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• Basic question about request queues in IIS / ASP.Net

  - by larryq

  I have an ASP.Net application running under IIS 6. A simple page has two radio buttons and a submit button. If I select radio button "A" and submit the page, a lengthy PDF file is generated, which takes about a minute to build. If I select radio button "B", a small PDF is generated. (In both cases the PDF is written out to the Response object and it opens in my browser.) If I select radio button "A" and submit, then hit the red X in my browser to stop the current request, then select radio button "B" and resubmit, the page still takes a long time to process my request. No doubt my first request is still being processed on the server, but I was wondering how IIS and/or ASP.Net are queuing my requests so that fair server use is guaranteed among all users. Am I roughly correct in assuming something like this happens, and if so, how is it done?

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• Python Ephem / Datetime calculation

  - by dassouki

  the output should process the first date as "day" and second as "night". I've been playing with this for a few hours now and can't figure out what I'm doing wrong. Any ideas? Edit I assume that the problem is due to my date comparison implementation Output: $ python time_of_day.py * should be day: event date: 2010/4/6 16:00:59 prev rising: 2010/4/6 09:24:24 prev setting: 2010/4/5 23:33:03 next rise: 2010/4/7 09:22:27 next set: 2010/4/6 23:34:27 day * should be night: event date: 2010/4/6 00:01:00 prev rising: 2010/4/5 09:26:22 prev setting: 2010/4/5 23:33:03 next rise: 2010/4/6 09:24:24 next set: 2010/4/6 23:34:27 day time_of_day.py import datetime import ephem # install from http://pypi.python.org/pypi/pyephem/ #event_time is just a date time corresponding to an sql timestamp def type_of_light(latitude, longitude, event_time, utc_time, horizon): o = ephem.Observer() o.lat, o.long, o.date, o.horizon = latitude, longitude, event_time, horizon print "event date ", o.date print "prev rising: ", o.previous_rising(ephem.Sun()) print "prev setting: ", o.previous_setting(ephem.Sun()) print "next rise: ", o.next_rising(ephem.Sun()) print "next set: ", o.next_setting(ephem.Sun()) if o.previous_rising(ephem.Sun()) <= o.date <= o.next_setting(ephem.Sun()): return "day" elif o.previous_setting(ephem.Sun()) <= o.date <= o.next_rising(ephem.Sun()): return "night" else: return "error" print "should be day: ", type_of_light('45.959','-66.6405','2010/4/6 16:01','-4', '-6') print "should be night: ", type_of_light('45.959','-66.6405','2010/4/6 00:01','-4', '-6')

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• how to retrieve data in image uri in sd card to read data in byte convertion

  - by narasimha

  hi sir i am implementing upload image click upload button then select into sdcard images i am getting uri File Img = new File(selectedImage.getPath()); System.out.println("2............."+Img); FileInputStream is = null; try { is = new FileInputStream(Img); is.read(buffer); BufferedInputStream bis = new BufferedInputStream(is); Bitmap bm = BitmapFactory.decodeStream(is); bis.close(); is.close(); i got in image uri how can retrieve data in particular image uri in image path above code Img i am new in android then some suggition give me some reply

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• regenerating url in cf9/Coldbox

  - by faheem7860

  Hi I am wondering if there is a way to regenerate the URL when any page is loaded in coldbox/CF9 when using event.buildLink ? Currently I get http://cawksd05.codandev.local:8080/entries/editor when using event.buildlink. But the correct url should have /index.cfm added to it as shown below: /index.cfm/entries/editor Is there a way to set this once and where does this get set as I am confused where to set this for all my pages so that /index.cfm gets added the the url prefix when I do an event.Buildlink. Thanks Faheem // General Properties setUniqueURLS(false); setAutoReload(false); // Base URL if( len(getSetting('AppMapping') ) lte 1){ setBaseURL("http://#cgi.HTTP_HOST#/index.cfm"); } else{ setBaseURL("http://#cgi.HTTP_HOST#/#getSetting('AppMapping')#/index.cfm"); } // Your Application Routes formatConstraints = {format="(xml|json)"}; addRoute(pattern="/api/:format/tasks/completed",handler="tasksAPI",action="list",constraints=formatConstraints,completed=true); addRoute(pattern="/api/:format/tasks",handler="tasksAPI",action="list",constraints=formatConstraints); addRoute(pattern="/api/:format?",handler="tasksAPI",action="invalid"); addRoute(pattern="/tasks/list/:status?",handler="tasks",action="index"); addRoute(pattern=":handler/:action?");

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• Is it actually possible to connect to ActiveMQ via XMPP and query/browse queues using "AciveMQ.Agen

