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• Android exception i don't understand after loading webpage in a webview

  - by DixieFlatline

  I have a webview that loads a webpage. I also have a reload button. Sometimes it works but sometimes it crashes when i hit reload and i get this exceptions: 05-14 10:08:33.958: ERROR/WindowManager(918): Activity com.poslji.gor.Uvod has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@435da698 that was originally added here 05-14 10:08:33.958: ERROR/WindowManager(918): android.view.WindowLeaked: Activity com.poslji.gor.Uvod has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@435da698 that was originally added here 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewRoot.(ViewRoot.java:217) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.Window$LocalWindowManager.addView(Window.java:392) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.Dialog.show(Dialog.java:231) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.ProgressDialog.show(ProgressDialog.java:107) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.ProgressDialog.show(ProgressDialog.java:90) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.poslji.gor.Odgovori$2.onClick(Odgovori.java:120) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.View.performClick(View.java:2179) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.View.onTouchEvent(View.java:3828) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.widget.TextView.onTouchEvent(TextView.java:6307) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.View.dispatchTouchEvent(View.java:3368) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1752) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1206) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.Activity.dispatchTouchEvent(Activity.java:1997) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1736) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1752) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1206) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.Activity.dispatchTouchEvent(Activity.java:1997) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1736) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.view.ViewRoot.handleMessage(ViewRoot.java:1761) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.os.Handler.dispatchMessage(Handler.java:99) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.os.Looper.loop(Looper.java:123) 05-14 10:08:33.958: ERROR/WindowManager(918): at android.app.ActivityThread.main(ActivityThread.java:3948) 05-14 10:08:33.958: ERROR/WindowManager(918): at java.lang.reflect.Method.invokeNative(Native Method) 05-14 10:08:33.958: ERROR/WindowManager(918): at java.lang.reflect.Method.invoke(Method.java:521) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 05-14 10:08:33.958: ERROR/WindowManager(918): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 05-14 10:08:33.958: ERROR/WindowManager(918): at dalvik.system.NativeStart.main(Native Method) 05-14 10:08:36.768: ERROR/AndroidRuntime(918): Uncaught handler: thread main exiting due to uncaught exception 05-14 10:08:36.778: ERROR/AndroidRuntime(918): java.lang.IllegalArgumentException: View not attached to window manager 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:356) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:201) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.view.Window$LocalWindowManager.removeView(Window.java:400) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.app.Dialog.dismissDialog(Dialog.java:268) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.app.Dialog.access$000(Dialog.java:69) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.app.Dialog$1.run(Dialog.java:103) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.app.Dialog.dismiss(Dialog.java:252) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at com.poslji.gor.Odgovori$HelloWebViewClient.onPageFinished(Odgovori.java:180) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.webkit.CallbackProxy.handleMessage(CallbackProxy.java:225) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.os.Handler.dispatchMessage(Handler.java:99) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.os.Looper.loop(Looper.java:123) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at android.app.ActivityThread.main(ActivityThread.java:3948) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at java.lang.reflect.Method.invokeNative(Native Method) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at java.lang.reflect.Method.invoke(Method.java:521) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 05-14 10:08:36.778: ERROR/AndroidRuntime(918): at dalvik.system.NativeStart.main(Native Method) What is going wrong here?

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• Face Detection Neural Network Training Data (databases, number of faces etc)

  - by harry

  Hey, I'm creating a face detection program using neural networks, and looking for some reliable training sets. I'm aware there's various sets around the web, but I've not idea how good they are. Any ideas where to start? Thanks.

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• phantom error "error parsing XML: unbound prefix"

  - by Brad Hein

  The error "error parsing XML: unbound prefix" shows up on my main layout: main.xml when I first open Eclipse. To make the error go away, all I have to do is make a modification to the file, then undo it, then hit save (have to make a change in order to be able to save file and thus trigger the new syntax check). My environment is: Fedora Eclipse Platform Version: 3.4.2 Based on build id: 20090211-1700 My target is Android API level 5. The first time I saw the error I spent a long time trying to track down "the problem" but later realized there isn't really a problem, it's just a phantom error. Screenshot: http://i50.tinypic.com/2i89iee.jpg Who should I report this to?

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• Identify PID of a transient network connection on HPUX 11.23

  - by Chris

  We've tried lsof and tcpdump to capture the PID of a process that is attempting to make connections. Any ideas?

