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• Flex 3 color picker no color value

  - by kha.ya.ru

  I need "no color" value in flex 3/4 color picker component. Here are some options I've investigated: 1) External componet. Searched a lot but didn't managed to find a suitable one. There is a great color picker that meets my needs completely, but it is in action script 2 format. I need as3. 2) Enhance the existing built-in color picker component. So here I need your help. Do you have any ideas how the built-in color picker component can be enhanced in order to support "no color" value?

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• C# ListView Detail, Highlight a single cell

  - by Mike Christiansen

  Hello, I'm using a ListView in C# to make a grid. I would like to find out a way to be able to highlight a specific cell, programatically. I only need to highlight one cell. I've experimented with Owner Drawn subitems, but using the below code, I get highlighted cells, but no text! Are there any ideas on how to get this working? Thanks for your help. //m_PC.Location is the X,Y coordinates of the highlighted cell. void listView1_DrawSubItem(object sender, DrawListViewSubItemEventArgs e) { if ((e.ItemIndex == m_PC.Location.Y) && (e.Item.SubItems.IndexOf(e.SubItem) == m_PC.Location.X)) e.SubItem.BackColor = Color.Blue; else e.SubItem.BackColor = Color.White; e.DrawBackground(); e.DrawText(); }

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• Silverlight: DataContractSerializer cannot handle read only collection properties

  - by moonground.de

  Hey Stackoverflowers :) For our Silverlight Project (SL4) I'm using a Model which might contain Lists (IList<AnotherModel>). According to good practice and rule CA2227:CollectionPropertiesShouldBeReadOnly the IList properties don't have a public setter. We serialize the Model using the DataContractSerializer which is working. But when I try to deserialize, a SecurityException is thrown by DataContractSerializer's ReadObject(Stream) Method, complaining that the target property (pointing to the IList property) cannot be set due to a missing public setter. Since the DataContractSerializer is sealed and neither extendable nor flexible so I currently see no chance to add some kind of additional rules which allow to deserialize the ILists using a foreach-loop on Add() method or some other method of transferring the collection items. I've also tried to dig into DataContractSerializer source (using Reflector) to create a little fork but it looks like i'd have to dig very deep and replicating whole serialization classes doesn't seem to be a viable solution. Do you see another chance to serialize a List with no public setter using the DataContractSerializer? Thank you very much in advance for your ideas! Thomas

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• Urlrewriting.net pages are not causing postbacks

  - by Nick

  I'm using webforms with UrlRewriting.Net to rewrite pages, e.g. http://www.example.com/stuff.aspx?c=30 becomes http://www.example.com/stuff/30-this-stuff.aspx. It works in so far as the correct content is loading; however, none of the postbacks are working (mostly buttons on the page). If I set up a breakpoint on Page_Load, I see that IsPostBack is always false. Any ideas on how to fix this? Right now I'm just on Visual Studio 2008. EDIT: I have since switched to UrlRewriter.Net, which worked after a few tweaks (see Scott Gu's article). Besides here, I have posted my original problem to the developer's forum: if I ever get an answer, I'll post it here (unless else posts it here first).

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• Importing AutoCAD/Solidworks drawings/objects into winforms?

  - by Dinoo

  Has anybody done anything like that? I need to import 3d objects, done in either AutoCAD or Solidworks, and draw them into a windows form. I only need the object to be viewed in 3D and moved around - no manipulation required. I am assuming I will need 2 libraries at least, one for a very simple 3D engine, and one to actually get what I need from the CAD/SW files. Autodesk has a SDK available for developing AutoCAD plugins using .NET, but I am not sure if you can use it the other way around - loading files into the .NET app. Any help, links, and ideas are appreciated.

