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• Is Inheritance in Struts2 Model-Driven Action possible?

  - by mryan

  Hello, I have a Model-Driven Struts2 action that provides correct JSON response. When I re-structure the action I get an empty JSON response back. Has anyone got inheritance working with Struts2 Model-Driven actions? Ive tried explicitly setting include properties in struts config: <result name="json" type="json"> <param name="includeProperties"> jsonResponse </param> </result> Code for all actions below - not actual code in use - I have edited and stripped down for clarity. Thanks in advance. Action providing correct response: public class Bike extends ActionSupport implements ModelDriven, Preparable { @Autowired private Service bikeService; private JsonResponse jsonResponse; private com.ets.model.Vehicle bike; private int id; public Bike() { jsonResponse = new JsonResponse("Bike"); } @Override public void prepare() throws Exception { if (id == 0) { bike = new com.ets.model.Bike(); } else { bike = bikeService.find(id); } } @Override public Object getModel() { return bike; } public void setId(int id) { this.id = id; } public void setBikeService(@Qualifier("bikeService") Service bikeService) { this.bikeService = bikeService; } public JsonResponse getJsonResponse() { return jsonResponse; } public String delete() { try { bike.setDeleted(new Date(System.currentTimeMillis())); bikeService.updateOrSave(bike); jsonResponse.addActionedId(id); jsonResponse.setAction("delete"); jsonResponse.setValid(true); } catch (Exception exception) { jsonResponse.setMessage(exception.toString()); } return "json"; } } Re-structured Actions providing incorrect response: public abstract class Vehicle extends ActionSupport implements ModelDriven { @Autowired protected Service bikeService; @Autowired protected Service carService; protected JsonResponse jsonResponse; protected com.ets.model.Vehicle vehicle; protected int id; protected abstract Service service(); @Override public Object getModel() { return bike; } public void setId(int id) { this.id = id; } public void setBikeService(@Qualifier("bikeService") Service bikeService) { this.bikeService = bikeService; } public void setCarService(@Qualifier("carService") Service carService) { this.carService = carService; } public JsonResponse getJsonResponse() { return jsonResponse; } public String delete() { try { vehicle.setDeleted(new Date(System.currentTimeMillis())); service().updateOrSave(vehicle); jsonResponse.addActionedId(id); jsonResponse.setAction("delete"); jsonResponse.setValid(true); } catch (Exception exception) { jsonResponse.setMessage(exception.toString()); } return "json"; } } public class Bike extends Vehicle implements Preparable { public Bike() { jsonResponse = new JsonResponse("Bike"); } @Override public void prepare() throws Exception { if (id == 0) { vehicle = new com.ets.model.Bike(); } else { vehicle = bikeService.find(id); } } @Override protected Service service() { return bikeService; } } public class Car extends Vehicle implements Preparable { public Car() { jsonResponse = new JsonResponse("Car"); } @Override public void prepare() throws Exception { if (id == 0) { vehicle = new com.ets.model.Car(); } else { vehicle = carService.find(id); } } @Override protected Service service() { return carService; } }

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• Nhibernate Criteria Query with Join

  - by John Peters

  I am looking to do the following using an NHibernate Criteria Query I have "Product"s which has 0 to Many "Media"s A product can be associated with 1 to Many ProductCategories These use a table in the middled to create the join ProductCategories Id Title ProductsProductCategories ProductCategoryId ProductId Products Id Title ProductMedias ProductId MediaId Medias Id MediaType I need to implement a criteria query to return All Products in a ProductCategory and the top 1 associated Media or no media if none exists. So although for example a "T Shirt" may have 10 Medias associated, my result should be something similar to this Product.Id Product.Title MediaId 1 T Shirt 21 2 Shoes Null 3 Hat 43 I have tried the following solutions using JoinType.LeftOuterJoin 1) productCriteria.SetResultTransformer(Transformers.DistinctRootEntity); This hasnt worked as the transform is done code side and as I have .SetFirstResult() and .SetMaxResults() for paging purposes it wont work. 2) .SetProjection( Projections.Distinct( Projections.ProjectionList() .Add(Projections.Alias(Projections.Property("Id"), "Id")) ... .SetResultTransformer(Transformers.AliasToBean()); This hasn't worked as I cannot seem to populate a value for Medias.Id in the projections. (Similar to http://stackoverflow.com/questions/1036116/nhibernate-criteria-api-projections) Any help would be greatly appreciated