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• HTTP Error 500.19 - Internal Server Error

  - by peacmaker

  i am trying to add an website to iis 7 put when i try to run the website its gives the following error: HTTP Error 500.19 - Internal Server Error Module IIS Web Core Notification BeginRequest Handler Not yet determined Error Code 0x80070021 Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false". Config File \\?\E:\Code\web\xSP\xSP Protocol\web.config Requested URL http://localhost:80/ Physical Path E:\Code\web\xSP\xSP Protocol Logon Method Not yet determined Logon User Not yet determined Config Source 136: </modules> 137: <handlers> 138: <remove name="WebServiceHandlerFactory-Integrated"/> please any help ?

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• iphone Core Data Unresolved error while saving

  - by Ahmed Kotb

  I am getting a strange error message from the core data when trying to save but the problem that the error is not reproducible ( it appears at different times when doing different tasks) the error message: Unresolved error Domain=NSCocoaErrorDomain Code=1560 UserInfo=0x14f5480 "Operation could not be completed. (Cocoa error 1560.)", { NSDetailedErrors = ( Error Domain=NSCocoaErrorDomain Code=1570 UserInfo=0x5406d70 "Operation could not be completed. (Cocoa error 1570.)", Error Domain=NSCocoaErrorDomain Code=1570 UserInfo=0x14f9be0 "Operation could not be completed. (Cocoa error 1570.)" ); } and the method that generates the error is: - (IBAction)saveAction:(id)sender { NSError *error; if (![[self managedObjectContext] save:&error]) { // Handle error NSLog(@"Unresolved error %@, %@, %@", error, [error userInfo],[error localizedDescription]); exit(-1); // Fail } } any idea for the reason of this message ? giving that it appears at random times

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• Calculation of charged traffic in GPRS network

  - by TyBoer

  I am working with a distributed application communicating over GPRS. I use UDP packets to send business data and ICMP pings to verify connectivity. And now I have a problem with calculating a traffic for which I will be charged by the provider. I have to consider following factors: UDP payload: that is obvious. UDP overhead: UDP header + IP header = 8 + 20 bytes. ICMP echo request without data: IP header + ICMP payload = 28 bytes. ICMP echo reply: as in 3. Above means that for evey data packet I am charged for payload + 28 bytes and for every ping 56 bytes. Am I right or I am missing/misunderstanding something?

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• Java: "Could not find the main class. Program will exit"

  - by AJ

  I'm trying to run SQuirreL SQL. I've downloaded it and installed it, but when I try to run it I get this error message: Java Virtual Machine Launcher. Could not find the main class. Program will exit. I get the gist of this, but I have not idea how to fix it. Any help? more info: I'm on Windows XP pro. I have java 1.6 installed, and other apps are running OK. The install ran OK. I believe I've followed the installation instructions correctly. To run it, I'm invoking the squirrel-sql.bat file. Update This question: http://stackoverflow.com/questions/1417328/could-not-find-the-main-class gives some background on this error from the point of view of a java developer.

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• Change Windows network share permissions using built-in command-line tools

  - by BlueRaja The Green Unicorn

  Can it be done without downloading subinacl.exe?

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• Social Network News Feed Database & Design

  - by pws5068

  I'm designing a News Feed system using PHP/MySQL similar to facebook's. I have asked a similar question before but now I've changed the design and I'm looking for feedback. Example Notifications: User_A commented on User_B's new album. "Hey man nice picture!" User_B added a new Photo to [his/her] profile. [show photo thumbnail] Initially, I implemented this using excessive columns for Obj1:Type1 | Obj2:Type2 | etc.. Now the design is set up using a couple special keywords, and actor/receiver relationships. My database is designed for efficiency - using a table of messages joined on a table containing userid,actionid,receiverid,receiverObjectTypeID, Here's a condensed version of what it will look like once joined: News_ID | User_ID | Message | Timestamp 2643 A %a commented on %o's new %r. SomeTimestamp 2644 B %a added a new %r to [his/her] profile. SomeTimestamp %a = the User_ID of the person doing the action %r = the receiving object %o = the owner of the receiving object (for example the owner of the album) (NULL if %r is a user) Questions: Is this a smart (efficient/scalable) way to move forward? How can I show messages like: "User_B added 4 new photos to his profile."?

