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  • Complex User Interface -> MVC pattern

    - by glenn.danthi
    I have been reading a lot on MVC/MVP patterns.... I have a simple question....If you have a view with loads of controls....say 10 texboxes and 10 checkboxes....etc etc... Am I expected to specify the properties and events each one of them in my IView interface?....

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  • How to know a device's name from its device ID in OS X?

    - by yangumi
    Hi all, I'm writing a program in OS X that receives click events from a mouse and a touchpad. When the user clicks at somewhere, the OS sends the device ID, which is just an int, and the position of the cursor to my callback function. I want to know if the click event comes from mouse or touchpad. So, how can I know the device's name from its device ID? Thank you! (I'm sorry for my poor English.)

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  • JBoss Seam - order event listeners

    - by Walter White
    Hi all, I would like to order my event listeners. Is it possible to do this in JBoss Seam 2.x? I am thinking as a workaround, which is quite simple, I will just daisy chain my events: fire event A. do something on event A. a. fire event B do something on event B. Any comments with this design? Is this a good / bad practice? Thanks, Walter

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  • how to find selected elements with Jquery UI selectable

    - by kevzettler
    Hi All, I am looking for info on the event and ui objects the jquery selectable events: "selecting", and "start" take as parameters. I cannot find this in the documentation and looping through the properties is no help. $('#content_td_account').selectable({ filter: 'li:not(".non_draggable")', selecting: function(event, ui) { } }); Specifically I want to find what elements are being selected and check them to see if their parent elements are the same or not. I assumed this would be in the ui object some where.

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  • raising a vb6 event using interop

    - by Steve
    Hi, I have a legacy VB6 component that I've imported into VS using tlbimp.exe to generate my interop assembly. The VB6 component defines an event that allows me to pass messages within VB6. Public Event Message(ByVal iMsg As Variant, oCancel As Variant) I would really like to be able to raise this even in my C# program, but its getting imported as an event, not a delegate or something else useful. So, I can only listen, but never fire. Does anyone know how to fire an event contained within VB6? The C# event looks like [TypeLibType(16)] [ComVisible(false)] public interface __MyObj_Event { event __MyObj_MessageEventHandler Message; } I unfortunately cannot change the VB6 code. Thanks.

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  • .NET compact framework - barcode scanner

    - by dominolog
    Hello I have Motorola MC55 with Windows Mobile 6.5 on-board. This nice palm contains also an embedded bar-code scanner. My question is - Will I need anything special in .NET CF in order to use the bar-code scanner? I would expect that the bar-code are read as normal strings and delivered as keyboard events? Is any special .NET CF library necessary? Thanks for help Dominik

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  • Scalable Ticketing / Festival Website

    - by Luke Lowrey
    I've noticed major music festivals (at least in Australia) and other events that experience a peak in traffic when tickets go on sale have huge problems keeping their websites running well. I've seen a few different techniques used to try combat this such as short sessions and virtual queues but they dont seem to have much effect. If you were to design a website to sell a lot of tickets in a short amount of time how would you handle scalability? What technologies and programming techniques would you use?

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  • iPhone facebook connect FQL Query to get Profile URL.

    - by user306641
    Hai. I am using Face book Connect FQL Queries to extract my profile photo url that is src_big,src_small URL. But i am always getting the empty array in below delegate (void)request:(FBRequest*)request didLoad:(id)result My FQL query is. NSString* fql = [NSString stringWithFormat:@"SELECT src_big,src_small FROM photo WHERE pid IN (SELECT cover_pid FROM album WHERE owner =%lld AND name ='Profile Pictures')", session.uid]; NSDictionary* params = [NSDictionary dictionaryWithObject:fql forKey:@"query"]; [[FBRequest requestWithDelegate:self] call:@"facebook.fql.query" params:params]; But - (void)request:(FBRequest*)request didLoad:(id)result always return the empty result. Can any one please correct me if there any mistake.

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  • Downloading PKPass in an iOS custom app from my server

    - by taurus
    I've setup a server which returns a PKPass. If I copy the URL to the browser, a pass is shown (both in my Mac and in my iPhone). The code I'm using to download the pass is the following one: NSData *data = [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:kAPIPass]]; if (nil != data) { PKPass *pass = [[PKPass alloc] initWithData:data error:nil]; PKAddPassesViewController *pkvc = [[PKAddPassesViewController alloc] initWithPass:pass]; pkvc.delegate = self; [self presentViewController:pkvc animated:YES completion:^{ // Do any cleanup here } ]; } Anyway, when I run this code I have the following error: * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Only support RGBA or the White color space, this method is a hack.' I don't know what is the bug... The pass seems ok when I download it with Safari and even the code seems ok (there are just 3 simple rows...) Someone experienced with Passkit could help me? EDIT: the weird thing is that the exact same code is working in a fresh new project