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• CSS: Setting width/height as Percentage minus pixels

  - by Mega Matt

  Hi all, I've seen this question asked in a couple other contexts on SO, but I thought it would be worth asking again for my particular case. I'm trying to create some re-usable CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently. I have a container div that I don't want to set the height for (because it will vary depending on where on the site it is), and inside it is a header div, and then an unordered list of items, all with CSS applied to them. It looks a lot like this: I want the unordered list to take up the remaining room in the container div, knowing that the header div is 18px tall. I just don't know how to specify the list's height as "the result of 100% minus 18px". Does anyone have any advice in this situation? Thanks very much.

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• ValueProvider.GetValue Extension Method

  - by griegs

  I have a model like this; public class QuickQuote { [Required] public Enumerations.AUSTRALIA_STATES state { get; set; } [Required] public Enumerations.FAMILY_TYPE familyType { get; set; } As you can see the two proerties are enumerations. Now I want to employ my own model binder for reasons that I won't bother getting into at the moment. So I have; public class QuickQuoteBinder : DefaultModelBinder { public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { quickQuote = new QuickQuote(); try { quickQuote.state = (Enumerations.AUSTRALIA_STATES) Enum.Parse(typeof(Enumerations.AUSTRALIA_STATES), bindingContext.ValueProvider.GetValue(bindingContext.ModelName + ".state").AttemptedValue); } catch { ModelState modelState = new ModelState(); ModelError err = new ModelError("Required"); modelState.Errors.Add(err); bindingContext.ModelState.Add(bindingContext.ModelName + ".state", modelState); } The problem is that for each property, and there are heaps, I need to do the whole try catch block. What I thought I might do is create an extension method which would do the whole block for me and all i'd need to pass in is the model property and the enumeration. So I could do something like; quickQuote.state = bindingContext.ValueProvider.GetModelValue("state", ...) etc. Is this possible?

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• C# - Shortest path map finding

  - by nXqd

  I try to write a simple program in C#, it's like map finding . I've a picture of city / or district ( it's const ) and I'll add a database to this program to store variables, points . I use floyd to find the shortest path and I'll draw the path in the image ( by coordinates I think ) . This is the first time I write a real program in C# so how should I implement this one ;) Thanks so much for reading !

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• “html agility pack” like solutions for C/Objective-c/iPhone

  - by mxg

  Hi everyone! I need a powerful HTML parser and manipulator for Objective-C/C, like HTML Agility Pack. Can anyone tell me some optimal solution? One solution is libxml2, but it seams is not the best. Thanks in advance!

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• Objective-C++ pre-compiled headers

  - by KayEss

  I'm using a C++ library (it happens to be in an iPad application, but I'm not sure that should make any difference) and would really like to have the headers pre-compiled to speed up the builds, but xCode seems to run the pre-compiled header file through the C compiler rather than the C++ one. Is there a way to get it to use the right compiler? I've already changed all of my source files from .m to .mm.

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• ASP.NET MVC 3: RouteExistingFiles = true seems to have no effect

  - by Oleksandr Kaplun

  I'm trying to understand how RouteExistingFiles works. So I've created a new MVC 3 internet project (MVC 4 behaves the same way) and put a HTMLPage.html file to the Content folder of my project. Now I went to the Global.Asax file and edited the RegisterRoutes function so it looks like this: public static void RegisterRoutes(RouteCollection routes) { routes.RouteExistingFiles = true; //Look for routes before looking if a static file exists routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new {controller = "Home", action = "Index", id = UrlParameter.Optional} // Parameter defaults ); } Now it should give me an error when I'm requesting a localhost:XXXX/Content/HTMLPage.html since there's no "Content" controller and the request definitely hits the default pattern. But instead I'm seeing my HTMLPage. What am I doing wrong here? Update: I think I'll have to give up. Even if I'm adding a route like this one: routes.MapRoute("", "Content/{*anything}", new {controller = "Home", action = "Index"}); it still shows me the content of the HTMLPage. When I request a url like ~/Content/HTMLPage I'm getting the Index page as expected, but when I add a file extenstion like .html or .txt the content is shown (or a 404 error if the file does not exist). If anyone can check this in VS2012 please let me know what result you're getting. Thank you.