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• Problem with a blocking network task

  - by user326967

  Hello everyone. I'm new in Java so please forgive any obscene errors that I may make :) I'm developing a program in Java that among other things it should also handle clients that will connect to a server. The server has 3 threads running, and I have created them in the following way : DaemonForUI du; DaemonForPort da; DaemonForCheck dc; da = new DaemonForPort(3); dc = new DaemonForCheck(5); du = new DaemonForUI(7); Thread t_port = new Thread(da); Thread t_check = new Thread(dc); Thread t_ui = new Thread(du); t_port.setName("v1.9--PORTd"); t_check.setName("v1.9-CHECKd"); t_ui.setName("v1.9----UId"); t_port.start(); t_check.start(); t_ui.start(); Each thread handles a different aspect of the complete program. The thread t_ui is responsible to accept asynchronous incoming connections from clients, process the sent data and send other data back to the client. When I remove all the commands from the previous piece of code that has to with the t_ui thread, everything runs ok which in my case means that the other threads are printing their debug messages. If I set the t_ui thread to run too, then the whole program blocks at the "accept" of the t_ui thread. After reading at online manuals I saw that the accepted connections should be non-blocking, therefore use something like that : public ServerSocketChannel ssc = null; ssc = ServerSocketChannel.open(); ssc.socket().bind(new InetSocketAddress(port)); ssc.configureBlocking(false); SocketChannel sc = ssc.accept(); if (sc == null) { ; } else { System.out.println("The server and client are connected!"); System.out.println("Incoming connection from: " + sc.socket().getRemoteSocketAddress()); in = new DataInputStream(new BufferedInputStream(sc.socket().getInputStream())); out = new DataOutputStream(new BufferedOutputStream(sc.socket().getOutputStream())); //other magic things take place after that point... The thread for t_ui is created as follows : class DaemonForUI implements Runnable{ private int cnt; private int rr; public ListenerForUI serverListener; public DaemonForUI(int rr){ cnt = 0; this.rr = rr; serverListener = new ListenerForUI(); } public static String getCurrentTime() { final String DATE_FORMAT_NOW = "yyyy-MM-dd HH:mm:ss"; Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT_NOW); return (sdf.format(cal.getTime())); } public void run() { while(true) { System.out.println(Thread.currentThread().getName() + "\t (" + cnt + ")\t (every " + rr + " sec) @ " + getCurrentTime()); try{ Thread.sleep(rr * 1000); cnt++; } catch (InterruptedException e){ e.printStackTrace(); } } } } Obviously, I'm doing something wrong at the creation of the socket or at the use of the thread. Do you know what is causing the problem? Every help would be greatly appreciated.

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• Neural Network: Handling unavailable inputs (missing or incomplete data)

  - by Mike

  Hopefully the last NN question you'll get from me this weekend, but here goes :) Is there a way to handle an input that you "don't always know"... so it doesn't affect the weightings somehow? Soo... if I ask someone if they are male or female and they would not like to answer, is there a way to disregard this input? Perhaps by placing it squarely in the centre? (assuming 1,0 inputs at 0.5?) Thanks

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• How to gain greater control of network packets on Android

  - by mauvehead

  I'm looking to design an application that will require some deep control over IP packets. Looking over the reference guide on the developers site at Android I see very limited control over packets from java.net:SocketOptions and java.net:DatagramPacket. Specifically I'm looking to control the individual bits within the packet to set TCP Flags, SYN/ACK/RST, and so forth. Based on the docs I am assuming I cannot do this within the Java API provided by Android and I'm guessing I'll have to do it some other way? Anyone have any insight on this?

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• C# Asynchronous Network IO and OutOfMemoryException

