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Flex: Method doesn't work when being called on parentDocument

- by ChrisInCambo

Hi, I wonder is anyone can look at this code and tell me why calling the removeSelectedChild works when called from the same document, but returns the following error when called from the child document/component. "ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller." <?xml version="1.0" encoding="utf-8"?>…

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Hibernate Envers : How to delete entries from my audit table?

- by Laurent T

Hi everyone, I am currently working with Hibernate Envers. My problem is the following : How to delete entries in the audit table related to the entity I want to delete? My entity has no relation with other entities. I figured out that I have to do that in onPostDelete method of my custom listener : import…

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What's the best way of accessing a DRb object (e.g. Ruby Queue) from Scala (and Java)?

- by Tom Morris

I have built a variety of little scripts using Ruby's very simple Queue class, and share the Queue between Ruby and JRuby processes using DRb. It would be nice to be able to access these from Scala (and maybe Java) using JRuby. I've put together something Scala and the JSR-223 interface to access…

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How to fix Java Image Fetcher error ?

- by Frank

My code looks like this : private static JFileChooser fc; if (fc==null) { fc=new JFileChooser(Image_Dir); fc.addChoosableFileFilter(new Image_Filter()); // Add a custom file filter and disable the default (Accept All) file filter. fc.setAcceptAllFileFilterUsed(false); …

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difference between http.context.user and thread.currentprincipal and when to use them?

- by yamspog

I have just recently run into an issue running an asp.net web app under visual studio 2008. I get the error 'type is not resolved for member...customUserPrincipal'. Tracking down various discussion groups it seems that there is an issue with Visual Studio's web server when you assign a…

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How do I loop through elements inside a div?

- by crosenblum

I have to make a custom function for search/replace text, because firefox counts text nodes differently than IE, Google Chrome, etc.. I am trying to use this code, that I saw at Firefox WhiteSpace Issue since in my other function, I am looping numerically through nodes, which serves my…

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Two pass JSP page rendering

- by dotsid

Suppose an example. I have following interface: public interface DataSource<T> { Future<T> fetch(); } This datasource can do asynchronous data fetching. And we have following tag for using datasource in JSP: <html> <d:fetch from="${orderDS}"…

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Running a Model::find in for loop in cakephp v1.3

- by Gaurav Sharma

Hi all, How can I achieve the following result in cakephp: In my application a Topic is related to category, category is related to city and city is finally related to state in other words: topic belongs to category, category belongs to city , city belongs to state.. …

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Message sent to deallocated instance which has never been released

- by Jakub

Hello, I started dealing with NSOperations and (as usual with concurrency) I'm observing strange behaviour. In my class I've got an instance variable: NSMutableArray *postResultsArray; when one button in the UI is pressed I initialize the array: postResultsArray…

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Clear tableView cell cache (or remove an entry)

- by ManniAT

Hi, I have the same question problem as described here http://stackoverflow.com/questions/2286669/iphone-how-to-purge-a-cached-uitableviewcell But my problem can't be solved with "resetting content". To be precise - I use a custom cell (own class). While running the…

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How to implement a category hierarchy using collections

- by Luke101

Hello, I have about 200 categories that are nested. I am currently reading the documention on the C5 generics library. I am not sure if the C5 library is overkill or not. I am looking at converting all my custom algorithms to the C5 implemention. This is what I need.…

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Setting synthesized arrays causing memory leaks using nested arrays

- by webtoad

Hello: Why is the following code causing a memory leak in an iPhone App? All of the initted objects below leak, including the arrays, the strings and the numbers. So, I'm thinking it has something to do with the the synthesized array property not releasing the object…

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Zend Framework Form Element Validators - validate a field even if not required

- by Jeremy Hicks

Is there a way to get a validator to fire even if the form element isn't required? I have a form where I want to validate the contents of a texbox (make sure not empty) if the value of another form element, which is a couple of radio buttons, has a specific value…

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MVC2 Modelbinder for List of derived objects

- by user250773

I want a list of different (derived) object types working with the Default Modelbinder in Asp.net MVC 2. I have the following ViewModel: public class ItemFormModel { [Required(ErrorMessage = "Required Field")] public string Name { get;…

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How can I display both Button and Button Name in Listbox Item from Code behind?

- by Subhen

Hi I have the following code , which assign a list of custom radio buttons to my List Box. List<RadioButton> listUserControlBtns = new List<RadioButton>(); customLocalFolderButton btnLocalFolder = new customLocalFolderButton(); customLocalFolderButton…

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Anyone NOT using a Web Framework? Why?

- by tom

I'm well aware of the many reasons to use a web framework. I'm just wondering whether anyone out there is using absolutely no web framework whatsoever to develop their web projects. I would really love to know the reason(s) why you're not using a web framework. …

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Using MATLAB's plotting features as an interactive part of a Fortran program

- by ldigas

Although many of you will have a decent idea of what I'm aiming at, just from reading the title -- allow me a simple introduction still. I have a Fortran program - it consists of a program, some internal subroutines, 7 modules with its own procedures, and ...…

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How can I create global context variables in JBOSS?

- by NobodyMan

This is a follow-up to a question I posted a while back: "Can I use a single WAR in multiple environments?". I was able to create a single-war solution in Tomcat, but now we are migrating our app to JBoss 4.2 and I can't figure out how to set up global…

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Are there any downsides in using C++ for network daemons?

- by badcat

Hey guys! I've been writing a number of network daemons in different languages over the past years, and now I'm about to start a new project which requires a new custom implementation of a properitary network protocol. The said protocol is pretty…

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What are major differences between C# and Java?

- by enba

I just want to clarify one thing. This is not a question on which one is better, that part I leave to someone else to discuss. I don't care about it. I've been asked this question on my job interview and I thought it might be useful to learn a bit…

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STL vector performance

- by iAdam

STL vector class stores a copy of the object using copy constructor each time I call push_back. Wouldn't it slow down the program? I can have a custom linkedlist kind of class which deals with pointers to objects. Though it would not have some…

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How to invoke make install for one subdirectory of Qt project

- by chalup

I'm working on custom library and I wish users could just use it by adding: CONFIG += mylib to their pro files. This can be done by installing mylib.prf file to %QTDIR%/mkspec/features. I've checked out in Qt Mobility project how to create…

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JSF, writeAttribute("value", str, null) fails with strings obtained through ValueExpression.getValue

- by Roma

Hello, I'm having a somewhat weird problem with custom JSF component. Here's my renderer code: public class Test extends Renderer { public void encodeBegin(final FacesContext context, final UIComponent component)…

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Is there a way to automatically load navigational property using the .NET Entity Framework?

- by René Wolferink

Stepping away more and more from writing SQL for my applications, I decided to give the Entity Framework a try. However, I've run into something I believe is causing me to write more code than I think is strictly necessary. When I accessed…

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Can't touch UITextField on UIScrollView

- by Chris B

Hey guys, I know this has been talked about a lot. I think I've gone thru every question on this site, and still have not been able to get this working. I'm new to developing but I have a good sense of what's going on with all of my…

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