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• In a JTable, how do I render a checkbox column with a dirty marker?

  - by Kevin Stembridge

  Hi all, I'm trying to show a marker on checkbox columns in a JTable to indicate that the value is dirty. I'm having trouble coming up with a way to render the marker. I've tried setting an icon on the JCheckbox but this just renders the icon instead of the checkbox. I've tried using a Panel but it messes up the layout. Does anyone have an idea what is the best way to do this? Thanks

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• Problem storing an RSS feed in Flex 4

  - by ben

  Hey guys, I'm having some trouble storing the results of an RSS feed in my Flex 4 app. Here is the variables view, showing the result of the HTTPService which gets the feed: And here is the code I use to store the result: public var rssXML:XML; rssXML = event.result as XML; But after this code is run, rssXML is still null. What am I doing wrong? Thanks for reading.

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• How to raise a validation event from a key press

  - by flavour404

  Hi, I want to raise the: private void txtbox_startdate_Validating(object sender, System.ComponentModel.CancelEventArgs e) {} Function from a key leave event. The leave event looks like: private void txtbox_startdate_Leave(object sender, EventArgs e) {} The trouble is of course if I try and call it in this manner: txtbox_startdate_Validating(sender, e) An error is raised because in this case 'e' is an EventArgs whereas the validation function wants a System.ComponentModel.CancelEventArgs and so, how do I convert EventArgs to a System.ComponentModel.CancelEventArgs or create one so that I can call my validation function? Thanks, R.

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• EC2 Instance Available Bandwidth?

  - by Dr.HappyPants

  Is there any way to determine what should be your available bandwidth on EC2? Documentation seems to indicate that it should be based on your instance size, but I'm having a bit of trouble finding any specific numbers.

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• Debugger in an iPhone app session not launched from tapping a springboard icon

  - by Squeegy

  I'm trying to debug an issue that only occurs when my iPhone app receives a push notification. The trouble is I can't figure out how to get a debugger, or even view any NSLog output, when my app is launched in this way. Xcode gives me a debugger and the gdb console when it launches an app for me. So how do I run my app in the debugger when Xcode does not launch my app for me?

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• Flash: Am i totally misunderstanding Event Listening?

  - by Kohan

  I don't know why but i am having trouble getting my head round event dispatching. Take this for example. someClass():Void{ this.addEventListener("onChange",someObj); } Am i right in assuming this means that someClass is listening for an onChange event and when it gets it, it is then going to fire the onChange method on someObj? Thanks, Kohan.

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• Asp.net Ajax SlideShowExtender won't load images on server?

  - by P a u l

  You can see from the comments on this page that people are having trouble loading images on a server, but they load ok on localhost. Do you have any idea why this would not work? The page and control appear ok otherwise, just no images. Someone must have figured this out by now?

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• How would one rotate an image around itself using Canvas?

  - by Wolfr

  I'm having trouble roating an image around itself using Canvas. Since you can't rotate an image you have to rotate the canvas: if I rotate the canvas by a degree the origin around which I want to rotate changes. I don't get how to track this change. This is my current code: http://pastie.org/669023 And a demo is at http://preview.netlashproject.be/cog/ If you want to give things a shot the zipped up code and image is at http://preview.netlashproject.be/cog/cog.zip

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• regular expression for letters, numbers and - _ .

  - by Jorre

  I'm having trouble checking in PHP if a value is is any of the following combinations letters (upper or lowercase) numbers (0-9) underscore (_) dash (-) point (.) no spaces! or other characters a few examples: OK: "screen123.css" OK: "screen-new-file.css" OK: "screen_new.js" NOT OK: "screen new file.css" I guess I need a regex for this, since I need to throw an error when a give string has other characters in it than the ones mentioned above.

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• cocoa -- What is the proper way to tell an NSWindow to redisplay its contents?

  - by William Jockusch

  According to the NSWindow Class Reference, you should "rarely need to invoke" the NSWindow methods "display" or "setViewsNeedDisplay". So what is the usual way to redisplay the window's contents? EDIT: I am having trouble dealing with resizing events. I just want to have everything scale proportionally. See this question. As no one seems to have any ideas for using masks to get it to happen, I want to redraw the whole thing.

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• PHP get a boolean when it is set later in the page

  - by Thomas

  In the header of my page I have a conditional statement to check if $foo boolean is set, the trouble is that the $foo boolean doesn't get set until the footer is loaded. Any way to retroactively check the status of this boolean?

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• Difference between Covariance & Contra-variance

  - by jane doe

  I am having trouble understanding the difference between covariance and contravariance. My understanding is one supports out, as in "action" with no return type, which is casting to. The other takes in an argument and is casting from, is this correct?

