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• Create WPF Browser (XBAP) Application in PowerBuilder 12?

  - by Jacob Reyes

  Hi, Is it possible to create XBAP applications in Powerbuilder 12 ? I learned that powerbuilder 12 supports WPF but im not sure about WPF Browser (XBAP) Apps. Any help or link is appreciated. Thanks!

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• Do PHP Framworks Speed Up the Development Process?

  - by Jacob

  I recently started working for a web firm as a freelancer taking my hobby of coding in PHP to a career level, and since then I have been overwhelmed by the amount of work that needs to be done within short time frames. The problem isn't being able to do what is asked, but being able to do it all as quickly as is needed of me. I never used any PHP frameworks, but if I started using one, would that speed up the entire development process? If so, how drastically? Also which framework would be best for my purpose? If it matters, what I do is mostly build back end cms's and tie that with front end functionality for small business client sites.

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• Android: Saving custom button and spinner on orientation change

  - by Jacob Huggart

  Hello All, I am new to Android programming and was handed a fairly large program that is almost complete, but needed support for switching between portrait and landscape view. I added android:configChanges="keyboardHidden|orientation" to the manifest and used onConfigurationChanged to save the view data and that works. However, there is a button that displays the date selected (when pressed a calendar to select the date comes up) and a spinner that displays the current view and is used to select a new view. Those two items are being cleared/reset and do not work at all after the screen flip. I have been attempting to use onSaveInstanceState and onRestoreInstanceState to fix that, but I cannot figure out how to get it to work. Any advice? FYI, This is how my spinner is set up: Spinner s = (Spinner) findViewById(R.id.siteSelector); ArrayAdapter<?> adapter = ArrayAdapter.createFromResource( this, R.array.sites, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); s.setAdapter(adapter);

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• Core Data - Calculated Fields

  - by Jacob

  Hi, I Know how to use core data with UITableview but how can I use the NSFetchedController to get calculated fields. Is there an example I can follow? LIke i want to go through all the NSManagedObjects and then add its "mark" field but can this be done in easier way or do I have to do it all manually. Thanks

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• Add Silverlight Bing Maps Control to Windows Mobile 7 application

  - by Jacob

  I know the bits just came out today, but one of the first things I want to do with the newly released Windows Mobile 7 SDK is put a map up on the screen and mess around. I've downloaded the latest version of the Silverlight Maps Control and added the references to my application. As a matter of fact, the VS 2010 design view of the MainPage.xaml shows the map control after adding the namespace and placing the control. I'm using the provided VS 2010 Express version that comes with the Win Mobile 7 SDK and have just used the New Project - Windows Phone Application template. When I try to build I get two warnings related to the Microsoft.Maps.MapControl dll's. Warning 1 The primary reference "Microsoft.Maps.MapControl, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the framework assembly "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e" which could not be resolved in the currently targeted framework. "Silverlight,Version=v4.0,Profile=WindowsPhone". To resolve this problem, either remove the reference "Microsoft.Maps.MapControl, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" or retarget your application to a framework version which contains "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e". Warning 2 The primary reference "Microsoft.Maps.MapControl.Common, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the framework assembly "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e" which could not be resolved in the currently targeted framework. "Silverlight,Version=v4.0,Profile=WindowsPhone". To resolve this problem, either remove the reference "Microsoft.Maps.MapControl.Common, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" or retarget your application to a framework version which contains "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e". I'm leaning towards some way of adding the System.Windows.Browser to the targeted framework version. But I'm not even sure if that is possible. To be more specific; I'm looking for a way to get the Silverlight Maps Control up on a Windows Phone 7 series application. If possible. Thanks.

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• Running multiprocess applications from MATLAB

  - by Jacob

  I've written a multitprocess application in VC++ and tried to execute it with command line arguments with the system command. It runs, but only on one core --- any suggestions? Update:In fact, it doesn't even see the second core. I used OpenMP and used omp_get_max_threads() and omp_get_thread_num() to check and omp_get_max_threads() seems to be 1 when I execute the application from MATLAB but it's 2 (as is expected) if I run it from the command window.