  - by Oleg Kiorsak

  I tried what I think are 4 most popular XMPP (aka "Jabber") clients (Spark, Pidgin, Psi, Pandion) to connect to ActiveMQ instance (Apache ActiveMQ ver. 5.3.0) on XMMP connector with an idea to use the "AciveMQ.Agent chatroom" for querying queues/etc and no success at all Some of them fail with 'Unknown error', some don't fail but kind of "hang"... interestingly, some communication does indeed reach the ActiveMQ side, because when I close a client it spits an exception "could not close" or something to that effect... and if I try "register new user" option (present on most clients" the ActiveMQ also spits some most cryptic warning message But I was never able to get to the point when I could see or specify "ActiveMQ.Agent" as chatroom and issue any commands... Before I waste any more time on this curious feature, I would like to hear whether anyone had any success with it? Thank you! PS: BTW, the book "ActiveMQ in Action book" http://www.manning.com/snyder/ shows that it is apparently works and is very easy using some Mac client (AdiumX), but I wanted it on a Windows PC ;)

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• Passing Byte (VB.NET)

  - by yae

  Hi I need to pass encoded string to php page. To convert string to iso: Dim result As Byte() = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("iso-8859-1"), input) I have this code to pass string, but how I must do it to pass Byte (variable result) instead of the string (variable MyVarString)? Dim client As WebClient Dim data As Stream Dim reader As StreamReader Dim baseurl As String baseurl = "http://example.com/api/mypage2.php" client = New WebClient client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)") client.QueryString.Add("mensaje", MyVarString) data = client.OpenRead(baseurl) reader = New StreamReader(data) s = reader.ReadToEnd() data.Close() reader.Close() Etc.

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• Problem when trying to connect to a desktop server from android on wifi

