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  • MySql timeouts - Should I set autoReconnect=true in Spring application?

    - by George
    After periods of inactivity on my website (Using Spring 2.5 and MySql), I get the following error: org.springframework.dao.RecoverableDataAccessException: The last packet sent successfully to the server was 52,847,830 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. According to this question, and the linked bug, I shouldn't just set autoReconnect=true. Does this mean I have to catch this exception on any queries I do and then retry the transaction? Should that logic be in the data access layer, or the model layer? Is there an easy way to handle this instead of wrapping every single query to catch this?

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  • TIBCO Designer - Active Database Error

    - by George
    Folks, I am with the following error when trying to start an instance of the Publish ActiveDatabase. I'm using Designer 5.7.2 and trying to access a database of SqlServer 2008. Someone saw this error before? I don´t find any reference in Google or other sites! Adaptador_M2M.Adaptador_M2M Error [Adapter] AEADB-910005 Startup Error. SDK Exception Code = AESDKC-0087, Category = Metadata, Severity = errorRole, Description = Class description not available for: ADB_PREREGLISTENER, File = C:/suren/workspace/Maverick/maverick-5.6.1-dev/libmaverick/MInstanceImpl.cpp, line = 71 received on starting the adapter after initialization. The Repository URL is D:\TEMP\AT_adadb_61214.dat and the Configuration URL is Corporativo/IntegracaoM2M/Adaptadores/Adaptador_M2M.

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  • Pass client side js variable into server side jscript

    - by George
    How can I get the query string from the browser url using client side js and set it as a variable to use in some server side scripting? Client side script: var project = getQueryString("P"); function getQueryString(param) { var queryString = window.location.search.substring(1); splitQueryString = queryString.split("&"); for (i=0; i<splitQueryString.length; i++) { query = splitQueryString[i].split("="); if (query[i] == param) { return query[1]; } } } Server side script: response.write ('<td><a href="/index.asp?P=' + project + ">' + obj.BODY[i].NAME + '</a></td>');

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  • How to create a Word document from a Silverlight 4 application

    - by George Durzi
    I'm looking for some options to programmatically create a Word document from within a Silverlight 4 application. I found two approaches which seemed promising at first but don't look like they will work. OpenXML SDK The OpenXML SDK isn't available for Silverlight at this time. Word Automation via COM Interop dynamic wordApplication = AutomationFactory.CreateObject("Word.Application"); Apparently this requires that the Silverlight 4 application be granted permission to run with elevated privileges, which is only available for out-of-browser applications (which ours isn't) My other thought is to hand off the request to a back-end service which doesn't have these limitations. Wanted to check for any ideas before going down that path. Thank you!

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  • ASPNETDB and ASPSTATE database. How to change the connectionstrings?

    - by George
    I have two ASP-specific SQL Server databases 1) ASPState - To store session state 2) ASPNETDB - To store Security/Role stuff. In my web.config, I am specifying the connection string used to identify the location of the APState database: <sessionState mode="SQLServer" sqlConnectionString="server=(local)\sql2008b;uid=sa;pwd=iainttelling;" timeout="120"/> Where is the conenction string specified for the ASPNETDB database? I am trying to point it to a db on a remote server. I have a feeling it is somewhere in IIS orthe Machine Config. I'd like to add it to my WEB.CONFIG Could someone help me to do this?

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  • Using jstl tags in a dynamically created div

    - by George
    I want to be able to show some data based on criteria the user enters in a text field. I can easily take this data, process the form post, and show the data on another page. However, I want to be able to do it all on the same page - they click the button, and a new div shows up with the information. This doesn't seem too complicated, but I want to use jstl tags to format the data like: <c:forEach items="${model.data}" var="d"> <tr> <td><fmt:formatDate type="date" dateStyle="short" timeStyle="default" value="${d.reportDate}" /></td> <td><c:out value="${d.cardType}"/></td> </tr> </c:forEach> If jstl tags are processed when the page loads, can I use that in this new div? Can I update it via a javascript (using prototype) function to display the proper data? Will I be able to do the same thing if they change the criteria and click the submit button again?

