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• Mac OS X: How to change word separator characters?

  - by avetis.kazarian

  Depending on your system, the word separator characters change the way you can select/delete a word (e.g. by double clicking on it or using a key combination with your keyboard). The fact is that I hate the default behavior of OSX. For example: Take the following line of code: obj.attr1.innerAttr. If my cursor is at the end of the line and I press alt + backspace, it will delete everything and not just innerAttr. I only found some apps (like iTerm) which let you change the word separator characters. Is there a way to change it for the whole system?

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• System-install-packages missing

  - by Kumar P

  i am using RedHat Enterprise Linux 5.1. When i use add-remove software in application menu, i think, that i wrongly uninstalled something. so after reboot that menu item missing. Also i can't use system-install-packages in terminal. When i double click rpm package it open as archive. And i specifically open it as software installer by open with other application, it saying error /usr/bin/system-install-packages missing. Help me to solve this problem ...

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• How can I port forward with an airport extreme and a NAT enabled modem?

  - by Jon

  I run an Actiontec HD701D modem with NAT to an Airport extreme base station to laptop etc. As you might expect I get double NAT issues. I tried a lot of different things to forward a port, but no luck. Currently the airport is in bridge mode letting the modem handle the NAT, but still can't forward the port. Also to note: firewall is off on the router, firewall is set to allow the application in OSX 10.6.3 and I did forward the port in the router. No luck.

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• Installing Office 2010 through group policy without an msi

  - by Ri Caragol

  I have been breaking my head for several days now trying to install Microsoft office 2010 through group policy. Unfortunately Microsoft decided it would be fun to release office without an MSI and so I either Need to create an msi for it or Need to install it through a logon script that would run the setup.exe from a network location. Any advise would be greatlly appreciated. I tried to create a script but even though I double click it and it runs properly, it does not seem to kick in when users log in or when the machine is turned on. Also is there an easy way to create an msi?

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• Arduino crashes when sending bytes from Java [on hold]

  - by francisaugusto

  I used the sample program from the arduino website in order to send and receive data via serial to my Arduino one. However, for some reason, even when I try to send only one byte, the Arduino crashes after a while. It doesn't happen if I send the chars manually via the IDE's own serial monitor. I wrote the following method to output the character to Arduino: public synchronized void serialWrite(char sendIt){ try { output.write((byte)'0'); output.flush(); for (int j=0;j<1000000000;j++){ } }catch (Exception e){System.out.println("Not connected...");} notify(); } What I try above is to send just one character when the method is called. I send just a '0' char for testing. After manually calling the method two or three times, Arduino crashes. Is there anything I should be looking into? The Arduino code: #include <SoftwareSerial.h> int buttonState=0; int lastButtonState=0; int buttonPushCounter=0; long previousMillis=0; long interval=250; int ledState=LOW; int ledState2=LOW; int ledState3=LOW; long timeElapsed=0; SoftwareSerial portOne(10,11); void setup(){ pinMode(3,OUTPUT); pinMode(4,OUTPUT); pinMode(5,OUTPUT); pinMode(2,INPUT); Serial.begin(9600); portOne.begin(9600); } boolean turnoff; void loop(){ if(portOne.overflow()){ Serial.println("There's an overflow here!"); } buttonState= digitalRead(2); if(buttonState!=lastButtonState){ if (buttonState==HIGH){ buttonPushCounter++; } } lastButtonState=buttonState; if (turnoff){ unsigned long currentMillis=millis(); if (currentMillis-previousMillis>0 && currentMillis-previousMillis<interval){ ledState=HIGH; ledState2=LOW; ledState3=LOW; }else if (currentMillis-previousMillis>interval && currentMillis-previousMillis<interval*2){ ledState=LOW; ledState2=LOW; ledState3=HIGH; }else if (currentMillis-previousMillis>interval*2 && currentMillis-previousMillis<interval*3){ ledState=LOW; ledState2=HIGH; ledState3=LOW; }else if (currentMillis-previousMillis>interval*3){ previousMillis=currentMillis; } digitalWrite(3,ledState); digitalWrite(4,ledState2); digitalWrite(5,ledState3); }else{ digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(5,LOW); } if (buttonPushCounter==1){ Serial.print("Button pressed!\n"); turnoff=!turnoff; buttonPushCounter=0; } noInterrupts(); char ch=Serial.read(); delay(1); if(ch=='0'){ Serial.println("Changed by serial"+turnoff); Serial.println(ch); turnoff=!turnoff; } interrupts(); }