  - by thiagolee

  Hello, I am trying to send a file from the phone running Android 1.5 to a server on a desktop. I wrote some code, which works on emulator, but on the phone it doesn't. I'm connecting to the network through WiFi. It works, I can access the internet through my phone and I've configured my router. The application stops when I'm trying to connect. I have the permissions. Someone have any ideas, below is my code. Running on Android package br.ufs.reconhecimento; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.net.Socket; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.EditText; import android.widget.ImageButton; /** * Sample code that invokes the speech recognition intent API. */ public class Reconhecimento extends Activity implements OnClickListener { static final int VOICE_RECOGNITION_REQUEST_CODE = 1234; static final String LOG_VOZ = "UFS-Reconhecimento"; final int INICIAR_GRAVACAO = 01; int porta = 5158; // Porta definida no servidor int tempoEspera = 1000; String ipConexao = "172.20.0.189"; EditText ipEdit; /** * Called with the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Inflate our UI from its XML layout description. setContentView(R.layout.main); // Get display items for later interaction ImageButton speakButton = (ImageButton) findViewById(R.id.btn_speak); speakButton.setPadding(10, 10, 10, 10); speakButton.setOnClickListener(this); //Alerta para o endereço IP AlertDialog.Builder alerta = new AlertDialog.Builder(this); alerta.setTitle("IP");//+mainWifi.getWifiState()); ipEdit = new EditText(this); ipEdit.setText(ipConexao); alerta.setView(ipEdit); alerta.setMessage("Por favor, Confirme o endereço IP."); alerta.setPositiveButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { ipConexao = ipEdit.getText().toString(); Log.d(LOG_VOZ, "Nova Atribuição do Endreço IP: " + ipConexao); } }); alerta.create(); alerta.show(); } /** * Handle the click on the start recognition button. */ public void onClick(View v) { if (v.getId() == R.id.btn_speak) { //startVoiceRecognitionActivity(); Log.d(LOG_VOZ, "Iniciando a próxima tela"); Intent recordIntent = new Intent(this, GravacaoAtivity.class); Log.d(LOG_VOZ, "Iniciando a tela (instancia criada)"); startActivityForResult(recordIntent, INICIAR_GRAVACAO); Log.d(LOG_VOZ, "Gravação iniciada ..."); } } /** * Handle the results from the recognition activity. */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { Log.d(LOG_VOZ, "Iniciando onActivityResult()"); if (requestCode == INICIAR_GRAVACAO && resultCode == RESULT_OK) { String path = data.getStringExtra(GravacaoAtivity.RETORNO); conexaoSocket(path); } else Log.e(LOG_VOZ, "Resultado Inexperado ..."); } private void conexaoSocket(String path) { Socket socket = SocketOpener.openSocket(ipConexao, porta, tempoEspera); if(socket == null) return; try { DataOutputStream conexao = new DataOutputStream(socket.getOutputStream()); Log.d(LOG_VOZ, "Acessando arquivo ..."); File file = new File(path); DataInputStream arquivo = new DataInputStream(new FileInputStream(file)); Log.d(LOG_VOZ, "Iniciando Transmissão ..."); conexao.writeLong(file.length()); for(int i = 0; i < file.length(); i++) conexao.writeByte(arquivo.readByte()); Log.d(LOG_VOZ, "Transmissão realizada com sucesso..."); Log.d(LOG_VOZ, "Fechando a conexão..."); conexao.close(); socket.close(); Log.d(LOG_VOZ, "============ Processo finalizado com Sucesso =============="); } catch (IOException e) { Log.e(LOG_VOZ, "Erro ao fazer a conexão via Socket. " + e.getMessage()); // TODO Auto-generated catch block } } } class SocketOpener implements Runnable { private String host; private int porta; private Socket socket; public SocketOpener(String host, int porta) { this.host = host; this.porta = porta; socket = null; } public static Socket openSocket(String host, int porta, int timeOut) { SocketOpener opener = new SocketOpener(host, porta); Thread t = new Thread(opener); t.start(); try { t.join(timeOut); } catch(InterruptedException e) { Log.e(Reconhecimento.LOG_VOZ, "Erro ao fazer o join da thread do socket. " + e.getMessage()); //TODO: Mensagem informativa return null; } return opener.getSocket(); } public void run() { try { socket = new Socket(host, porta); }catch(IOException e) { Log.e(Reconhecimento.LOG_VOZ, "Erro na criação do socket. " + e.getMessage()); //TODO: Mensagem informativa } } public Socket getSocket() { return socket; } } Running on the desktop Java: import java.io.BufferedReader; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.net.ServerSocket; import java.net.Socket; public class ServidorArquivo { private static int porta = 5158; static String ARQUIVO = "voz.amr"; /** * Caminho que será gravado o arquivo de audio */ static String PATH = "/home/iade/Trabalho/lib/"; public static void main(String[] args) { int i = 1; try { System.out.println("Iniciando o Servidor Socket - Android."); ServerSocket s = new ServerSocket(porta); System.out.println("Servidor Iniciado com Sucesso..."); System.out.println("Aguardando conexões na porta: " + porta); while(true) { Socket recebendo = s.accept(); System.out.println("Aceitando conexão de nº " + i); new ThreadedHandler(recebendo).start(); i++; } } catch (Exception e) { System.out.println("Erro: " + e.getMessage()); e.printStackTrace(); } } } class ThreadedHandler extends Thread { private Socket socket; public ThreadedHandler(Socket so) { socket = so; } public void run() { DataInputStream entrada = null; DataOutputStream arquivo = null; try { entrada = new DataInputStream(socket.getInputStream()); System.out.println("========== Iniciando a leitura dos dados via Sockets =========="); long tamanho = entrada.readLong(); System.out.println("Tamanho do vetor " + tamanho); File file = new File(ServidorArquivo.PATH + ServidorArquivo.ARQUIVO); if(!file.exists()) file.createNewFile(); arquivo = new DataOutputStream(new FileOutputStream(file)); for(int j = 0; j < tamanho; j++) { arquivo.write(entrada.readByte()); } System.out.println("========== Dados recebidos com sucesso =========="); } catch (Exception e) { System.out.println("Erro ao tratar do socket: " + e.getMessage()); e.printStackTrace(); } finally { System.out.println("**** Fechando as conexões ****"); try { entrada.close(); socket.close(); arquivo.close(); } catch (IOException e) { System.out.println("Erro ao fechar conex&#65533;es " + e.getMessage()); e.printStackTrace(); } } System.out.println("============= Fim da Gravação ==========="); // tratar o arquivo String cmd1 = "ffmpeg -i voz.amr -ab 12288 -ar 16000 voz.wav"; String cmd2 = "soundstretch voz.wav voz2.wav -tempo=100"; String dir = "/home/iade/Trabalho/lib"; File workDir = new File(dir); File f1 = new File(dir+"/voz.wav"); File f2 = new File(dir+"/voz2.wav"); f1.delete(); f2.delete(); try { executeCommand(cmd1, workDir); System.out.println("realizou cmd1"); executeCommand(cmd2, workDir); System.out.println("realizou cmd2"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } private void executeCommand(String cmd1, File workDir) throws IOException, InterruptedException { String s; Process p = Runtime.getRuntime().exec(cmd1,null,workDir); int i = p.waitFor(); if (i == 0) { BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream())); // read the output from the command while ((s = stdInput.readLine()) != null) { System.out.println(s); } } else { BufferedReader stdErr = new BufferedReader(new InputStreamReader(p.getErrorStream())); // read the output from the command while ((s = stdErr.readLine()) != null) { System.out.println(s); } } } } Thanks in advance.

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• Tricking the server to load files faster?

  - by Yongho

  If we have a website with multiple images and videos, I've read that it's best to serve them from other domains so that the browser can simultaneously download a bunch of files, rather than waiting one by one for each file to be downloaded. For example, if we have a website http://example.com/, we might consider serving: Videos from http://video.example.com/ Images from http://images.example.com/ etc. Question: can we achieve the simultaneous downloading by tricking the browser into believing that the files are hosted there, or do they actually need to be at that location? We can, for example, pretend to serve video from http://video.example.com/ when actually it's just a clever htaccess rewrite that ACTUALLY serves from http://example.com/video.php. In this case, the video is being served from the main domain but because we refer it as http://video.example.com/, it may think that it's another domain and thus load files simultaneously, rather than one by one. Is this feasible?

