInfo(filename); Packet packet = new Packet() { Filename = fileInfo.Name, Content = File.ReadAllBytes(filename) }; byte[] serializedPacket = Tools.Serialize(packet); netStream.Write(serializedPacket, 0, serializedPacket.Length); netStream.Flush(); } netStream (NetworkStream) is opened on Connect method, and closed on Disconnect. Where's the black hole? Can I send multiple objects as I'm trying to do? Thanks for your time.

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• Setting terminal flags through kernel parameters in linux

  - by BHARATH

  Can we set terminal flags through kernel command line ?

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• Don't understand the typing of Scala's delimited continuations (A @cps[B,C])

  - by jkff

  I'm struggling to understand what precisely does it mean when a value has type A @cps[B,C] and what types of this form should I assign to my values when using the delimited continuations facility. I've looked at some sources: http://lamp.epfl.ch/~rompf/continuations-icfp09.pdf http://www.scala-lang.org/node/2096 http://dcsobral.blogspot.com/2009/07/delimited-continuations-explained-in.html http://blog.richdougherty.com/2009/02/delimited-continuations-in-scala_24.html but they didn't give me much intuition into this. In the last link, the author tries to give an explicit explanation, but it is not clear enough anyway. The A here represents the output of the computation, which is also the input to its continuation. The B represents the return type of that continuation, and the C represents its "final" return type—because shift can do further processing to the returned value and change its type. I don't understand the difference between "output of the computation", "return type of the continuation" and "final return type of the continuation". They sound like synonyms.

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• Identifying cause of Software opening hundreds of thousands of handles

  - by user428370

  I have a user running the latest public revision of IBM Notes (8.5.4) on a Windows 7 Pro OA installation. Under his profile and only his, when the software is run, the software opens hundreds of thousands of handles, regarding token queries. This involves only this specific user, on his computer, using only said software. I have narrowed down the issue to being related to his profile but am unsure of what to look at next. Any advice would be appreciated.

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• IP not Pinging!

  - by Paddy

  I have an apache server running on Mac. i had windows before on the same machine and i had apache running there too. i could access my public sites by just typing in my ip in the web browser. now its not working. its working with localhost though!!!

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• Permanently hide network disconnected icon from system tray

  - by Steve

  On Windows XP, I have a disconnected Wireless connection which shows up in the System Tray. I have gone into Network Connections dialog box and elected not to show an icon when it is disconnected, yet it remains visible. I have gone into the Task bar properties and elected to always hide this icon, but that doesn't remove it from the system tray. How do I remove it? Thanks

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• Scalaz Kleisli question

  - by oxbow_lakes

  There is a trait called Kleisli in the scalaz library. Looking at the code: import scalaz._ import Scalaz._ type StringPair = (String, String) val f: Int => List[String] = (i: Int) => List((i |+| 1).toString, (i |+| 2).toString) val g: String => List[StringPair] = (s: String) => List("X" -> s, s -> "Y") val k = kleisli(f) >=> kleisli(g) //this gives me a function: Int => List[(String, String)] Calling the function k with the value of 2 gives: println( k(2) ) //Prints: List((X,3), (3,Y), (X,4), (4,Y)) My question is: how would I use Scalaz to combine f and g to get a function m such that the output of m(2) would be: val m = //??? some combination of f and g println( m(2) ) //Prints: List((X,3), (X,4), (3,Y), (4,Y)) Is this even possible?

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• sendto: Invalid Argument

  - by Sylvain

  Hi, I have a list<struct sockaddr_in> _peers I'd like to use for sendto() the list is filled this way struct hostent *hp; hp = gethostbyname(hostname); sockaddr_in sin; bzero(&sin, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(port); sin.sin_addr.s_addr = *(in_addr_t *)hp->h_addr; _peers.push_front(sin); and here's how I try to send: for (list<struct sockaddr_in>::iterator it = _peers.begin(); it != _peers.end(); ++it) { if (sendto(_s, "PING", 5, 0, (struct sockaddr *)&(*it), sizeof(struct sockaddr_in)) < 0) perror("sendto"); } outputs: sendto: Invalid argument If I create the struct sockaddr_in right before sendto(), everything works fine, so I guess I fail at using the list properly ... I also tested using &_peers.front() directly and still get the same error ... what am I doing wrong? Thanks in advance,

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• WebsitePanel and BIND integration issues