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• Delete a photo from the user's photo library?

  - by Jacob Relkin

  Hi, Is there a way I can delete an image that is loaded into my app from a UIImagePickerController? I want to be able to delete the image from the user's photo library when the user performs a specific action. I am prompting the user to choose a image from their library, then it gets loaded into my app at which point the app does some shnazzy animation, then actually deletes the image. Please help!

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• SQL Stored Procedure: Business Hours

  - by Jacob

  How can I create a stored procedure that accepts a start and end date.(e.g April 1 - April 30 1.) Get the business days including Saturdays x (a value). Plus 2.) Get Holidays x (a value) and return the total. I'm new to this, I guess it would be a tsql function. hmm. any help would be appreciated. Thanks

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• UIBarButtonItem: target-action not working?

  - by Jacob Relkin

  Hey fellas, I've got a custom view inside of a UIBarButtonItem, set by calling -initWithCustomView. OK, so the view renders fine, but when I tap it, it doesn't call the method that I set as the UIBarButtonItem's action property. Oh, and I have verified that my -deselectAll method works fine. Here's my code: UIImageView *SOCImageView = [[ UIImageView alloc ] initWithImage:[ UIImage imageNamed: @"cancel_wide.png" ] ]; SOItem.leftBarButtonItem = [[ UIBarButtonItem alloc ] initWithCustomView: SOCImageView ]; [ SOCImageView release ]; [ SOItem.leftBarButtonItem setTarget: self ]; [ SOItem.leftBarButtonItem setAction: @selector( deselectAll ) ]; Thanks a million

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• Introduction to 3D Graphics Programming

  - by Jacob Relkin

  Hi everyone! I'm a self-taught programmer with absolutely nil 3D programming experience. A client of mine has related to me an idea for an iPhone app that requires OpenGL ES 2.0 for it's inherently complex 3D structure and animations. Where do I start on this ( albeit long ) journey toward OpenGL ES competence? I'm willing to put in a tremendous amount of time and effort into learning, and if i could please get some pointers to where I should start and what to expect, that would be awesome!

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• emacs elisp buffer not running font lock mode until opened by user

  - by jacob

  My problem is I am opening a buffer using (set-buffer (find-tag-noselect (current-word))) and then I try to copy some text out of that buffer. The text that I get back has only the properties (fontified nil). find-tag-noselect automatically opens the buffer found in the TAGS file but it seems it does not run the font lock mode over it. When I manually switch to this buffer after it has been opened and then run the function again when it copies the text it has all the correct text properties attached. So what do I need to do to have this buffer completely initialized so that the correct syntax highlighting will be copied in?

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• noClassDefFoundError using Scala Plugin for Eclipse

  - by Jacob Lyles

  I successfully implemented and ran several Scala tutorials in Eclipse using the Scala plugin. Then suddenly I tried to compile and run an example, and this error came up: Exception in thread "main" java.lang.NoClassDefFoundError: hello/HelloWorld Caused by: java.lang.ClassNotFoundException: hello.HelloWorld at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:330) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398) After this point I could no longer run any Scala programs in Eclipse. I tried cleaning and rebuilding my project, closing and reopening my project, and closing and reopening Eclipse. Eclipse version number 3.5.2 and Scala plugin 2.8.0 Here is the original code: package hello object HelloWorld { def main(args: Array[String]){ println("hello world") } }

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• Cannot add Silverlight Maps Control to Windows Mobile 7 application

