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• Can't see why JavaMail doesn't work in a Spring MVC application on Tomcat

  - by Kartoch

  I have wrote a small web application using Spring MVC. It runs on tomcat and use the JavaMail library. At the present time I can't find why the mails are not sent. But I have no pertinent log messages in tomcat log files to find where is the problem. At the present time, my logging is configured in a log4j.properties file in the root of my CLASSPATH: log4j.rootLogger= DEBUG, CONSOLE log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout log4j.appender.CONSOLE.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n How can i see the java mail log message in debug mode ? I think it is related to JDK logging system (as I'm using Sun's JavaMail) but I don't know how to configure it. Edit: Well, one problem solves and another arises. I change my bean definition to include debug support for javamail: mail.debug=true But still no pertinent info in it: DEBUG: JavaMail version 1.4.1ea-SNAPSHOT DEBUG: not loading file: /usr/lib/jvm/java-6-sun-1.6.0.12/jre/lib/javamail.providers DEBUG: java.io.FileNotFoundException: /usr/lib/jvm/java-6-sun-1.6.0.12/jre/lib/javamail.providers (No such file or directory) DEBUG: !anyLoaded DEBUG: not loading resource: /META-INF/javamail.providers DEBUG: successfully loaded resource: /META-INF/javamail.default.providers DEBUG: Tables of loaded providers DEBUG: Providers Listed By Class Name:{com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc]} DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]} DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map DEBUG: !anyLoaded DEBUG: not loading resource: /META-INF/javamail.address.map DEBUG: not loading file: /usr/lib/jvm/java-6-sun-1.6.0.12/jre/lib/javamail.address.map DEBUG: java.io.FileNotFoundException: /usr/lib/jvm/java-6-sun-1.6.0.12/jre/lib/javamail.address.map (No such file or directory)

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• WCF - Windows authentication - Security settings require Anonymous...

  - by Rashack

  Hi, I am struggling hard with getting WCF service running on IIS on our server. After deployment I end up with an error message: Security settings for this service require 'Anonymous' Authentication but it is not enabled for the IIS application that hosts this service. I want to use Windows authentication and thus I have Anonymous access disabled. Also note that there is aspNetCompatibilityEnabled (if that makes any difference). Here's my web.config: <system.serviceModel> <serviceHostingEnvironment aspNetCompatibilityEnabled="true" /> <bindings> <webHttpBinding> <binding name="default"> <security mode="TransportCredentialOnly"> <transport clientCredentialType="Windows" proxyCredentialType="Windows"/> </security> </binding> </webHttpBinding> </bindings> <behaviors> <endpointBehaviors> <behavior name="AspNetAjaxBehavior"> <enableWebScript /> <webHttp /> </behavior> </endpointBehaviors> <serviceBehaviors> <behavior name="defaultServiceBehavior"> <serviceMetadata httpGetEnabled="true" httpsGetEnabled="false" /> <serviceDebug includeExceptionDetailInFaults="true" /> <serviceAuthorization principalPermissionMode="UseWindowsGroups" /> </behavior> </serviceBehaviors> </behaviors> <services> <service name="xxx.Web.Services.RequestService" behaviorConfiguration="defaultServiceBehavior"> <endpoint behaviorConfiguration="AspNetAjaxBehavior" binding="webHttpBinding" contract="xxx.Web.Services.IRequestService" bindingConfiguration="default"> </endpoint> <endpoint address="mex" binding="mexHttpBinding" name="mex" contract="IMetadataExchange"></endpoint> </service> </services> </system.serviceModel> I have searched all over the internet with no luck. Any clues are greatly appreciated.

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• MapItemsControls not updating Silverlight Bing Map

  - by Matt

  I'm using a MapItemsControl to control my Pushpin items within my Bing silverlight map. Right on the page load, I add a new pin programatically, and the pin shows up on the map. However I've now taken it further and I'm adding pins to my datasource via a click on the map. The new pins add to my datasource, but do not show up on the map. Do I need to rebind my datasource to my map control or somehow refresh the datasource? Here's some code <UserControl.Resources> <DataTemplate x:Key="PinData"> <m:Pushpin Location="{Binding Location}" PositionOrigin="BottomCenter" Width="Auto" Height="Auto" Cursor="Hand"> <m:Pushpin.Template> <ControlTemplate> <Grid> <myTestApp:MasterPin DataContext="{Binding}"/> </Grid> </ControlTemplate> </m:Pushpin.Template> </m:Pushpin> </DataTemplate> </UserControl.Resources> <Grid x:Name="LayoutRoot" Background="White"> <m:Map x:Name="myMap" CredentialsProvider="" Mode="Road" ScaleVisibility="Collapsed" > <m:MapItemsControl x:Name="mapItems" ItemTemplate="{StaticResource PinData}"/> </m:Map> </Grid> public partial class Map : UserControl { private List< BasePin > dataSource = new List< BasePin >(); public Map() { InitializeComponent(); _Initialize(); } private void _Initialize() { //this part works and adds a pin to the map dataSource.Add( new BaseSite( -33.881532, 18.440208 ) ); myMap.MouseClick += Map_MouseClick; mapItems.ItemsSource = dataSource; } public void Map_MouseClick(object sender, MapMouseEventArgs e)) { BasePin pin = new BasePin(); pin.Location = myMap.ViewportPointToLocation( e.ViewportPoint ); dataSource.Add( pin ); } }

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• Dojo JsonRest store and dijit.Tree

  - by user1427712

  I'm having a some problem making JSonRest store and dijit.Tree with ForestModel. I've tried some combination of JsonRestStore and json data format following many tips on the web, with no success. At the end, taking example form here http://blog.respondify.se/2011/09/using-dijit-tree-with-the-new-dojo-object-store/ I've made up this simple page (I'm using dojotolkit 1.7.2) <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Tree Model Explorer</title> <script type="text/javascript"> djConfig = { parseOnLoad : true, isDebug : true, } </script> <script type="text/javascript" djConfig="parseOnLoad: true" src="lib/dojo/dojo.js"></script> <script type="text/javascript"> dojo.require("dojo.parser"); dojo.require("dijit.Tree"); dojo.require("dojo.store.JsonRest"); dojo.require("dojo.data.ObjectStore"); dojo.require("dijit.tree.ForestStoreModel"); dojo.addOnLoad(function() { var objectStore = new dojo.store.JsonRest({ target : "test.json", labelAttribute : "name", idAttribute: "id" }); var dataStore = new dojo.data.ObjectStore({ objectStore : objectStore }); var treeModel = new dijit.tree.ForestStoreModel({ store : dataStore, deferItemLoadingUntilExpand : true, rootLabel : "Subjects", query : { "id" : "*" }, childrenAttrs : [ "children" ] }); var tree = new dijit.Tree({ model : treeModel }, 'treeNode'); tree.startup(); }); </script> </head> <body> <div id="treeNode"></div> </body> </html> My rest service responds the following json { data: [ { "id": "PippoId", "name": "Pippo", "children": [] }, { "id": "PlutoId", "name": "Pluto", "children": [] }, { "id": "PaperinoId", "name": "Paperino", "children": [] } ]} I've tried also with the following response (actually my final intention n is to use lazy loading for the tree) { data: [ { "id": "PippoId", "name": "Pippo", "$ref": "author0", "children": true }, { "id": "PlutoId", "name": "Pluto", "$ref": "author1", "children": true }, { "id": "PaperinoId", "name": "Paperino", "$ref": "author2", "children": true } ]} Neither of the two works. I see no error message in firebug. I simply see the root "Subject" on the page. Thanks to anybody could help in some way.