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  • Ugly thing and advantage of anonymos method -C#

    - by nettguy
    I was asked to explain the ugly thing and advantages of anonymous method. I explained possibly Ugly thing anonymous methods turning quickly into spaghetti code. Advantages We can produce thread safe code using anonymous method :Example static List<string> Names = new List<string>( new string[] { "Jon Skeet", "Marc Gravell", "David", "Bill Gates" }); static List<string> FindNamesStartingWith(string startingText) { return Names.FindAll( delegate(string name) { return name.StartsWith(startingText); }); } But really i did not know whether it is thread safe or not.I was asked to justify it. Can any one help me to understand (1) advantages of anonymous methods (2) Is the above code thread safe or not?

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  • Grails domain class event listner in service level

    - by BlackPanther
    Hi , I want to interrupt some specific grails domain class events(read,write,delete,update).Is there any hibernate eventlistner available for grails domain classes.So that all the calls will go through that eventslistner.I tried following def beforeLoad={}, def beforeInsert={} ,etc ..Other than that is there any other way something can be done in service level? Thanks

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  • Create a Sharepoint Blog comment in code ...

    - by Ren Hoek
    I have the need to create Sharepoint blog comments by code: SPSecurity.RunWithElevatedPrivileges(delegate() { sw.AllowUnsafeUpdates = true; SPList spList = SPContext.Current.Web.Lists["Kommentare"]; SPListItem listItem = spList.Items.Add(); listItem[listItem.Fields["Titel des Beitrags"].InternalName] = SPContext.Current.Item["Title"]; listItem[listItem.Fields["Titel"].InternalName] = titlearea.Value; listItem[listItem.Fields["Textkörper"].InternalName] = CommentArea.Value; listItem[SPBuiltInFieldId.Author] = curUser; // listItem[SPBuiltInFieldId.Modified] = curUser; listItem.Update(); //spList.Update(); sw.AllowUnsafeUpdates = false; }); but I allways get a "Invalid data has been used to update the list item. The field you are trying to update may be read only" I tried Systemupdate and the values seem to be valid. Has Anybody an idea? Greetings ren

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  • Java and proxy's

    - by blueomega
    So i am testing a couple of API, and after sorting a couple of them, i am undecided between zemanta and opencalais. A can use both perfectly at home, but at the company behind the proxy, i can put them working, even when running the same examples. I am running this example http://philippeadjiman.com/blog/2009/09/16/open-calais-from-java-with-eclipse-extract-entities-facts-and-events-in-4-minutes/ and this http://developer.zemanta.com/wiki both java versions How can i setup the proxy so it works? blueomega

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  • C# Login Dialog Implementation

    - by arc1880
    I have implemented a LoginAccess class that prompts the user to enter their active directory username and password. Then I save the login data as an encrypted file. Every subsequent start of the application, the LoginAccess class will read the encrypted file and check against the active directory to see if the login information is still valid. If it is not, then it will prompt the user again. I have made it so that the reading of the encrypted file and displaying of the login dialog is done on a separate thread. A delegate is fired when the login process is complete. The issue that I'm having is that I have a class that is used in multiple places. This class contains the call to the LoginAccess object. Every time I instantiate a new object there are multiple calls to the LoginAccess object and I get multiple dialogs appearing when it tries to prompt for a username and password. Any suggestions on how to have only one dialog appear would be greatly appreciated.

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  • Binding to a collection of DependencyObjects in Silverlight 4

    - by Meik
    As of Silverlight 4 it is possible to data bind against a DependencyObject (instead of a Framework element in previous versions). So far so good, but how do I bind agains a collection of DependencyObjects. The DataContext is not passed from the ObservableCollection to the collection elements, so that the DependencyProperties of the DependencyObjects are never called (neither the changed events). Neither the DependencyObject offers SetBinding or DataContext to initialize the binding manually. Thanks for any advice here.

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  • Reading Binary data from a Serial Port.

    - by rross
    I previously have been reading NMEA data from a GPS via a serial port using C#. Now I'm doing something similar, but instead of GPS from a serial. I'm attempting to read a KISS Statement from a TNC. I'm using this event handler. comport.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived); Here is port_DataReceived. private void port_DataReceived(object sender, SerialDataReceivedEventArgs e) { string data = comport.ReadExisting(); sBuffer = data; try { this.Invoke(new EventHandler(delegate { ProcessBuffer(sBuffer); })); } catch { } } The problem I'm having is that the method is being called several times per statement. So the ProcessBuffer method is being called with only a partial statment. How can I read the whole statement?

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  • What is common architecture of notification system on the web-forum, PMB and etc.?

