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• How to add custom hooks to controllers in ASP.NET MVC2

  - by Adrian

  Hi, I've just started a new project in ASP.net 4.0 with MVC 2. What I need to be able to do is have a custom hook at the start and end of each action of the controller. e.g. public void Index() { *** call to the start custom hook to externalfile.cs (is empty so does nothing) ViewData["welcomeMessage"] = "Hello World"; *** call to the end custom hook to externalfile.cs (changes "Hello World!" to "Hi World") return View(); } The View then see welcomeMessage as "Hi World" after being changed in the custom hook. The custom hook would need to be in an external file and not change the "core" compiled code. This causes a problem as with my limited knowledge ASP.net MVC has to be compiled. Does anyone have any advice on how this can be achieved? Thanks

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• MKMapView not calling delegate methods

  - by criscokid

  In a UIViewController I add a MKMapView to the view controlled by the controller. - (void)viewDidLoad { [super viewDidLoad]; CGRect rect = CGRectMake(0, 0, 460, 320); map = [[MKMapView alloc] initWithFrame:rect]; map.delegate = self; [self.view addSubview:map]; } Later in the controller I have - (void)mapViewDidFinishLoadingMap:(MKMapView *)mapView { NSLog(@"done."); } Done never gets printed. None of the other delegate methods get called either like mapView:viewForAnnotation: I use a MKMapView in an another app, but this seems to happen on any new application I make. Has anyone else seen this behavior? EDIT: The problem seems to be when UIViewController is made the delegate of the MKMapView, a direct subclass of NSObject seems to work okay. I can work around like this, still seems very odd since I've done it before.

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• ASP:LinkButton and Eval

  - by sgibbons

  I'm using an ASP:LinkButton inside of an ItemTemplate inside of a TemplateField in a GridView. For the command argument for the link button I want to pass the ID of the row from the datasource that the gridview is bound to, so I'm doing something like this: <asp:LinkButton ID="viewLogButton" CommandName="viewLog" CommandArgument="<%#Eval("ID")%>" Text="View Log" runat="server"/> Unfortunately, the resulting HTML is this: <asp:LinkButton ID="viewLogButton" CommandName="viewLog" CommandArgument="3" Text="View Log" runat="server"/> It seems that it is parsing the Eval() properly, but this is somehow causing it not to parse the LinkButton tag and just dump it out as literal text. Does anyone know: a) why this is happening and, b) what a good solution to this problem is?

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• Pinch zoom without UIScrollView based control

  - by LK

  Is there an "accepted" way of performing (pinch) zoom on a view that is not based on UIScrollView?

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• ViewStateMode property in Asp.Net 4.0

  - by AspOnMyNet

  I haven’t yet started learning Asp.Net 4.0, but I did read a bit on ViewState, where there is a new property ViewStateMode. In earlier versions of Asp.Net, if parent control had its ViewState disabled, then child controls also had their ViewState disabled, even if their EnableViewState was set to true. a) Thus if I understand it correctly, then a child control C having ViewStateMode property set to “Enable” causes C to save its view state, even if parent control has its view state disabled? b) Is there a reason why ViewStateMode property hasn’t/couldn’t be implemented in earlier versions of Asp.Net? thanx

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• RewriteCond and Full QUERY_STRING

  - by Tim

  I'm having hard time getting my head wrapped around this one - and it should be trivial. I would like to redirect one URL with a specific query string to another URL. I want to send any requests that contain the query string in the URL http://mysite.com/index.php?option=com_user&view=register To: http://mysite.com/index.php?option=com_regme&view=form&regme=4&random=0&Itemid=6 If they add anything to the end of the first URL, it should still go to the second URL so that they cannot bypass the redirection. Nothing in the first query string needs to be preserved and passed to the second - all I want to do is change the URL completely. I'm tearing my hair out trying to get this to work yet it should be trivial. Suggestions? Thanks, -Tim

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• MVC best practice

  - by Patrick

  I'm new to MVC (i'm using codeigniter) and was wondering where I should put a "cut_description" function. My model retrieves a list of events including their description. If the description is too long, I would need to cut it after the first n words, and add a "read more" link, so the view doesn't get too cluttered. What would be the best practice? a) add the logic to cut after n words to the model; b) add the logic to the controller; c) add it to the view? I think C would be the easier (I have to loop through results anyway), but I'm not sure this would comply with MVC. What do you think?

