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• nVidia driver is not installed for x64 Windows 7 (Vaio VGN-SZ460N)

  - by Sergey Osypchuk

  I just upgraded memory to 4GB for Sony Vaio VGN-SZ460N laptop and trying to install Windows 7 x64. All works fine with default drivers, except video - I am not able to set resolution more than 1024x768. Technical specification says that this model is using: Chipset : Intel® 945GM Processor : NVIDIA® GeForce® Go 7400 notebook graphics processing unit (GPU) and Intel® Graphics Media Accelerator 950 I was trying to use Intel 945GM driver, for Windows 7 Ultimate x64 and get error: This computer does not meet the mininum requirements for installing the software Also, I was trying to download nVidia GeForce Go 7400 x64 but it says that there is no compatible hardware. Actually, it has disclaimer that those drivers doesn't work for Sony vaio and recomendation to use OEM website. Sony website has only 32-bit version of driver which says that it cannot be installed and x64 should be used... Any ideas?

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• IIS's SMTP Pickup timing

  - by fatcat1111

  I have IIS's SMTP server set up as a closed relay, and it's working nicely. I also have an application that writes EML files. If the EML files are written to a temporary directory, then moved to the server's Pickup directory, email is sent as expected. However, if I have the application write the EML files directly to the Pickup directory, the email will often fail to send. This seems to be a race condition: the server starts processing the EML file as soon as it detects it in Pickup, even though the application hasn't completed writing it. The result is the server considers the EML to be malformed, and it punts it to Badmail. While I very much appreciate the server's earnestness, it seems that I need to dial it back a bit for this scenario. Does anybody know if IIS's SMTP server's polling frequency can be configured? I am using IIS7, Windows Server 2008 R2. The application that writes the EML cannot be modified.

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• Does the chunk of the System.Collections.Concurrent.Partitioner need to be thread safe?

  - by Scott Chamberlain

  I am working with the Parallel libraries in .net 4 and I am creating a Partitioner and the example shown in the MSDN only has a chunk size of 1 (every time a new result is retrieved it hits the data source instead of the local cache. The version I am writing will pull 10000 SQL rows at a time then feed the rows from the cache until it is empty then pull another batch. Each partition in the Partitioner has its own chunk. I know every time I call to the IEnumerator in from the SQL data-source that needs to be thread safe but for use in a Parallel.ForEach do I need to make every call to the cache for the chunking thread safe?

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• 32bit Application Memory Usage on 64bit Windows 7

  - by Brian

  I have an early 2012 Macbook Pro with and Intel I7 processor and 16 gigs RAM running Windows 7 Professional 64bit via Bootcamp. I work in Geographical Information Systems as a programmer so most of the applications I am running are 32bit Applications, but tend to use a lot of resources (i.e. ArcGIS, SQL Server Express, Visual Studio, etc.). I have been noticing that when I have multiple instances of either the same 32bit application or different 32bit applications and they are all working on hefty processing tasks, I am still only topping out at about 30% memory use. I understand 32bit applications are limited to less than 4gb RAM, but I assumed that one instance could use its own 4gb while another instance could use another 4gb to take full advantage of all the memory I have installed. Can anyone explain how this works and how I can get my applications to take advantage of all my memory via running multiple instances?

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• Getting py2exe to work

  - by Richard

  Hello all. I am following the the tutorial at http://www.py2exe.org/index.cgi/Tutorial to figure out how to use py2exe. I get down to step 3 where you are suppose to run the command: python setup.py py2exe I do that and then I get this error: 'python' is not recognized as an internal or external command, operable program or batch file. I have python 2.4 installed on my machine. any idea's? I am sure it is something simple.

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• Need help regarding Async and fsi

  - by Stringer Bell

  I'd like to write some code that runs a sequence of F# scripts (.fsx). The thing is that I could have literally hundreds of scripts and if I do that: let shellExecute program args = let startInfo = new ProcessStartInfo() do startInfo.FileName <- program do startInfo.Arguments <- args do startInfo.UseShellExecute <- true do startInfo.WindowStyle <- ProcessWindowStyle.Hidden //do printfn "%s" startInfo.Arguments let proc = Process.Start(startInfo) () scripts |> Seq.iter (shellExecute "fsi") it could stress too much my 2GB system. Anyway, I'd like to run scripts by batch of n, which seems also a good exercise for learning Async (I guess it's the way to go). I have written some code and unfortunately it doesn't work: open System.Diagnostics let p = shellExecute "fsi" @"C:\Users\Stringer\foo.fsx" async { let! exit = Async.AwaitEvent p.Exited do printfn "process has exited" } |> Async.StartImmediate foo.fsx is just a hello world script. I'd like also to figure out if it's doable to retrieve a return code for each executing script and if not, find another way. Thanks!