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• Increase performance of Samsung 830 256GB SSD

  - by Robert Koritnik

  I have a Samsung 830 SSD in my notebook connected to a SATA interface. This is a rather old HP notebook nc8430 which means SATA is SATA I and not II or even III that disk supports. But SATA I still supports speeds up to 150MB/s so I expected at least double values as per image below. CrystalDiskMark shows rather slow performance: I've been using this SSD for over a year now and I would like to know what to do to make it blazingly fast as other reports say it should be? Edit As suggested I'm adding AS SSD screenshot of the test. And Samsung Magician's benchmark which is likely biased...

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• multipart file-upload post request from java

  - by Martin

  I'm trying to make a program that uploads a image to a webserver that accepts multipart file-uploads. More specificly i want to make a http POST request to http://iqs.me that sends a file in the variable "pic". I've made a lot of tries but i don't know if i've even been close. The hardest part seems to be to get a HttpURLConnection to make a request of the type POST. The response i get looks like it makes a GET. (And i want to do this without any third party libs) UPDATE: non-working code goes here (no errors but doesn't seem to do a POST): HttpURLConnection conn = null; BufferedReader br = null; DataOutputStream dos = null; DataInputStream inStream = null; InputStream is = null; OutputStream os = null; boolean ret = false; String StrMessage = ""; String exsistingFileName = "myScreenShot.png"; String lineEnd = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 1*1024*1024; String responseFromServer = ""; String urlString = "http://iqs.local.com/index.php"; try{ FileInputStream fileInputStream = new FileInputStream( new File(exsistingFileName) ); URL url = new URL(urlString); conn = (HttpURLConnection) url.openConnection(); conn.setDoInput(true); conn.setDoOutput(true); conn.setRequestMethod("POST"); conn.setUseCaches(false); conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary); dos = new DataOutputStream( conn.getOutputStream() ); dos.writeBytes(twoHyphens + boundary + lineEnd); dos.writeBytes("Content-Disposition: form-data; name=\"pic\";" + " filename=\"" + exsistingFileName +"\"" + lineEnd); dos.writeBytes(lineEnd); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize]; bytesRead = fileInputStream.read(buffer, 0, bufferSize); while (bytesRead > 0){ dos.write(buffer, 0, bufferSize); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } dos.writeBytes(lineEnd); dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); fileInputStream.close(); dos.flush(); dos.close(); }catch (MalformedURLException ex){ System.out.println("Error:"+ex); }catch (IOException ioe){ System.out.println("Error:"+ioe); } try{ inStream = new DataInputStream ( conn.getInputStream() ); String str; while (( str = inStream.readLine()) != null){ System.out.println(str); } inStream.close(); }catch (IOException ioex){ System.out.println("Error: "+ioex); }

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• Tool to convert a file of HEX to ASCII character set?

  - by Aaron

  Question: Is there a known tool to convert a file consisting of 2 byte Hex into ascii? Note: - Maintain file offset listing in bytes Example: File contents: 00000000 0054 0065 0073 0074 0020 0054 0065 0073 00000008 0074 0020 0054 0065 0073 0074 0020 0054 00000016 0065 0073 0074 0020 0054 0065 0073 0074 00000024 0020 0054 0065 0073 0074 0020 0054 0065 00000032 0073 0074 0020 0054 0065 0073 0074 0020 00000040 0054 0065 0073 0074 000a 0054 0065 0073 00000048 0074 0020 0054 0065 0073 0074 0020 0054 00000056 0065 0073 0074 0020 0054 0065 0073 0074 00000064 0020 0054 0065 0073 0074 0020 0054 0065 Expected output 00000016 0065 0073 0074 0020 0054 0065 0073 0074 |est Test Test Te| 00000032 0073 0074 0020 0054 0065 0073 0074 0020 |st Test Test.Tes| 00000048 0074 0020 0054 0065 0073 0074 0020 0054 |t Test Test Test| 00000064 0020 0054 0065 0073 0074 0020 0054 0065 | Test Test Test |

