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• Configuring the expiry time for the messages destined to the "Expired message address" in Hornetq

  - by Rohit

  I have configured a message expiry destination in Hornetq as below <address-setting match="#"> <dead-letter-address>jms.queue.error</dead-letter-address> <expiry-address>jms.queue.error</expiry-address> <max-delivery-attempts>3</max-delivery-attempts> <redelivery-delay>2000</redelivery-delay> <max-size-bytes>10485760</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>BLOCK</address-full-policy> <redistribution-delay>60000</redistribution-delay> </address-setting> And the messages do get redirected to the expiry address once the expiration time is exceeded. These messages live indefinitely on the expiry address, Is there a way to provide a expiry time for these messages so they live only limited time on the expiry address?

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• How can I perform an idempotent insert row using subsonic with a SQL 2008 backend?

  - by Jason Hernandez

  How can I perform an idempotent insert row using subsonic with a SQL 2008 backend? e.g. I have a table "Colors" where name is the primary key. Color c = new Color; c.name = "red"; c.Save; Color c2 = new Color; c2.name = "red"; c2.Save; // throws duplicate key error; I know I can just trap the error but I would prefer to do something like REPLACE in MySql

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• SQL Server Agent 2005 job runs but no output

  - by alimack

  Essentially I have a job which runs in BIDS and as as a stand lone package and while it runs under the SQL Server Agent it doesn't complete properly (no error messages though). The job steps are: 1) Delete all rows from table; 2) Use For each loop to fill up table from Excel spreasheets; 3) Clean up table. I've tried this [MS page][1] (steps 1 & 2), didn't see any need to start changing from Server side security. Also SQLServerCentral.com for [this page][2], no resolution. How can I get error logging or a fix? Note I've reposted this from Server Fault as it's one of those questions that's not pure admin or programming. I have logged in as the proxy account I'm running this under, and the job runs stand alone but complains that the Excel tables are empty?

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• how to add svn repository for an iphone application

  - by ratnasomu

  hellow all i am using svn for version control for an iphone application . i have created it from xcode repositories by giving url ,user name and password its authenticated .After that i have created a directory from there itself and have imported my project there. Then i have checked out to the local directory and have updated something in it. Click on commit changes. It done. After that i came to terminal to commit the project first time from terminal .There i have removed the build of the project then gave a command like "svn update". here i am getting error like svn: PROPFIND request failed on '/svn/pacman/GameDevelopment/Game'and 403 Forbidden error whts going wrong here? could any one help me in this ? Thanks..

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• Why does Perl's Crypt::SSLeay timeout on Intel Mac OS X machines?

  - by Joe

  A have a Perl cron job that recently started having its HTTPS connections start failing with an error of "500 SSL read timeout". I've tracked that the error is being thrown as part of an alarm in Crypt::SSLeay, but I don't know if this is simply something taking too long to respond. So far, I've adjusted the timeout from the default 30 seconds to 10 minutes and it still times out. I've moved the script to other machines, and those on Intel Mac OS X systems all time out, while those under Linux, or on PPC Mac OS X systems run fine, so I don't think it's changes on the network or remote server. When the process started having problems does not coincide with any software updates or reboots on the machine, and I've contacted the server I'm connecting to, and everyone claims that they haven't changed anything. Does anyone have recommendations on trying to debug HTTPS, or have you ever seen this behavior and give recommendations on something I might've overlooked at that could've caused this problem?

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• ObjectDataSource cannot find type when deployed to SharePoint

  - by Sean

  I'm receiving the following error when deploying a feature containing ASP.NET pages to our development SharePoint servers: System.InvalidOperationException: The type specified in the TypeName property of ObjectDataSource 'odsYears' could not be found. Our .dll is being deployed to the GAC and our pages are being deployed to the the respective Features directory in the 12 hive. We are not receiving this error on our Sandbox SharePoint server. I disassembled the .dll to be sure the class was being deployed and everything looked ok. Does anyone have any ideas on why this would not work on one of our SharePoint environments? Thanks.