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• Failed to load viewstate

  - by Jen

  OK have just started getting this error and I'm not sure why. I have a hosting page which has listview and a panel with a usercontrol. The listview loads up records with a linkbutton. You click the link button to edit that particular record - which gets loaded up in the formview (within the usercontrol) which goes to edit mode. After an update occurs in the formview I'm triggering an event which my hosting page is listening for. The hosting page then rebinds the listview to show the updated data. So this all works - but when I then go to click on a different linkbutton I get the below error: Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3) Timestamp: Fri, 18 Jun 2010 03:15:54 UTC Message: Sys.WebForms.PageRequestManagerServerErrorException: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request. Line: 4723 Char: 21 Code: 0 URI: http://localhost:1951/AdminWebSite/ScriptResource.axd?d=yfdLw4zYs0bqYqs1arL-htap1ceeKCyW1EXhrhMZy_AqJ36FUpx8b2pzMKL6V7ebYsgJDVm_sZ_ykV1hNtFqgYcJCLLtardHm9-yyA7zC4k1&t=ffffffffec2d9970 Any suggestions as to what is actually wrong?? My event listener does this: protected void RatesEditDate1_EditDateRateUpdated() { if (IsDateRangeValid(txtDisplayFrom, txtDisplayTo)) { PropertyAccommodationRates1.DataBind(); } else { pnlViewAccommodationRates.Visible = false; } divEditRate.Visible = false; } When I click my link button - it should be hitting this but the second time round it errors before hitting the breakpoint: protected void RatesEditDate1_EditDateRateSelected(DateTime theDateTime) { // make sure everything else is invisible pnlAddAccommodation.Visible = false; pnlViewEditAccommodations.Visible = false; RatesEditDate1.TheDateTime = theDateTime; RatesEditDate1.PropertyID = (int)Master.PropertyId; if (!String.IsNullOrEmpty(Accommodations1.SelectedValue)) { RatesEditDate1.AccommodationTypeID = Convert.ToInt32(Accommodations1.SelectedValue); } else { RatesEditDate1.AccommodationTypeID = 0; } divEditRate.Visible = true; } So my listview appears to be being rebound successfully - I can see my changed data.. I just don't know why its complaining about viewstate when I click on the linkbutton. Or is there a better way to update the data in my listview? My listview and formview are bound to objectdata sources (in case that matters) Thanks for the help!

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• WCF - Multiple schema HTTP and HTTPS in the same service

  - by Ender

  I am trying to set up WCF service in production. The service has two bindings with two different interfaces. One endpoint (basicHttpBinding) is set up at HTTP and the other endpoint (wsHttpBinding) is set up securely over SSL. I can't get this scenario to work. Everything works with no problem if both endpoints are set up over HTTP. Before I even get into the specifics of errors I get, is is possible to run secure and insecure endpoint over the same service ? Here is a brief description of my configuration: <serviceBehaviors> <behavior name="MyServiceBehavior"> <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" /> <serviceCredentials> <serviceCertificate findValue="123312123123123123123399451b178" storeLocation="LocalMachine" storeName="My" x509FindType="FindByThumbprint" /> <issuedTokenAuthentication allowUntrustedRsaIssuers="true"/> </serviceCredentials> </behavior> </serviceBehaviors> <bindings> <basicHttpBinding> <binding name="basicHttpBinding" maxReceivedMessageSize="2147483647"> </binding> </basicHttpBinding> <wsHttpBinding> <binding name="wsHttpBinding" maxReceivedMessageSize="2147483647"> <security mode="TransportWithMessageCredential"> <message clientCredentialType="UserName" establishSecurityContext="False"/> </security> </binding> </wsHttpBinding> </bindings> <services> <service behaviorConfiguration="MyServiceBehavior" name="MyService"> <endpoint binding="wsHttpBinding" bindingConfiguration="wsHttpBinding" contract="IMyService1"> </endpoint> <endpoint address="mms" binding="basicHttpBinding" bindingConfiguration="basicHttpBinding" contract="IMyService2"> </endpoint> <endpoint address="mex" listenUri="" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> Thanks !

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• channel factory null on debug?

  - by Garrith

  When I try to invoke a GetData contract using wcf rest in wcf test client mode I get this message: The Address property on ChannelFactory.Endpoint was null. The ChannelFactory's Endpoint must have a valid Address specified. at System.ServiceModel.ChannelFactory.CreateEndpointAddress(ServiceEndpoint endpoint) at System.ServiceModel.ChannelFactory`1.CreateChannel() at System.ServiceModel.ClientBase`1.CreateChannel() at System.ServiceModel.ClientBase`1.CreateChannelInternal() at System.ServiceModel.ClientBase`1.get_Channel() at Service1Client.GetData(String value) This is the config file for the host: <system.serviceModel> <services> <service name="WcfService1.Service1" behaviorConfiguration="WcfService1.Service1Behavior"> <!-- Service Endpoints --> <endpoint address="http://localhost:26535/Service1.svc" binding="webHttpBinding" contract="WcfService1.IService1" behaviorConfiguration="webHttp" > <!-- Upon deployment, the following identity element should be removed or replaced to reflect the identity under which the deployed service runs. If removed, WCF will infer an appropriate identity automatically. --> <identity> <dns value="localhost"/> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WcfService1.Service1Behavior"> <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment --> <serviceMetadata httpGetEnabled="true"/> <!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information --> <serviceDebug includeExceptionDetailInFaults="false"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="webHttp"> <webHttp/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> </configuration> Code: [ServiceContract(Namespace = "")] public interface IService1 { //[WebInvoke(Method = "POST", UriTemplate = "Data?value={value}")] [OperationContract] [WebGet(UriTemplate = "/{value}")] string GetData(string value); [OperationContract] CompositeType GetDataUsingDataContract(CompositeType composite); // TODO: Add your service operations here } public class Service1 : IService1 { public string GetData(string value) { return string.Format("You entered: {0}", value); }

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• Using FFMPEG to reliably convert videos to mp4 for iphone/ipod and flash players