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• Using views as a data interface between modules in a database

  - by Stefan

  Hello, I am working on the database layout of a straighforward small database in Mysql. We want to modularize this system in order to have more flexiblity for different implementations we are going to make. Now, the idea was to have one module in the database (simple a group of tables with constraints between them) pass its data to the next module via views. In this way, changes in one module would not affect the other ones, as we can make sure in the view that the right data is present there at any time, although the underlying structure of tables might be different. The structure of the App handling the database would likewise be modularized. Is this something that is sometimes done? On a technical side, as I understand views can't have primary keys - how would I then adress such a view? What other issues should be considered?

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• How do I layout an image that will be dynamically sized in interface builder?

  - by Tony

  I am having trouble laying out scrollable view in interface builder. A screen shot of my layout is here. As you can see the layout is pretty simple. The UIImageView above the text will not have a specific height. It may be 100px high or 300px high. This is why the view is scrollable. I am experiencing two problems with this layout: 1) For some reason the image will sit behind the text instead of pushing it down. Take a look here. 2) The obvious other problem is that the upper most UIImage and UILabel are getting pushed up off of the screen. I am thinking this has to do with the UIScrollView but I haven't been able to figure out why. Thanks!

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• savedInstanceState cannot be resolved to a variable

  - by Hector

  I'm currently working through "The Android Developers Cookbook" and one of the tutorials involves multiple activities in an app. To give a bit of background right now I have to .java files, a "menu screen" and a "game screen". The menu screen simply has a button that leads to the game screen which is currently empty except for a button that takes you back to the menu screen. Currently the game.java file is giving me a "savedInstanceState error" this is the code I am working on. public void onCreate(Bundle savedInsanceState) { // below is where the error comes up super.onCreate(savedInstanceState); setContentView(R.layout.game); Button startButton = (Button) findViewById(R.id.end_game); startButton.setOnClickListener(new OnClickListener() { public void onClick(View view) { finish(); } }); } I'm not sure why the error is coming up because on the first java file that same "public void...setContentView..." bit of code compiled perfectly fine... Please help!

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• Top techniques to avoid 'data scraping' from a website database

  - by Addsy

  I am setting up a site using PHP and MySQL that is essentially just a web front-end to an existing database. Understandably my client is very keen to prevent anyone from being able to make a copy of the data in the database yet at the same time wants everything publicly available and even a "view all" link to display every record in the db. Whilst I have put everything in place to prevent attacks such as SQL injection attacks, there is nothing to prevent anyone from viewing all the records as html and running some sort of script to parse this data back into another database. Even if I was to remove the "view all" link, someone could still, in theory, use an automated process to go through each record one by one and compile these into a new database, essentially pinching all the information. Does anyone have any good tactics for preventing or even just dettering this that they could share. Thanks

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• Localization with separate Language folders within Views

  - by Adrian

  I'm trying to have specific folders for each language in Views. (I know this isn't the best way of doing it but it has to be this way for now) e.g. /Views/EN/User/Edit.aspx /Views/US/User/Edit.aspx These would both use the same controller and model but have different Views for each language. In my Global.asax.cs I have routes.MapRoute( "Default", // Route name "{language}/{controller}/{action}/{id}", // URL with parameters new { language = "en", controller = "Logon", action = "Index", id = UrlParameter.Optional }, // Parameter defaults new { language = @"en|us" } // validation ); This works ok but always points to the same View. If I put the path to the Lanagugage folder it works return View("~/Views/EN/User/Edit.aspx"); but clearly this isn't a very nice way to do it. Is there anyway to get MVC to look in the correct language folder? Thanks and again I know this isn't the best way of doing Localization but I can't use resource files.

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• Quick / Built-in method for detecting table change in SQL Server?