  - by The.Anti.9

  I'm working on a client/server application in C#, and I need to get Asynchronous sockets working so I can handle multiple connections at once. Technically it works the way it is now, but I get an OutOfMemoryException after about 3 minutes of running. MSDN says to use a WaitHandler to do WaitOne() after the socket.BeginAccept(), but it doesn't actually let me do that. When I try to do that in the code it says WaitHandler is an abstract class or interface, and I can't instantiate it. I thought maybe Id try a static reference, but it doesnt have teh WaitOne() method, just WaitAll() and WaitAny(). The main problem is that in the docs it doesn't give a full code snippet, so you can't actually see what their "wait handler" is coming from. its just a variable called allDone, which also has a Reset() method in the snippet, which a waithandler doesn't have. After digging around in their docs, I found some related thing about an AutoResetEvent in the Threading namespace. It has a WaitOne() and a Reset() method. So I tried that around the while(true) { ... socket.BeginAccept( ... ); ... }. Unfortunately this makes it only take one connection at a time. So I'm not really sure where to go. Here's my code: class ServerRunner { private Byte[] data = new Byte[2048]; private int size = 2048; private Socket server; static AutoResetEvent allDone = new AutoResetEvent(false); public ServerRunner() { server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPEndPoint iep = new IPEndPoint(IPAddress.Any, 33333); server.Bind(iep); Console.WriteLine("Server initialized.."); } public void Run() { server.Listen(100); Console.WriteLine("Listening..."); while (true) { //allDone.Reset(); server.BeginAccept(new AsyncCallback(AcceptCon), server); //allDone.WaitOne(); } } void AcceptCon(IAsyncResult iar) { Socket oldserver = (Socket)iar.AsyncState; Socket client = oldserver.EndAccept(iar); Console.WriteLine(client.RemoteEndPoint.ToString() + " connected"); byte[] message = Encoding.ASCII.GetBytes("Welcome"); client.BeginSend(message, 0, message.Length, SocketFlags.None, new AsyncCallback(SendData), client); } void SendData(IAsyncResult iar) { Socket client = (Socket)iar.AsyncState; int sent = client.EndSend(iar); client.BeginReceive(data, 0, size, SocketFlags.None, new AsyncCallback(ReceiveData), client); } void ReceiveData(IAsyncResult iar) { Socket client = (Socket)iar.AsyncState; int recv = client.EndReceive(iar); if (recv == 0) { client.Close(); server.BeginAccept(new AsyncCallback(AcceptCon), server); return; } string receivedData = Encoding.ASCII.GetString(data, 0, recv); //process received data here byte[] message2 = Encoding.ASCII.GetBytes("reply"); client.BeginSend(message2, 0, message2.Length, SocketFlags.None, new AsyncCallback(SendData), client); } }

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• Neural Network Basics

  - by Stat Onetwothree

  I'm a computer science student and for this years project, I need to create and apply a Genetic Algorithm to something. I think Neural Networks would be a good thing to apply it to, but I'm having trouble understanding them. I fully understand the concepts but none of the websites out there really explain the following which is blocking my understanding: How the decision is made for how many nodes there are. What the nodes actually represent and do. What part the weights and bias actually play in classification. Could someone please shed some light on this for me? Also, I'd really appreciate it if you have any similar ideas for what I could apply a GA to. Thanks very much! :)

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• How to calculate network usage?

  - by Jake

  Hi all, How would i go about writing a python script that shows how much internet traffic there is ? Like showing bandwith usage? Thanks!

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• variable being weirdly deleted

  - by calccrypto

  im having a weird problem with one variable: its not being recognized but its still printing. i would post my code, but it is massive. the basic idea is: # pseudocode def function(stuff): <do stuff> # These are the only 2 conditions if tag == 3: pka = <a string> if tag == 4: pka = <a string> print pka # (1) print pka # (2) <do stuff not modifying pka> print pka # (3) if pka == 'RSA': <do stuff> elif pka == 'DSA': <do stuff> my code will error at (2). however, it will print out (1), (2), and (3), all of which are the same. is there any general explanation of why this is happening? if my code is really needed, i will post it, but otherwise, i would rather not due to its size update: now the code will error at the if statement after (3), saying UnboundLocalError: local variable 'pka' referenced before assignment even though (1),(2),(3) just printed

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• Hold a network connection although IP address change

  - by rursw1

  Hi, Is it possible to hold an open TCP connection with a client, while the IP address of the client is externally changed? For example, the connection is establishes against address X, but somewhen while the connection is open, the client-side user asks for IP renew and gets another IP address. Can the connection remains alive in this case? Thanks in advance.

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• Passing message over network

  - by Sylvestre Equy

  Hi, I'm currently trying to develop a message-oriented networking framework and I'm a bit stuck on the internal mechanism. Here are the problematic interfaces : public interface IMessage { } public class Connection { public void Subscribe<TMessage>(Action<TMessage> messageCallback); public void Send<TMessage>(TMessage message); } The Send method does not seem complicated, though the mechanism behind Subscribe seems a bit more painful. Obviously when receiving a message on one end of the connection, I'll have to invoke the appropriate delegate. Do you have any advice on how to read messages and easily detect their types ? By the way, I'd like to avoid to use MSMQ.

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• Neural Network: Handling unavailable inputs

  - by Mike

  Hopefully the last NN question you'll get from me this weekend, but here goes :) Is there a way to handle an input that you "don't always know"... so it doesn't affect the weightings somehow? Soo... if I ask someone if they are male or female and they would not like to answer, is there a way to disregard this input? Perhaps by placing it squarely in the centre? (assuming 1,0 inputs at 0.5?) Thanks

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• Solution to route/proxy SNMP Traps (or Netflow, generic UDP, etc) for network monitoring?