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• Ant Copy Task: Failed to copy due to java.io.FileNotFoundException

  - by rfkrocktk

  I'm trying to compile a Flex application in Ant (no problems here, I can do it fine). When I try to publish the contents of the project to a Windows network drive (known as "Z:\" on my system), I get the following LAME exception thrown by Java/Ant: BUILD FAILED C:\workspace\bkeller\build.xml:42: Failed to copy C:\workspace\bkeller\web\assets\text\biography.html to Z:\web\bkeller\assets\text\biography.html due to java.io.FileNotFoundException Z:\web\bkeller\assets\text\biography.html (The system cannot find the file specified) Which kind of sucks. I can't find any way to get rid of this problem and it's pretty crucial to my project that I get this working. I know for sure that I have read/write/execute permissions on the network drive, I can create/edit/delete files on the drive just fine through Windows explorer. Drive Z is a network mount to virtualbox, allowing me to get access to my host OS, Ubuntu. I've double checked that it has write permissions. Any ideas?

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• IoC with AutoMapper Profile using Autofac

  - by DownChapel

  I have been using AutoMapper for some time now. I have a profile setup like so: public class ViewModelAutoMapperConfiguration : Profile { protected override string ProfileName { get { return "ViewModel"; } } protected override void Configure() { AddFormatter<HtmlEncoderFormatter>(); CreateMap<IUser, UserViewModel>(); } } I add this to the mapper using the following call: Mapper.Initialize(x => x.AddProfile<ViewModelAutoMapperConfiguration>()); However, I now want to pass a dependency into the ViewModelAutoMapperConfiguration constructor using IoC. I am using Autofac. I have been reading through the article here: http://www.lostechies.com/blogs/jimmy_bogard/archive/2009/05/11/automapper-and-ioc.aspx but I can't see how this would work with Profiles. Any ideas? Thanks

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• Trouble switching to the beta ajaxcontroltoolkit

  - by SLC

  I wanted to switch to the beta version to see if it fixes a problem I have been having, so I downloaded it and put two dll files into my bin folder. I deleted the old references to these files in visual studio, and re-added them. When I run my program I get an error: Microsoft JScript runtime error: AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced. If you are using an ASP.NET ScriptManager, switch to the AjaxScriptManager in System.Web.Ajax.dll, or use the ToolkitScriptManager in AjaxControlToolkit.dll. I can't figure out how to fix this. I have the new System.Web.Ajax.dll added to visual studio, but I can't see any AjaxScriptManager anywhere... Any ideas?

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• Facebook FQL Question

  - by Michael

  I'm trying to use the Facebook Javascript API to run FQL queries, and it works fine if I try and get users by username or uid, but doesn't work when I'm searching by name. function get_username() { var name = prompt("Enter name: ") FB.api( { method: 'fql.query', query: 'SELECT username FROM user WHERE name in "'+name+'"' }, function(response) { var x = response[0].username alert('Username is ' + x); } ); } I realize that this will probably return multiple users, but I can't figure out how to tell if it's returning multiple users or no users at all, it seems to freeze after trying to get response[0].username. I'm probably making a beginner mistake but any ideas?

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• How to download media content on demand and reuse from browser cache in silverlight

  - by Andrew

  Hi. I have a problem with simple silverlight app, this app has a couple of buttons, each button sets mediaelement source to a short mp3 file and plays it, my problem is that when i press the same button second time it re-downloads mp3 file again but i think it shouldn't, instead it should use a copy of browser cached mp3 file that was downloaded when a button was pressed for the first time. I'm using sl4 and links in mediaelement are just simple uri's, i need to make it working in this way that when some mp3 was downloaded it will be cached on the client browser and further click on button will use a cached version of file instead of downloading it again and wasting my bandwidth. Any ideas ?

