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  • Servlet Exception + Class Cast Exception + Glassfish + Netbeans + JPA Entities + Vaadin

    - by Random Joe
    Hi all, I get this error: StandardWrapperValve[Vaadin Servlet]: PWC1406: Servlet.service() for servlet Vaadin Servlet threw exception java.lang.ClassCastException: com.delhi.entities.Category cannot be cast to com.delhi.entities.Category when I try to run my webapps on glassfish v2. Category is a JPA entity object the offending code according to the server log is: for (Category c : categories) { mymethod(); } categories is derived from: List<Category> categories = q.getResultList(); Any idea what went wrong?

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  • One click to trigger several search forms?

    - by Christian
    Hello, I have 1 main search form with a submit button and several secondary search forms with submit buttons. What I would like to do is when I enter text and click on the submit button of the main search form, the same text gets copied in all of the secondary search forms and all the submit buttons of the secondary search forms get automatically hit. The HTML code for the mains earch form is shown below: <form action="query.php" method="get"> Search: <input type="text" name="item" size="30"> <input type="submit" value="send"> </form> One of the several secondary search forms is shown below: <FORM action="http://www.dpbolvw.net/interactive" method="GET" target="_blank"> <div style="float: left; padding: 0 3px 0 0;"> <INPUT type="text" name="src" size="9" value="<?php $input = $_GET['item']; echo $input;?>" style="width: 110px; height: 22px;margin:0; padding: 0; font-size:140%;"> </div> <div style="float: left; padding: 0 3px 0 0;"> <input type="image" name="submit" value="GO" src="http://images.guitarcenter.com/Content/GC/banner/go.gif" alt="Search" style="font-size:140%"> /div> <input type="hidden" name="aid" value="1234"/> <input type="hidden" name="pid" value="1234"/> <input type="hidden" name="url" value="http://www.guitarcenter.com/Search/Default.aspx"/> </form> Notice the php code that I put in the "value" field of the secondary search form: <?php $input = $_GET['item']; echo $input;?> This automatically copies the text that I entered in the main search form into the secondary search form. I thus figured out how to do that. The problem is to "simulate" an "Enter" keystroke or a click on the "GO" button with the mouse on the secondary search form when the user hits the Enter key or hits the "SEND" button with the mouse on the main search form. Thank you for your insight!

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  • Groovy markupbuilder tags

    - by john renfrew
    Is there a way to modify the code from a previous answer import groovy.xml.MarkupBuilder def writer = new StringWriter() def builder = new MarkupBuilder(writer) def awaiting = ['one', 'two', 'three'] builder.html { ul { awaiting.each { li(it.toString()) } } } println writer.toString() so that if you add a tag instead that you send it - like builder.html{ tag{ awaiting.each{} } } return result could be 'ol' or 'ul' for example

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  • How to extend the Eclipse Java Editor to add coloured overlays

    - by Gavin Clarke
    I have an idea for an Eclipse plugin which I've been toying with. I need to be able to extend the Eclipse Java Editor component and add coloured overlays to the code based on pluggable external metrics. Unfortunately there doesn't appear to be any kind of syntax highlighting extension point. Does anyone know how I might be able to extend the exisitng eclipse Java Editor to add custom highlighting rules? Bear in mind I'm new to Eclipse plugin programming so please give as much detail as possible.

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  • Why does this IF statement fail?

    - by ChosenOne
    If variable path is empty, and editor.Text is not empty, the SaveFileDialog should be displayed. Now, why on earth is this damn thing failing??? I have tried this with many different variations of code with the same result: FAIL: if(path.Length >= 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } At the top of code file I have: path = String.Empty; So why the heck it this failing every single time, even after trying all of the below variations? if(path.Length > 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrEmpty(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrWhiteSpace(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } This is making me very angry. How could this fail? Setting a break point reveals that path is definitely null/"".

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  • Admob Android help!

    - by zaid
    can someone give me an example code of how to use public void requestFreshAd() so when a button is pressed a new ad is displayed. and/or how to use getRequestInterval setRequestInterval so i can set it to refresh the ad each 5-10 sec.

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  • AES Encrypting a Microsoft Access Field Via VBA

    - by Jason
    I need to create a Microsoft Access database, but have a need, in one of my tables, for a single field to be strongly encrypted. Since AES requires both a key and an initialization vector, I've decided to solve this problem by requiring a password to access the database (as the key), and a field in the table to hold a SHA1 hash of the plaintext of the encrypted field. Does anyone know where I can find VBA-compatible code to actually do the encryption?