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• Wix: I can't use some tags :/

  - by Jacek

  Hi :) I want to create installer in Wix. I use 3.5 version integrated with VS2008 Professional. I need detect MS SQL Server installation (I do it) and eventually install it. I try to use bootstrapper, there is code: <ItemGroup> <BootstrapperFileMax Include="Microsoft.Sql.Server.Express.9.2"> <ProductName>SQL Server 2005 Express Edition</ProductName> </BootstrapperFileMax> </ItemGroup> Compiler return me that error: Error 2:The Product element contains an unexpected child element 'ItemGroup'. Maybe I need some references? Should I publish all code? Thanks for all your help. Jacek

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• After rich:extendedDataTable sortby,otheractions are not getting executed

  - by kksachin

  My requirement is I have several tabs and one of the tabs uses rich:extendedDataTable. If sortby is clicked in the page where table is used and if I navigate to another page, it looks for the bean of the old page and throws an error saying that sortyBy of the column is undefined. For eg if iused sortBy on userId in tab1( where the table column must have had sortBy=#{data.userId}) and then i click on tab2 , it looks for the data.userId and thorws an error. I am using richfaces 3.2.2SR1 version. can you help me on this.

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• Return database messages on successful SQL execution when using ADO

  - by peacedog

  I'm working on a legacy VB6 app here at work, and it has been a long time since I've looked at VB6 or ADO. One thing the app does is to executes SQL Tasks and then to output the success/failure into an XML file. If there is an error it inserts the text the task node. What I have been asked to do is try and do the same with the other mundane messages that result from succesfully executed tasks, like (323 row(s) affected). There is no command object being used, it's just an ADODB.Connection object. Here is the gist of the code: Dim sqlStatement As String Set sqlStatement = /* sql for task */ Dim sqlConn As ADODB.Connection Set sqlConn = /* connection magic */ sqlConn.Execute sqlStatement, , adExecuteNoRecords What is the best way for me to capture the non-error messages so I can output them? Or is it even possible?

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• DbMetal chokes on repeated foreign key references in SQLite - any ideas?

  - by DanM

  I've been struggling to get DbMetal to process my SQLite database. I finally isolated the problem. It won't allow a table to have two foreign key references to the same column. For example, a SQLite database with these two tables will fail: CREATE TABLE Person ( Id INTEGER PRIMARY KEY, Name TEXT NOT NULL ); CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL REFERENCES Person(Id) ); I get this error: DbMetal: Sequence contains more than one matching element If I get rid of the second foreign key reference, no error occurs. So, this works: CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL ); But I really need both "person" columns to reference the person table. I submitted a bug report for this, but I could use a workaround in the meantime. Any ideas?

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• Recommendations for a C++ polymorphic, seekable, binary I/O interface

  - by Trevor Robinson

  I've been using std::istream and ostream as a polymorphic interface for random-access binary I/O in C++, but it seems suboptimal in numerous ways: 64-bit seeks are non-portable and error-prone due to streampos/streamoff limitations; currently using boost/iostreams/positioning.hpp as a workaround, but it requires vigilance Missing operations such as truncating or extending a file (ala POSIX ftruncate) Inconsistency between concrete implementations; e.g. stringstream has independent get/put positions whereas filestream does not Inconsistency between platform implementations; e.g. behavior of seeking pass the end of a file or usage of failbit/badbit on errors Don't need all the formatting facilities of stream or possibly even the buffering of streambuf streambuf error reporting (i.e. exceptions vs. returning an error indicator) is supposedly implementation-dependent in practice I like the simplified interface provided by the Boost.Iostreams Device concept, but it's provided as function templates rather than a polymorphic class. (There is a device class, but it's not polymorphic and is just an implementation helper class not necessarily used by the supplied device implementations.) I'm primarily using large disk files, but I really want polymorphism so I can easily substitute alternate implementations (e.g. use stringstream instead of fstream for unit tests) without all the complexity and compile-time coupling of deep template instantiation. Does anyone have any recommendations of a standard approach to this? It seems like a common situation, so I don't want to invent my own interfaces unnecessarily. As an example, something like java.nio.FileChannel seems ideal. My best solution so far is to put a thin polymorphic layer on top of Boost.Iostreams devices. For example: class my_istream { public: virtual std::streampos seek(stream_offset off, std::ios_base::seekdir way) = 0; virtual std::streamsize read(char* s, std::streamsize n) = 0; virtual void close() = 0; }; template <class T> class boost_istream : public my_istream { public: boost_istream(const T& device) : m_device(device) { } virtual std::streampos seek(stream_offset off, std::ios_base::seekdir way) { return boost::iostreams::seek(m_device, off, way); } virtual std::streamsize read(char* s, std::streamsize n) { return boost::iostreams::read(m_device, s, n); } virtual void close() { boost::iostreams::close(m_device); } private: T m_device; };

