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• Load CoreData objects' string property into UIPickerView

  - by OscarTheGrouch

  Hello Currently I have an entity named "Events" in a CoreData app. "Events" has one string property named "eventName". In the -(void)viewDidLoad I am trying to Fetch all the "Events" objects and load their "eventName" by alphabetical order into a UIPickerView. The ultimate end goal is through the use of a textField, buttons and the pickerView being add new objects in and remove unwanted objects out. Basically turning the UIPickerView into a UITableView. Currently I am able to save objects to the CoreData store, but am not able to pull them/their properties out into the UIPickerView. I am willing and able to share the project source code to anyone who wants it, or is willing to look at it to help out. thanks Chris

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• How can specific type details be filtered from Dia2Dump ?

  - by Usman

  Hello, I need to filter details of specific Type(i.e Custom Type) . DIA2Dump blindly dump everything as type. I need to give it specific custom type as string and as result need all data members(i.e data section of that class). Is there any specific function available in DIA SDK for this. say I have Custom type MyClass and it has 4 variables as data members i.e DWORD data, DWORD location, BOOL MachineType and FLOAT Price. Now I should be able to pass MyClass as in parameter and it should output as data members(listed above as data,location...) of this class. How..?? Regards Regards Usman

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• DataAnnotations Automatic Handling of int is Causing a Roadblock

  - by DM

  Summary: DataAnnotation's automatic handling of an "int?" is making me rethink using them at all. Maybe I'm missing something and an easy fix but I can't get DataAnnotations to cooperate. I have a public property with my own custom validation attribute: [MustBeNumeric(ErrorMessage = "Must be a number")] public int? Weight { get; set; } The point of the custom validation attribute is do a quick check to see if the input is numeric and display an appropriate error message. The problem is that when DataAnnotations tries to bind a string to the int? is automatically doesn't validate and displays a "The value 'asdf' is not valid for Weight." For the life of me I can't get DataAnnotations to stop handling that so I can take care of it in my custom attribute. This seems like it would be a popular scenario (to validate that the input in numeric) and I'm guessing there's an easy solution but I didn't find it anywhere.

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• Binding to a WPF hosted control's DependencyProperty in WinForms

  - by Reddog

  I have a WinForms app with some elements that are hosted WPF user controls (using ElementHost). I want to be able to bind my WinForm's control property (Button.Enabled) to a custom DependencyProperty of the hosted WPF user control (SearchResults.IsAccountSelected). Is it possible to bind a System.Windows.Forms.Binding to a property managed by a DependencyProperty? Also, since I know the System.Windows.Forms.Binding watches for INotifyPropertyChanged.PropertyChanged events - will a property backed by a DependencyProperty automatically fire these events or will I have to implement and manage the sending of PropertyChanged events manually?

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• How to call windows authentication programmatically in sharepoint?

  - by HamdiKavak

  Hi guys, Here is my scenario. When anonymous user visits site collection's default site, custom login form panel is shown. This form is a webUserControl(.ascx file) that is embeded into page as webpart. Then user enters username and password. When submit button has been clicked, authentication will be handled by code behind of custom login form panel. Here is my question. How can I call SharePoint's authentication method with the username and password that is entered by user. Simply, I want users to login through my custom login form panel because default windows authentication window is looking really bad.

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• How to detect browser's protocol handlers?

  - by CJCraft.com

  I have created a custom URL protocol handler. http:// mailto:// custom:// I have registered a WinForms application to respond accordingly. This all works great. But I would like to be able to gracefully handle the case where the user doesn't have the custom URL protocol handler installed, yet. In order to be able to do this I need to be able to detect the browser's registered protocol handlers, I would assume from JavaScript. But I have been unable to find a way to poll for the information. I am hoping to find a solution to this problem. Thanks for any ideas you might be able to share.

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• C# - Can FileHelper FieldConverter routines refer to other fields in the record?