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• Empty track in Windows Media Player 12 that can't be deleted

  - by David Brown

  Right after I installed a fresh copy of Windows 7, I synced with my DropBox account that contains all of my music and added the directory to Windows Media Player 12. I now have a strange track that really isn't a track at all. It's grouped under "Unknown Artist" and has absolutely no text. The only reason I know it's there is because it highlights on mouse-over. Double-clicking on it does nothing. When the song before it ends, Windows Media Player stops playing altogether until I choose a different song (it should continue to play the next song on its own). When I try to delete this mysterious track, nothing happens. I've cleared my library and re-imported everything, but this empty track keeps appearing. I have also checked my Music directory and there is no empty MP3. What is going on here?

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• Mount "Macrium Reflect" on a partition, boot from there ?

  - by b e

  Can Macrium's Reflect recovery CD be mounted/used with GRUB ? If the cd can be 'put' (loaded/mounted/...) in a partition, then the only disc needed would be the actual recovery disc, which could be on an external hard drive, or even on the same machine in another partition, thus allowing on to recover using only what's on the machine itself. I have WXPpro and Xubuntu8.04 double mounted, really happy with them together, use each right now to fix problems with the other when they come up. Also have a partition for the Reflect CD, but I just can't get it to load from Grub, which would be great... Thanks for any thoughts, probably someone has already done this I know !

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• Eclipse: open file in external editor only temporarily

  - by user54690

  Using Eclipse, I can open a Java source file with an external editor by right-clicking on the file name (in the Package Explorer) and selecting Open With ... - emacsclient. I'm very glad to be able to do that. However, I only want to do that sometimes, not every time. Now, when I double-click on that same file name, I always automatically get the file opened in emacsclient. This is particularly annoying when I use the Open Type dialog to find a file, because in that case it's not possible to right-click and choose the default Eclipse editor. Is there a way to make Eclipse forget that I previously opened a particular file with emacsclient, so that it can go back to the default behavior of using the regular Eclipse editor?

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• Time values not saving in Airport Base Station MAC Timed Access List

  - by Boiler Bill

  I have an airport base station model A1354. I am attempting to setup MAC Timed Access so a laptop can only connect between 5:00AM and 11:00pm through the Airport Utility version 5.5.2 (552.11). My AEBS is running firmware version 7.5.2 When I try to enter the time values by double clicking over the time and entering 05:00 AM and 11:00PM the time values don't stay as soon as it looses focus. Instead they become what is in the following screenshot, and the laptop looses connectivity as soon as I update the base station. I also tried entering the values in military time with the same result. Any base station power users out there that know how I can get the time values to "stick"?

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• String from Httpresponse not passing full value.