  - by Jake Stevenson

  I need to convert videos for use in both a flash player and the iphone/ipod touch. I'm using the following batch script with ffmpeg: @echo off ffmpeg.exe -i %1 -s qvga -acodec libfaac -ar 22050 -ab 128k -vcodec libx264 -threads 0 -f ipod %2 This always outputs an mp4 file, and I can always play it on my PC. The videos also seem to play fine on my iphone 3GS. But with some input files it won't work for older iphone versions (3G and iPod touch). Here's the ffmpeg output from one such file: D:\ffmpeg>encode.bat d:\temp\recording.flv d:\temp\out.m4v FFmpeg version SVN-r18709, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl e-libfaac --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid - -enable-libschroedinger --enable-libx264 libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.27. 0 / 52.27. 0 libavformat 52.32. 0 / 52.32. 0 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 1 / 0. 7. 1 built on Apr 28 2009 04:04:42, gcc: 4.2.4 [flv @ 0x187d650]skipping flv packet: type 18, size 164, flags 0 Input #0, flv, from 'd:\temp\recording.flv': Duration: 00:00:07.17, start: 0.001000, bitrate: N/A Stream #0.0: Video: flv, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc Stream #0.1: Audio: nellymoser, 44100 Hz, mono, s16 [libx264 @ 0x13518b0]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE 4.2 [libx264 @ 0x13518b0]profile Baseline, level 4.2 Output #0, ipod, to 'd:\temp\out.m4v': Stream #0.0: Video: libx264, yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 1k tbc Stream #0.1: Audio: libfaac, 22050 Hz, mono, s16, 128 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding frame= 90 fps= 0 q=-1.0 Lsize= 128kB time=6.87 bitrate= 152.4kbits/s video:92kB audio:32kB global headers:1kB muxing overhead 2.620892% [libx264 @ 0x13518b0]slice I:8 Avg QP:29.62 size: 7047 [libx264 @ 0x13518b0]slice P:82 Avg QP:30.83 size: 467 [libx264 @ 0x13518b0]mb I I16..4: 17.9% 0.0% 82.1% [libx264 @ 0x13518b0]mb P I16..4: 0.6% 0.0% 0.0% P16..4: 23.1% 0.0% 0.0% 0.0% 0.0% skip:76.3% [libx264 @ 0x13518b0]final ratefactor: 57.50 [libx264 @ 0x13518b0]SSIM Mean Y:0.9544735 [libx264 @ 0x13518b0]kb/s:8412.6 My suspicion is that it has something to do with the audio encoding. If so, does anyone know how to force it to reencode the audio to the proper format? Any other ideas?

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• Uploadify Hanging at random on 100%

  - by Matty

  I am using Uploadify (http://www.uploadify.com/) to enable my users to upload images via my web application. The problem I am having is that every now and then (at what appears to be random) when the progress bar reaches 100% it 'hangs' and does nothing. I was wondering if any developers familiar with uploadify may have any idea how to solve this? I am in desperate need of some help. Here is my front-end code: jQuery(document).ready(function() { jQuery("#uploadify").uploadify({ 'uploader' : 'javascripts/uploadify.swf', 'script' : 'upload-file2.php', 'cancelImg' : 'css/images/cancel.png', 'folder' : 'uploads/personal_images/' + profileOwner, 'queueID' : 'fileQueue', 'auto' : true, 'multi' : true, 'fileDesc' : 'Image files', 'fileExt' : '.jpg;.jpeg;.gif;.png', 'sizeLimit' : '2097152', 'onComplete': function(event, queueID, fileObj, response, data) { processPersonalImage(fileObj.name); arrImgNames.push(fileObj.name); showUploadedImages(true); document.getElementById("photos").style.backgroundImage = "url('css/images/minicam.png')"; }, 'onAllComplete' : function() { completionMessage(arrFailedNames); document.getElementById("displayImageButton").style.display = "inline"; document.getElementById("photos").style.backgroundImage = "url('css/images/minicam.png')"; }, 'onCancel' : function() { arrImgNames.push(fileObj.name); arrFailedNames.push(fileObj.name); showUploadedImages(false); }, 'onError' : function() { arrImgNames.push(fileObj.name); arrFailedNames.push(fileObj.name); showUploadedImages(false); } }); }); And server side: if (!empty($_FILES)) { //Get user ID from the file path for use later.. $userID = getIdFromFilePath($_REQUEST['folder'], 3); $row = mysql_fetch_assoc(getRecentAlbum($userID, "photo_album_personal")); $subFolderName = $row['pk']; //Prepare target path / file.. $tempFile = $_FILES['Filedata']['tmp_name']; $targetPath = $_SERVER['DOCUMENT_ROOT'] . $_REQUEST['folder'] . '/'.$subFolderName.'/'; $targetFile = str_replace('//','/',$targetPath) . $_FILES['Filedata']['name']; //Move uploaded file from temp directory to new folder move_uploaded_file($tempFile,$targetFile); //Now add a record to DB to reflect this personal image.. if(file_exists($targetFile)) { //add photo record to DB $directFilePath = $_REQUEST['folder'] . '/'.$subFolderName.'/' . $_FILES['Filedata']['name']; addPersonalPhotoRecordToDb($directFilePath, $row['pk']); } echo "1"; die(true); } thanks for any help!!

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• Browser connects to WCF service but not my WCF client. What can be the reason?

  - by Slauma

  On a production server (Windows Server 2003 SP2) I can connect to a remote WCF service with Internet Explorer 8: When I browse to the URL http://www.domain.com/Service.svc (where my service listens) I get the expected info page of the service displayed. Connection settings in Internet Explorer only specify "auto detect", proxy settings are disabled. If I start a console application (built with WCF in .NET 4.0) on the same server which also tries to connect to the same WCF service it fails telling me that no endpoint was available listening on http://www.domain.com/Service.svc. Configuration of the WCF client: <configuration> <system.serviceModel> <bindings> <wsHttpBinding> <binding name="WSHttpBinding_IMyService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /> <security mode="None"> <transport clientCredentialType="Windows" proxyCredentialType="None" realm="" /> <message clientCredentialType="Windows" negotiateServiceCredential="true"/> </security> </binding> </wsHttpBinding> </bindings> <client> <endpoint address="http://www.domain.com/Service.scv" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IMyService" contract="Service.IMyService" name="WSHttpBinding_IMyService" /> </client> </system.serviceModel> <configuration> With these settings I can communicate successfully with the remote service from my development machine. Looking around for other options I found that I can specify to use the Internet Explorer proxy settings with: <system.net> <defaultProxy> <proxy usesystemdefault="true" /> </defaultProxy> </system.net> It didn't work and I am not sure if I understood this setting really correctly. (My hope was that the WCF client will adopt the "autodetect" setting of Internet Explorer and then connect the same way to the service like the installed IE.) I also had toggled the useDefaultWebProxy setting in the binding configuration between true and false with no success. Now I am asking for help what I can do? Which settings might be wrong or missing? What could I test and how can I get more detailed error messages to better identify the problem? Thank you in advance!

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• WCF help, how can I expose a service over http, that calls another service over net.tcp?