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• How to loop an executable command in the terminal in Linux?

  - by user1452373

  Let me first describe my situation, I am working on a Linux platform and have a collection of .bmp files that add one to the picture number from filename0022.bmp up to filename0680.bmp. So a total of 658 pictures. I want to be able to run each of these pictures through a .exe file that operates on the picture then kicks out the file to a file specified by the user, it also has some threshold arguments: lower, upper. So the typical call for the executable is: ./filter inputfile outputfile lower upper Is there a way that I can loop this call over all the files just from the terminal or by creating some kind of bash script? My problem is similar to this: Execute a command over multiple files with a batch file but this time I am working in a Linux command line terminal. Thank you for your help, Luke H

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• Calling system commands from Perl

  - by Dan J

  In an older version of our code, we called out from Perl to do an LDAP search as follows: # Pass the base DN in via the ldapsearch-specific environment variable # (rather than as the "-b" paramater) to avoid problems of shell # interpretation of special characters in the DN. $ENV{LDAP_BASEDN} = $ldn; $lcmd = "ldapsearch -x -T -1 -h $gLdapServer" . <snip> " > $lworkfile 2>&1"; system($lcmd); if (($? != 0) || (! -e "$lworkfile")) { # Handle the error } The code above would result in a successful LDAP search, and the output of that search would be in the file $lworkfile. Unfortunately, we recently reconfigured openldap on this server so that a "BASE DC=" is specified in /etc/openldap/ldap.conf and /etc/ldap.conf. That change seems to mean ldapsearch ignores the LDAP_BASEDN environment variable, and so my ldapsearch fails. I've tried a couple of different fixes but without success so far: (1) I tried going back to using the "-b" argument to ldapsearch, but escaping the shell metacharacters. I started writing the escaping code: my $ldn_escaped = $ldn; $ldn_escaped =~ s/\/\\/g; $ldn_escaped =~ s/`/\`/g; $ldn_escaped =~ s/$/\$/g; $ldn_escaped =~ s/"/\"/g; That threw up some Perl errors because I haven't escaped those regexes properly in Perl (the line number matches the regex with the backticks in). Backticks found where operator expected at /tmp/mycommand line 404, at end of line At the same time I started to doubt this approach and looked for a better one. (2) I then saw some Stackoverflow questions (here and here) that suggested a better solution. Here's the code: print("Processing..."); # Pass the arguments to ldapsearch by invoking open() with an array. # This ensures the shell does NOT interpret shell metacharacters. my(@cmd_args) = ("-x", "-T", "-1", "-h", "$gLdapPool", "-b", "$ldn", <snip> ); $lcmd = "ldapsearch"; open my $lldap_output, "-|", $lcmd, @cmd_args; while (my $lline = <$lldap_output>) { # I can parse the contents of my file fine } $lldap_output->close; The two problems I am having with approach (2) are: a) Calling open or system with an array of arguments does not let me pass > $lworkfile 2>&1 to the command, so I can't stop the ldapsearch output being sent to screen, which makes my output look ugly: Processing...ldap_bind: Success (0) additional info: Success b) I can't figure out how to choose which location (i.e. path and file name) to the file handle passed to open, i.e. I don't know where $lldap_output is. Can I move/rename it, or inspect it to find out where it is (or is it not actually saved to disk)? Based on the problems with (2), this makes me think I should return back to approach (1), but I'm not quite sure how to

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• .NET TDD with a Database and ADO.NET Entity Framework - Integration Tests

  - by Brian

  Hello, I'm using ADO.NET entity framework, and am using an AdventureWorks database attached to my local database server. For unit testing, what approaches have people taken to work with a database? Obviously, the database has to be in a pre-defined state of change so that the tests can have some isolation from each other... so I need to be able to run through the inserts and updates, then rollback either between tests or after the batch of tests are done. Any advice? Thanks.

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• Good .NET library for fast streaming / batching trigonometry (Atan)?

  - by Sean

  I need to call Atan on millions of values per second. Is there a good library to perform this operation in batch very fast. For example, a library that streams the low level logic using something like SSE? I know that there is support for this in OpenCL, but I would prefer to do this operation on the CPU. The target machine might not support OpenCL. I also looked into using OpenCV, but it's accuracy for Atan angles is only ~0.3 degrees. I need accurate results.