  - by the-locster

  Is there a quick and easy way of telling if a table has changed in SQL Server? (I'm using SQL Server 2005). Something like an incrementing ID somewhere that updates on each INSERT, DELETE or UPDATE that I can keep track of. I noticed there is a sys.objects.modify_date column for each table, but I don't think it's quite what I want because the docs say: Date the object was last modified by using an ALTER statement. If the object is a table or a view, modify_date also changes when a clustered index on the table or view is created or altered.

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• Best solution for managing navigation (and marking currently active item) in CakePHP

  - by Nathan

  So I have been looking around for a couple hours for a solid solution to handling site navigation in CakePHP. Over the course of a dozen projects, I have rigged together something that works for each one, but what I'm looking for is ideally a CakePHP plugin that handles the following: Navigation Model Component for handing off to the view Element View Helper for displaying the navigation (with control over sublevels displayed and automatically determining the "active" item based on URL and/or controller/model/slug Admin pages for managing a tree of navigation Any suggestions for an all-in-one solution or even the individual components would be very appreciated! Or even suggestions on how you have handled it in the past

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• Add image gallery to node in Drupal

  - by vian

  I'm using Image module for Drupal 6 and the submodule of Image Gallery. Image gallery is identified by taxonomy term of certain vocabulary. What I need is to attach Image Gallery View supplied with Image Gallery to certain node. I am now trying to use Views Attach to do this. But how can I pass an argument of taxonomy term for gallery to the view? Also I added the taxonomy term for gallery to be defined for both images and my node type. Is it ok?

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• Reset UITextField's original placeholder text

  - by Michael

  I'm adding some user feedback mechanism into my app. The user types some comments into a text field and when that editing is done it updates a UITextView. Then when the user hits the submit button and moves on in the app the user may have need to send more feedback from the same form for a different item. I can reset the other fields and labels in the app to their default values when I hide the view, but not the textField (?). How can I reestablish the placeholder text next time the user accesses this view? Your suggestions are humbly appreciated.

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• Quick convert XML to Excel

  - by Bajji

  What is the quickest (as in least effort, not super performance) way to convert 112K rows in XML to a Excel view.

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• simile exhibit ie7 bug

  - by two7s_clash

  'm using to Exhibit to, pretty simply, display some data on historical events and book publication dates: http://f1shw1ck.com/timeline3/exhibit.html Everything works fine, and I have been able to get the timeline running as wanted, until I try to take control of the timeline with a timelineConfig script. After I add this, my timeline continues to work as expected on all browsers, except for IE. Curiously enough, band 0 initializes and is rendered correctly, but band 1 shows no events and does not sync to the band above. But it is picking up the width: 10%", intervalUnit: Timeline.DateTime.DECADE, intervalPixels: 60 specifications, as they are rendered correctly. Since everything works until I call ex:configuration="timelineConfig", since everything works in the other browsers, and since everything almost works in IE, up to the event painting, I have to imagine this is a javascript coding error on my part, but I just can't see it. All I get in my console is Failed to create view View As Timeline." Incidentally, having or not having the gotoYear function seemingly does nothing to change... Thanks for any tips.

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• Handling undo and edit flag on window with several model objects

  - by Rui Pacheco

  Hi, I've a window that will hold several instances of a model object, listed in a table. The model object is updated using a text view. What is the best way to keep the edit flag and undo manager in synch with the content of the different model objects? I'm thinking creating an instance of the undo manager on the model object and manually set the undo manager for the text view every time the user choses a new model object. Does the undo manager also handle the edited flag?

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• Null file when uploading via MVC

  - by Josh

  I have the following form on an .NET MVC View: <form method="post" enctype="multipart/form-data" action="/Video/UploadDocument"> <input type="file" id="document1" name="document1"/> <input type="submit" value="Save"/> </form> And the controller has the following signature that gets called: public ActionResult UploadDocument(HttpPostedFileBase file) { return View(); } When I break inside the UploadDocument method, the parameter 'file' is null. I've selected a valid document on my desktop and know it contains text. What am I missing to get this file upload working?