  - by Hcabnettek

  Hi All, I have a WCF .svc file hosted in IIS. I want to use basicHTTP binding. This services job is to actually call another service over net.tcp. Everything works fine locally, but when I deployed, I'm getting this error. The provided URI scheme 'http' is invalid; expected 'net.tcp'. Parameter name: via Here is the server config <client> <endpoint address="net.tcp://localhost:9300/InternalInterfaceService" binding="netTcpBinding" bindingConfiguration="NetTcpBinding_IInternalInterfaceService" contract="IInternalInterfaceService" name="NetTcpBinding_IInternalInterfaceService"> <identity> <servicePrincipalName value="localhost" /> </identity> </endpoint> </client> <services> <service name="MyExternalService"> <endpoint address="" binding="basicHttpBinding" contract="IMyExternalService" /> </service> </services> And here is the config that svcutil generates <system.serviceModel> <bindings> <basicHttpBinding> <binding name="BasicHttpBinding_IMyExternalService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <security mode="None"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="http://myserver.somesdomain.com/Services/MyExternalService.svc" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IMyExternalService" contract="IMyInternalService" name="BasicHttpBinding_IMyExternalService" /> </client> </system.serviceModel> What do I need to do to wire this up correctly. I do not want to expose InternalInterfaceService over http. What am I doing incorrectly here? Any tips or suggestions are certainly appreciated. Thanks, ~ck

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• How does this ajax call persist DOM changes in the browser cache?

  - by Greg

  For the purpose of the question I need to create a simple fictitious scenario. I have the following trivial page with one link, call it page A: <a class="red-anchor" onclick="change_color(event);" href="http://mysite.com/b/">B</a> With the associated Javascript function: function change_color(e) { var event = e || window.event; var link = event.target; link.className = "green-anchor"; } And I have the appropriate CSS to make the anchor red or green based on the classname. This is working. That is, when I click the anchor it changes color from red to green, which is briefly visible before the browser loads page B. But if I then use the BACK button to return to page A I get different behavior in different browsers. In Safari, the anchor is still green (desired behavior) In Firefox it reverts to red I imagine that Safari is somehow updating its cached version of the page, whereas Firefox isn't. So my first question is: is there any way to get FF to update the cached page, or is something else happening here? Secondly: I have a different implementation where I use an ajax call. In this I set the class of the anchor using a session variable, something like... <a class="<?php echo $_SESSION["color"]; ?>" ...[snip]... >B</a> And the javascript function makes an additional ajax call that changes the "color" session variable. In this case both Safari and Firefox work as expected. When going back from B to A the color is still green. But I can't for the life of me figure out why it should be different to the non-ajax case. I have tried many different permutations and for it to work on FF the "color" session variable MUST change (i.e. the ajax call itself is not somehow reloading the cache). But on coming BACK, the page is being reloaded from the cache (verified in Firebug), so how is the page even accessing this session variable if it isn't reprocessing the page and running that fragment of php in the anchor? I figure there must be something fundamental here that I am not understanding. Any insight would be much appreciated.

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• Hooking DirectX EndScene from an injected DLL

  - by Etan

  I want to detour EndScene from an arbitrary DirectX 9 application to create a small overlay. As an example, you could take the frame counter overlay of FRAPS, which is shown in games when activated. I know the following methods to do this: Creating a new d3d9.dll, which is then copied to the games path. Since the current folder is searched first, before going to system32 etc., my modified DLL gets loaded, executing my additional code. Downside: You have to put it there before you start the game. Same as the first method, but replacing the DLL in system32 directly. Downside: You cannot add game specific code. You cannot exclude applications where you don't want your DLL to be loaded. Getting the EndScene offset directly from the DLL using tools like IDA Pro 4.9 Free. Since the DLL gets loaded as is, you can just add this offset to the DLL starting address, when it is mapped to the game, to get the actual offset, and then hook it. Downside: The offset is not the same on every system. Hooking Direct3DCreate9 to get the D3D9, then hooking D3D9-CreateDevice to get the device pointer, and then hooking Device-EndScene through the virtual table. Downside: The DLL cannot be injected, when the process is already running. You have to start the process with the CREATE_SUSPENDED flag to hook the initial Direct3DCreate9. Creating a new Device in a new window, as soon as the DLL gets injected. Then, getting the EndScene offset from this device and hooking it, resulting in a hook for the device which is used by the game. Downside: as of some information I have read, creating a second device may interfere with the existing device, and it may bug with windowed vs. fullscreen mode etc. Same as the third method. However, you'll do a pattern scan to get EndScene. Downside: doesn't look that reliable. How can I hook EndScene from an injected DLL, which may be loaded when the game is already running, without having to deal with different d3d9.dll's on other systems, and with a method which is reliable? How does FRAPS for example perform it's DirectX hooks? The DLL should not apply to all games, just to specific processes where I inject it via CreateRemoteThread.

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• Eclipse Dynamic Web Project fails to load under WTP

  - by Cue

  When trying to run an Eclipse Dynamic Web Project under a Tomcat setup using WTP, it fails with the attached stacktrace. Checklist At the project properties, under "Java EE Module Dependencies" I have checked the "Maven Dependencies" At the wtp deploy directory, under lib indeed all dependencies are present (esp. struts-taglib-1.3.10.jar) On the other hand, if I package with maven and copy the war file under the webapps directory everything is working as normal. Specification Eclipse JEE Galileo SR2 (with WTP 3.1.1) Tomcat 6.0.26 Java(TM) SE Runtime Environment (build 1.6.0_17-b04-248-10M3025) Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01-101, mixed mode) stacktrace org.apache.jasper.JasperException: Unable to read TLD "META-INF/tld/struts-html-el.tld" from JAR file "file:/Users/cue/Development/workspace/eclipse/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/wtpwebapps/ticketing/WEB-INF/lib/struts-el-1.3.10.jar": org.apache.jasper.JasperException: Failed to load or instantiate TagExtraInfo class: org.apache.struts.taglib.html.MessagesTei at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:181) at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:182) at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:383) at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:446) at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1393) at org.apache.jasper.compiler.Parser.parse(Parser.java:130) at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:255) at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:185) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:347) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:327) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:637)

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• jquery and requirejs and knockout; reference requirejs object from within itself