  - by Shekhar_Pro

  HI i am in desperate need for help here, I am making a web request and getting a json string with Response.ContentLenth=2246 but when i parse it in a string it gives only few 100 characters, i traked it down that it is only getting values less than 964. strings length is still 2246 but remaining values are just (\0) null characters. Its also giving an error Unterminated string passed in. (2246): at following line FacebookFeed feed = sr.Deserialize<FacebookFeed>(data); It works fine if the response stream contains characters less than 964 chars. Following is the extract from the full code error encountered in last line. System.Web.Script.Serialization.JavaScriptSerializer sr = new System.Web.Script.Serialization.JavaScriptSerializer(); System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(@"https://graph.facebook.com/100000570310973_181080451920964"); req.Method = "GET"; System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)req.GetResponse(); byte[] resp = new byte[(int)res.ContentLength]; res.GetResponseStream().Read(resp, 0, (int)res.ContentLength); string data = Encoding.UTF8.GetString(resp); FacebookFeed feed = sr.Deserialize<FacebookFeed>(data); error given is Unterminated string passed in. (2246): {"id":"100000570310973_1810804519209........ (with rest of data in the string data including null chars) following is the shape of classes used in my code: public class FacebookFeed { public string id { get; set; } public NameIdPair from { get; set; } public NameIdPair to { get; set; } public string message { get; set; } public Uri link{get;set;} public string name{get; set;} public string caption { get; set; } public Uri icon { get; set; } public NameLinkPair[] actions { get; set; } public string type { get; set; } public NameIdPair application { get; set; } //Mentioned in Graph API as attribution public DateTime created_time { get; set; } public DateTime updated_time { get; set; } public FacebookPostLikes likes { get; set; } } public class NameIdPair { public string name { get; set; } public string id { get; set; } } public class NameLinkPair { public string name { get; set; } public Uri link{get; set;} } public class FacebookPostLikes { public NameIdPair[] data { get; set; } public int count { get; set; } }

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• Dispatcher Timer Problem

  - by will

  I am trying to make a game in silverlight that also has widgets in it. To do this I am using a dispatcher timer running a game loop that updates graphics etc. In this I have a variable that has to be accessed by both by the constantly running game loop and UI event code. At first look it seemed that the gameloop had its own local copy of currentUnit (the variable), despite the variable being declared globally. I am trying to update currentUnit with an event by the widget part of the app, but the timer's version of the variable is not being updated. What can I do get the currentUnit in the gameloop loop to be updated whenever I update currentUnit via a click event? Here is the code for setting currentUnit as part of a click event DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(Unit)); currentUnit = serializer.ReadObject(e.Result) as Unit; txtName.Text = currentUnit.name; Canvas.SetLeft(txtName, 100 - (int)Math.Ceiling(txtName.ActualWidth) / 2); txtX.Text = "" + currentUnit.x; txtY.Text = "" + currentUnit.y; txtX.Text = "" + currentUnit.owner; txtY.Text = "" + currentUnit.moved; txtName.Text = "" + currentUnit.GetHashCode(); And here is a snippet from the gameLoop loop //deal with phase changes and showing stuff if (txtPhase.Text == "Move" && movementPanel.Visibility == Visibility.Collapsed) { if (currentUnit != null) { if (currentUnit.owner) { if (currentUnit.moved) { txtMoved.Text = "This Unit has Already Moved!"; movementPanel.Visibility = Visibility.Collapsed; } else { txtMoved.Text = "" + currentUnit.GetHashCode(); movementPanel.Visibility = Visibility.Visible; } } else { txtMoved.Text = "bam"; movementPanel.Visibility = Visibility.Collapsed; } } else { txtMoved.Text = "slam"; movementPanel.Visibility = Visibility.Collapsed; } //loadUnitList(); } Here is the code for my unit class. using System; public class Unit { public int id { get; set; } public string name { get; set; } public string image { get; set; } public int x { get; set; } public int y { get; set; } public bool owner { get; set; } public int rotation { get; set; } public double movement { get; set; } public string type { get; set; } public bool moved { get; set; } public bool fired { get; set; } } Overall, any simple types, like a double is being 'updated' correctly, yet a complex of my own type (Unit) seems to be holding a local copy. Please help, I've asked other places and no one has had an answer for me!

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• how to install Mysql & tomcat on mac os x 10.5.8

  - by Divya Jyothi

  Hi can some one provide me how to install both om my mac osx 10.5.8 Hi can some one provide me how to install both om my mac osx 10.5.8 Ok this what I have done Downloaded MySQL version 5.5.22.dmg for Mac OS X 10.5 (x86, 64-bit) from http://dev.mysql.com/downloads/mysql/ Installed three files from it after mounting.... 1.MySQL -version.pkg installed it by double clicking on it 2.mysqlstartupitem.pkg installed it 3. MySql.prefpane - after installing it says it doesn't work on intel based Mac After that I have no idea whati need to start Regarding tomcat JAVA_HOME WAS the problem;(