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• Security failure - This is not a secure document but has security embed parameters

  - by dimitris mistriotis

  I try to create a private version and therefore I used something like this in php: var scribd_doc = scribd.Document.getDoc( 28394353, 'xxx'); scribd_doc.addParam("use_ssl", true); scribd_doc.addParam('public', false); scribd_doc.grantAccess("cbccf6e7-1ff7-9034-8a7c-a0c2a5b225ed", <?php echo "'" . trim($_COOKIE['PHPSESSID']) . "'" ?>, <?php echo "'" . scribd_calculate_signature($documentID = '28394353', $sessionID = trim($_COOKIE['PHPSESSID']), $userID = "cbccf6e7-1ff7-9034-8a7c-a0c2a5b225ed") . "'" ?>); ... ... scribd_doc.write( 'embedded_flash' ); Which is the api of scribd for javascript with the addition of the signature. My result is the "Security failure - This is not a secure document but has security embed parameters" Error, which is not well documented. The document is set to private. Any ideas?

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• Complex reporting on subversion (possibly Export Subversion log into database for reporting)

  - by James A. N. Stauffer

  What is the best way to do complex reporting on subversion logs like the following for each file? file, directory, last revision date, previous revision date(where revision date is at least 30 older than last), days diff(between revision dates) Since Subversion allows on revision to change multiple files I assume svn log needs to be run against each file individually. Ideas (that don't seem very good): Shell scripting to produce a csv file to be imported to a DB. The following is a start but doesn't show the filename: find . -name "." -print | xargs -l svn log -l 2 Shell scripting to produce XML and then use XSLT to create CSV to import to a DB. It might use a similar command to above but would still have some of the same limitation. Write a program to just parse the log on the whole directory tree, make one insert to DB per revision/file combination, and then query the DB.

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• Bug with audio reCaptcha in safari

  - by George Crawford

  Hi all, Can other Safari users please test http://recaptcha.net/learnmore.html for me, to see if the audio reCaptcha plays properly? On my machine, I can only hear the audio if I click the Download sound as MP3 link. I also don't get the spoken introduction at all. It works OK in Firefox and Chrome. I was alerted to this bug on my own development site, using the Zend Service for ReCaptcha. However, if it's broken on the official site, then I guess it's not a Zend bug. There don't seem to be any JavaScript errors. Any ideas?

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• Ruby/Rails display general screen when modifications being performed on server

  - by john chan

  I have a ruby on rails app running a server and sometimes it needs to be taken down for updates/etc. As of now, one way I see to have a general display screen during update periods (when the app is down) is to substitute the files within /srv/www/ directory to just have it display a general screen everywhere that the user could possibly navigate to. I also thought of having a central controller file that connects all others (essentially a main) but this seems counter intuitive for rails. There are many external links to these different components of the site that the user could navigate to from outside and I need to make sure that they always receive this general update screen when the app is taken down for a little. I was wondering if anyone had any other ideas.... maybe a library or something like that, I can't seem to find anything online. any suggestions would be appreciated. Thanks

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• Spring Webflow: cannot get flow execution url at action phase of portlet

  - by tabdulin

  The following exception is thrown: Caused by: java.lang.IllegalStateException: A flow execution action URL can only be obtained in a RenderRequest using a RenderResponse at org.springframework.webflow.context.portlet.PortletExternalContext.getFlowExecutionUrl(PortletExternalContext.java:2 06) at org.springframework.webflow.engine.impl.RequestControlContextImpl.getFlowExecutionUrl(RequestControlContextImpl.java :178) at org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:172) at org.springframework.webflow.engine.ViewState.render(ViewState.java:282) at org.springframework.webflow.engine.ViewState.refresh(ViewState.java:241) at org.springframework.webflow.engine.ViewState.resume(ViewState.java:219) at org.springframework.webflow.engine.Flow.resume(Flow.java:545) at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259) ... 62 more It seems for me like resuming execution of flow at action phase tries to do render phase's stuff. Any ideas?