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• Getting RAW Soap Data from a Web Reference Client running in ASP.net

  - by Harry

  I'm trying to trouble shoot a web service client in my current project. I'm not sure of the platform of the Service Server (Most likely LAMP). I believe there is a fault on their side of the fence as i have eliminated the potential issues with my client. The client is a standard ASMX type web reference proxy auto generated from the service WSDL. What I need to get to is the RAW SOAP Messages (Request and Responses) What is the best way to go about this?

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• MPMoviePlayerController playback problem

  - by Fahri

  Hello all, I'm having trouble with playing audio stream using MPMoviePlayerController in the background. On the foreground it's playing the audio just fine, but when the application goes to the background, sound disappears and the time keeps going. I have initialized the AVAudioSession with AVAudioSessionCategoryPlayback and have put the required background modes to audio in info.plist file. Also I have set player.useApplicationAudioSession = YES;. What could be the possible problem here? Thanks in advance :)

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• jquery hide certain form elements untill a certain textfield has been populated?

  - by Rubytastic

  I have a long signup form and would like to hide a few fields and only show them when a certain input field is populated with text, if the user types some text in this field the other form fields will show. I have looked at hide and show divs but have some trouble getting form elements hide and show them on a certain trigger ( populating a form with text ) anyone can point me in the right direction on how to implement such feature in query ? thx in advanche!

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• Accessing raw touch data from iPhone screen

  - by Adam

  I know Apple went to a lot of trouble to convert a big blob of touch data to a nice single point, and I appreciate it, but does anyone know how to access the raw data before it's processed? Official or unofficial method, it doesn't matter.

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• Scraping &#151 character (long dash) error in Nokogiri

  - by DavidP6

  I having trouble scraping a certain long dash that is encoded as — ; on the Time magazine site. It looks like this: —. It works fine when this dash is encoded as mdash, but when the problem dash is scraped, it is returned as unknown characters. I am using Nokogiri and am wondering if I have to use some sort of special encoding? The page says it is encoded with UTF-8.

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• automate operations within a Virtualbox machine

  - by samb

  Hi, I'm Having some trouble in a vm that seems to occur only once in a hundred during shutdown/reboot. To help the debug, I'm thinking to write a script that runs on my desktop, which starts the vm and automate operations for a huge number of times (keyboard key pressed) whithin it. (VirtualBox preferred). It's just exactly how a script using the expect lib would do with a program in command line. I'm not sure it's possible, but anyway, if anyone has an idea... Cheers

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• vbscript/sql adding a column to an insert statement

  - by user228058

  I am trying to add an additional column and value to an existing insert query - both integers, and running into trouble. Anything to look out for?

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• Why my jar file build by eclipse cannot run on blackberry???

  - by user315253

  Hello everybody!I build a project in eclipse for my blackberry.I got a trouble that the jar cannot runs on my phone with the error "907 Invaild JAR Descriptor missing required atrribute:MIDlet-1".Need your help.

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• BackgroundWorker Thread in IIS7 - FAIL!

  - by Darren Oster

  Just wondering if anyone has had any trouble using a BackgroundWorker Thread in a site running under IIS 7 in Integrated Pipeline mode? I am trying to use such a beast to update the database schema (admin function, obviously), and it works perfectly in Cassini, but when I deploy to IIS 7, the thread gets about one line of code in and silently ends. Is there a way to tell why a thread ended? Thanks in advance.

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• Quickest way to run a linux dev-environment inside windows

  - by Industrial

  Hi everyone, I get more and more trouble from running WAMP on my XP computer to solve my local development needs. It feels like as more and more things just go wrong or could not be installed at all to a Windows version of PHP. I have been looking for an alternative and found AndLinux plus this link. Would it be a good idea to get an Ubuntu box running virtually on my XP computer to simulate the production web server?

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• Using PyUNO on Windows and CentOS

  - by Karim

  Is there any way to use OpenOffice's PyUNO without using the version of Python that comes with OpenOffice? I mean, can I install a package (on Windows and CentOS) that uses the version of Python that's already on the server? I'm trying to use OpenOffice in headless mode so that I can do document conversion with a script (ultimately on a hosted server running CentOS) but my development work is being done on Windows and occassionally the Mac). I'm having nothing but trouble getting this to work.

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• Creating Unix Commands with Xcode

  - by golfromeo

  Hello, I'm trying to make a Terminal Unix command with XCode, and I'm having a little trouble... What I've been doing is creating a "Standard Tool" written in C in XCode, then copying the produced executable to Developer/Tools/. What am I doing wrong? Thanks for any help in advance.

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• Using a Cyc Image in Windows

  - by nrhine1

  Hi, I am trying to use a Microtheory for a research project I am working on, and am having trouble getting my saved Image of constants I create to work correctly. I save the image after creating the constants using (write-image "world\MyImage") and then going to the \server\run\ directory and using run-cyc-32bit.bat -w "world\MyImage" It loads the server correctly, but not with my constants. I found the above command at the reference page here. Thank you for any help

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