  - by Pete

  I am using the excellent FileHelpers library to process a fixed-length airline schedule file. I have a date field, then a few fields later on in the record, a time field. I want to combine both of these in the FileHelpers record class, and know there is a custom FieldConverter attribute. With this attribute, you provide a custom function to handle your field data and implement StringToField and FieldToString. My question is: can I pass other fields (already read) to this customer FieldConverter too, so I can combine Date and Time together. FieldConverter has an implementation that allows you to refer to both a custom processing class AND 'other strings' or even an array of object. But, given this is done in the attribute definition, I am struggling to access this earlier-field reference. [FieldFixedLength(4)] [FieldConverter(typeof(MyTimeConverter),"eg. ScheduledDepartureDate")] public DateTime scheduledDepartureTime;

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• problem with routing/T4MVC Url.Action()

  - by VinnyG

  I have these 2 routes : routes.MapRoute("Agenda", ConfigurationManager.AppSettings["eventsUrl"] + "/{year}/{month}", MVC.Events.Index(), new { year = DateTime.Now.Year, month = DateTime.Now.Month }); routes.MapRoute("AgendaDetail", ConfigurationManager.AppSettings["eventsUrl"] + "/{year}/{month}/{day}", MVC.Events.Detail(), new { year = DateTime.Now.Year, month = DateTime.Now.Month, day = DateTime.Now.Day }); And it work perfectly with this code : <a href="<%= Url.Action(MVC.Events.Detail(Model.EventsModel.PreviousDay.Year, Model.EventsModel.PreviousDay.Month, Model.EventsModel.PreviousDay.Day))%>" title="<%= Model.EventsModel.PreviousDay.ToShortDateString() %>"><img src="<%= Links.Content.images.contenu.calendrier.grand.mois_precedent_png %>" alt="événement précédent" /></a> Except when I get to do the link to today, if it's today, il will point only to www.myurl.com/agenda, witch is the value of CnfigurationManager.AppSettings["eventsUrl"]. What am I doing wrong? It's like if it's today, it point bak to the default agenda... Thanks for the help!

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• Should I use vnd.youtube:videoID?

  - by Felix

  While playing around with the emulator, I noticed that when trying to view a YouTube video the browser gives an error saying it can not load the page at vnd.youtube:ngc978y6rCU?some=parameters. I don't have an Android device, but by this I can suppose that launching a VIEW intent with the data URI set to vnd.youtube:VIDEO_ID would launch the default YouTube application and watch that video. Now, my application has to be able to display YouTube videos. Right now I have a custom-made YouTube activity which does just that, but I'm thinking of: Removing my custom activity and just launching a VIEW intent with a vnd.youtube:VIDEO_ID Uri, or Testing whether that Intent is available and using it, or, if it's not available, using my custom activity. Is this a good idea? Does this work at all (as I said I have no Android device, I'll just be borrowing one from a friend to test my final application)? Which way should I go?

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• ToolStrip control never fire Enter/Leave event??

  - by AZ

  I created a movable panel in WinForms. I use a ToolStrip as a titlebar in the panel. I'll use the ToolStrip to move the panel as well as indicating the panel is "active" or not. So when the panel is active, I want to change the ToolStrip's BackColor to Red. The idea is capturing ToolStrip's Enter/Leave event to change the color, but it seems those events are never fired. Are those events truly never fired? Should I capture other events?

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• Zedgraph - determine length of tic on an axis ?

  - by southof40

  In Zedgraph building a line chart. I have some requirements for axes labels which can't be produced automatically so inspired by this other Stackoverflow answer I'm building a custom axis. I can draw the Axis OK and I can place the labels but I want to draw my own tics. To do this I'd like to know the colour/pen width/size etc of the tics on the other axes. Determining the colour and pen width are no problem but finding out the length of a tic is difficult (I mean how long is it drawn away from the axis). I'm using a LineObj to draw the custom tics but I can't figure out how to long to draw them to match other non-custom tics . Does anyone know where this is defined (or have a smarter way of drawing your own tics than using LineObjs ?)