  - by Jacob

  I know the bits just came out today, but one of the first things I want to do with the newly released Windows Mobile 7 SDK is put a map up on the screen and mess around. I've downloaded the latest version of the Silverlight Maps Control and added the references to my application. As a matter of fact, the VS 2010 design view of the MainPage.xaml shows the map control after adding the namespace and placing the control. I'm using the provided VS 2010 Express version that comes with the Win Mobile 7 SDK and have just used the New Project - Windows Phone Application template. When I try to build I get two warnings related to the Microsoft.Maps.MapControl dll's. Warning 1 The primary reference "Microsoft.Maps.MapControl, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the framework assembly "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e" which could not be resolved in the currently targeted framework. "Silverlight,Version=v4.0,Profile=WindowsPhone". To resolve this problem, either remove the reference "Microsoft.Maps.MapControl, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" or retarget your application to a framework version which contains "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e". Warning 2 The primary reference "Microsoft.Maps.MapControl.Common, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the framework assembly "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e" which could not be resolved in the currently targeted framework. "Silverlight,Version=v4.0,Profile=WindowsPhone". To resolve this problem, either remove the reference "Microsoft.Maps.MapControl.Common, Version=1.0.1.0, Culture=neutral, PublicKeyToken=498d0d22d7936b73, processorArchitecture=MSIL" or retarget your application to a framework version which contains "System.Windows.Browser, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e". I'm leaning towards some way of adding the System.Windows.Browser to the targeted framework version. But I'm not even sure if that is possible. To be more specific; I'm looking for a way to get the Silverlight Maps Control up on a Windows Phone 7 series application. If possible. Thanks.

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• ClassCastException when casting custom View subclass

  - by Jens Jacob

  Hi I've run into an early problem with developing for android. I've made my own custom View (which works well). In the beginning i just added it to the layout programmatically, but i figured i could try putting it into the XML layout instead (for consistency). So what i got is this: main.xml: [...] <sailmeter.gui.CompassView android:id="@+id/compassview1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/widget55" android:background="@color/white" /> [...] CompassView.java: public class CompassView extends View { } SailMeter.java (activity class): public class SailMeter extends Activity implements PropertyChangeListener { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); compassview = (CompassView) findViewById(R.id.compassview1); [...] } } (Theres obviously more, but you get the point) Now, this is the stacktrace: 05-23 16:32:01.991: ERROR/AndroidRuntime(10742): Uncaught handler: thread main exiting due to uncaught exception 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): java.lang.RuntimeException: Unable to start activity ComponentInfo{sailmeter.gui/sailmeter.gui.SailMeter}: java.lang.ClassCastException: android.view.View 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread.access$2200(ActivityThread.java:126) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.os.Handler.dispatchMessage(Handler.java:99) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.os.Looper.loop(Looper.java:123) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread.main(ActivityThread.java:4595) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at java.lang.reflect.Method.invokeNative(Native Method) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at java.lang.reflect.Method.invoke(Method.java:521) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at dalvik.system.NativeStart.main(Native Method) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): Caused by: java.lang.ClassCastException: android.view.View 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at sailmeter.gui.SailMeter.onCreate(SailMeter.java:51) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2544) 05-23 16:32:02.051: ERROR/AndroidRuntime(10742): ... 11 more Why cant i cast my custom view? I need it to be that type since it has a few extra methods in it that i want to access. Should i restructure it and have another class handle the logic, and then just having the view being a view? Thanks for any help.

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• iPhone smooth move and pinch of UIImageView