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• "blue screen" occurs when using VPN

  - by Milla Well

  I am using the VPN client "Tunnelblick" for getting access to the restricted sites of my university. This is working quite fine, until sometime out of a sudden a "blue screen" occurs which is telling me to restart the computer. I am using Mac OS X Lion on a 4,1 MacBook Air. The error report tells me, that the system crashed somewhere during processing the ipconfig thread. Is someone known to this or similar problems with Mac OS X Lion and VPN and has kind of a solution?

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• Problem with connection to MS SQL Server database using SSMS

  - by Charles

  I have a database on line with Godaddy (who uses SQL Server 2005). They provide basic management tools, but tell you that for more advanced tools you can connect directly using SSMS. I followed their instructions to ensure my online database will accept remote connections, and can apparently log in using SSMS with success (after giving my hostname and access data). However: When attempting to expand the "Databases" folder tree, I get the following error: Failed to retrieve data for this request. (Microsoft.SqlServer.Management.Sdk.Sfc) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server& LinkId=20476 ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) The server principal "cmitchell" is not able to access the database "3pointdb" under the current security context. (Microsoft SQL Server, Error: 916) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.4262&EvtSrc=MSSQLServer&EvtID=916&LinkId=20476

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• Harvard vs. Von Neumann architecture

  - by user32569

  Hi. Our teacher told us, that Harvard architecture is the most evolved and produced architecture today and towards future. but I thing becouse os massive averhead of x86 and Von Neumann nased ARM systems that actually Von Neumann is the most used architecture today. Yes, MCUs with Harvard are even more produced, but since they all have just minor purpose (compared to x86 and ARM based) that Von Neumann is actually the one. Or is it really Harvard? And second, I know this is strange question, but does any architecture combining both exists? to have separate memory for data and programs, therefore faster instruction processing, but still able to work with these as Von Neumann? To be able o load amd unload programs to program memory on the fly? Isnt this the way the x86 should have go? Or would there be some bottleneck that pure Von neumann solves? Thanks.

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• How can I install mod_dav_svn 1.6 on CentOS 5.4?

  - by Vincenzo

  I'm trying to install mod_dav_svn on CentOS 5.4, and this is what I see: # yum --enablerepo=rpmforge install mod_dav_svn Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: mirrors.adams.net * base: mirror.sanctuaryhost.com * extras: mirror.sanctuaryhost.com * rpmforge: fr2.rpmfind.net * updates: mirror.steadfast.net Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package mod_dav_svn.x86_64 0:1.4.2-4.el5_3.1 set to be updated --> Processing Dependency: subversion = 1.4.2-4.el5_3.1 for package: mod_dav_svn --> Running transaction check ---> Package subversion.i386 0:1.4.2-4.el5_3.1 set to be updated --> Finished Dependency Resolution [...] Version 1.4.2 is older than my installed Subversion 1.6.9 (I installed it before). How and where can I get mod_dav_svn in version 1.6.9?

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• Is it possible to upgrade PHP to 5.3 on a Centos Kloxo installation?

  - by Malachi

  I have a VPS running Centos with Kloxo on and I was wondering how I would upgrade the PHP to 5.3 - It's currently running 5.2.6. When I try and do a yum update I get the following errors: Resolving Dependencies --> Running transaction check --> Processing Dependency: libpq.so.4 for package: lxphp ---> Package postgresql-libs.i386 0:8.3.7-umask.7 set to be updated --> Finished Dependency Resolution lxphp-5.2.1-400.i386 from installed has depsolving problems --> Missing Dependency: libpq.so.4 is needed by package lxphp-5.2.1-400.i386 (installed) Error: Missing Dependency: libpq.so.4 is needed by package lxphp-5.2.1-400.i386 (installed) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package. Any help would be greatly appreciated.

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• Cross-forest GPO between 2003 and 2008 Denied Beacuse it's "Inaccessible"

  - by j.rightly

  I have a two-way, non-transitive trust between two forests and domains, "W2003" and "W2008". In W2008 I have a GPO with user settings linked to a machine OU containing machine "Server". The GPO applies to Authenticated Users. Cross-forest loopback processing is enabled in merge mode. When I log onto Server as User (whose account exists in the W2003 domain), the GPO does not apply. I run RSoP and see that the GPO is "Denied" for the reason "Inaccessible." The GPO name is not listed, but the GUID is. I have checked the file-level permissions on the DC to ensure that User has access to read the GPO's folder and all its contents. What is going on?