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• Generating the escape sequences for terminal by ahk

  - by obeliksz

  I am trying to make an ahk for putty to send the keycodes that I want for some key combinations in order for my program to work over terminal too. For this I have an ahk already with some key combinations working properly by experimenting awfully much time from here and there, from key tables, etc but I still don't get, did not came up with a clear, logical method to calculate the escape key that I want. An example: ^F1::SendInput ^[O5P It gives 28 in my test prog. I see that for ^[1 I get 377 and for ^[2 376... and I see that there can be used letters out of the hexa numbers (A-F) and also ; and ~ or double [[ Do you understand how this works? Any good descriptive material for this? Thanks a lot!

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• Setting up Kerberos SSO in Windows 2008 network

  - by Arturs Licis

  We recently introduced Kerberos (SPNEGO) Single Sign-on in our web-portal, and tested it on a Windows network with Windows 2003 domain controller. Now, trying to test it on Windows 2008 R2 controlled network, SSO just doesn't work due to defective tokens. Up to the moment I was pretty sure that there's something wrong about environment and that were NTLM tokens. We double checked IE settings etc, but nothing helped. Then we checked the following settings for both users (logged on a client test-machine, and the one used as a Service Principal): This account supports Kerberos AES 128 bit encryption. This account supports Kerberos AES 256 bit encryption. .. and error message changed to ' GSSException: Failure unspecified at GSS-API level (Mechanism level: Encryption type AES256CTS mode with HMAC SHA1-96 is not supported/enabled) It makes me think that Internet Explorer receives Kerberos tokens at all times, and there's just some configuration missing, or it was ktpass.exe to be incorrectly executed. Here's how ktpass.exe was invoked: C:ktpass /out portal1.keytab /mapuser USER /princ HTTP/[email protected] /pass *

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• How to open recovered files in word?

  - by GiH

  My computer restarted while I was asleep because of system updates (need to turn that off), and when I opened up Word the first time after it restarted, it gave me a pane on the left hand side that showed me all the documents I had opened. I chose one of the documents but I want to open them all, how can I bring that pane back? Update: I forgot to mention I'm on Word 2007. I've found that if you go to C:\Users*YOURUSER*\AppData\Roaming\Microsoft\Word you can see the autorecovery files. Mine are still in there, but I don't want to touch them, I'd rather bring back that pane and do it right just in case they disappear as soon as I double click haha...

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• Installing Office 2010 without through group policy without an msi

  - by Ri Caragol

  I have been breaking my head for several days now trying to install Microsoft office 2010 through group policy. Unfortunately Microsoft decided it would be fun to release office without an MSI and so I either 1) need to create an msi for it or 2) need to install it through a logon script that would run the setup.exe from a network location. Any advise would be greatlly appreciated. I tried to create a script but even though I double click it and it runs properly, it does not seem to kick in when users log in or when the machine is turned on. Also is there an easy way to create an msi? thanks! -Ri

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• Large keepalive_requests values are severely slowing-down Nginx

  - by Gil

  When running a bacon (43-byte transparent pixel) load test on Nginx, we have tried several keepalive_requests values (from 10 to 100,000) and the optimal value seems to be 10. Here are the server HTTP headers of this tiny reply: HTTP/1.1 200 OK Server: nginx/1.5.6 Date: Wed, 23 Oct 2013 12:39:45 GMT Content-Type: image/gif Content-Length: 43 Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT Connection: keep-alive Nginx is twice slower with keepalive_requests 100000 than with keepalive_requests 10. Can you help understanding that result? Or tell what we do wrong? For reference, here is the nginx.conf file.

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• creating cookbooks and roles with out chef-server

  - by Josh Nankin

  I want to run: knife role create blah I use chef-solo and don't need knife to connect to a server. I just would like to run these commands for helping me prepopulate the files quickly. Everytime I run of these commands it attempts to connect to a server. This does not happen for knife cookbook create blah Double-ewe tee eff. Update: I've noticed this is the case for databags and environments as well. I've read elsewhere that knife is primarily intended for use with the chef-server API, but it seems ridiculous that something like this can't be done. It just needs to save the darn file.