  - by Jacob

  I have an image view that I'm wanting to be able to move around, and pinch to stretch it. It's all working, but it's kinda jumpy when I start to do any pinch movements. The position will jump back and forth between the two fingers. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { startLocation = [[touches anyObject] locationInView:mouth_handle]; if([touches count] == 2) { NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; UITouch *second = [twoTouches objectAtIndex:1]; initialDistance = distanceBetweenPoints([first locationInView:mouth_handle],[second locationInView:mouth_handle]); } } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { CGPoint pt = [[touches anyObject] locationInView:mouth_handle]; CGRect frame = [mouth_handle frame]; frame.origin.x += pt.x - startLocation.x; frame.origin.y += pt.y - startLocation.y; frame.origin.x = (frame.origin.x < 58) ? 58 : frame.origin.x; frame.origin.x = (frame.origin.x > (260 - mouth_handle.frame.size.width)) ? (260 - mouth_handle.frame.size.width) : frame.origin.x; frame.origin.y = (frame.origin.y < 300) ? 300 : frame.origin.y; frame.origin.y = (frame.origin.y > 377) ? 377 : frame.origin.y; if(frame.origin.x - prevDistanceX > 2 && frame.origin.x - prevDistanceX < -2) frame.origin.x = prevDistanceX; if(frame.origin.y - prevDistanceY > 2 && frame.origin.y - prevDistanceY < -2) frame.origin.y = prevDistanceY; prevDistanceX = frame.origin.x; prevDistanceY = frame.origin.y; CGFloat handleWidth = mouth_handle.frame.size.width; if([touches count] == 2) { NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; UITouch *second = [twoTouches objectAtIndex:1]; CGFloat currentDistance = distanceBetweenPoints([first locationInView:mouth_handle],[second locationInView:mouth_handle]); handleWidth = mouth_handle.frame.size.width + (currentDistance - initialDistance); handleWidth = (handleWidth < 60) ? 60 : handleWidth; handleWidth = (handleWidth > 150) ? 150 : handleWidth; if(initialDistance == 0) { initialDistance = currentDistance; } initialDistance = currentDistance; } mouth_handle.frame = CGRectMake(frame.origin.x, frame.origin.y, handleWidth, 15); } Any thoughts on how to make this smoother?

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• Linq to NHibernate wrapper issue using where statement

  - by Jacob

  I'am using wrapper to get some data from table users IQueryable<StarGuestWrapper> WhereQuery = session.Linq<User>().Where(u => u.HomeClub.Id == clubId && u.IsActive).Select( u => new StarGuestWrapper() { FullName = u.Name + " " + u.LastName, LoginTime = DateTime.Now, MonthsAsMember = 2, StarRating = 1, UserPicture = u.Photo.PhotoData, InstructorFullName = "Someone Xyz", TalkInteractionDuringSession = true, GoalInteractionDuringSession = false }); I use this without a problem as a IQueryable so I can do useful things before actually running the query. Like : WhereQuery.Skip(startRowIndex).Take(maximumRows).ToList(); and so on. The problem occurs using 'where' statement on query. For example: WhereQuery.Where(s => s.StarRating == 1) will throw an exception in runtime that 'StarRating' doesn't exist in User table - of course it doesn't it's a wrappers property. I will work if I materialize query by WhereQuery.AsEnumerable().Where(s => s.StarRating == 1) but then it loses all the sens of using IQueryable and I don't want to do this. What is strange and interesting that not all properties from wrapper throw error, all the bool values can be used in where statement. Example : WhereQuery.Where(s => s.TalkInteractionDuringSession) It works in EntityFramework , why do I get this error in NHibernate and how to get it working the way I want it to ?

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• Detect when application becomes active

  - by Jacob Seleznev

  In MDI application which event can the child Form class use to detect when the application becomes active? I tried Form.Acivated event but it occurs only when the form is activated and doesn't when the application gets focus.

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• ASP MVC Set RadioButton From Database

  - by Jacob Huggart

  Hello All, I have what should be an easy question for you today. I have two radio buttons in my view: Sex: <%=Html.RadioButton("Sex", "Male", true)% Male <%=Html.RadioButton("Sex", "Female", true)% Female I need to select one based on the value returned from my database. The way I am trying to do it now is: ViewData["Sex"] = data.Sex; //Set radio button But that is not working. I have tried every possible combination of isChecked properties. I know that data.Sex is returning either "Male" or "Female". What do I need to do to check the appropriate radio button?

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• Is Private Bytes >> Working Set normal?

  - by Jacob

  OK, this may sound weird, but here goes. There are 2 computers, A (Pentium D) and B (Quad Core) with almost the same amount of RAM running Windows XP. If I run the same code on both computers, the allocated private bytes in A never goes down resulting in a crash later on. In B it looks like the private bytes is constantly deallocated and everything looks fine. In both computers, the working set is deallocated and allocated similarly. Could this be an issue with manifests or DLLs (system)? I'm clueless. Also, I compiled the executable on A and ran it on B and it worked. Note: I observed the utilized memory with Process Explorer. Question: During execution (where we have several allocations and deallocations) is it normal for the number of private bytes to be much bigger (1.5 GB vs 70 MB) than the working set?