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• WebResource.axd - Invalid ViewState

  - by Rob

  I keep seeing these errors in our error log. Any ideas how i can figure out where its coming from, or better yet how to fix the problem? System.Web.HttpException: Invalid viewstate. at System.Web.UI.Page.DecryptString(String s) at System.Web.Handlers.AssemblyResourceLoader.System.Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Update Here is what I have tried so far - we are running a single web server (no farm) Adding a Machine Key value to web.config

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• Dataset -> XML Document - Load DataSet into an XML Document - C#.Net

  - by NLV

  Hello I'm trying to read a dataset as xml and load it into an XML Document. XmlDocument contractHistoryXMLSchemaDoc = new XmlDocument(); using (MemoryStream ms = new MemoryStream()) { //XmlWriterSettings xmlWSettings = new XmlWriterSettings(); //xmlWSettings.ConformanceLevel = ConformanceLevel.Auto; using (XmlWriter xmlW = XmlWriter.Create(ms)) { xmlW.WriteStartDocument(); dsContract.WriteXmlSchema(xmlW); xmlW.WriteEndDocument(); xmlW.Close(); using (XmlReader xmlR = XmlReader.Create(ms)) { contractHistoryXMLSchemaDoc.Load(xmlR); } } } But I'm getting the error - "Root Element Missing". Any ideas? Update When i do xmlR.ReadInnerXML() it is empty. Does anyone know why? NLV

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• Ruby 1.9.2 and ruby-debug19 "undefined symbol: ruby_current_thread "

  - by Chris McCauley

  Hi, I'm getting the following error while trying to require 'ruby-debug' /home/chris/.rvm/gems/ruby-1.9.2-preview1/gems/ruby-debug-base19-0.11.23/lib/ruby_debug.so: /home/chris/.rvm/gems/ruby-1.9.2-preview1/gems/ruby-debug-base19-0.11.23/lib/ruby_debug.so: undefined symbol: ruby_current_thread - /home/chris/.rvm/gems/ruby-1.9.2-preview1/gems/ruby-debug-base19-0.11.23/lib/ruby_debug.so (LoadError) from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require' from /home/chris/.rvm/gems/ruby-1.9.2-preview1/gems/ruby-debug-base19-0.11.23/lib/ruby-debug-base.rb:1 from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' from /home/chris/.rvm/gems/ruby-1.9.2-preview1/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5 from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require' from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require' from ./bin/debug:5 I'm using ruby 1.9.2dev (2009-07-18 trunk 24186) [i686-linux] via rvm and the ruby-debug19 gem installed ok. Any ideas? Thanks Chris

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• flex 4: swfloader - how to mute game completly

  - by ufk

  Hiya. Ive read some answers here regarding muting swfloader volume but none of the examples would work in flex 4. I tried doinf the following: this._swfGame.source=url; this._swfGame.soundTransform = new SoundTransform(0.0); this would shut down the volume of the preloader, but when the game starts the volume is back to normal. i tried adding the following to the previous code: this._swfGame.addEventListener(Event.COMPLETE,this._configSwf); private function _configSwf(event:Event):void { this._swfGame.removeEventListener(Event.COMPLETE, _configSwf); var soundTransform:SoundTransform = new SoundTransform(0.0); // TODO: set proper volume this._swfGame.soundTransform = soundTransform; } but i got the same results. any ideas? thanks!

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• OAuth Callback procedure for mobile devices

  - by behrk2

  Hello, I am designing a Netflix Application for BlackBerry mobile devices. I am currently working on the OAuth. I am at the point where I can generate a Netflix login page in an embedded browser field in my application. After the user signs in, Netflix will send the user from the login page to a specified callback url. The callback url will also contain an authorized token, which is then needed to send back to Netflix. My question is: How am I supposed to do this on a mobile device? Is there a procedure set in place? I am unsure how I can extract the authorized token from the callback URL and send it back to my application. From my research, it does not appear that Netflix will provide a PIN/verifier for the user to then type into the application... Does anyone have any ideas? Thanks...