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• Inject log object in Grails class outside of grails-app

  - by Azder

  I have a class in src/groovy in my grails project. How do i make a log field that gets injected with the correct logger for that class ? Is there a commons logging or just log4j in grails ?

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• Deselect dates in Web Calendar c#

  - by yomismo

  Hello, I'm trying to select and de-select dates on a C# Web Calendar control. The problem I have is that I can select or deselect dates except when there is only a single date selected. Clicking on it does not trigger the selection changed event, so Ineed to do something on the dayrender event but I'm not sure what or how. Any ideas? TIA Code so far: public static List<DateTime> list = new List<DateTime>(); protected void Calendar1_DayRender(object sender, DayRenderEventArgs e) { if (e.Day.IsSelected == true) { list.Add(e.Day.Date); } Session["SelectedDates"] = list; } protected void Calendar1_SelectionChanged(object sender, EventArgs e) { DateTime selection = Calendar1.SelectedDate; if (Session["SelectedDates"] != null) { List<DateTime> newList = (List<DateTime>)Session["SelectedDates"]; foreach (DateTime dt in newList) { Calendar1.SelectedDates.Add(dt); } if (searchdate(selection, newList)) { Calendar1.SelectedDates.Remove(selection); } list.Clear(); } } public bool searchdate(DateTime date, List<DateTime> dates) { var query = from o in dates where o.Date == date select o; if (query.ToList().Count == 0) { return false; } else { return true; } }

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• Optimizing transition/movement smoothness for a 2D flash game.