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• RenderAction not finding action method in current controller in current area

  - by Andrew Davey

  I'm creating an ASP.NET MVC 2 (RTM) project that uses areas. The Index action of the Home controller of one area needs to use RenderAction to generate a sub-section of the page. The action called is also defined in the same Home controller. So the call should just be: <% Html.RenderAction("List") %> However, I get an exception: A public action method 'List' was not found on controller 'RareBridge.Web.Areas.Events.Controllers.HomeController'. Note that I'm not in the "Events" area! I'm in a completely different area. If I remove the "Events" home controller, then the exception still occurs but names a different controller (still not the one I want it to call). I've also tried providing the controller name and area to the RenderAction method, but the same exception occurs. What is going on here? BTW: I am using Autofac as my IoC container

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• Generic Http Module

  - by MartinF

  The problem I am trying to make a generic http module in asp.net C# for handling roles defined by an enum which i want to be able to change by a generic parameter. This will make it possible to use the generic module with any kind of enum defined for each project. The module hooks into the Authenticate event of the FormsAuthenticationModule, and is called on each request to the website. The module exposes public events which could be defined in the global.asax. But i cant seem to figure out how to make the generic http module work like a non generic module. There is 3 main problems. I cant register the generic http module in the web.config like any other module as i cant specify the generic parameter, or is possible somehow ? The way to solve that as far as i can figure out is to create a non-generic http module that intializes the generic HttpModule (the generic parameter is defined in a custom section for the module in the web.config). But that introduces the next problem. I cant find out how to make the public events exposed by the generic module available to hook into through the global.asax as you would normally do with a non-generic module by just making a public method with the name like ModuleClassName_PublicEventName. The init() method on the http module gets an reference to the HttpApplication object created in the global.asax. I dont know if it somehow could be possible with reflection to search for the methods and if they are defined in the global.asax (HttpApplication super class) hook them up with the correct event handler ? or if any methods on the HttpApplication object can be used? How would i store and later get a reference to the generic module created in the non-generic module ? I can get the non-generic module with HttpContext.Current.ApplicationInstance.Modules.Get("TheModule"); but is there any way i can store a reference to the generic module in the non-generic module (cant figure out how it should be possible), or store it somewhere else so i can always get it? If I can get a reference to the generic module from the global.asax etc. the events mentioned in nr. 2 can be manually wired to the methods. Thoughts and other possible solutions Instead of registering the module in the web.config it can be manually initialized by overridding the Init method of the HttpApplication and calling the Init method on the module. But that will introduce some new problems. The module will no longer be added to the the ModulesCollection. So I will need to store a reference somewhere else. This could be done with a property in the global.asax, and by implementing an interface, or by creating an generic abstract base type inheriting from HttpApplication, that the global.asax could inherit from. In the generic abstract base type i could also override the init method. It will still not automatically hook up methods in the global.asax with events in the generic module. If it is possible with reflection to search for defined methods in the super type of the HttpApplication it could be automatically done that way. But i can wire the methods in the global.asax with the events in the generic module manually either in the Init method or anywhere else by getting reference to the generic module. It doesnst really need to implement the IHttpModule interface if i choose to manually initalize the generic module. I could just aswell move all the code to the abstract base type inheriting from the HttpApplication. I would prefer to register the module simply by defining it in the web.config as it will be the easiest and most natural / logical solution. Also it would be great if it could be kept as a HttpModule instead of having to define a an abstract base type inheriting from HttpApplication, else it will be more thighed up and not as loose and plugable as i wanted it to be (but maybe it is not possible). Another alternative would be to make it all static. As far as i can figure out i would have to somehow make sure that only one method can be added to the public static events, so it wont add a reference each time a new instance of the global.asax is created. I simply cant find out what is the best solution. I have been messing around with this and thinking about it for days now. Maybe there is an option that i havent thought of ? Hope anyone out there can help me.