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  • An existing connection was forcibly closed by the remote host

    - by George
    I have a fat VB.NET Winform client that is using the an old asmx style web service. Very often, when I perform query that takes a while, I get the subject error. The error happenes The error seems to occur in < 1 min, which is far less that the web service timeout value that I have set or the timeout value on the ADO Command object that is performing the query within the web server. It seems to occur whenever I am performing a large query that expects to return a lot of rows or when I am sending up a large amount of data to the web service. For example, it just occurred when I was passing a large dataset to the web server: System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) --- End of inner exception stack trace --- at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.PooledStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.Connection.SyncRead(HttpWebRequest request, Boolean userRetrievedStream, Boolean probeRead) --- End of inner exception stack trace --- at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request) at System.Web.Services.Protocols.HttpWebClientProtocol.GetWebResponse(WebRequest request) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at Smit.Pipeline.Bo.localhost.WsSR.SaveOptions(String emailId, DataSet dsNeighborhood, DataSet dsOption, DataSet dsTaskApplications, DataSet dsCcUsers, DataSet dsDistinctUsers, DataSet dsReferencedApplications) in C:\My\Code\Pipeline2\Smit.Pipeline.Bo\Web References\localhost\Reference.vb:line 944 at Smit.Pipeline.Bo.Options.Save(TaskApplications updatedTaskApplications) in I've been looking a tons of postings on this error and it is surprising at how varied the circumstances which cause this error are. I've tried messing with Wireshark, but I am clueless how to use it. This application only has about 20 users at any one time and I am able to reproduce this error in the middle of the night when probably no one is using the app, so I don't think that the number of requests to the web server or to the database is high. It's probably one right now when I just got the error now. It seems to have to do everything with the amt of data being passed in either direction. This error is really chronic and killing me. Please help.

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  • Ajaxtoolkit TextboxWatermarkExtender: How to change the text from Javascript

    - by George
    I think thaAjaxControlToolkitTextBoxWrapperThis use to work, but I think that upgrading to te latest version of teh Toolkit (4 something) broke it: var txtExpireYear = document.getElementById("ctl00_phPageContent_dtmPassportExpirationDate_txtYear"); txtExpireYear.AjaxControlToolkitTextBoxWrapper.set_Value(dtmDateOfExpire.getFullYear()); I now get the error: Microsoft JScript runtime error: 'AjaxControlToolkitTextBoxWrapper' is null or not an object Executing this: txtExpireYear.innerText="value1" txtExpireYear.value="value2" results in the watermark text being changed, not the textbox's text.

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  • MySql multiple selects batching in .net

    - by Amith George
    I have a situation in my application. For each x-axis point in my chart, I am plotting 5 y-axis values. To calculate each of these 5 values, I need to make 4 different queries. Ie, for each x-axis point I need to fire 20 sql queries. Now, I need to plot 40 such points in the my chart. Its resulting in a pathetic performance where it takes close to a minute to get all the data back from the database. Each of 4 different queries consists of a join between 2 tables. One has only 6 rows. The other close to 10,000. Each of the 4 queries has different WHERE clauses, so they are different queries. For each point in the x-axis, only the values for the where clauses change. I have tried combining each of the 4 queries into one big string. Basically batch the four selects. These are again batched for each y-axis value. So, for each x-axis point, I am now firing one big command that consists of 20 different select statements. Technically, I should be experiencing a big performance boost, right? Instead of hitting the db 40x5x4 = 800 times, I am now hitting it just 40 times. But instead of taking 60 seconds, it taking 50-55 seconds... not much of a help. I am using MySql 5.1, and the 6.1 version of its .Net connector. What can I do to improve the performance? Edit: One of the 4 queries is as follows: SELECT SUM(TIME_TO_SEC(TIMEDIFF(T1.col2, T1.col1))* T2.col1 / (3600 *1000)) AS TotalTime FROM Table T1 JOIN Table T2 ON T1.col3 = T2.col3 WHERE T1.col4 = 'i' AND T1.col1 >= '2009-12-25 00:00:00' AND T1.col2 <= '2009-12-26 00:00:00'; The other 3 queries are similar, only the where clause changes slightly. This set of 4 queries is fired 5 times. The first 3 times against the join of table T1 and T2, passing in different values for col4. And the next two times against the join of table T3 and T2 passing in different values for col4. These 5 values are the y-axis values for a particular x-axis point. The data returned by all these queries is the same format. so, we tried doing a UNION ALL on all these queries. No substantial difference. One strange thing, however, after indexing the foreign key on the table T1 [while it contained over a lakh records], the queries were using the index, but they had become slower. At times, the queries would take double the time to return the data.