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• Left outer join null using VB.NET and LINQ

  - by jvcoach23

  I've got what I think is a working left outer join LINQ query, but I'm having problems with the select because of null values in the right hand side of the join. Here is what I have so far Dim Os = From e In oExcel Group Join c In oClassIndexS On c.tClassCode Equals Mid(e.ClassCode, 1, 4) Into right1 = Group _ From c In right1.DefaultIfEmpty I want to return all of e and one column from c called tClassCode. I was wondering what the syntax would be. As you can see, I'm using VB.NET. Update... Here is the query doing join where I get the error: _message = "Object reference not set to an instance of an object." Dim Os = From e In oExcel Group Join c In oClassIndexS On c.tClassCode Equals Mid(e.ClassCode, 1, 4) Into right1 = Group _ From c In right1.DefaultIfEmpty Select e, c.tClassCode If I remove the c.tClassCode from the select, the query runs without error. So I thought perhaps I needed to do a select new, but I don't think I was doing that correctly either.

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• Adding two Set[Any]

  - by Alex Boisvert

  Adding two Set[Int] works: Welcome to Scala version 2.8.1.final (Java HotSpot(TM) Server VM, Java 1.6.0_23). Type in expressions to have them evaluated. Type :help for more information. scala> Set(1,2,3) ++ Set(4,5,6) res0: scala.collection.immutable.Set[Int] = Set(4, 5, 6, 1, 2, 3) But adding two Set[Any] doesn't: scala> Set[Any](1,2,3) ++ Set[Any](4,5,6) <console>:6: error: ambiguous reference to overloaded definition, both method ++ in trait Addable of type (xs: scala.collection.TraversableOnce[Any])scala.collection.immutable.Set[Any] and method ++ in trait TraversableLike of type [B >: Any,That](that: scala.collection.TraversableOnce[B])(implicit bf: scala.collection.generic.CanBuildFrom[scala.collection.immutable.Set[Any],B,That])That match argument types (scala.collection.immutable.Set[Any]) Set[Any](1,2,3) ++ Set[Any](4,5,6) ^ Any suggestion to work around this error?

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• Rails best practice on conditional parameters in a controller action

  - by randombits

  I have a controller create action looks for one or more parameters in the following ruleset. Let's say we have two parameters, foo and bar. The rules are the following: 1) if foo doesn't exist in the parameter list, bar must. 2) if bar doesn't exist in the parameter list, foo must. 3) they can both co-exist. they can't both be omitted (that's redundant with my rules above :) ) Can anyone show an example in Rails on how this is handled in the controller? Should I use a before_filter? Would appreciate some guidance as this isn't something that ActiveRecord validates.. so I'd need to build an error message to the user directly from controller logic, not model logic. For bonus points, I output the error in XML, so if you can show how that's done, that'd be great. Hypothetically let's call the resource "Lorem", so it is created via http://foo/lorem.xml and we have lorem_controller.rb.

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• Marshal managed string[] to unmanaged char**

  - by Vince

  This is my c++ struct (Use Multi-Byte Character Set) typedef struct hookCONFIG { int threadId; HWND destination; const char** gameApps; const char** profilePaths; } HOOKCONFIG; And .Net struct [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct HOOKCONFIG { public int threadId; public IntPtr destination; // MarshalAs? public string[] gameApps; // MarshalAs? public string[] profilePaths; } I got some problem that how do I marshal the string array? When I access the struct variable "profilePaths" in C++ I got an error like this: An unhandled exception of type 'System.AccessViolationException' occurred in App.exe Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. MessageBox(0, cfg.profilePaths[0], "Title", MB_OK); // error ... Orz

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• Plural to Singular conversion trouble in Rails Migrations?