  - by Fariborz Navidan

  I have setup a new Windows server with WebsitePanel stand alone server installed om. I have configured everything. When create a new space in WSP, the only information saved in the DNS zone file is the SOA record and no A record added. Each service has its own DNS zone template records but they are not reflected in domain's DNS zone. Also when delete the space, DNS zone is not deleted. I am using WebsitePanel 1.2.1

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• Evolutionary Algorithms: Optimal Repopulation Breakdowns

  - by Brian MacKay

  It's really all in the title, but here's a breakdown for anyone who is interested in Evolutionary Algorithms: In an EA, the basic premise is that you randomly generate a certain number of organisms (which are really just sets of parameters), run them against a problem, and then let the top performers survive. You then repopulate with a combination of crossbreeds of the survivors, mutations of the survivors, and also a certain number of new random organisms. Do that several thousand times, and efficient organisms arise. Some people also do things like introduce multiple "islands" of organisms, which are seperate populations that are allowed to crossbreed once in awhile. So, my question is: what are the optimal repopulation percentages? I have been keeping the top 10% performers, and repopulating with 30% crossbreeds and 30% mutations. The remaining 30% is for new organisms. I have also tried out the multiple island theory, and I'm interested in your results on that as well. It is not lost on me that this is exactly the type of problem an EA could solve. Are you aware of anyone trying that? Thanks in advance!

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• Why does the "Logon Help" dialog show up on every boot?

  - by adietrich

  Every time I boot Windows XP Professional on my notebook, the Logon Help dialog (the one which tells you how to press Ctrl-Alt-Delete) automatically opens. How do I disable this? This did not always happen, but has been going on for quite a while now, with both SP2 and SP3. I'm using the classic logon screen, where you have to type in your username and password.

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• Microsoft Quotation

  - by Asad Jibran Ahmed

  I don't know if this is the right place to ask this question, but I honestly have exhausted my self searching for the last hour. I am looking for a quotation made about Microsofts software. It goes something along the lines of: "They may make 2nd grade crappy software, but by God they know how to design interfaces" It was by a somewhat popular open source personality about the lack of good interface design in open source software. Does any one know the exact quotation? It will be a great help if someone can point me in the right direction.

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• cartesian product

  - by John Retallack

  I've been trying to do a function that returns the Cartesian Product of n sets,in Dr Scheme,the sets are given as a list of lists,I've been stuck at this all day,I would like a few guidelines as where to start,I've wrote a pice of code but it dosen't work. (define cart-n(?(l) (if (null? l) '(()) (map (?(lst) (cons (car ( car(l))) lst)) (cart-n (cdr l) )))))

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• Corrupted version of WordPad [closed]

  - by Mike GH

  Somehow in trying to cleanup my computer's hard drive, I have inadvertently corrupted WordPad, which I have long used for viewing many types of files, including logs (i.e., log4j). Now when I right click one of these files and choose "open with" & WordPad, I get an error (fn is not a valid Win32 application). I've researched this issue, tried reinstalling wordpad.exe; bbut I still get the same error. Any suggestions would be appreciated.

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• Will HDCP cause problems with a MacBook Pro using a VGA projector?

  - by Andrew Grimm

  I'm planning on using a MacBook Pro with a projector that only has a VGA input (through the MBP's Mini DisplayPort and a Mini DisplayPort to VGA converter). Will this have problems with HDCP (High-bandwidth Digital Content Protection), either under Snow Leopard or Windows XP? I'll only be showing other people's photos, user-generated movies or PowerPoint slides. The MacBook Pro was purchased from Apple new in December 2009.

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• Kerberos Policy section not appearing in RSop / GPResult

  - by Chloraphil

  I am attempting to confirm via RSoP or GPResult that the correct settings for "\Computer Configuration\Windows Settings\Security Settings\Account Policies\Kerberos Policy" are being applied, however the "Kerberos Policy" node is missing from the treeview / report. These settings are set in the "Default Domain Controllers Policy" which is linked in the "Domain Controllers" OU. Should "Kerberos Policy" appear at all? If not, how can I confirm the correct settings are being applied?

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• Best open source Mixed Integer Optimization Solver

  - by Mark

  I am using CPLEX for solving huge optimization models (more than 100k variables) now I'd like to see if I can find an open source alternative, I solve mixed integer problems (MILP) and CPLEX works great but it is very expensive if we want to scale so I really need to find an alternative or start writing our own ad-hoc optimization library (which will be painful) Any suggestion/insight would be much appreciated

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