  - by Tom

  Update 6: Fenomenas suggested me to re-create everything as simple as possible. I had my doubts that this would make any difference as the algorithm remains the same, and performance did not seem to be the issue. Anyway, it was the only suggestion I got so here it is: 30 FPS: http://www.feedpostal.com/test/simple/30/SimpleMovement.html 40 FPS: http://www.feedpostal.com/test/simple/40/SimpleMovement.html 60 FPS: http://www.feedpostal.com/test/simple/60/SimpleMovement.html 100 FPS: http://www.feedpostal.com/test/simple/100/SimpleMovement.html The code: package { import flash.display.Sprite; import flash.events.Event; import flash.events.KeyboardEvent; import flash.utils.getTimer; [SWF(width="800", height="600", frameRate="40", backgroundColor="#000000")] public class SimpleMovement extends Sprite { private static const TURNING_SPEED:uint = 180; private static const MOVEMENT_SPEED:uint = 400; private static const RADIAN_DIVIDE:Number = Math.PI/180; private var playerObject:Sprite; private var shipContainer:Sprite; private var moving:Boolean = false; private var turningMode:uint = 0; private var movementTimestamp:Number = getTimer(); private var turningTimestamp:Number = movementTimestamp; public function SimpleMovement() { //step 1: create player object playerObject = new Sprite(); playerObject.graphics.lineStyle(1, 0x000000); playerObject.graphics.beginFill(0x6D7B8D); playerObject.graphics.drawRect(0, 0, 25, 50); //make it rotate around the center playerObject.x = 0 - playerObject.width / 2; playerObject.y = 0 - playerObject.height / 2; shipContainer = new Sprite(); shipContainer.addChild(playerObject); shipContainer.x = 100; shipContainer.y = 100; shipContainer.rotation = 180; addChild(shipContainer); //step 2: install keyboard hook when stage is ready addEventListener(Event.ADDED_TO_STAGE, stageReady, false, 0, true); //step 3: install rendering update poll addEventListener(Event.ENTER_FRAME, updatePoller, false, 0, true); } private function updatePoller(event:Event):void { var newTime:Number = getTimer(); //turning if (turningMode != 0) { var turningDeltaTime:Number = newTime - turningTimestamp; turningTimestamp = newTime; var rotation:Number = TURNING_SPEED * turningDeltaTime / 1000; if (turningMode == 1) shipContainer.rotation -= rotation; else shipContainer.rotation += rotation; } //movement if (moving) { var movementDeltaTime:Number = newTime - movementTimestamp; movementTimestamp = newTime; var distance:Number = MOVEMENT_SPEED * movementDeltaTime / 1000; var rAngle:Number = shipContainer.rotation * RADIAN_DIVIDE; //convert degrees to radian shipContainer.x += distance * Math.sin(rAngle); shipContainer.y -= distance * Math.cos(rAngle); } } private function stageReady(event:Event):void { //install keyboard hook stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDown, false, 0, true); stage.addEventListener(KeyboardEvent.KEY_UP, keyUp, false, 0, true); } private final function keyDown(event:KeyboardEvent):void { if ((event.keyCode == 87) && (!moving)) //87 = W { movementTimestamp = getTimer(); moving = true; } if ((event.keyCode == 65) && (turningMode != 1)) //65 = A { turningTimestamp = getTimer(); turningMode = 1; } else if ((event.keyCode == 68) && (turningMode != 2)) //68 = D { turningTimestamp = getTimer(); turningMode = 2; } } private final function keyUp(event:KeyboardEvent):void { if ((event.keyCode == 87) && (moving)) moving = false; //87 = W if (((event.keyCode == 65) || (event.keyCode == 68)) && (turningMode != 0)) turningMode = 0; //65 = A, 68 = D } } } The results were as I expected. Absolutely no improvement. I really hope that someone has another suggestion as this thing needs fixing. Also, I doubt it's my system as I have a pretty good one (8GB RAM, Q9550 QuadCore intel, ATI Radeon 4870 512MB). Also, everyone else I asked so far had the same issue with my client. Update 5: another example of a smooth flash game just to demonstrate that my movement definitely is different! See http://www.spel.nl/game/bumpercraft.html Update 4: I traced the time before rendering (EVENT.RENDER) and right after rendering (EVENT.ENTER_FRAME), the results: rendering took: 14 ms rendering took: 14 ms rendering took: 12 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 14 ms rendering took: 12 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 14 ms rendering took: 12 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 14 ms rendering took: 14 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 24 ms rendering took: 18 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 232 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms rendering took: 14 ms rendering took: 16 ms rendering took: 12 ms rendering took: 14 ms rendering took: 12 ms The range is 12-16 ms. During these differences, the shocking/warping/flickering movement was already going on. There is also 1 peak of 232ms, at this time there was a relatively big warp. This is however not the biggest problme, the biggest problem are the continuous small warps during normal movement. Does this give anyone a clue? Update 3: After testing, I know that the following factors are not causing my problem: Bitmap's quality - changed with photoshop to an uglier 8 colours optimized graphic, no improvement at all. Constant rotation of image while turning - disabled it, no improvement at all Browser rendering - tried to use the flash player standalone, no improvement at all I am 100% convinced that the problem lies in either my code or in my algorithm. Please, help me out. It has been almost two weeks (1 week that I asked this question on SO) now and I still have to get my golden answer. Update 1: see bottom for full flex project source and a live demo demonstrating my problem. I'm working on a 2d flash game. Player ships are created as an object: ships[id] = new GameShip(); When movement and rotation information is available, this is being directed to the corresponding ship: ships[id].setMovementMode(1); //move forward Now, within this GameShip object movement works using the "Event.ENTER_FRAME" event: addEventListener(Event.ENTER_FRAME, movementHandler); The following function is then being run: private final function movementHandler(event:Event):void { var newTimeStamp:uint = UtilLib.getTimeStamp(); //set current timeStamp var distance:Number = (newTimeStamp - movementTimeStamp) / 1000 * movementSpeed; //speed = x pixels forward every 1 second movementTimeStamp = newTimeStamp; //update old timeStamp var diagonalChange:Array = getDiagonalChange(movementAngle, distance); //the diagonal position update based on angle and distance charX += diagonalChange[0]; charY += diagonalChange[1]; if (shipContainer) { //when the container is ready to be worked with shipContainer.x = charX; shipContainer.y = charY; } } private final function getDiagonalChange(angle:Number, distance:Number):Array { var rAngle:Number = angle * Math.PI/180; //convert degrees to radian return [Math.sin(rAngle) * distance, (Math.cos(rAngle) * distance) * -1]; } When the object is no longer moving, the event listener will be removed. The same method is being used for rotation. Everything works almost perfect. I've set the project's target FPS to 100 and created a FPS counter. According to the FPS counter, the average FPS in firefox is around 100, while the top is 1000 and the bottom is 22. I think that the bottom and top FPSs are only happening during the initialization of the client (startup). The problem is that the ship appears to be almost perfectly smooth, while it should be just that without the "almost" part. It's almost as if the ship is "flickering" very very fast, you can't actually see it but it's hard to focus on the object while it's moving with your eyes. Also, every now and then, there seems to be a bit of a framerate spike, as if the client is skipping a couple of frames, you then see it quickly warp. It is very difficult to explain what the real problem is, but in general it's that the movement is not perfectly smooth. So, do you have any suggestions on how to make the movement or transition of objects perfectly smooth? Update 1: I re-created the client to demonstrate my problem. Please check it out. The client: http://feedpostal.com/test/MovementTest.html The Actionscript Project (full source): http://feedpostal.com/test/MovementTest.rar An example of a smooth flash game (not created by me): http://www.gamesforwork.com/games/swf/Mission%20Racing_august_10th_2009.swf It took me a pretty long time to recreate this client side version, I hope this will help with solving the problem. Please note: yes, it is actually pretty smooth. But it is definitely not smooth enough.