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• Debug on Opera Mini

  - by Terix

  how do i debug a website that looks weird on opera mini? The site is working fine on any other browser

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• Palm webOS CSS Targeting Hack?

  - by Tom

  Although it is not good practice, I am looking for a CSS hack to target Palm webOS. The problem is that Safari 3+ is awesome, and I can do some things like gradient background animations on text, but only in Safari. Right now I use @media screen and (-webkit-min-device-pixel-ratio:0) {} and it works like a charm, no Opera, Firefox, or whatever, because if I set the background to the image as I do in Safari they will all be ruined. But Palm's browser is based on webkit, and it uses the rules inside, and Palm's browser doesn't support text backgrounds so all I get is the image moving, no text. I would prefer a CSS hack, but if need be a Javascript one will do.

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• STDOUT can not return to Screen

  - by rockyurock

  STDOUT can not return to Screen Hello all below is the part of my code, my code enters "if loop" with $value =1 and output of the process "iperf.exe" is getting into my_output.txt. As i am timing out the process after alram(20sec) time,also wanted to capture the output of this process only. then after i want to continue to the command prompt but i am not able to return to the command promt... not only this code itself does not PRINT on the command prompt , rather it is priniting on the my_output.txt file (i am looping this if loop through rest of my code) output.txt ========== inside value loop2 ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 8.00 KByte (default) ------------------------------------------------------------ [160] local 10.232.62.151 port 5001 connected with 10.232.62.151 port 1505 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [160] 0.0- 5.0 sec 2.14 MBytes 3.59 Mbits/sec 0.000 ms 0/ 1528 (0%) inside value loop3 clue1 clue2 inside value loop4 one iperf completed Transfer Transfer Starting: Intent { act=android.settings.APN_SETTINGS } ******AUTOMATION COMPLETED****** Looks some problem with reinitializing the STDOUT.. even i tried to use close(STDOUT); but again it did not return to STDOUT could sombbody please help out ?? /rocky CODE:: if($value) { my $file = 'my_output.txt'; use Win32::Process; print"inside value loop\n"; # redirect stdout to a file open STDOUT, '>', $file or die "can't redirect STDOUT to <$file> $!"; Win32::Process::Create(my $ProcessObj, "iperf.exe", "iperf.exe -u -s -p 5001", 0, NORMAL_PRIORITY_CLASS, ".") || die ErrorReport(); $alarm_time = $IPERF_RUN_TIME+2; #20sec print"inside value loop2\n"; sleep $alarm_time; $ProcessObj->Kill(0); sub ErrorReport{ print Win32::FormatMessage( Win32::GetLastError() ); } print"inside value loop3\n"; print"clue1\n"; #close(STDOUT); print"clue2\n"; print"inside value loop4\n"; print"one iperf completed\n"; } my $data_file="my_output.txt"; open(ROCK, $data_file)|| die("Could not open file!"); @raw_data=<ROCK>; @COUNT_PS =split(/ /,$raw_data[7]); my $LOOP_COUNT_PS_4 = $COUNT_PS[9]; my $LOOP_COUNT_PS_5 = $COUNT_PS[10]; print "$LOOP_COUNT_PS_4\n"; print "$LOOP_COUNT_PS_5\n"; my $tput_value = "$LOOP_COUNT_PS_4"." $LOOP_COUNT_PS_5"; print "$tput_value"; close(ROCK); print FH1 "\n $count \| $tput_value \n"; regds rakesh

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• accessing pdf via https URL

  - by Paul

  I send out a newsletter email containing URLs to a https website that then redirects to a pdf document. On first invocation of a URL the user is prompted with the typical https browser "security alert" popup, on selecting "Yes" the display of the PDF fails. The HTTP Header on the failed response is: HTTP/1.1 200 OK Server: ECS/HTTP-Server Date: Tue, 16 Mar 2010 15:57:26 GMT Content-type: application/pdf Content-language: en-US Set-cookie: JSESSIONID=0000r111cRz1Vc-PtCJg8Cdu4eR:-1; Path=/ Expires: Thu, 01 Dec 1994 16:00:00 GMT Cache-control: no-cache="set-cookie, set-cookie2" Connection: close Subsequent invocations of the URL successfully opens the PDF (at this point we have the session id cookie set by the initial failed request). The HTTP Header on the successful response is: HTTP/1.1 200 OK Server: ECS/HTTP-Server Date: Tue, 16 Mar 2010 16:53:03 GMT Content-type: application/pdf Content-language: en-US Connection: close The email client is Lotus Notes 6.5 which launches an IE6 browser Any ideas?