  - by Thomas

  We use jquery and requirejs to create a 'viewmodel' like this: define('vm.inkoopfactuurAanleveren', ['jquery', 'underscore', 'ko', 'datacontext', 'router', 'messenger', 'config', 'store'], function ($, _, ko, datacontext, router, messenger, config, store) { var isBusy = false, isRefreshing = false, inkoopFactuur = { factuurNummer: ko.observable("AAA") }, activate = function (routeData, callback) { messenger.publish.viewModelActivated({ canleaveCallback: canLeave }); getNewInkoopFactuurAanleveren(callback); var restricteduploader = new qq.FineUploader({ element: $('#restricted-fine-uploader')[0], request: { endpoint: 'api/InkoopFactuurAanleveren', forceMultipart: true }, multiple: false, failedUploadTextDisplay: { mode: 'custom', maxChars: 250, responseProperty: 'error', enableTooltip: true }, text: { uploadButton: 'Click or Drop' }, showMessage: function (message) { $('#restricted-fine-uploader').append('<div class="alert alert-error">' + message + '</div>'); }, debug: true, callbacks: { onComplete: function (id, fileName, responseJSON) { var response = responseJSON; }, } }); }, invokeFunctionIfExists = function (callback) { if (_.isFunction(callback)) { callback(); } }, loaded = function (factuur) { inkoopFactuur = factuur; var ids = config.viewIds; ko.applyBindings(this, getView(ids.inkoopfactuurAanleveren)); /*<----- THIS = OUT OF SCOPE!*/ / }, bind = function () { }, saved = function (success) { var s = success; }, saveCmd = ko.asyncCommand({ execute: function (complete) { $.when(datacontext.saveNewInkoopFactuurAanleveren(inkoopFactuur)) .then(saved).always(complete); return; }, canExecute: function (isExecuting) { return true; } }), getView = function (viewName) { return $(viewName).get(0); }, getNewInkoopFactuurAanleveren = function (callback) { if (!isRefreshing) { isRefreshing = true; $.when(datacontext.getNewInkoopFactuurAanleveren(dataOptions(true))).then(loaded).always(invokeFunctionIfExists(callback)); isRefreshing = false; } }, dataOptions = function (force) { return { results: inkoopFactuur, // filter: sessionFilter, //sortFunction: sort.sessionSort, forceRefresh: force }; }, canLeave = function () { return true; }, forceRefreshCmd = ko.asyncCommand({ execute: function (complete) { //$.when(datacontext.sessions.getSessionsAndAttendance(dataOptions(true))) // .always(complete); complete; } }), init = function () { // activate(); // Bind jQuery delegated events //eventDelegates.sessionsListItem(gotoDetails); //eventDelegates.sessionsFavorite(saveFavorite); // Subscribe to specific changes of observables //addFilterSubscriptions(); }; init(); return { activate: activate, canLeave: canLeave, inkoopFactuur: inkoopFactuur, saveCmd: saveCmd, forceRefreshCmd: forceRefreshCmd, bind: bind, invokeFunctionIfExists: invokeFunctionIfExists }; }); On the line ko.applyBindings(this, getView(ids.inkoopfactuurAanleveren)); in the 'loaded' method the 'this' keyword doens't refer to the 'viewmodel' object. the 'self' keyword seems to refer to a combination on methods found over multiple 'viewmodels'. The saveCmd property is bound through knockout, but gives an error since it cannot be found. How can the ko.applyBindings get the right reference to the viewmodel? In other words, with what do we need to replace the 'this' keyword int he applyBindings. I would imagine you can 'ask' requirejs to give us the ealiers instantiated object with identifier 'vm.inkoopfactuurAanleveren' but I cannot figure out how.

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• Flash AS3 blur or liquify part of an image with mouse

  - by hamlet

  Hi, I am very beginner in flash. I want to load an image, show a cursor over the image and on mousedown I want to blur that actual part of the image. (e.g you can blur your face on the image and then save the new image). I can delete parts of the image with white line, but I would like to blur it instead // LIVE JPEG ENCODER 0.3 // from bytearray.org import asfiles.encoding.JPEGEncoder; import flash.external.ExternalInterface; ExternalInterface.addCallback("flash_saveImage", inflash_saveImage); var loader:Loader = new Loader(); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, handleComplete); loader.load(new URLRequest(loaderInfo.parameters._filename)); //loader.load(new URLRequest("b.jpg")); var container_mc:MovieClip = new MovieClip;//create movieclip function handleComplete(e:Event):void { addChild(container_mc); var bitmapData:BitmapData = Bitmap(e.target.content).bitmapData; var matrix:Matrix = new Matrix(); container_mc.graphics.clear(); container_mc.graphics.beginBitmapFill(bitmapData, matrix, false); //container_mc.graphics.beginFill(0xFFFFFF,0); container_mc.graphics.drawRect(0, 0, bitmapData.width, bitmapData.height); container_mc.graphics.endFill(); swapChildren(container_mc, pencil); container_mc.addEventListener(MouseEvent.MOUSE_DOWN, startDrawing); container_mc.addEventListener(MouseEvent.MOUSE_UP, stopDrawing); container_mc.addEventListener(MouseEvent.MOUSE_MOVE, makeLine); } stage.addEventListener(MouseEvent.MOUSE_MOVE, moveCursor); Mouse.hide(); function moveCursor(event:MouseEvent):void { pencil.x = event.stageX; pencil.y = event.stageY; } function startDrawing(event:MouseEvent):void{ container_mc.graphics.lineStyle(20, 0xFFFFFF, 1); container_mc.graphics.moveTo(mouseX, mouseY); container_mc.addEventListener(MouseEvent.MOUSE_MOVE, makeLine); } function stopDrawing(event:MouseEvent):void{ container_mc.removeEventListener(MouseEvent.MOUSE_MOVE, makeLine); } function makeLine(event:MouseEvent):void{ container_mc.graphics.lineTo(mouseX, mouseY); } function inflash_saveImage ( ):void { var myURLLoader:URLLoader = new URLLoader(); var myBitmapSource:BitmapData = new BitmapData ( container_mc.width, container_mc.height ); // render the player as a bitmapdata myBitmapSource.draw ( container_mc ); // create the encoder with the appropriate quality var myEncoder:JPEGEncoder = new JPEGEncoder( 80 ); // generate a JPG binary stream to have a preview var myCapStream:ByteArray = myEncoder.encode ( myBitmapSource ); var header:URLRequestHeader = new URLRequestHeader ("Content-type", "application/octet-stream"); var myRequest:URLRequest = new URLRequest ( "save.php" ); myRequest.requestHeaders.push (header); myRequest.method = URLRequestMethod.POST; myRequest.data = myCapStream; myURLLoader.load ( myRequest ); } Thanks, hamlet

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• DynamicMethod for ConstructorInfo.Invoke, what do I need to consider?

  - by Lasse V. Karlsen

  My question is this: If I'm going to build a DynamicMethod object, corresponding to a ConstructorInfo.Invoke call, what types of IL do I need to implement in order to cope with all (or most) types of arguments, when I can guarantee that the right type and number of arguments is going to be passed in before I make the call? Background I am on my 3rd iteration of my IoC container, and currently doing some profiling to figure out if there are any areas where I can easily shave off large amounts of time being used. One thing I noticed is that when resolving to a concrete type, ultimately I end up with a constructor being called, using ConstructorInfo.Invoke, passing in an array of arguments that I've worked out. What I noticed is that the invoke method has quite a bit of overhead, and I'm wondering if most of this is just different implementations of the same checks I do. For instance, due to the constructor matching code I have, to find a matching constructor for the predefined parameter names, types, and values that I have passed in, there's no way this particular invoke call will not end up with something it should be able to cope with, like the correct number of arguments, in the right order, of the right type, and with appropriate values. When doing a profiling session containing a million calls to my resolve method, and then replacing it with a DynamicMethod implementation that mimics the Invoke call, the profiling timings was like this: ConstructorInfo.Invoke: 1973ms DynamicMethod: 93ms This accounts for around 20% of the total runtime of this profiling application. In other words, by replacing the ConstructorInfo.Invoke call with a DynamicMethod that does the same, I am able to shave off 20% runtime when dealing with basic factory-scoped services (ie. all resolution calls end up with a constructor call). I think this is fairly substantial, and warrants a closer look at how much work it would be to build a stable DynamicMethod generator for constructors in this context. So, the dynamic method would take in an object array, and return the constructed object, and I already know the ConstructorInfo object in question. Therefore, it looks like the dynamic method would be made up of the following IL: l001: ldarg.0 ; the object array containing the arguments l002: ldc.i4.0 ; the index of the first argument l003: ldelem.ref ; get the value of the first argument l004: castclass T ; cast to the right type of argument (only if not "Object") (repeat l001-l004 for all parameters, l004 only for non-Object types, varying l002 constant from 0 and up for each index) l005: newobj ci ; call the constructor l006: ret Is there anything else I need to consider? Note that I'm aware that creating dynamic methods will probably not be available when running the application in "reduced access mode" (sometimes the brain just won't give up those terms), but in that case I can easily detect that and just calling the original constructor as before, with the overhead and all.