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• c# send recive object over network?

  - by Data-Base

  Hello, I'm working on a server/client project the client will be asking the server for info and the server will send them back to the client the info may be string,number, array, list, arraylist or any other object I found allot of examples but I faced issues!!!! the solution I found so far is to serialize the object (data) and send it then de-serialize it to process here is the server code public void RunServer(string SrvIP,int SrvPort) { try { var ipAd = IPAddress.Parse(SrvIP); /* Initializes the Listener */ if (ipAd != null) { var myList = new TcpListener(ipAd, SrvPort); /* Start Listeneting at the specified port */ myList.Start(); Console.WriteLine("The server is running at port "+SrvPort+"..."); Console.WriteLine("The local End point is :" + myList.LocalEndpoint); Console.WriteLine("Waiting for a connection....."); while (true) { Socket s = myList.AcceptSocket(); Console.WriteLine("Connection accepted from " + s.RemoteEndPoint); var b = new byte[100]; int k = s.Receive(b); Console.WriteLine("Recieved..."); for (int i = 0; i < k; i++) Console.Write(Convert.ToChar(b[i])); string cmd = Encoding.ASCII.GetString(b); if (cmd.Contains("CLOSE-CONNECTION")) break; var asen = new ASCIIEncoding(); // sending text s.Send(asen.GetBytes("The string was received by the server.")); // the line bove to be modified to send serialized object? Console.WriteLine("\nSent Acknowledgement"); s.Close(); Console.ReadLine(); } /* clean up */ myList.Stop(); } } catch (Exception e) { Console.WriteLine("Error..... " + e.StackTrace); } } here is the client code that should return an object public object runClient(string SrvIP, int SrvPort) { object obj = null; try { var tcpclnt = new TcpClient(); Console.WriteLine("Connecting....."); tcpclnt.Connect(SrvIP, SrvPort); // use the ipaddress as in the server program Console.WriteLine("Connected"); Console.Write("Enter the string to be transmitted : "); var str = Console.ReadLine(); Stream stm = tcpclnt.GetStream(); var asen = new ASCIIEncoding(); if (str != null) { var ba = asen.GetBytes(str); Console.WriteLine("Transmitting....."); stm.Write(ba, 0, ba.Length); } var bb = new byte[2000]; var k = stm.Read(bb, 0, bb.Length); string data = null; for (var i = 0; i < k; i++) Console.Write(Convert.ToChar(bb[i])); //convert to object code ?????? Console.ReadLine(); tcpclnt.Close(); } catch (Exception e) { Console.WriteLine("Error..... " + e.StackTrace); } return obj; } I need to know a good serialize/serialize and how to integrate it into the solution above :-( I would be really thankful for any help cheers

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• iptables: limiting bytes downloaded per IP per day?

  - by Miles

  On a public-facing web server, I'd like to limit the total bytes downloaded per IP address per day. For example, after a visitor downloaded 100MB, any additional requests would be dropped or rejected for the next 24 hours. Is it possible to accomplish this using iptables alone? The connbytes, connlimit, hashlimit, quota, and recent options all look promising, but the man page plays its cards close to the vest (e.g., "quota - Implements network quotas by decrementing a byte counter with each packet. --quota bytes The quota in bytes."). Would like to avoid using a proxy (like Squid) if possible.

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• need help upgrading small business wifi network

  - by Henry Jackson

  Our small business currently has 3 wireless access points around the building, each with their own SSID. Security is done with WEP (ick) and MAC address filtering (double ick). We are trying to reconfigure the setup, with these goals: wifi roaming between the access points user-based authentication that isn't as annoying as MAC address filtering. 1) The entire building is hardwired with ethernet, so I assume it should be easy to set up the routers to act as one big network, but I can't figure out how. Can someone point me in the right direction? The routers are consumer-grade linksys routers, is it possible to do this without getting new hardware? 2) For security, we will probably upgrade to WPA2, and I'm thinking of using the Enterprise version so that users can log in with a username, instead of having a single key (so if an employee leaves or something, their access can be removed). We have several on-site Windows servers, can one of them be set up as a RADIUS server, or is that best left to a dedicated machine (again, using existing hardware is good).