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• How to open Microsoft Word by function call?

  - by Mobin

  I want to open a word document through my program in C# and document path to read or write to. 2.To change the formatting of text in the word document as if i wanted the word window to give me the text in RTF format or plain text or docx (supported formats) 3.If i can retrieve the text in my given format such as RTF from the word window as the user closes the word window

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• How does [self.tableView reloadData] know what data to reload?

  - by Scott Pendleton

  It bugs me to death that my viewcontroller, which happens to be a tableViewController, knows without being told that its property that is an NSArray or an NSDictionary holds the data that is to be loaded into the table for display. Seems like I should explicitly say something like: [self.tableView useData:self.MyArray]; Because, THAT'S WHAT I WANT TO DO! I want to have more than one array inside my tableViewController, and switch between one and the other programmatically. Please do not give me an answer like: "Never mind what you want to do, just set up two different tableViewControllers." No. I want to do it my way. I notice that when a tableViewController makes use of a searchViewController, you can do this: if (tableView == self.searchDisplayController.searchResultsTableView) { YES! I have even been able to do this: self.tableView = self.searchDisplayController.searchResultsTableView; [self.tableView reloadData]; But nowhere can I find how to set self.tableView back to the main datasource! I'm so tired of sifting, sifting through code for incomplete nuggets of enlightenment. Allow me to understate that Apple's documentation is grossly inadequate. It's astounding that so many slick iPhone programs came to be created. People said that once I went Mac, I'd never go back to Windows. Well, I'm anything but a convert.

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• Conceptually how does load-balancing on the EJB tier work in Glassfish/any ejb container

  - by Benju

  I am wondering conceptually how load-balancing works on the EJB-level (not web session replication) with Java EE containers like Glassfish. From what I have gleaned your remote interface is a proxy that delegates your call to one of many servers you may have in an environment. If things fail are they supposed to be able to "finish" on another server? I want to understand the basic theory behind this load balancing, why is it better than a bunch of servers all running a plain web application with session affinity on a load-balancer?

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• Config transformations and “TransformXml task failed” error message

  - by Troy Hunt

  I’ve just enabled config transformations on a .NET 3.5 project in VS2010 RC after watching Scott Hanselman’s video on web deployment. Unfortunately every time I go to publish I now get the following error: The "TransformXml" task failed unexpectedly. System.UriFormatException: Invalid URI: The URI is empty. at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) at System.Uri..ctor(String uriString) at Microsoft.Web.Publishing.Tasks.TransformXml.Execute() at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask, Boolean& taskResult) If I take a brand new VS2010 web application which already has the config transformations by default I don’t have a problem so I suspect my issue is project related. Has anyone come across this before or have any ideas on a fix?

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• C# - Alternative to System.Timers.Timer, to call a function at a specific time.