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  • Checkbox on Sql Server Reporting Services Report

    - by George Handlin
    I'm working on a report in SSRS 2005 that is a questionnaire with yes/no answers. Trying to get a checkbox on the report. Have tried using windings for the font and an iif statement to set the character, but that doesn't come out correctly when exporting to PDF. I'm using local reports, not from a report server.

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  • Turn Texture Blending off in XNA

    - by George Johnston
    I am currently drawing single colored pixels to my texture in XNA. However, there seems to be blending occuring, as the color I draw on the screen gets blended with my background color. How can I turn this off so that the color I draw is only the color I draw? this.spriteBatch.Draw(texture, new Rectangle(x, y, 1, 1), [My Color]);

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  • Add ASP.NET web service while impersonating credentials.

    - by George
    I have a web reference that I do not have access to through my windows credentials, but do through impersonation. Unfortunately, I cannot update or add the reference because of my lack of credentials. When the service is added, it works fine when I set impersonation to true and add credentials. Is there a way to impersonate a credentials when adding/updating a web service reference through the GUI?

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  • Using branched svn repository in Eclipse without Subversive/Subclipse

    - by George
    How can I use a new branch in Eclipse if I'm not using Subversive or Subclipse? Do I have to checkout the new branch and import that as a new project into Eclipse? Is there an easier way to do it, or is using Subversive or Subclipse the only reasonable way? I know there are many discussions on the pros/cons of Subversive or Subclipse - I'm not asking which one would be best (although I will probably go with Subclipse if needed), and I'm not able to switch to a DVCS.

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  • Silverlight and IIS5 on XP

    - by George
    Besides modifying IIS to serve XAML extensions is there anything else that I need to do to allow IIS5 to server Silverlight pages? Do I actually need to run some Silverlight setup on the IIS5 web server or are all the setups intended for development machines and /or machines that end up consuming/browsing Silverlight pages?

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  • CA1034: Nested types should not be visible

    - by George
    Here's an explanation of the rule that that I am trying to understand. Here's the simplified code that the Code Analyzer was complaining about: Public Class CustomerSpeed Public Enum ProfitTypeEnum As Integer NotSpecified = 0 FlatAmount = 1 PercentOfProfit = 2 End Enum Private _ProfitTypeEnum As ProfitTypeEnum Public Sub New(ByVal profitType As ProfitTypeEnum) _ProfitTypeEnum = profitType End Sub End Class If the enum pertains only to the class, why is it a bad thing to make it a contained type within the class? Seems neater to me... Does anyone know what is meant by the following line?: Nested types include the notion of member accessibility, which some programmers do not understand clearly Using Namespaces to group the Class and Enum doesn't seem like a useful way to resolve this warning, since I would like both the enum to belong to the same parent level as the class name.

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  • ASP.NET Tab Controls

    - by George Stocker
    I'm currently attempting to create a tabbed interface in a web application, and based on my search, there aren't any 'built in' tab controls in ASP.NET. There are some in the ASP.NET AJAX downloadable toolkit, as well as a wealth of 'pay for use' third party Tab Controls. My question is: What Tab control have you used for ASP.NET applications, and why do you use it?