  - by Christopher Cashell

  I'm implementing a network monitoring solution for a very large network (approximately 5000 network devices). We'd like to have all devices on our network send SNMP traps to a single box (technically this will probably be an HA pair of boxes) and then have that box pass the SNMP traps on to the real processing boxes. This will allow us to have multiple back-end boxes handling traps, and to distribute load among those back end boxes. One key feature that we need is the ability to forward the traps to a specific box depending on the source address of the trap. Any suggestions for the best way to handle this? Among the things we've considered are: Using snmptrapd to accept the traps, and have it pass them off to a custom written perl handler script to rewrite the trap and send it to the proper processing box Using some sort of load balancing software running on a Linux box to handle this (having some difficulty finding many load balancing programs that will handle UDP) Using a Load Balancing Appliance (F5, etc) Using IPTables on a Linux box to route the SNMP traps with NATing We've currently implemented and are testing the last solution, with a Linux box with IPTables configured to receive the traps, and then depending on the source address of the trap, rewrite it with a destination nat (DNAT) so the packet gets sent to the proper server. For example: # Range: 10.0.0.0/19 Site: abc01 Destination: foo01 iptables -t nat -A PREROUTING -p udp --dport 162 -s 10.0.0.0/19 -j DNAT --to-destination 10.1.2.3 # Range: 10.0.33.0/21 Site: abc01 Destination: foo01 iptables -t nat -A PREROUTING -p udp --dport 162 -s 10.0.33.0/21 -j DNAT --to-destination 10.1.2.3 # Range: 10.1.0.0/16 Site: xyz01 Destination: bar01 iptables -t nat -A PREROUTING -p udp --dport 162 -s 10.1.0.0/16 -j DNAT --to-destination 10.3.2.1 This should work with excellent efficiency for basic trap routing, but it leaves us completely limited to what we can mach and filter on with IPTables, so we're concerned about flexibility for the future. Another feature that we'd really like, but isn't quite a "must have" is the ability to duplicate or mirror the UDP packets. Being able to take one incoming trap and route it to multiple destinations would be very useful. Has anyone tried any of the possible solutions above for SNMP traps (or Netflow, general UDP, etc) load balancing? Or can anyone think of any other alternatives to solve this?

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• Network displays 802.11g instead of n, and I can't log in with the correct key.

  - by RemiX

  I just bought a Linksys Wireless-N PCI Adapter with Dual-Band, and I tried to log into the usual 2.4GHz 802.11n network with the usual pass key. Only now, the list says it's a 802.11g network and my pass key is incorrect. Does anyone know this problem? And/Or how to fix it?

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• How to connect the printer HP 2575 to a network?

  - by Peter

  I have 2 PCs and a router and I want to connect my HP 2575 to this network. So, I found a network cable and I connected the printer to the router. I access the router and I can see that the printer is connected. My question is: How can I use the printer, from one of my computer. I tried Add Printer feature, but with no luck. Any ideas?

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• How to configure a network printer using command prompt under Windows 7?

  - by Feroz

  I have a network printer that is properly shared under Windows 7 on network with Windows 7 computers, but when configuring it in command prompt with: net use lpt1: \\zzzz\laser /persistent:yes then it requires a user name and password. How can I configure the printer so that this is no longer required?

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• Using default parameters for 404 error (PHP with mvc design)?

  - by user1175327

  I have a custom made Framework (written in PHP). It all works very good, but i have some doubts about a certain thing. Right now when a user call this url for example: http://host.com/user/edit/12 Which would resolve to: user = userController edit = editAction() in userController 12 = treated as a param But suppose the controller 'userController' doesn't exist. Then i could throw a 404. But on the other hand, the url could also be used as params for the indexController (which is the default controller). So in that case: controller = indexController user = could be an action in indexController, otherwise treated as a param edit = treated as a param 12 = treated as a param That is actually how it works right now in my framework. So basically, i never throw a 404. I could ofcourse say that only params can be given if the controller name is explicitly named in the URL. So if i want the above url: http://host.com/user/edit/12 To be invoked by the indexController, in the indexAction. Then i specifically have to tell what controller and action it uses in the URL. So the URL should become: http://host.com/index/index/user/edit/12 index = indexController index (2nd one) = the action method user = treated as a param edit = treated as a param 12 = treated as a param That way, when a controller doesn't exist, i don't reroute everything as a param to the index controller and simply throw a 404 error. Now my question is, which one is more preffered? Should i allow both options to be configurable in a config file? Or should i always use one of them. Simply because that's the only and best way to do it?

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