    - by glaz666
    What I need is - list of new stuff from last visit - when user has already checked out some new entity since his last visit (ex. post on forum), mark this entity as read in the list - count different types of entities - private messages, posts, comments and etc. There are lot of websites using this technique for private messaging, listing new stuff and etc (ex. phpBB, this one and etc). Are there any common pattern, description of the system core which will events, making lists?

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  • How do I determine which control fired an event?

    - by Daniel I-S
    I have the Value Changed event of two UISliders (both of which have referencing outlets) wired up to the following method: -(IBAction) sliderMoved:(id) sender {} How can I determine which slider was moved so that I can get its value and update the corresponding label? Or would it be simpler to have two separate events, one for each slider? The second option seems like unnecessary replication to me. Cheers, Dan

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  • Notification in case of data changes in SQL and Oralce

    - by user171523
    I am in the process of building a system where i need to notify a Window Service a .net based application in case of any change in the DB table (Insert , Update , Delete). I know this can be done with the ADO.NET Events in SQL. Is there any common solution for Oracle and SQL which can provide this kind of notifications. This needs to happen as and when the update happens on real time basis.

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  • UIAlertView with subview animating to new view crashes app

    - by William
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Congratulations" message:message delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"View", nil]; UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(110, 100, 80, 80)]; NSString *imagePath = [NSString stringWithFormat:@"%@", [Array objectAtIndex:x]]; UIImage *bkgImg = [UIImage imageWithContentsOfFile: [[NSBundle mainBundle] pathForResource:imagePath ofType:@"png"]]; imageView.image = bkgImg; [bkgImg release]; [alert addSubview:imageView]; [imageView release]; [alert show]; [alert release]; That is the code that I am using to create the alert view. Currently, I have it set up so if the user presses one of the buttons, it will load up a new viewcontroller. It worked fine until I added a subview to the UIAlertView. Now, whenever it animates to the new screen, it just crashes the program. I am fairly new to iPhone development and any help would be appreciated.

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  • Replacing text in NSTextFieldCell inside NSTableView

    - by earl.ct
    Whenever a user would type a number, my app would automatically prepend a currency sign before that number. For example, when the user types "1" in a text field, the text inside it becomes "$1.00". All is good when I use an NSNumberFormatter, an NSTextField, and its delegate method control:didFailToFormatString:errorDescription:. - (BOOL)control:(NSControl *)control didFailToFormatString:(NSString *)string errorDescription:(NSString *)error { if ([[control formatter] isKindOfClass:[NSNumberFormatter class]]) { NSNumberFormatter *formatter = [control formatter]; if ([formatter numberStyle] == NSNumberFormatterCurrencyStyle && ! [string hasPrefix:[formatter currencySymbol]]) { NSDecimalNumber *new = [NSDecimalNumber decimalNumberWithString:string]; if (new == [NSDecimalNumber notANumber]) { new = [NSDecimalNumber zero]; } [control setObjectValue:new]; } } return YES;} Now I would like to have this functionality when a user types a number in a cell inside an NSTableView. I tried using control:didFailToFormatString:errorDescription: but the cell would erase the text instead.

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  • OpenID - How can I use my personal domain as an OpenID provider/forwarder?

    - by John Himmelman
    I read this comment in the OpenID post on the stackoverflow blog. Kibbee says : One nice feature of OpenID that I use is the ability to delegate the openID verification. So I can set up my own domain name, and then put a tiny bit of XML on that page that tells the site (like stackoverflow) to go to some other openid Provider (in my case MyOpenID). The big plus is that I have complete control over my Open ID account. If MyOpenID goes down, I can just switch to another provider. I think anybody who has their own domain name should go for this option. What is this tiny bit of XML that will allow my server to act as an openid provider/forwarder?

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  • WPF: Disable ListBox, but enable scrolling

    - by Matt Briggs
    Been banging my head against this all morning. Basically, I have a listbox, and I want to keep people from changing the selection during a long running process, but allow them to still scroll. Solution: All the answers were good, I went with swallowing mouse events since that was the most straight forward. I wired PreviewMouseDown and PreviewMouseUp to a single event, which checked my backgroundWorker.IsBusy, and if it was set the IsHandled property on the event args to true.

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  • Using Container.DataItem with an If statement within <% %>

    - by William Calleja
    I have the following code in a c# aspx page: <ItemTemplate> <a <% if(((Dictionary<string, string>)Container.DataItem)["type"]==Session["type"]){%> class="active"<%}%> This code is causing the following error. Compiler Error Message: CS0117: 'System.ComponentModel.Container' does not contain a definition for 'DataItem' Why is that and how can I make a conditional statement that uses the Container.DataItem? Container.DataItem works perfectly when used within a <%# %> however putting the if statement within the <%# %> causes the following error: Compiler Error Message: CS1518: Expected class, delegate, enum, interface, or struct

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