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  • Is it possible to mimic IQueryable with NHibernate?

    - by George
    Is it possible to mimic IQueryable with NHibernate? I was looking at Nhibernate docs and for what i could tell, it always returns a List of objects, that have it's attributes indexed by a integer. Ok, perfect, that works. But is there a way to retrieve objects like LINQ? With something like IQueryable? Thanks

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  • Will Python 3.0's backwards-incompatibility affect adoption?

    - by George Stocker
    I visited Slashdot this morning to find out that Python 3.0 has been released. I know C# and Perl, but have wanted to learn Python for some time, especially after I saw its ease of use to create useful tools, not to mention its use in game scripting. My question is, how does the intentionally backwards-incompatible release of Python 3.0 affect adoption, and should I learn Python 2? Or should I take the dive and learn Python 3.0 first, and wait for the libraries to be ported?

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  • Dispatcher for Filter Mapping

    - by George
    I have an app written for Servlet Spec 2.4 with an old webserver designed for Servlet Spec 2.3. The web.xml file has the following syntax: <filter-mapping> <filter-name>sitemesh</filter-name> <url-pattern>*.action</url-pattern> <dispatcher>REQUEST</dispatcher> <dispatcher>FORWARD</dispatcher> </filter-mapping> How can I re-write this mapping to be servlet 2.3 compliant?

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  • Error displaying a WinForm in Design mode with a custom control on it.

    - by George
    I have a UserControl that is part of a Class library. I reference this project from my solution. This adds a control from the referenced project to my toolbox. I add tghe control to a form. Everything looks good, I compile all and run. Perfect... But when I close the .frm with the control on it and re-open it, I get this error. The code continues to run. It may have something to do with namespaces. The original namespace was simply "Design" and this was ambiguous and conflicting so i decided to rename it. I think that's when my problems began. To prevent possible data loss before loading the designer, the following errors must be resolved: 2 Errors Ignore and Continue Why am I seeing this page? Could not find type 'Besi.Winforms.HtmlEditor.Editor'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your current platform or Any CPU. Instances of this error (1) 1. There is no stack trace or error line information available for this error. Help with this error Could not find an associated help topic for this error. Check Windows Forms Design-Time error list Forum posts about this error Search the MSDN Forums for posts related to this error The variable 'Editor1' is either undeclared or was never assigned. Go to code Instances of this error (1) 1. BesiAdmin frmOrder.Designer.vb Line:775 Column:1 Show Call Stack at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.Error(IDesignerSerializationManager manager, String exceptionText, String helpLink) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeExpression(IDesignerSerializationManager manager, String name, CodeExpression expression) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeExpression(IDesignerSerializationManager manager, String name, CodeExpression expression) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeStatement(IDesignerSerializationManager manager, CodeStatement statement) Help with this error MSDN Help Forum posts about this error Search the MSDN Forums for posts related to this error

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  • Vote on Pros and Cons of Java HTML to XML cleaners

    - by George Bailey
    I am looking to allow HTML emails (and other HTML uploads) without letting in scripts and stuff. I plan to have a white list of safe tags and attributes as well as a whitelist of CSS tags and value regexes (to prevent automatic return receipt). I asked a question: Parse a badly formatted XML document (like an HTML file) I found there are many many ways to do this. Some systems have built in sanitizers (which I don't care so much about). This page is a very nice listing page but I get kinda lost http://java-source.net/open-source/html-parsers It is very important that the parsers never throw an exception. There should always be best guess results to the parse/clean. It is also very important that the result is valid XML that can be traversed in Java. I posted some product information and said Community Wiki. Please post any other product suggestions you like and say Community Wiki so they can be voted on. Also any comments or wiki edits on what part of a certain product is better and what is not would be greatly appreciated. (for example,, speed vs accuracy..) It seems that we will go with either jsoup (seems more active and up to date) or TagSoup (compatible with JDK4 and been around awhile). A +1 for any of these products would be if they could convert all style sheets into inline style on the elements.

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