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• Reduce unwanted noise

  - by Rajeev

  In the below code sometimes when microphone is not connected some noise is generated and the system just keeps on buzzing the same sound.Whats wrong with the code below and how to reduce the unwanted noise. Should i set myMic.setLoopBack(false) in the below code <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="300" height="100" creationComplete="init()"> <mx:Script> <![CDATA[ import mx.controls.Alert; import flash.net.NetStream; private var myMic:Microphone; private var recordingState:String = "idle"; private function init():void { myMic = Microphone.getMicrophone(); myMic.setSilenceLevel(0); myMic.rate = 44; myMic.gain = 100; myMic.setUseEchoSuppression(true); micLevel.visible = true; //Security.showSettings(SecurityPanel.MICROPHONE); myMic.setLoopBack(true); if (myMic != null) { myMic.setUseEchoSuppression(true); micLevel.setProgress(myMic.activityLevel, 100); addEventListener(Event.ENTER_FRAME, showMicLevel); //micLevel.setProgress(myMic.activityLevel, 100); } } private function showMicLevel(event:Event):void{ switch (recordingState){ case "idle" : micLevel.setProgress(myMic.activityLevel, 100); break; } } ]]> </mx:Script> <mx:ProgressBar x="0" y="36" mode="manual" id="micLevel" label="" labelPlacement="bottom" width="100" fontSize="10" fontWeight="normal"/> </mx:Application>

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• XSS as attack vector even if XSS data not stored?

  - by Klaas van Schelven

  I have a question about XSS Can forms be used as a vector for XSS even if the data is not stored in the database and used at a later point? i.e. in php the code would be this: <form input="text" value="<?= @$_POST['my_field'] ?>" name='my_field'> Showing an alert box (demonstrate that JS can be run) on your own browser is trivial with the code above. But is this exploitable across browsers as well? The only scenario I see is where you trick someone into visiting a certain page, i.e. a combination of CSRF and XSS. "Stored in a database and used at a later point": the scenario I understand about CSS is where you're able to post data to a site that runs JavaScript and is shown on a page in a browser that has greater/different privileges than your own. But, to be clear, this is not wat I'm talking about above.

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• Flex fixed and variable height - can it be set in markup?

  - by Prutswonder

  I've got the following Flex application markup: <app:MyApplicationClass xmlns:app="*" width="100%" height="100%" layout="vertical" horizontalScrollPolicy="off" verticalScrollPolicy="off"> <mx:VBox id="idPageContainer" width="100%" height="100%" verticalGap="0" horizontalScrollPolicy="off" verticalScrollPolicy="off"> <mx:HBox id="idTopContainer" width="100%" height="28" horizontalGap="2"> (top menu stuff goes here) </mx:HBox> <mx:HBox id="idBottomContainer" width="100%" height="100%" verticalScrollPolicy="off" clipContent="false"> (page stuff goes here) </mx:HBox> </mx:VBox> </app:MyApplicationClass> When I run it, it displays top panel with a fixed height, and a bottom panel with variable height. I expect the bottom panel's height to contain the remaining height, but it somehow overflows off-page. The only way I found to fix this height issue (so far) is to programmatically set the height to be fixed instead of variable: <mx:HBox id="idBottomContainer" width="100%" height="700" verticalScrollPolicy="off" clipContent="false"> (page stuff goes here) </mx:HBox> And code-behind: package { import mx.containers.HBox; import mx.core.Application; import mx.events.ResizeEvent; // (...) public class MyApplicationClass extends Application { public var idBottomContainer:HBox; // (...) private function ON_CreationComplete (event:FlexEvent) : void { // (...) addEventListener(ResizeEvent.RESIZE, ON_Resize); } private function ON_Resize (event:Event) : void { idBottomContainer.height = this.height - idTopContainer.height; } } } But this solution is too "dirty" and I'm looking for a more elegant way. Does anyone know an alternative?