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• Checkboxes will not check in IE7 using Javascript, and yet no errors

  - by leeand00

  Okay I'm totally confused on this one. I have a script that receives a bunch of values from a JSON object and creates a bunch of checkboxes and either checks or unchecks a these checkboxes based on their values. This script treats me like a woman treats me... "If you don't know what's wrong, then I'm not going to tell you..." The script works correctly in IE8, Firefox3, etc... etc... However... In IE7 the script fails to check off the checkboxes. It displays no errors and from what I can tell, the script runs just fine. I just doesn't check any of the checkboxes, and I don't know why... shoppingCart['Update_Stock_Item_0_NRD%5FHAT2'] = { 'propeller': { 'label' : 'propeller', 'optionValues' : { 'on' : { 'selected': 'selected' }, 'off' : { 'selected': '' }, '' : new String() } }, 'sunLogo': { 'label' : 'sunLogo', 'optionValues' : { 'on' : { 'selected': 'selected' }, 'off' : { 'selected': '' }, '' : new String() } }, 'MSLogo': { 'label' : 'sunLogo', 'optionValues' : { 'on' : { 'selected': 'selected' }, 'off' : { 'selected': '' }, '' : new String() } } }; function stockInit() { alert("BEGIN: stockInit()"); // TODO: You will recieve an "on" and an "off" option, // One will have a "selected" attribute of "selected", // and the other will have a "selected" attribute of "" // // The option that has the "selected" attribute of "" // will generate a checkbox that is not checked. // // The option that has the "selected attribute of "selected" // will generate a checkbox that is checked. // // Why? You ask...because that's just the way the thing is // setup. for(var item in shoppingCart) { // // console.log("processing item: " + item); var optionContainer = document.getElementById(item + "_optionContainer"); for(var option in shoppingCart[item]) { if(option != "blank") { // // console.log("option: " + option); var currentOption = shoppingCart[item][option]['optionValues']; // // console.log("currentOption['on']['selected']: " + currentOption['on']['selected']); // // console.log("currentOption['off']['selected']: " + currentOption['off']['selected']); // Really you only have to check the one, but just to be through-o var selected = (currentOption['on']['selected'] == 'selected') ? true : false; selected = (currentOption['off']['selected'] == 'selected') ? false : true; var label = document.createElement("LABEL"); var labelText = document.createTextNode(shoppingCart[item][option]['label']); var optionInput = document.createElement("INPUT"); var hiddenInput = document.createElement("INPUT"); optionInput.setAttribute("type", "checkbox"); optionInput.checked = selected; optionInput.setAttribute("id", option); alert(optionInput.id); alert(optionInput.checked); hiddenInput.setAttribute("type", "hidden"); hiddenInput.setAttribute("name", option); hiddenInput.setAttribute("id", option + "_hiddenValue"); hiddenInput.setAttribute("value", (optionInput.checked) ? "on" : "off"); label.appendChild(optionInput); label.appendChild(labelText); label.appendChild(hiddenInput); (function(id) { optionInput.onclick = function() { var hiddenInput = document.getElementById(id + "_hiddenValue"); hiddenInput.setAttribute("value", (this.checked == true) ? "on" : "off"); alert("this.id: " + this.id); alert("this.checked: " + this.checked); } })(optionInput.id); optionContainer.appendChild(label); } } // // console.log("processing item of " + item + " complete"); } alert("END: stockInit()"); } And please don't ask why I'm doing things this way...all I can really tell you is that I don't have access to the backend code...so I get what I get...

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• Unable to install Maven: "JAVA_HOME is set to an invalid directory"

  - by hello_world_infinity

  I followed the Maven tutorial to the letter but I still can't get Maven installed. When I run the following in command prompt: E:\Documents and Settings\zach>mvn --version I get: 'mvn' is not recognized as an internal or external command, operable program or batch file. I navigated to the maven install folder and ran mvn --version and got: E:\java resources\apache-maven-2.2.0\bin>mvn --version ERROR: JAVA_HOME is set to an invalid directory. JAVA_HOME = "E:\Sun\SDK\jdk\bin" Please set the JAVA_HOME variable in your environment to match the location of your Java installation but when I run java -version I get: java version "1.6.0_14" Java(TM) SE Runtime Environment (build 1.6.0_14-b08) Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode) So I do have Java installed. Anyone know what the problem is?