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• activeX component in axapta

  - by Nico

  hi folks, i'm struggling with an .net activeX i try to use in ms axapta 2009. using this component on my local machine where it was compiled, it's working quite fine. it can be added as activeX element on a form, the methods and events are listed in the axapta-activeX-explorer and i can interact with it without any problems. but trying to distribute the dll to other clients isn't working as intended. the registration of the dll via regasm /codebase /tlb works properly - getting the message, registration was successful. the component is also listed when selecting an activeX-element to add in ax, but neither functions nor properties are listed. and launching the form results in an errormessage - activeX component CLSID ... not found on system, not installed. the classID is indeed the one, defined in .net. strange things happen, having a look on the task-manager. the activeX-component itself is just a wrapper to interact with a com-application. when launching the ax-form with the not working and _not_installed_!! activeX-thing, the taskmanager shows a new process of the com-application, which is instanciated by the activeX :/ things i tried: using different versions of regasm, eg \Windows\Microsoft.NET\Framework\v2.0.50727 ; C:\Windows\Microsoft.NET\Framework64\v2.0.50727 using new GUIDs in .net, prior removing the old ones from the registry compiling, using different versions of the .net framework doing registration via regasm, regasm /codebase, regasm /codebase /tlb, using a visual-studio-setup running registration via command-line as administrator running setup as administrator running even ax as administrator on client-machine moving dll to a different folder followed by new registration ( windows/system32; ax/client/bin ) installing to GAC ( gacutil /i ) different project-options in visual studio ( COM-Visibility; register for COM-Interop; different targetPlatform ) hoped for the fact, that compiling in visual studio with register for COM-Interop option enabled does something more than just the regasm-registration, i used a registry-monitor-microsoft-tool for logging the registry-activity which happend during compilation. using these logs to create all registry-entries on the target-client in addition didn't work either. any hints or help would be so much appreciated! this thing is blocking me for days now :(

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• Problem with waveOutWrite and waveOutGetPosition deadlock

  - by MusiGenesis

  I'm working on an app that plays audio continuously using the waveOut... API from winmm.dll. The app uses "leapfrog" buffers, which are basically a bunch of arrays of samples that you dump into the audio queue. Windows plays them seamlessly in sequence, and as each buffer completes Windows calls a callback function. Inside this function, I load the next set of samples into the buffer, process them however, and then dump the buffer back into the audio queue. In this way, the audio plays indefinitely. For animation purposes, I'm trying to incorporate waveOutGetPosition into the application (since the "buffer done" callbacks are irregular enough to cause jerky animation). waveOutGetPosition returns the current position of playback, so it's hyper-precise. The problem is that in my application, making calls to waveOutGetPosition eventually causes the application to lock up - the sound stops and the call never returns. I've boiled things down to a simple app that demonstrates the problem. You can run the app here: http://www.musigenesis.com/SO/waveOut%20demo.exe If you just hear a tiny bit of piano over and over, it's working. It's just meant to demonstrate the problem. The source code for this project is here: http://www.musigenesis.com/SO/WaveOutDemo.zip The first button runs the app in leapfrog mode without making the calls to waveOutGetPosition. If you click this, the app will play forever without breaking (the X button will close it and shut it off). The second button starts the leapfrogger and also starts a forms timer that calls the waveOutGetPosition and displays the current position. Click this and the app will run for a short while and then lock up. On my laptop, it usually locks up in 15-30 seconds; at most it's taken a minute. I have no idea how to fix this, so any help or suggestions would be most welcome. I've found very few posts on this issue, but it seems that there is a potential deadlock, either from multiple calls to waveOutGetPosition or from calls to that and waveOutWrite that occur at the same time. It's possible that I'm calling this too frequently for the system to handle.

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• Python Ctypes Read/WriteProcessMemory() - Error 5/998 Help!