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• apache syslog-ng error logs and access logs

  - by uzumaki naruto

  I am trying to send all my apache logs to syslog-ng(on remote machine) which in turn writes to a file. so I configure syslog-ng this way source s_apache { unix-stream("/var/log/apache_log.socket" max-connections(512) keep-alive(yes)); }; filter f_apache { match("error"); }; destination df_custom { file("/var/log/custom.log"); }; log { source(s_apache); filter(f_apache); destination(df_custom); }; and add the following line to apache2.conf ErrorLog "|/usr/bin/logger -t 'apache' -u /var/log/apache_log.socket" but only logs being written to "/var/log/custom.log" are [Mon Jul 13 17:24:36 2009] [notice] caught SIGTERM, shutting down and [Mon Jul 13 17:26:11 2009] [notice] Apache/2.2.11 (Ubuntu) configured -- resuming normal operations I want all logs to be sent to custom.log..... Please help me.... where am I going wrong?

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• Is there any real benefit to using ASP.Net Authentication with ASP.Net MVC?

  - by alchemical

  I've been researching this intensely for the past few days. We're developing an ASP.Net MVC site that needs to support 100,000+ users. We'd like to keep it fast, scalable, and simple. We have our own SQL database tables for user and user_role, etc. We are not using server controls. Given that there are no server controls, and a custom membershipProvider would need to be created, where is there any benefit left to use ASP.Net Auth/Membership? The other alternative would seem to be to create custom code to drop a UniqueID CustomerID in a cookie and authenticate with that. Or, if we're paranoid about sniffers, we could encrypt the cookie as well. Is there any real benefit in this scenario (MVC and customer data is in our own tables) to using the ASP.Net auth/membership framework, or is the fully custom solution a viable route?

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• iPhone: How to detect if an EKEvent instance can be modified?

  - by Tom van Zummeren

  While working with the EventKit on iPhone I noticed that some events can exist which cannot be modified. Examples I encountered so far are birthdays and events synced with CalDAV. When you view the event's details in the standard built-in calendar app on iPhone the "Edit" button in the top-right corner is not visible in these cases, where it would be visible when viewing "normal" events. I've searched everywhere, read all documentation there is but I simply can't find anything that tells me how to detect this behavior! I can only detect it afterwards: edit an event's title save it to the event store check the event's title, if it has not changed it is not editable! I am looking for a way that I can detect the non-editable behavior of an event beforehand. I know this is possible because I've seen other calendar apps implement this correctly.

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• Unresponsive form instance when instantiating form gets minimized

  - by sjlewis

  There's form A is the main form that gets hidden and is accessible via NotifyIcon's context menu. Form A instantiates form B via NotifyIcon's context menu also. Form B reacts to mouse events, etc. No problem there. Form B instantiates form C. Form C reacts to mouse events, etc. No problem here as well, but when form B gets minimized, form C no longer reacts to mouse events (eg. can no longer move, button clicks do not respond). Any idea why form C behaves like this in relation to form B getting minimized. I also tried to instantiate form C through form A (eg. form B calling a method in form A to instantiate form C) but the same thing happens. Is there any way to make form C respond even w/ form B (initiator) minimized?

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• C# Winforms: PropertyGrid not updated when item added to Collection

  - by MysticEarth

  I've got a custom class which can be edited through the PropertyGrid. In that class I've got a custom Collection (with custom PropertyDescriptor and TypeConverter). Items can be added to or removed from the Collection with the default Collection Editor. This all works fine. But - after closing the Collection Editor, the PropertyGrid is not updated. When I manual make a call to Refresh() on the PropertyGrid, the changes are reflected in the PropertyGrid. How can I get the PropertyGrid to automatically refresh when the Collection Editor has been closed? I sought for a solution earlier where I should subclass CollectionEditor (which I can't seem to find). Please help.

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• In Django, can you add a method to querysets?

  - by Paul D. Waite

  In Django, if I have a model class, e.g. from django.db import models class Transaction(models.Model): ... then if I want to add methods to the model, to store reasonably complex filters, I can add a custom model manager, e.g. class TransactionManager(models.Manager): def reasonable_complex_filter(self): return self.get_query_set().filter(...) class Transaction(models.Model): objects = TransactionManager() And then I can do: >>> Transaction.objects.reasonably_complex_filter() Is there any way I can add a custom method that can be chained to the end of a query set from the model? I.e. add the custom method in such a way that I can do this: >>> Transaction.objects.filter(...).reasonably_complex_filter()

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• How to get roles with JSR 196 authentification in GlassFish?