  - by Fábio Antunes

  Hello everybody. I want to call a specific function on my C# application at a specific time. At first i thought about using a Timer (System.Time.Timer), but that soon became impossible to use. Why? Simple. The Timer Class requires a Interval in milliseconds, but considering that i might want the function to be executed, lets says in a week that would mean: 7 Days = 168 hours; 168 Hours = 10,080 minutes; 10,080 Minutes = 6,048,000 seconds; 6,048,000 Seconds = 6,048,000,000 milliseconds; So the Interval would be 6,048,000,000; Now lets remember that the Interval accepted data type is int, and as we know int range goes from -2,147,483,648 to 2,147,483,647. That makes Timer useless in this case once we cannot set a Interval bigger that 2,147,483,647 milliseconds. So i need a solution where i could specify when the function should be called. Something like this: solution.ExecuteAt = "30-04-2010 15:10:00"; solution.Function = "functionName"; solution.Start(); So when the System Time would reach "30-04-2010 15:10:00" the function would be executed in the application. How can this problem be solved? Thanks just by taking the time to read my question. But if you could provide me with some help i would be most grateful. Additional Info: What these functions will do? Getting climate information and based on that info: Starting / Shutting down other Applications (most of them Console Based); Sending custom Commands to those Console Applications; Power down, Rebooting, Sleep, Hibernate the computer; And if possible schedule the BIOS to Power Up the Computer; EDIT: It would seem that the Interval accepted data type is double, however if you set a value bigger that an int to the Interval, and call Start() it throws a exception [0, Int32.MaxValue]. EDIT 2: Jørn Schou-Rode suggested using Ncron to handle the scheduling tasks, and at first look this seems a good solution, but i would like to hear about some who as worked with it.

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• <rich:datatable> and <rich:datascroller> problem

  - by Bariscan

  Hi all, I am developing a Seam-Jsfv1.2-EJB3 web app. I have a datatable and checkboxes in each row. Moreover, I have a datascroller at the bottom of my table as well. My problem is when I click the next page number from the scroller, the selected checkboxes at the first page of the datatable is gone. I mean, even if they were selected, clicking the next page make them deselected. I see it by going back to the first page again by clicking the scroller. Do you have any idea about that problem? In order to clearify my case, I attached my code below: <rich:dataTable id="apiV2ProductList" rows="10" var="_apiV2Product" value="#{apiV2ProductList.resultList}" rendered="#{not empty apiV2ProductList.resultList}" reRender="ds"> <rich:column> <f:facet name="header"> <h:selectBooleanCheckbox id="selectionCheckAll" onclick="selectAll()" /> </f:facet> <h:selectBooleanCheckbox id="selectionCheck" onclick="increase(this)" value="#{_apiV2Product.selectValue}" > </h:selectBooleanCheckbox> </rich:column> ... <f:facet name="footer"> <rich:datascroller id="ds" renderIfSinglePage="false"> </rich:datascroller> </f:facet> Many thanks in advance. Baris

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• Android: How can I validate EditText input?

  - by Stefan

  I need to do form validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation, but this doesn't behave as desired for the final EditText. If I click on the "Done" button while typing into the final EditText then the InputMethod is disconnected, but technically focus is never lost on the EditText (and so validation never occurs). What's the best solution? Should I be monitoring when the InputMethod unbinds from each EditText rather than when focus changes? If so, how?

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• Unit Test For NpgsqlCommand With Rhino Mocks

  - by J Pollack

  My unit test keeps getting the following error: "System.InvalidOperationException: The Connection is not open." The Test [TestFixture] public class Test { [Test] public void Test1() { NpgsqlConnection connection = MockRepository.GenerateStub<NpgsqlConnection>(); // Tried to fake the open connection connection.Stub(x => x.State).Return(ConnectionState.Open); connection.Stub(x => x.FullState).Return(ConnectionState.Open); DbQueries queries = new DbQueries(connection); bool procedure = queries.ExecutePreProcedure("201003"); Assert.IsTrue(procedure); } } Code Under Test using System.Data; using Npgsql; public class DbQueries { private readonly NpgsqlConnection _connection; public DbQueries(NpgsqlConnection connection) { _connection = connection; } public bool ExecutePreProcedure(string date) { var command = new NpgsqlCommand("name_of_procedure", _connection); command.CommandType = CommandType.StoredProcedure; NpgsqlParameter parameter = new NpgsqlParameter {DbType = DbType.String, Value = date}; command.Parameters.Add(parameter); command.ExecuteScalar(); return true; } } How would you test the code using Rhino Mocks 3.6? PS. NpgsqlConnection is a connection to a PostgreSQL server.