  - by user299805

  Please don't get scared but the following code, if you are familiar with ctypes or C it should be easy to read. I have been trying to get my ReadProcessMemory() and WriteProcessMemory() functions to be working for so long and have tried almost every possibility but the right one. It launches the target program, returns its PID and handle just fine. But I always get a error code of 5 - ERROR_ACCESS_DENIED. When I run the read function(forget the write for now). I am launching this program as what I believe to be a CHILD process with PROCESS_ALL_ACCESS or CREATE_PRESERVE_CODE_AUTHZ_LEVEL. I have also tried PROCESS_ALL_ACCESS and PROCESS_VM_READ when I open the handle. I can also say that it is a valid memory location because I can find it on the running program with CheatEngine. As for VirtualQuery() I get an error code of 998 - ERROR_NOACCESS which further confirms my suspicion of it being some security/privilege problem. Any help or ideas would be very appreciated, again, it's my whole program so far, don't let it scare you =P. from ctypes import * from ctypes.wintypes import BOOL import binascii BYTE = c_ubyte WORD = c_ushort DWORD = c_ulong LPBYTE = POINTER(c_ubyte) LPTSTR = POINTER(c_char) HANDLE = c_void_p PVOID = c_void_p LPVOID = c_void_p UNIT_PTR = c_ulong SIZE_T = c_ulong class STARTUPINFO(Structure): _fields_ = [("cb", DWORD), ("lpReserved", LPTSTR), ("lpDesktop", LPTSTR), ("lpTitle", LPTSTR), ("dwX", DWORD), ("dwY", DWORD), ("dwXSize", DWORD), ("dwYSize", DWORD), ("dwXCountChars", DWORD), ("dwYCountChars", DWORD), ("dwFillAttribute",DWORD), ("dwFlags", DWORD), ("wShowWindow", WORD), ("cbReserved2", WORD), ("lpReserved2", LPBYTE), ("hStdInput", HANDLE), ("hStdOutput", HANDLE), ("hStdError", HANDLE),] class PROCESS_INFORMATION(Structure): _fields_ = [("hProcess", HANDLE), ("hThread", HANDLE), ("dwProcessId", DWORD), ("dwThreadId", DWORD),] class MEMORY_BASIC_INFORMATION(Structure): _fields_ = [("BaseAddress", PVOID), ("AllocationBase", PVOID), ("AllocationProtect", DWORD), ("RegionSize", SIZE_T), ("State", DWORD), ("Protect", DWORD), ("Type", DWORD),] class SECURITY_ATTRIBUTES(Structure): _fields_ = [("Length", DWORD), ("SecDescriptor", LPVOID), ("InheritHandle", BOOL)] class Main(): def __init__(self): self.h_process = None self.pid = None def launch(self, path_to_exe): CREATE_NEW_CONSOLE = 0x00000010 CREATE_PRESERVE_CODE_AUTHZ_LEVEL = 0x02000000 startupinfo = STARTUPINFO() process_information = PROCESS_INFORMATION() security_attributes = SECURITY_ATTRIBUTES() startupinfo.dwFlags = 0x1 startupinfo.wShowWindow = 0x0 startupinfo.cb = sizeof(startupinfo) security_attributes.Length = sizeof(security_attributes) security_attributes.SecDescriptior = None security_attributes.InheritHandle = True if windll.kernel32.CreateProcessA(path_to_exe, None, byref(security_attributes), byref(security_attributes), True, CREATE_PRESERVE_CODE_AUTHZ_LEVEL, None, None, byref(startupinfo), byref(process_information)): self.pid = process_information.dwProcessId print "Success: CreateProcess - ", path_to_exe else: print "Failed: Create Process - Error code: ", windll.kernel32.GetLastError() def get_handle(self, pid): PROCESS_ALL_ACCESS = 0x001F0FFF PROCESS_VM_READ = 0x0010 self.h_process = windll.kernel32.OpenProcess(PROCESS_VM_READ, False, pid) if self.h_process: print "Success: Got Handle - PID:", self.pid else: print "Failed: Get Handle - Error code: ", windll.kernel32.GetLastError() windll.kernel32.SetLastError(10000) def read_memory(self, address): buffer = c_char_p("The data goes here") bufferSize = len(buffer.value) bytesRead = c_ulong(0) if windll.kernel32.ReadProcessMemory(self.h_process, address, buffer, bufferSize, byref(bytesRead)): print "Success: Read Memory - ", buffer.value else: print "Failed: Read Memory - Error Code: ", windll.kernel32.GetLastError() windll.kernel32.CloseHandle(self.h_process) windll.kernel32.SetLastError(10000) def write_memory(self, address, data): count = c_ulong(0) length = len(data) c_data = c_char_p(data[count.value:]) null = c_int(0) if not windll.kernel32.WriteProcessMemory(self.h_process, address, c_data, length, byref(count)): print "Failed: Write Memory - Error Code: ", windll.kernel32.GetLastError() windll.kernel32.SetLastError(10000) else: return False def virtual_query(self, address): basic_memory_info = MEMORY_BASIC_INFORMATION() windll.kernel32.SetLastError(10000) result = windll.kernel32.VirtualQuery(address, byref(basic_memory_info), byref(basic_memory_info)) if result: return True else: print "Failed: Virtual Query - Error Code: ", windll.kernel32.GetLastError() main = Main() address = None main.launch("C:\Program Files\ProgramFolder\Program.exe") main.get_handle(main.pid) #main.write_memory(address, "\x61") while 1: print '1 to enter an address' print '2 to virtual query address' print '3 to read address' choice = raw_input('Choice: ') if choice == '1': address = raw_input('Enter and address: ') if choice == '2': main.virtual_query(address) if choice == '3': main.read_memory(address) Thanks!

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• How does mysql define DISTINCT() in reference documentation

  - by goran

  EDIT: This question is about finding definitive reference to MySQL syntax on SELECT modifying keywords and functions. /EDIT AFAIK SQL defines two uses of DISTINCT keywords - SELECT DISTINCT field... and SELECT COUNT(DISTINCT field) ... However in one of web applications that I administer I've noticed performance issues on queries like SELECT DISTINCT(field1), field2, field3 ... DISTINCT() on a single column makes no sense and I am almost sure it is interpreted as SELECT DISTINCT field1, field2, field3 ... but how can I prove this? I've searched mysql site for a reference on this particular syntax, but could not find any. Does anyone have a link to definition of DISTINCT() in mysql or knows about other authoritative source on this? Best EDIT After asking the same question on mysql forums I learned that while parsing the SQL mysql does not care about whitespace between functions and column names (but I am still missing a reference). As it seems you can have whitespace between functions and the parenthesis SELECT LEFT (field1,1), field2... and get mysql to understand it as SELECT LEFT(field,1) Similarly SELECT DISTINCT(field1), field2... seems to get decomposed to SELECT DISTINCT (field1), field2... and then DISTINCT is taken not as some undefined (or undocumented) function, but as SELECT modifying keyword and the parenthesis around field1 are evaluated as if they were part of field expression. It would be great if someone would have a pointer to documentation where it is stated that the whitespace between functions and parenthesis is not significant or to provide links to apropriate MySQL forums, mailing lists where I could raise a question to put this into reference. EDIT I have found a reference to server option IGNORE SPACE. It states that "The IGNORE SPACE SQL mode can be used to modify how the parser treats function names that are whitespace-sensitive", later on it states that recent versions of mysql have reduced this number from 200 to 30. One of the remaining 30 is COUNT for example. With IGNORE SPACE enabled both SELECT COUNT(*) FROM mytable; SELECT COUNT (*) FROM mytable; are legal. So if this is an exception, I am left to conclude that normally functions ignore space by default. If functions ignore space by default then if the context is ambiguous, such as for the first function on a first item of the select expression, then they are not distinguishable from keywords and the error can not be thrown and MySQL must accept them as keywords. Still, my conclusions feel like they have lot of assumptions, I would still be grateful and accept any pointers to see where to follow up on this.

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• NSObjectController confusion binding to a class property. Help!

  - by scottw

  Hi, I'm teaching myself cocoa and enjoying the experience most of the time. I have been struggling all day with a simple problem that google has let me down on. I have read the Cocoa Bindings Program Topics and think I grok it but still can't solve my issue. I have a very simple class called MTSong that has various properties. I have used @synthesize to create getter/setters and can use KVC to change properties. i.e in my app controller the following works: mySong = [[MTSong alloc]init]; [mySong setValue:@"2" forKey:@"version"]; In case I am doing something noddy in my class code MTSong.h is: #import <Foundation/Foundation.h> @interface MTSong : NSObject { NSNumber *version; NSString *name; } @property(readwrite, assign) NSNumber *version; @property(readwrite, assign) NSString *name; @end and MTSong.m is: #import "MTSong.h" @implementation MTSong - (id)init { [super init]; return self; } - (void)dealloc { [super dealloc]; } @synthesize version; @synthesize name; @end In Interface Builder I have a label (NSTextField) that I want to update whenever I use KVC to change the version of the song. I do the following: Drag NSObjectController object into the doc window and in the Inspector-Attributes I set: Mode: Class Class Name: MTSong Add a key called version and another called name Go to Inspector-Bindings-Controller Content Bind To: File's Owner (Not sure this is right...) Model Key Path: version Select the cell of the label and go to Inspector Bind to: Object Controller Controller Key: mySong Model Key Path: version I have attempted changing the Model Key Path in step 2 to "mySong" which makes more sense but the compiler complains. Any suggestions would be greatly appreciated. Scott Update Post Comments I wasn't exposing mySong property so have changed my AppController.h to be: #import <Cocoa/Cocoa.h> @class MTSong; @interface AppController : NSObject { IBOutlet NSButton *start; IBOutlet NSTextField *tf; MTSong *mySong; } -(IBAction)convertFile:(id)sender; @end I suspect File's owner was wrong as I am not using a document based application and I need to bind to the AppController, so step 2 is now: Go to Inspector-Bindings-Controller Content Bind To: App Controller Model Key Path: mySong I needed to change 3. to Select the cell of the label and go to Inspector Bind to: Object Controller Controller Key: selection Model Key Path: version All compiles and is playing nice!