  - by Earlz

  Hi, I'm a beginner at Ruby On Rails and am trying to get a migration to work with the name Priorities So, here is the code I use in my migration: class Priorities < ActiveRecord::Migration def self.up create_table :priorities do |t| t.column :name, :string, :null => false, :limit => 32 end Priority.create :name => "Critical" Priority.create :name => "Major" Priority.create :name => "Minor" end def self.down drop_table :priorities end end This results in the following error though: NOTICE: CREATE TABLE will create implicit sequence "priorities_id_seq" for serial column "priorities.id" NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "priorities_pkey" for table "priorities" rake aborted! An error has occurred, this and all later migrations canceled: uninitialized constant Priorities::Priority Is this some problem with turning ies to y for converting something plural to singular?

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• UITableView: Handle cell selection in a mixed cell table view static and dynamic cells

  - by AlexR

  I am trying to mix dynamic and static cells in a grouped table view: I would like to get two sections with static cells at the top followed by a section of dynamic cells (please refer to the screenshot below). I have set the table view contents to static cells. Edit Based on AppleFreak's advice I have changed my code as follows: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell; if (indexPath.section <= 1) { // section <= 1 indicates static cells cell = [super tableView:tableView cellForRowAtIndexPath:indexPath]; } else { // section > 1 indicates dynamic cells CellIdentifier = [NSString stringWithFormat:@"section%idynamic",indexPath.section]; cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath]; } return cell; } However, my app crashes with error message Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UITableView dataSource must return a cell from tableView:cellForRowAtIndexPath:' for section 0 and row 0. The cell returned from cell = [super tableView:tableView cellForRowAtIndexPath:indexPath] for section 0 and row 0 is nil. What is wrong with my code? Could there be any problems with my outlets? I haven't set any outlets because I am subclassing UITableViewController and supposedly do not any outlets for tableview to be set (?). Any suggestions on how to better do it? Edit II I have recreated my scene in storyboard (please refer to my updated screen shot above) and rewritten the view controller in order to start from a new base. I have also read the description in Apple's forum as applefreak suggested. However, I run in my first problem with the method numberOfSectionsInTableView:tableView, in which I increment the number of static sections (two) by one. - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return [super numberOfSectionsInTableView:tableView] + 1 ; } The app crashed with the error message: Terminating app due to uncaught exception 'NSRangeException', reason: '* -[__NSArrayI objectAtIndex:]: index 2 beyond bounds [0 .. 1]' Why is this code not working for me even though I followed Apple's and applefreak recommendations? It is possible that the tableView has changed a bit in iOS 6? Solution: I got this to work now using AppleFreaks code sample in his answer below. Thank you, AppleFreak! Edit III: Cell Selection: How can I handle cell selection in a mixed (dynamic and static cells) cell table view? When do I call super and when do I call self tableView? When I use [[super tableView] selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionNone] and try to check for the selected index paths with: UITableView *tableView = [super tableView]; if ( [[tableView indexPathForSelectedRow] isEqual:customGrowthIndexPath] ) { .. } I get an return value of nil. As I can't find the source of my error, I really would appreciate your help

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• Can I pass the LHS of a cfengine3 processes: line to the RHS?

  - by joeforker

  I'm using cfengine to start the foobar process. Apparently the LHS is discarded when I use process_select? Can I simply pass the LHS to a function, rather than having to put the command match pattern in a body argument? bundle agent foobar { processes: "foobar" # documented way would be to use .* here process_select => command("foobar"), restart_class => start_foobar; commands: start_foobar:: "/usr/bin/foobar"; } body process_select command(c) { command => "$(c)"; process_result => "command"; }

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• Connecting Java se Client to Glassfish

  - by Henrik Bierbum Bacher

  We are having some difficulties connecting our Java SE standalone client with the EJB module deployed on a remote GlassFish server. Pointers to how we are supposed to connect our client would be appreciated. The client code we currently has to get the initial context: props.setProperty("org.omg.CORBA.ORBInitialHost", "*remotehost*"); props.setProperty("org.omg.CORBA.ORBInitialPort", "portNumber"); javax.naming.InitialContext ic = new javax.naming.InitialContext(props); *We have tried several different port numbers; 3700, 7676, 8080.. The closest we are getting, got us the error: "Error in GIOP magic". I read that jms are using port 7676 as a broker port for a bunch of dynamically generated ports, but can't figure out how to specify those ports in order to create proper port-forwards.