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• Is there a DOS command for verifying what version of .NET is installed

  - by Travis

  I have set of scripts for doing scripted installs. You can use the scripts on any server 2008 machine. However, I need to check if .NET 3.5 has been installed (before the scripts run) using a dos batch file. Is that possible? I know I can check if a file in the C:\WINDOWS\Microsoft.NET\Framework\v3.5 exists, but it would be nice to have something a little more reliable. I would like to check if it's actually installed, not just if the dir/file exists. Hope that makes sense. Thanks in advance.

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• Python Profiling in Eclipse

  - by Jordan L. Walbesser

  This questions is semi-based of this one here: http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script I thought that this would be a great idea to run on some of my programs. Although profiling from a batch file as explained in the aforementioned answer is possible, I think it would be even better to have this option in Eclipse. At the same time, making my entire program a function and profiling it would mean I have to alter the source code? How can I configure eclipse such that I have the ability to run the profile command on my existing programs? Any tips or suggestions are welcomed!

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• On Mikrotik RouterOS, is it possible to get Netflow information from a bridged connection?

  - by Tim

  I have a RouterOS box set up to bridge two ethernet connections. I have use-ip-firewall=yes in the bridge configuration, so that the ports go through the firewall. I've enabled netflow reporting via ip/traffic-flow, but the only packets I see reported are broadcast and multicast packets, not the packets that are flowing through the bridge. The documentation indicates that traffic flow logging happens after firewall processing and that it won't work with bridged connections by default, but I would have thought that use-ip-firewall=yes ought to address this. Is it possible to make this work somehow?

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• Apache ProxyPass ignore static files

  - by virtualeyes

  Having an issue with Apache front server connecting to a Jetty application server. I thought that ProxyPass ! in a location block was supposed to NOT pass on processing to the application server, but for some reason that is not happening in my case, Jetty shows a 404 on the missing statics (js, css, etc.) Here's my Apache (v 2.4, BTW) virtual host block: DocumentRoot /path/to/foo ServerName foo.com ServerAdmin [email protected] RewriteEngine On <Directory /path/to/foo> AllowOverride None Require all granted </Directory> ProxyRequests Off ProxyVia Off ProxyPreserveHost On <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> # don't pass through requests for statics (image,js,css, etc.) <Location /static/> ProxyPass ! </Location> <Location /> ProxyPass http://localhost:8081/ ProxyPassReverse http://localhost:8081/ SetEnv proxy-sendchunks 1 </Location>

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• IE Sessions in Terminal Server

  - by Jacob

  Currently we are using WADE middleware for our order processing operation. We have about 40 operators that use 1 terminal server to open IE 8 to access the WADE middleware. To me, it's random, but every now and then someone will come to me and tell me that IE has a "Page cannot be displayed" or "HTTP Error 500" error. I did a bit of testing on my local machine and I never get this error while doing normal operations. Although, when I open one session with username "test" and then login to the wade admin console as admin, I run into problems. I do not run into problems until I logout of the wade admin. Once I logout of the Wade admin, my "test" session says "page cannot be displayed". This makes me think the IE user sessions on the terminal service are cross talking. Does anyone have any possible settings I can change in IE or do you think this is an issue with the middleware? The Terminal Server is Windows 2003, btw.

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• Getting past Salesforce trigger governors

  - by Jake

  I'm trying to write an "after update" trigger that does a batch update on all child records of the record that has just been updated. This needs to be able to handle 15k+ child records at a time. Unfortunately, the limit appears to be 100, which is so far below my needs it's not even close to acceptable. I haven't tried splitting the records into batches of 100 each, since this will still put me at a cap of 10k updates per trigger execution. (Maybe I could just daisy-chain triggers together? ugh.) Does anyone know what series of hoops I can jump through to overcome yet another ridiculously short-sighted limitation by this awful development "platform"?

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• How do I enable a disabled Event Notification.

  - by Derick Mayberry

  I have a scenerio where I am using external notification to process documents being sent in from the entire navy fleet, normally I have no problems, but just a few days ago an administrator changed passwords and I my queue processing failed and I rolled back the transaction with this C# code: catch (Exception) { TransporterService.WriteEventToWindowsLog(AppName, "Rolling Back Transaction:", ERROR); broker.Tran.Rollback(); break; } after which my target queue would continue to fill up but nothing to the external activation queue. Does the Event Notification get disabled once a transaction is rolled back? Should I have done a broker.EndDialog here when catching my exception? Also, after my event notification is disabled(if that is actually whats happening) how do I re engage it? Do I have to drop it and recreate it? Thank in advance for any help, I love Service Broker and its workign wonderfully except for this bug that I hope to fix soon.

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