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• PDF Report generation

  - by IniTech

  EDIT : I completed this project using ABCpdf. For anyone interested, I love this product and their support is A+. Everything I listed as a 'Con' for the HTML - PDF solution was easily doable in ABCpdf. I've been charged with creating a data driven pdf report. After reviewing the plethora of options, I have narrowed it down to 2. I need you all to to help me decide, or offer alternatives I haven't considered. Here are the requirements: 100% Data driven Eventually PDF (a stop in HTML is fine, so long as it is converted) Can be run with multiple sets of data (the layout is always the same, the data is variable) Contains normal analysis-style copy (saved in DB with html markup) Contains tables (data for tables is generated at run-time) Header/Page # on each page Table of Contents .NET (VB or C#) Done quickly Now, because of the fact that the report is going to be generated with multiple sets of data, I don't think a stamped pdf template will work since I won't know how long or how many pages a certain piece of the report could require. So, I think my best options are: Programmatic creation using an iText-like solution. Generate in HTML and convert to PDF using a third-party application (ABCPdf is the tool I have played with so far) Both solutions have their pro's and con's. Programmatic solution: Pros: Flexible Easy page numbering/page header/table of contents Free Cons: Time consuming (to write a layer on top of iText to do what I need and keep maintainable) Since the copy is already stored in the db with html markup, I would have to parse through the data before I place it into the pdf, ensuring I don't have to break the paragraph into chunks so I can apply bold, italic, underline, etc. to specific phrases. This seems like a huge PITA, and I hope I am wrong about that assumption. HTML - PDF Pros: Easy to generate from db (no parsing necessary) Many tools for conversion Uses technology I am already familiar with Built-in "Print Preview" - not a req, but nice Cons: (Edited after project completion. All of my assumptions were incorrect and ABCpdf is awesome) 1. Almost impossible to generate page headers - Not True 2. Very difficult to generate page numbers Not True 3. Nearly impossible to generate table of contents Not True 4. (Cross-browser support isn't a con; Since its internal, I can dictate what browser to use) 5. Conversion tool quirks - may not convert exactly as rendered in browser Not True 6. Overall, I think it would be very hard to format the HTML exactly as I would want it to appear/convert to PDF. Not True That's it - I need the communitys help in deciding which way I should go. I might be wrong about some of my Pro/Con assumptions. If I am, please tell me. All thoughts and suggestions are welcome and appreciated. Thanks

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• Decryption Key value not match

  - by Jitendra Jadav

  public class TrippleENCRSPDESCSP { public TrippleENCRSPDESCSP() { } public void EncryptIt(string sData,ref byte[] sEncData,ref byte[] Key1,ref byte[] Key2) { try { // Create a new TripleDESCryptoServiceProvider object // to generate a key and initialization vector (IV). TripleDESCryptoServiceProvider tDESalg = new TripleDESCryptoServiceProvider(); // Create a string to encrypt. // Encrypt the string to an in-memory buffer. byte[] Data = EncryptTextToMemory(sData,tDESalg.Key,tDESalg.IV); sEncData = Data; Key1 = tDESalg.Key; Key2 = tDESalg.IV; } catch (Exception) { throw; } } public string DecryptIt(byte[] sEncData) { //byte[] toEncrypt = new ASCIIEncoding().GetBytes(sEncData); //XElement xParser = null; //XmlDocument xDoc = new XmlDocument(); try { //string Final = ""; string sPwd = null; string sKey1 = null; string sKey2 = null; //System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding(); string soutxml = ""; //soutxml = encoding.GetString(sEncData); soutxml = ASCIIEncoding.ASCII.GetString(sEncData); sPwd = soutxml.Substring(18, soutxml.LastIndexOf("</EncPwd>") - 18); sKey1 = soutxml.Substring(18 + sPwd.Length + 15, soutxml.LastIndexOf("</Key1>") - (18 + sPwd.Length + 15)); sKey2 = soutxml.Substring(18 + sPwd.Length + 15 + sKey1.Length + 13, soutxml.LastIndexOf("</Key2>") - (18 + sPwd.Length + 15 + sKey1.Length + 13)); //xDoc.LoadXml(soutxml); //xParser = XElement.Parse(soutxml); //IEnumerable<XElement> elemsValidations = // from el in xParser.Elements("EmailPwd") // select el; #region OldCode //XmlNodeList objXmlNode = xDoc.SelectNodes("EmailPwd"); //foreach (XmlNode xmllist in objXmlNode) //{ // XmlNode xmlsubnode; // xmlsubnode = xmllist.SelectSingleNode("EncPwd"); // xmlsubnode = xmllist.SelectSingleNode("Key1"); // xmlsubnode = xmllist.SelectSingleNode("Key2"); //} #endregion //foreach (XElement elemValidation in elemsValidations) //{ // sPwd = elemValidation.Element("EncPwd").Value; // sKey1 = elemValidation.Element("Key1").Value; // sKey2 = elemValidation.Element("Key2").Value; //} //byte[] Key1 = encoding.GetBytes(sKey1); //byte[] Key2 = encoding.GetBytes(sKey2); //byte[] Data = encoding.GetBytes(sPwd); byte[] Key1 = ASCIIEncoding.ASCII.GetBytes(sKey1); byte[] Key2 = ASCIIEncoding.ASCII.GetBytes(sKey2); byte[] Data = ASCIIEncoding.ASCII.GetBytes(sPwd); // Decrypt the buffer back to a string. string Final = DecryptTextFromMemory(Data, Key1, Key2); return Final; } catch (Exception) { throw; } } public static byte[] EncryptTextToMemory(string Data,byte[] Key,byte[] IV) { try { // Create a MemoryStream. MemoryStream mStream = new MemoryStream(); // Create a CryptoStream using the MemoryStream // and the passed key and initialization vector (IV). CryptoStream cStream = new CryptoStream(mStream, new TripleDESCryptoServiceProvider().CreateEncryptor(Key, IV), CryptoStreamMode.Write); // Convert the passed string to a byte array. //byte[] toEncrypt = new ASCIIEncoding().GetBytes(Data); byte[] toEncrypt = ASCIIEncoding.ASCII.GetBytes(Data); // Write the byte array to the crypto stream and flush it. cStream.Write(toEncrypt, 0, toEncrypt.Length); cStream.FlushFinalBlock(); // Get an array of bytes from the // MemoryStream that holds the // encrypted data. byte[] ret = mStream.ToArray(); // Close the streams. cStream.Close(); mStream.Close(); // Return the encrypted buffer. return ret; } catch (CryptographicException e) { MessageBox.Show("A Cryptographic error occurred: {0}", e.Message); return null; } } public static string DecryptTextFromMemory(byte[] Data, byte[] Key, byte[] IV) { try { // Create a new MemoryStream using the passed // array of encrypted data. MemoryStream msDecrypt = new MemoryStream(Data); // Create a CryptoStream using the MemoryStream // and the passed key and initialization vector (IV). CryptoStream csDecrypt = new CryptoStream(msDecrypt, new TripleDESCryptoServiceProvider().CreateDecryptor(Key, IV), CryptoStreamMode.Write); csDecrypt.Write(Data, 0, Data.Length); //csDecrypt.FlushFinalBlock(); msDecrypt.Position = 0; // Create buffer to hold the decrypted data. byte[] fromEncrypt = new byte[msDecrypt.Length]; // Read the decrypted data out of the crypto stream // and place it into the temporary buffer. msDecrypt.Read(fromEncrypt, 0, msDecrypt.ToArray().Length); //csDecrypt.Close(); MessageBox.Show(ASCIIEncoding.ASCII.GetString(fromEncrypt)); //Convert the buffer into a string and return it. return new ASCIIEncoding().GetString(fromEncrypt); } catch (CryptographicException e) { MessageBox.Show("A Cryptographic error occurred: {0}", e.Message); return null; } } }