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  • php script which updates svn working directory

    - by Sourabh
    Hi I want to write a php script which updates svn working directory I tried with below code , but it does not work.I guess because the USER for php script is "apache" but for svn update it needs to be "homeuser" putenv("USERNAME=homeuser"); putenv("HOME=/home/homeuser"); exec("svn update /home/homeuser/path/to/working/dir", $info); //svn update with full path print_r($info); how to get around ?

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  • How to set the image for the custom buttoun created on the navigation bar in iphone?

    - by Warrior
    I am new to iphone development.I want to create custom button on navigation bar.I want to create it with a image.How can i do it.Please help me out.Here is my code.Thanks. UIBarButtonItem *leftbutton = [[UIBarButtonItem alloc] initWithImage:@"Email.png" style:UIBarButtonItemStyleBordered target:self action:@selector(leftbutton)]; self.navigationItem.leftBarButtonItem = leftbutton; [leftbutton release];

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  • DataTable Filter mystery

    - by user283897
    Hi, could you please help me find the reason of the mystery I've found? In the below code, I create a DataTable and filter it. When I use filter1, everything works as expected. When I use filter2, everything works as expected only if the SubsectionAmount variable is less than 10. As soon as I set SubsectionAmount=10, the dr2 array returns Nothing. I can't find what is wrong. Here is the code: Imports System.Data Partial Class FilterTest Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Call FilterTable() End Sub Sub FilterTable() Dim dtSubsections As New DataTable Dim SectionID As Integer, SubsectionID As Integer Dim SubsectionAmount As Integer Dim filter1 As String, filter2 As String Dim rowID As Integer Dim dr1() As DataRow, dr2() As DataRow With dtSubsections .Columns.Add("Section") .Columns.Add("Subsection") .Columns.Add("FieldString") SectionID = 1 SubsectionAmount = 10 '9 For SubsectionID = 1 To SubsectionAmount .Rows.Add(SectionID, SubsectionID, "abcd" & CStr(SubsectionID)) Next SubsectionID For rowID = 0 To .Rows.Count - 1 Response.Write(.Rows(rowID).Item(0).ToString & " " _ & .Rows(rowID).Item(1).ToString & " " _ & .Rows(rowID).Item(2).ToString & "<BR>") Next SubsectionID = 1 filter1 = "Section=" & SectionID & " AND " & "Subsection=" & SubsectionID filter2 = "Section=" & SectionID & " AND " & "Subsection=" & SubsectionID + 1 dr1 = .Select(filter1) dr2 = .Select(filter2) Response.Write(dr1.Length & "<BR>") Response.Write(dr2.Length & "<BR>") If dr1.Length > 0 Then Response.Write(dr1(0).Item("FieldString").ToString & "<BR>") End If If dr2.Length > 0 Then Response.Write(dr2(0).Item("FieldString").ToString & "<BR>") End If End With End Sub End Class

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  • What ReSharper 4.0 live templates for C# do you use?

    - by Rinat Abdullin
    What ReSharper 4.0 templates for C# do you use? Let's share these in the following format: [Title] Optional description Shortcut: shortcut Available in: [AvailabilitySetting] // Resharper template code snippet // comes here Macros properties (if present): Macro1 - Value - EditableOccurence Macro2 - Value - EditableOccurence One macro per answer, please! Here are some samples for NUnit test fixture and Standalone NUnit test case that describe live templates in the suggested format.

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  • Load thumbnail image into PictureBox from directory

    - by zaidwaqi
    Hi, I use the following code to get thumbnail of image in Resources, and display on Picturebox. Image tmp = (System.Drawing.Image)myManager.GetObject(tempImage); cfgPassPicture[m].Image = tmp.GetThumbnailImage(40, 40, new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback), System.IntPtr.Zero); How do I do this for images in directory (instead of resources), given only the URL? I can load image into PictureBox via ImageLocation property, but not sure how to use Image property of PictureBox for this. Thanks

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  • facebook quote application error

    - by fusion
    how do i code a facebook quote application taking its data from php/mysql page generating quotes randomely? i've already developed one, but it's using jquery which fbml doesn't support and since i'd like the profile tab i'd rather go for fbml instead of iframe. anyone have any ideas on how to do this without jquery or using fbjs? thanks!

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  • Built-in precedence in Expression Trees?

    - by jdk
    I'm unable to find the .NET FCL built-in concept of precedence to leverage while constructing Expression Trees. Ref System.Linq.Expressions Namespace. Is this something that must be handled manually in code, or is it somehow implicit and I'm not recognizing it? Maybe through helper methods or classes? I want to apply it to math operations to ensure 3 + 5 * 10 results in 53 instead of 80.

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