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• Comprehensive guide to Operator Overloading in Python

  - by Casebash

  Is there a comprehensive guide to operator overloading anywhere? Preferably online, but a book would be fine too. The description of the operator module leaves a lot out, such as including operators that can't be overloaded and missing the r operators.

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• cakephp routing problem, plugin routing works but not others

  - by Paul

  I'm having a strange routing problem with a site I just uploaded, and I've made a number of changes to test what's happening. It doesn't make any sense. My setup is: - I'm using one plugin, which I've included all the routing in the routes.php file. - I've also included the routes for two other controllers, 'events' and 'updates' they look like this: Router::connect('/login', array('plugin' = 'pippoacl', 'controller' = 'users', 'action' = 'login')); Router::connect('/logout', array('plugin' = 'pippoacl', 'controller' = 'users', 'action' = 'logout')); Router::connect( '/events/', array( 'controller' = 'events', 'action' = 'index')); Router::connect('/updates', array('controller' = 'updates', 'action' = 'index')); What happens when I try to get to 'events' is that I get an error message saying: "Not Found Error: The requested address '/Events' was not found on this server." I've checked the database and it's accessible, through the plugin's model/controller/view. I've also made sure the model/controllers for 'events' and 'updates' are there. Can anyone tell me how to trouble shoot this? Thanks, Paul

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• idioms for returning multiple values in shell scripting

  - by Wang

  Are there any idioms for returning multiple values from a bash function within a script? http://tldp.org/LDP/abs/html/assortedtips.html describes how to echo multiple values and process the results (e.g., example 35-17), but that gets tricky if some of the returned values are strings with spaces in. A more structured way to return would be to assign to global variables, like foo () { FOO_RV1="bob" FOO_RV2="bill" } foo echo "foo returned ${FOO_RV1} and ${FOO_RV2}" I realize that if I need re-entrancy in a shell script I'm probably doing it wrong, but I still feel very uncomfortable throwing global variables around just to hold return values. Is there a better way? I would prefer portability, but it's probably not a real limitation if I have to specify #!/bin/bash.

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• Splitview with multiple detail views using storyboarding. Seen an example/tutorial?

  - by That Guy

  I'm trying to track down an example like Apple's MultipleDetailViews sample for UISplitViewController, but using storyboards. Their sample code provides functionality similar to what I'm after, I'm just having trouble getting it to work in my app that uses storyboards. It's driving me nuts! Anyone seen an example/tutorial? This is Apple's non storyboard version: http://developer.apple.com/library/ios/#samplecode/MultipleDetailViews/Introduction/Intro.html

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• Adding Login does not work. Error: "Cannot open database \ requested by the login. The login failed.\r\nLogin failed for user"

  - by Jacob Pressures

  I'm receiving this error message: Cannot open database \"Northwind\" requested by the login. The login failed.\r\nLogin failed for user 'Mike\Mike Simpson' When i try to add the user, which is me. Then sql server says Msg 15063, Level 16, State 1, Line 1 The login already has an account under a different user name. HEre is my connection string: "Data Source=Localhost;Initial Catalog=Northwind;Integrated Security=True" I'm using SSMS not SQL Server express I don't know what else I should do. This application used to work before i zipped it up. Thanks!

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• java.lang.ClassCastException: org.postgresql.jdbc4.Jdbc4Connection cannot be cast to org.postgresql.jdbc4.Jdbc4Connection

  - by ???????? ??????

  I want to get PGConnection from posgresql connection in JBOSS AS7 (Data source postgresql-9.0-801.jdbc4.jar) I've got cast exception when used (WrappedConnection)connection So now I use reflection(JDK 1.7): private static PGConnection getPGConnection(Connection connection) throws SQLException { if(connection instanceof PGConnection) { return (PGConnection)connection; } try { Class[] parms = null; Method method =(connection.getClass()).getMethod("getUnderlyingConnection", parms); return (PGConnection) jdbc4Conn; } catch ... and catch exception java.lang.ClassCastException: org.postgresql.jdbc4.Jdbc4Connection cannot be cast to org.postgresql.jdbc4.Jdbc4Connection It is the same class!!! Haw could it be?

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