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• Reading server error messages for a URLLoader

  - by Rudy

  Hello, I have an URL loader with the following code: public function getUploadURL():void { var request:URLRequest = new URLRequest(); var url:String = getPath(); // Adds time to prevent caching url += "&time=" + new Date().getTime(); request.url = url; request.method = URLRequestMethod.GET; _loader = new URLLoader(); _loader.dataFormat = URLLoaderDataFormat.TEXT; _loader.addEventListener(Event.COMPLETE, getBaseURL); _loader.addEventListener(IOErrorEvent.IO_ERROR, onGetUploadURLError); _loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, getHttpStatus); _loader.load(request); } My problem is that this request might be wrong, and so the server will give me a back a 400 Bad Request, with a message to explain the error. If the Event.COMPLETE, I can see some message (a response) back from the server in the "data" field of the Event, but if onGetUploadURLError or getHttpStatus is called, it just says that the error code is 400 but does not show me the message associated with it. The "data" field is undefined in getHttpStatus and it is "" in onGetUploadURLError. On the contrary, in getBaseURL, I get: {"ResponseMetadata":{...}} I checked and I do get a similar response in my browser for a wrong request, but I cannot see it. Any idea how I can please get the message? Thank you very much, Rudy

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• Jquery and Ajax Post issue

  - by Jerry

  Hello guys I am trying to add a click event on the element that is return from the server via ajax. Apparently, I have to attached my js file inside my return response instead of my main script. Is this the best practice? Do I have to create the separated js file to add event on the return text?? Example: My Jquery - selectWeek.js $(document).ready(function(){ //handle ajax.. var url="sendSchedule.php"; $.post( url, {week:input}, function(responseText){ $("#ajax").html(responseText); }, "html" ); // click on #add button $("#add").click(function(){ //do something return false; }); }); My main page <script type="text/javascript" src="JS/selectWeek.js"></script> </HEAD> <BODY> //the code that trigger ajax is omitted <div id=ajax> //the response text will be inserted here </div> </BODY> </HTML> response from the server // display html (omit) // Do I have to attach the same js file to let #add listen the event? <script type="text/javascript" src="JS/selectWeek.js"></script> <form> <input type='button' id='add' value='add'/> </form> I am not sure if i make my question clear. I want to know if I need to add events on the return text. Do I have to add js file link on the return text or there is a way to do it on the main page. Thanks for any reply.