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• Reliable way of generating unique hardware ID

  - by mr.b

  Question: what's the best way to accomplish following. I have to come up with unique ID for each networked client, such that: it (ID) should persist once client software is installed on target computer, and should continue to persist if software is re-installed on same computer and same OS installment, it should not change if hardware configuration is modified in most ways (except changing the motherboard) When hard drive with client software installed is cloned to another computer with identical hardware configuration (or, as similar as possible), client software should be aware of that change. A little bit of explanation and some back-story: This question is basically age old question that also touches topic of software copy-protection, as some of mechanisms used in that area are mentioned here. I should be clear at this point that I'm not looking for a copy-protection scheme. Please, read on. :) I'm working on a client-server software that is supposed to work in local network. One of problems I have to solve is to identify each unique client in network (not so much of a problem), so that I can apply certain attributes to every specific client, retain and enforce those attributes during deployment lifetime of a specific client. While I was looking for a solution, I was aware of following: Windows activation system uses some kind of heavy fingerprinting mechanism, that is extremely sensitive to hardware modifications, Disk imaging software copies along all Volume IDs (tied to each partition when formatted), and custom, uniquely generated IDs during installation process, during first run, or in any other way, that is strictly software in its nature, and stored in registry or on hard drive, so it's very easy to confuse two Obvious choice for this kind of problem would be to find out BIOS identifiers (not 100% sure if this is unique through identical motherboard models, though), as that's the only thing I can rely on, that isn't duplicated, transferred by cloning, and that can't be changed (at least not by using some user-space program). Everything else fails as either being not reliable (MAC cloning, anyone?), or too demanding (in terms that it's too sensitive to configuration changes). Am I missing something obvious here? Sub-question that I'd like to ask is, am I doing it correctly, architecture-wise? Perhaps there is a better tool for task that I have to accomplish... Another approach I had in mind is something similar to handshake mechanism, where server maintains internal lookup table of connected client IDs (which can be even completely software-based and non-unique at any given moment), and tells client to come up with different ID during handshake, if duplicate ID is provided upon connection. That approach, unfortunately, doesn't play nicely with one of requirements to tie attributes to specific client during lifetime.

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• Android stream to Wowza

  - by Curtis Kiu

  I feel very confused about Android streaming to wowza. I am doing a video conference using rtmp cross-platform, but Android doesn't eat RTMP. Therefore I need to find another way to do it. Upstreaming I found a new open-source app called spydroid-ipcamera. It is using rtp, sending udp packets to computer, and opens it in vlc using the following sdp v=0 s=Unnamed m=video 5006 RTP/AVP 96 a=rtpmap:96 H264/90000 a=fmtp:96 packetization-mode=1;profile-level-id=420016;sprop-parameter-sets=Z0IAFukBQHsg,aM4BDyA=; But it can't work. Then I follow wowza tutorial and stream to it and then play again in VLC. That works! I wrote it in http://code.google.com/p/spydroid-ipcamera/issues/detail?id=2 However when I want to add audio in the packet, it fails to work. I change to code in http://code.google.com/p/spydroid-ipcamera/source/browse/trunk/src/net/mkp/spydroid/CameraStreamer.java mr.setAudioSource(MediaRecorder.AudioSource.MIC); mr.setVideoSource(MediaRecorder.VideoSource.CAMERA); mr.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4); mr.setVideoFrameRate(20); mr.setVideoSize(640, 480); mr.setAudioEncoder(MediaRecorder.AudioEncoder.AAC); mr.setVideoEncoder(MediaRecorder.VideoEncoder.H264); mr.setPreviewDisplay(holder.getSurface()); Then I thought that the problem should be in sdp, but I don't know how to due with sdp. I am streaming H.264/AAC with Mp4 Second I don't understand sdp. So how can I make video conference upstreaming part using this apps. Android ----(UDP Port:5006)----> PC (SDP file) and then Wowza read the SDP file ------> VLC I think in this way the system cannot handle more than 1 client. sdp can only hold 1 port, any idea or actually it wont' work? Also Wowza need to set the stream before we stream it, so does it mean that I should not follow this way to do it? Sorry my English is poor, I hope you guys understand.

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• Jquery get selected checkboxes

  - by kevin

  Hi id like to get the list of selected checkboxes ina page, actually what I really need is th get the text of the element next to the checkbox which is a html element the code is below and its not working the html is as follows <script type="text/javascript"> $(document).ready(function () { $('#target').click(function () { alert("in"); var checkValues = []; $('input[name=checkboxlist]:checked').each(function() { alert($(this)val()); checkValues.push($(this)val()); }); }); }); </script> HTML: <ul id="7b1fe2bd-1b26-4185-8cd9-aec10e652a70"> <li>Structured Products<input type="checkbox" name="checkboxlist"</li> <li>Global FID <ul> <li>PowerPoint Presentations<input type="checkbox" name="checkboxlist"</li> <li>Global Deck <ul> <li>Test1<input type="checkbox" name="checkboxlist"</li> <li>Test2<input type="checkbox" name="checkboxlist"</li> <li>Test3<input type="checkbox" name="checkboxlist"</li> </ul> <input type="checkbox" name="checkboxlist"</li> <li>Credit Default Swaps Position <ul> <li>Test4<input type="checkbox" name="checkboxlist"</li> <li>Test5<input type="checkbox" name="checkboxlist"</li> </ul> <input type="checkbox" name="checkboxlist"</li> <li>Thought Leadership<input type="checkbox" name="checkboxlist"</li> <li>Fixed Income Perspectives<input type="checkbox" name="checkboxlist"</li> <li>Public Policy Information and Regulatory<input type="checkbox" name="checkboxlist"</li> <li>Regional FID<input type="checkbox" name="checkboxlist"</li> </ul> <input type="checkbox" name="checkboxlist"</li> <li>Global Rates<input type="checkbox" name="checkboxlist"</li> <li>Global Credit Products<input type="checkbox" name="checkboxlist"</li> <li>FX<input type="checkbox" name="checkboxlist"</li> <li>Emerging Markets<input type="checkbox" name="checkboxlist"</li> <li>Commodities<input type="checkbox" name="checkboxlist"</li> <li>testcat<input type="checkbox" name="checkboxlist"</li> <li>testcat<input type="checkbox" name="checkboxlist"</li> </ul>

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