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• Different setter behavior between DbContext and ObjectContext

  - by Paul

  (This is using EntityFramework 4.2 CTP) I haven't found any references to this on the web yet, although it's likely I'm using the wrong terminology while searching. There's also a very likely scenario where this is 100% expected behavior, just looking for confirmation and would rather not dig through the tt template (still new to this). Assuming I have a class with a boolean field called Active and I have one row that already has this value set to true. I have code that executes to set said field to True regardless of it's existing value. If I use DbContext to update the value to True no update is made. If I use ObjectContext to update the value an update is made regardless of the existing value. This is happening in the exact same EDMX, all I did was change the code generation template from DbContext to EntityObject. Update: Ok, found the confirmation I was looking for...consider this a dupe...next time I'll do MOAR SEARCHING! Entity Framework: Cancel a property change if no change in value ** Update 2: ** Problem: the default tt template wraps the "if (this != value)" in the setter with "if (iskey), so only primarykey fields receive this logic. Solution: it's not the most graceful thing, but I removed this check...we'll see how it pans out in real usage. I included the entire tt template, my changes are denoted with "**"... //////// //////// Write SimpleType Properties. //////// private void WriteSimpleTypeProperty(EdmProperty simpleProperty, CodeGenerationTools code) { MetadataTools ef = new MetadataTools(this); #> /// <summary> /// <#=SummaryComment(simpleProperty)#> /// </summary><#=LongDescriptionCommentElement(simpleProperty, 1)#> [EdmScalarPropertyAttribute(EntityKeyProperty= <#=code.CreateLiteral(ef.IsKey(simpleProperty))#>, IsNullable=<#=code.CreateLiteral(ef.IsNullable(simpleProperty))#>)] [DataMemberAttribute()] <#=code.SpaceAfter(NewModifier(simpleProperty))#><#=Accessibility.ForProperty(simpleProperty)#> <#=MultiSchemaEscape(simpleProperty.TypeUsage, code)#> <#=code.Escape(simpleProperty)#> { <#=code.SpaceAfter(Accessibility.ForGetter(simpleProperty))#>get { <#+ if (ef.ClrType(simpleProperty.TypeUsage) == typeof(byte[])) { #> return StructuralObject.GetValidValue(<#=code.FieldName(simpleProperty)#>); <#+ } else { #> return <#=code.FieldName(simpleProperty)#>; <#+ } #> } <#=code.SpaceAfter(Accessibility.ForSetter((simpleProperty)))#>set { <#+ **//if (ef.IsKey(simpleProperty)) **//{ if (ef.ClrType(simpleProperty.TypeUsage) == typeof(byte[])) { #> if (!StructuralObject.BinaryEquals(<#=code.FieldName(simpleProperty)#>, value)) <#+ } else { #> if (<#=code.FieldName(simpleProperty)#> != value) <#+ } #> { <#+ PushIndent(CodeRegion.GetIndent(1)); **//} #> <#=ChangingMethodName(simpleProperty)#>(value); ReportPropertyChanging("<#=simpleProperty.Name#>"); <#=code.FieldName(simpleProperty)#> = <#=CastToEnumType(simpleProperty.TypeUsage, code)#>StructuralObject.SetValidValue(<#=CastToUnderlyingType(simpleProperty.TypeUsage, code)#>value<#=OptionalNullableParameterForSetValidValue(simpleProperty, code)#>, "<#=simpleProperty.Name#>"); ReportPropertyChanged("<#=simpleProperty.Name#>"); <#=ChangedMethodName(simpleProperty)#>(); <#+ //if (ef.IsKey(simpleProperty)) //{ PopIndent(); #> } <#+ //} #> } }

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