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• How can I make Vim autosave files when it loses focus?

  - by Peeja

  I'm used to my editors autosaving files when they lose focus. I recently switched to MacVim, and I can't recreate that behavior. I tried this: autocmd BufLeave,FocusLost * wall but if a buffer is unnamed when the window or MacVim loses focus, I get an error like the following: Error detected while processing BufLeave Auto commands for "*": E141: No file name for buffer 1 I'm confused, because :wall's documentation says: Write all changed buffers. Buffers without a file name or which are readonly are not written. so I'd expect it to skip unnamed buffers. Is there a better way to do this?

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• Cannot call method 'wsl_wordpress_social_login'

  - by David Allen

  Hi I'm using a wordpress plugin to allow user to comment using facebook and twitter accounts. This is the page i am testing the plugin on http://blog.pcpal.co.uk/2012/03/london-underground-wi-fi-connectivity-due-within-months/ When i click the facebook icon its opens up a windows where i sign into facebook ad then directs to a blank pages which has a JS error see code below <html><head> <script> function init() { window.opener.wsl_wordpress_social_login({ 'action' : 'wordpress_social_login', 'provider' : 'Facebook' }); window.close(); } </script> </head> <body onload="init();"> </body></html> # Error is Uncaught TypeError: Cannot call method 'wsl_wordpress_social_login' of null If you can help then great.. Additional info Only seems to do it with chrome

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• Unable to update the snapshot view in clearcase on linux

  - by crystal

  Hi I am trying to create a new snapshot view on my machine and i am using the following procedure: creating the view using ct mkview -snapshot -tag testview -vws /home/store/testview.vws /home/view/testview here the view gets created but fails to register which i register using the ct update on this /home/view/testview location tried to change the configspec using ct edcs & but got error "cleartool: Error: Cannot get view info for current view: not a ClearCase object." explicitly modifying the config_spec using vi editor, and the updating the view ends up creating a log...but no files are copied :( Can someone please direct me as to where i am going wrong?

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• How to handle sharepoint web services exceptions

  - by Royson

  Hi, I have developed an application of share point. I am using web services for that. the problem is that while working with my app sometimes i get some exceptions. like, Exception of type 'Microsoft.SharePoint.SoapServer.SoapServerException' was thrown. Stack Strace :: at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at ......... my methods From this exception i cannot understand the main problem. While developing i can debug the code, but now my application is getting launched..i can get error log file from my client which contains this type of excetions. But how to catch exact error.??? Thanks.

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• CREATE USER in MS Access 2010

  - by Anakela

  I have been searching for several hours regarding how to create a user using SQL for a database I am building in Access. I found several sources on Microsoft's website that say I can use the CREATE USER command to do this. However, whenever I attempt to run the query, an error saying Syntax error in CREATE TABLE statement pops up. What am I doing wrong? Thank you in advance for your help! If you're interested, the code format I am attempting to use is as follows: CREATE USER username, password, pid.

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• How to pass an event to a method and then subscribe to it?

  - by Ryan Peschel

  Event Handler public void DeliverEvent(object sender, EventArgs e) { } #1: This Works public void StartListening(Button source) { source.Click += DeliverEvent; } #2: And so does this.. public void StartListening(EventHandler eventHandler) { eventHandler += DeliverEvent; } But in #2, you cannot call the method because if you try something like this: StartListening(button.Click); You get this error: The event 'System.Windows.Forms.Control.Click' can only appear on the left hand side of += or -= Is there any way around that error? I want to be able to pass the event and not the object housing the event to the StartListening method.

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