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• I get error when trying to write response stream to a file

  - by MemphisDeveloper

  I am trying to test a rest webservice but when I do a post and try to retreive the save the response stream to a file I get an exception saying "Stream was not readable." What am I doing wrong? Public Sub PostAndRead() Dim flReader As FileStream = New FileStream("~\testRequest.xml", FileMode.Open, FileAccess.Read) Dim flWriter As FileStream = New FileStream("~\testResponse.xml", FileMode.Create, FileAccess.Write) Dim address As Uri = New Uri(restAddress) Dim req As HttpWebRequest = DirectCast(WebRequest.Create(address), HttpWebRequest) req.Method = "POST" req.ContentLength = flReader.Length req.AllowWriteStreamBuffering = True Dim reqStream As Stream = req.GetRequestStream() ' Get data from upload file to inData Dim inData(flReader.Length) As Byte flReader.Read(inData, 0, flReader.Length) ' put data into request stream reqStream.Write(inData, 0, flReader.Length) flReader.Close() reqStream.Close() ' Post Response req.GetResponse() ' Save results in a file Copy(req.GetRequestStream(), flWriter) End Sub

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• How to OCR a specific region of a MODI.Document?

  - by Mark Kadlec

  I need to OCR a specific region of a scanned document and I am using MODI (Microsoft's Document Imaging COM object). My code currently OCR's the entire page (quite accurately!), but I would like to target a specific region of the page where the text is always static (order number). How can I do this? Here is my code for the page: MODI.Document md = new MODI.Document(); md.Create("c:\\temp\\mpk.tiff"); md.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH, true, true); MODI.Image image = (MODI.Image)md.Images[0]; FileStream createFile = new FileStream("c:\\temp\\mpk.txt", FileMode.CreateNew); StreamWriter writeFile = new StreamWriter(createFile); writeFile.Write(image.Layout.Text); writeFile.Close(); md.Close(); Can I somehow specify the region of the image? Any help would be greatly appreciated!

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• how can read data in image uri

  - by satyamurthy

  hi sir i am implementing image upload then i got image uri how can read data in image uri File Img = new File(selectedImage.getPath()+inFileType); System.out.println("2............."+Img); FileInputStream is = null; try { is = new FileInputStream(Img); is.read(buffer); BufferedInputStream bis = new BufferedInputStream(is); Bitmap bm = BitmapFactory.decodeStream(is); bis.close(); is.close(); this code implementing i got uri how can read data

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• Connection to DB2 in Python

  - by Mestika

  Hi, I'm trying to create a database connection in a python script to my DB2 database. When the connection is done I've to run some different SQL statements. I googled the problem and has read the ibm_db API (http://code.google.com/p/ibm-db/wiki/APIs) but just can't seem to get it right. Here is what I got so far: import sys import getopt import timeit import multiprocessing import random import os import re import ibm_db import time from string import maketrans query_str = None conn = ibm_db.pconnect("dsn=write","usrname","secret") query_stmt = ibm_db.prepare(conn, query_str) ibm_db.execute(query_stmt, "SELECT COUNT(*) FROM accounts") result = ibm_db.fetch_assoc() print result status = ibm_db.close(conn) but I get an error. I really tried everything (or, not everything but pretty damn close) and I can't get it to work. I just need to make a automatic test python script that can test different queries with different indexes and so on and for that I need to create and remove indexes a long the way. Hope someone has a solutions or maybe knows about some example codes out there I can download and study. Thanks Mestika

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• I'm using the correct content type & Headers so Why is FireFox saving Zip Files without extensions

  - by The_AlienCoder

  Users on my site have the option to download all the photos in an album as a zip file.The Zip file is dynamically created and saved to Response.OutPutStream to be detected as a file download on the user's browser. Here is the Header and Content-type I am outputing context.Response.AddHeader("Content-Disposition", "attachment; filename=Photos.zip"); context.Response.ContentType = "application/x-zip-compressed"; ..Well everything works fine with every browser except FireFox. Although Firefox correctly detects the download as a Zip file, It saves the file without the .zip extension. I thought adding this header context.Response.AddHeader("Content-Disposition", "attachment; filename=Photos.zip"); ..is supposed to force FF to save the extension. I believe I am following the correct protocol so why is FF behaving this way and how do I fix this?

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• Old fashioned html onclick return false doesnt in IE work when jquery script included

  - by user292662

  Ok, so im quite new to jquery but found this bizzar problem just now, If we ignore jquery for a second and consider this scenario, if i have two links like below both with an href and both with and onclick event. The first link will not follow the href because the onclick returns false, and the second link will because the onclick returns true. <a href="/page.html" onclick="return false;">Dont follow</a> <a href="/page.html" onclick="return false;">Follow</a> This works just hunky dory in every browser as it should, the thing is, as soon as i include the jQuery script on the page this stops working in all versions of IE which then always follows the href whether the onclick returns false or not. (it continues to work fine in other browsers) Now if i add an event using jquery and call .preventDefault() on the event object instead of doing it the old fashioned way this behaves correctly, and you may say, well just do that then? But i have a site with thousands of lines of code and i am adding jquery support, i dont want to run the risk that i might miss an already defined html onclick="" and break the website. I cant see why jQuery should prevent perfectly normal javascript concepts from working, so is this a jQuery bug or am I missing something?

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