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• using araxis merge for folder comparison on git branches (OSX)

  - by memo

  I know how to setup araxis merge to be my git diff / merge tool, so if I do git difftool it automatically launches araxis merge. However if I do git difftool upstream/master (to see all the differences between current branch and upstream/master), it launches the app one by one for every single file that is different. Is there a way of setting it up so I can get a folder comparison type view, and then go down and view each file diff as I choose? i.e. similar to this http://www.araxis.com/merge_mac/overview2.html The only way I've found to do this is to clone my repo into a new folder, switch to the branch there, and then do a normal araxis merge folder comparison.

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• Spring/Hibernate: InvocationTargetException when deleting entity

  - by niklassaers

  I'm sorry if this question is a bit vague, but I'm quite confused. I've got a controller that calls a service to delete an entity and then create an entity in its place. In the service, I've got my DAO, and my entity, and I want to delete my entity, so I call DAO.delete(entity); Then, seemingly out of nowhere, I get an InvocationTargetException. The parameters here are: method: public org.springframework.web.servlet.ModelAndView tld.myproject.view.web.controller.MyController.replaceEntity(org.springframework.web.multipart.MultipartFile,javax.servlet.http.HttpServletRequest) target: tld.myproject.view.web.controller.MyController@185918e args: [org.springframework.web.multipart.commons.CommonsMultipartFile@14812a6, org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest@c08a64] ex: java.lang.reflect.InvocationTargetException private Object doInvokeMethod(Method method, Object target, Object[] args) throws Exception { ReflectionUtils.makeAccessible(method); try { return method.invoke(target, args); } catch (InvocationTargetException ex) { ReflectionUtils.rethrowException(ex.getTargetException()); } throw new IllegalStateException("Should never get here"); } Does anyone have a suggestion to what's going on? Anything I can use in my debugging? Cheers Nik

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• Is there any site which tells or highlights by zone developer income source? I think i am getting less yearly [closed]

  - by YumYumYum

  http://www.itjobswatch.co.uk/ Thats the only one good site i have found, but missing for Belgium and for other European countries. I was searching a site which can tell the income source details for European developer (specially for Belgium). But mostly not a single website exist who tells the true. My situation: As a programmer myself in one company i use all my knowledge, 20++ hours a day (office , home, office, home) because every-time its challenge/complex/stress/over-time feature-requests, at the end of the year in Europe i was getting in total not even the lowest amount shown here (UK pound vs Euro + high-tech most of the time they use + speed in development): http://www.itjobswatch.co.uk/ In one company i have to use my best performance knowledge for whole year with: C, Java, PHP (Zend Framework, Cakephp), BASH, MySQL/DB2, Linux/Unix, Javascript, Dojo, JQuery, Css, Html, Xml. Company wants to pay lesser but always it has to be perfect and it has to be solid gold and diamond like quality. And the total amount in Europe is not sufficient for me if i compare with other countries and living cost in Europe including taxes. Is there any developers/community site where we can see by country, zone what is minimum to maximum income source getting offered to the developers? So that some developers who is in troubles, they can shout and speak up louder with those references?

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• How to handle multiple delegates

  - by mac_55

  I've got a view in my app that does pretty much everything, and I like it that way. The problem however is that it's implementing 5 or 6 different delegates, which seems a little bit messy. My question is, does the view controller have to implement all of the delegates? or is there some way I can separate the code out into different files (without having to do a major restructure or rewrite)? Here's all the delegates I'm implementing: @interface MyView : UIViewController <UIScrollViewDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate, UIActionSheetDelegate, MFMailComposeViewControllerDelegate>

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• ASP.NET MVC based CMS - dynamic generation of form helpers

  - by user252160

  I am working on an ASP.NET MVC based CMS that presents a rather extreme case. The system must allow the user to add custom content types based on different fields, and for every field, one can add options and validations. The thing is that everything is stored in a complex DB and extracted at runtime using LINQ. I am pretty fresh with ASPNET MVC so the following dilemma came to mind How should I make the content creation view so that form helpers are not predefined int he view code but are loaded based on the type of the field ? Do I have to create a factory class that checks the value of the type property of the field, and then returns a helper based on that or there's a better way to do it. This one seems pretty rigid to me , because anytime I make a change in the Fieldtypes table, I will have to make sure to create a check for that new type too.

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