  - by deamon

  I want to use a custom authentication module conforming to JSR 196 in GlassFish 3. The interface javax.security.auth.message.ServerAuth has the method: AuthStatus validateRequest( MessageInfo messageInfo, javax.security.auth.Subject clientSubject, javax.security.auth.Subject serviceSubject ) AuthStatus can be one of several constants like FAILURE or SUCCESS. The question is: How can I get the roles from a "role datebase" with JSR 196? Example: The server receives a request with a SSO token (CAS token for example), checks whether the token is valid, populates the remote user object with roles fetches from a database via JDBC or from REST service via http. Is the role fetching in the scope of JSR 196? How could that be implemented? Do I have to use JSR 196 together with JSR 115 to use custom authentication and a custom role source?

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• Alternative Menu Items in NSMenu

  - by Nick Paulson

  Hi, I have an NSMenu that contains NSMenuItems with custom views. I want it so that when the alt button is pressed, the menu items would change part of their look (through their view). I found setAlternative in the NSMenuItem docs, however, in practice I could only get it to work with NSMenuItems without custom views. As soon as I set a custom view, all of the menu items would be displayed. Also, I tried getting keypress events while the menu was open. Due to the other run loop, NSApplication's sendEvent: doesn't receive events until after the menu is closed. Therefore, I can't just intercept the event coming in. Does anyone know how I can get notified, whether through delegation or subclassing, of when the alt key is pressed when a menu is opened?

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• Create Class functions on the fly?

  - by JasonS

  Hi, i have a validation class which needs improving. If I require some custom validation I need to specify a custom function. It works a bit like this: The controller tells the validation that a custom validation function is required. The controller runs the validation. --- Gets iffy here --- Validation class creates a new instance of the controller class.... Validation class runs controller-custom_validation_function() Validation class returns true / false Is there someway that I can alter this to do something like this? $validation = new validation; // Insert rules here. $validation-function() = $this-function(); By doing this I could get rid of the step of creating an unneeded class instance.

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• What can i do about an ObjectDisposedException in a dll i cannot access?

  - by djerry

  Hey guys, I'm using a dll to monitor calls (Atapi.dll). Sometimes when events occur, there's an ObjectDisposedException. This seems to be random, i don't know what causes it. I can't debug it and i don't have the source code to it. The events that cause the exception are call events (conencting calls) through Tapi 2.0. It does not causes my app to crash. If i press on the continue button of the window visual studio is generating, the app continues ignoring the exception, but i'd rather not see it happening. I tried catching all code (not much) i have writting, but nothing catches it, and it also says i cannot debug it, because it is thrown in the dll. Does anyone have any idea how to solve or get pass this obstacle? Thanks in advance.

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• How to get a PerSession context with WCF?

  - by christophe31

  Hi, I got running a WCF service with custom binding, for now it use httpTransport. <customBinding> <binding name="myHttpBindingConf"> <context contextManagementEnabled="true" protectionLevel="None" contextExchangeMechanism="ContextSoapHeader" /> <textMessageEncoding/> <httpTransport useDefaultWebProxy="false" /> </binding> </customBinding> I've Made a custom IExtension<OperationContext> to stock my data in a specific context by following those instructions: http://hyperthink.net/blog/a-simple-ish-approach-to-custom-context-in-wcf/ I would like to use a ContextMode.PerSession context. Which transport choose to get Session management? How to set new transport in place and letting object discovery enabled? How to force a PerSession context?

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• Embedding QT application in Eclipse/RCP framework

  - by mots_g

  Hi, I'm trying to embed my working QT application in Eclipse RCP framework(might not sound wise but i need to do this). I'm using QT 4.5 (not yet explored what QTJambi is all about and has to offer) I convert my existing application as a dll and load it through eclipse application. Things dont work as they should as the QTApplication loop sits listening for events, and there is a good mismatch of events. Certain UI objects dont get the events. If I comment my Qppliaction::exec(), then the behaviour in QT app changes. Is there a way to achieve what I'm trying to achieve?? Thanks

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