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• Button layed out using layout_toLeftOf in a RelativeLayout does not show up

  - by rodion

  Hello all, I am trying to layout a Button to the left of a TextView that is centered on the screen. My layout looks like this: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="foo" android:id="@+id/center" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Left button" android:layout_toLeftOf="@id/center" /> </RelativeLayout> Unfortunately, the button just does not appear. I get the following result: As you see, the button doesn't show up. It works if I use layout_toRightOf, then the button appears to the right of the TextView, just as expected. Any ideas what I am doing wrong here?

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• PHP explode not filling in array spot 0

  - by Billy Winterhouse

  I have a file we will call info.txt under UNIX format that has only the following in it: #Dogs #Cats #Birds #Rabbits and am running this against it: $filename = "info.txt"; $fd = fopen ($filename, "r"); $contents = fread ($fd,filesize ($filename)); fclose ($fd); $delimiter = "#"; $insideContent = explode($delimiter, $contents); Now everything looks to be working fine except when I display the array I get the following. [0] => [1] => Dogs [2] => Cats [3] => Birds [4] => Rabbits I checked the .txt file to make sure there wasn't any space or hidden characters in front of the first # so I'm at a loss of why this is happening other than I feel like I'm missing something terribly simple. Any ideas? Thanks in advanced!

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• Getting started with zxing on android

  - by amitlicht

  Hi I'm trying to add zxing to my project (add a button which calls the scanner upon press). I found this: http://groups.google.com/group/android-developers/browse_thread/thread/788eb52a765c28b5 and of course the zxing homesite: http://code.google.com/p/zxing/, but still couldn't figure out what to include in the project classpath to make it all work! as for now, I copied the classes in the first link to my project (with some package name changes), and it runs but crashes after pressing the button and trying to install the barcode scanner. some code: private void setScanButton(){ Button scan = (Button) findViewById(R.id.MainPageScanButton); scan.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { IntentIntegrator.initiateScan(MyActivity.this); } }); } resulting error (from logcat): 06-13 15:26:01.540: ERROR/AndroidRuntime(1423): Uncaught handler: thread main exiting due to uncaught exception 06-13 15:26:01.560: ERROR/AndroidRuntime(1423): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=market://search?q=pname:com.google.zxing.client.android } Ideas?

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• Blackberry support for Forms Authentication - ASP.NET MVC app

  - by Derek Mitchell

  I'm writing an ASP.NET MVC application that uses Forms Authentication. The target clients are a variety of mobile web browsers. When I use the BlackBerry 8530 simulator my MVC app authenticates as expected. I can visit pages whose controller methods are decorated with the [Authorize] attribute - no problem - they display and therefore I assume my Forms Authentication is working correctly. Using a physical Windows Mobile device to browse my site, I have the same experience as the BB simulator, the forms authentication works as I would expect. BUT when I try to visit the site using a Blackberry 8900 physical device the Login page keeps on looping back when I click the Login page. The device is not retaining it's "authenticated" status. I added code to verify this and I can see that: Request.IsAuthenticated: False User.Identity.IsAuthenticated: False So my question is what next steps can I take to try and find out why the Blackberry 8900 is losing it's authentication status. Is this cookie related? Anyone have any ideas? Cheers Derek

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• Pixel Shader Effect Examples

  - by Chris Nicol

  I've seen a number of pixel-shader effect examples, stuff like swirl on an image. But I'm wondering if anyone knows of any examples or tutorials for more practical uses of shader effects? I'm not saying that a swirl effect doesn't have it's uses, it's just that many of the examples I've found have the basic effect explained and don't go into how it might be used subtly with another effect or transition to produce a wonderful effect. There's a video here, that outlines all the WPF Effects Library, but I'm not sure how I would use some of them in a practical context. For example, when Flash 8 came out with effects like blur, I found a wonderful video that showed how to use the blur effect to create a cool effect with speeding text, that video inspired many ideas of what I could do with the effects in Flash 8. I'm looking for something similar with Pixel Shader Effects.

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