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• Conditional Statement as Hierarchy jQuery

  - by Jacob Lowe

  Is there a way to make jQuery use objects in a conditional statement as an object in a hierarchy. For Example, I want to validate that something exist then tell it to do something just using the this selector. Like this if ($(".tnImg").length) { //i have to declare what object I am targeting here to get this to work $(this).animate({ opacity: 0.5, }, 200 ); } Is there a way to get jQuery to do this? I guess theres not a huge benefit but i still am curious

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• Does binarywriter.flush() also flush the underlying filestream object?

  - by jacob sebastian

  I have got a code snippet as follows: Dim fstream = new filestream(some file here) dim bwriter = new binarywriter(fstream) while not end of file read from source file bwriter.write() bwriter.flush() end while The question I have is the following. When I call bwriter.flush() does it also flush the fstream object? Or should I have to explicitly call fstream.flush() such as given in the following example: while not end of file read from source file bwriter.write() bwriter.flush() fstream.flush() end while A few people suggested that I need to call fstream.flush() explicitly to make sure that the data is written to the disk (or the device). However, my testing shows that the data is written to the disk as soon as I call flush() method on the bwriter object. Can some one confirm this?

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• Entity Framework mant to many insert

  - by Jacob

  I've been playing around with Entity Framework v2 and added some code to insert new entity with many to many relationship , lets say this entity is called meeting. I add hours to meeting : meeting.Hours.Add(hour); and I get different errors on different occasions On Update : Cannot insert the value NULL into column 'Meetings_Id', table 'Plan.dbo.MeetingHour'; column does not allow nulls. INSERT fails. The statement has been terminated. On Inset : An item with the same key has already been added. But the tricky party is that if I add this manually trough SQL Server Management Studio , I can update the entity with the same value , clearing it first (meeting.Hour.Clear()) Can't see what could be the problem , maybe entity model isn't mapped correctly ?

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• How does one change the background color for a loading out-of-browser Silverlight 3 application?

  - by Jacob

  When running our Silverlight 3 application out-of-browser, startup takes a little time, but it's long enough to be noticeable. During this startup, the background of the window hosting the application displays an ugly white background color. When running in-browser, we have a splash screen, but that's loaded via JavaScript of course. How can I get a splash screen working for an out-of-browser Silverlight 3? Or if that's not possible, is there a way I can at least change the background color of the window?

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• Comparing developer productivity tools

  - by Jacob

  I am getting ready to test developer productivity tools for our team (Coderush, Resharper, JustCode, etc). We're planning to roll the tool out the same time as we deploy Visual Studio 2010 and TFS. I've seen several posts discussing the merits of one tool versus another. However, I haven't been able to find any discussion of a methodology self evaluating. One approach I've seen is to use each tool for a month or so and decide which one you like best. This seems completely reasonable if I were evaluating it for myself, but since I'm evaluating for others as well, I'd like to do something more rigorous. I'm hoping to collect some ideas on how to do that. As a starting point, my thinking was to come up a list of 10-20 crucial features to compare, then prepare a matrix where I can compare the relative strengths of each product. Once the matrix is complete, we can make a well informed decision about which product aligns with out needs. Since I'm not a user of any product now, it's been difficult to figure out which features are critical and which are less so. Thank you!

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• using addListener with WordPress audio player

  - by Jacob

  Hi, I'm trying to add a listener for the stop event in the word press audio player but usage seems to be undocumented. I'm hoping someone who knows a little flash can look at the code and tell me how it works: In the code at http://tools.assembla.com/1pixelout/browser/audio-player/trunk/source/classes/Application.as I see a snippet with this: ExternalInterface.call("AudioPlayer.onStop", _options.playerID); I was hoping that would let me capture the event in javascript with ("player" is the ID of my player) AudioPlayer.addListener("player", "AudioPlayer.onStop", function() { alert('stopped'); }); But my javascript function never seems to get called

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