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  • Using jQuery, how do I way attach a string array as a http parameter to a http request?

    - by predhme
    I have a spring controller with a request mapping as follows @RequestMapping("/downloadSelected") public void downloadSelected(@RequestParam String[] ids) { // retrieve the file and write it to the http response outputstream } I have an html table of objects which for every row has a checkbox with the id of the object as the value. When they submit, I have a jQuery callback to serialize all ids. I want to stick those ids into an http request parameter called, "ids" so that I can grab them easily. I figured I could do the following var ids = $("#downloadall").serializeArray(); Then I would need to take each of the ids and add them to a request param called ids. But is there a "standard" way to do this? Like using jQuery?

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  • Set cookie value before view loaded in MVC?

    - by James123
    I need to set a cookie value before my view called. otherwise I have to refresh the page to get cookie value in the view. The problem here is the value of cookie will get in controller. [HttpGet] [Route("Abstract/{meetingCode}")] [AllowAnonymous] public ActionResult Index(string meetingCode) { var meetingAbstract = new MeetingAbstract(); meetingAbstract.Meeting = _abstractContext.GetMeetingWithMeetingCode(meetingCode); if (meetingAbstract.Meeting != null) { var cookie = new HttpCookie("_culture"); cookie.Value = meetingAbstract.Meeting.language.language_locale_code;//"en-US"; cookie.Expires = DateTime.Now.AddDays(365); cookie.Path = "/"; this.ControllerContext.HttpContext.Response.Cookies.Add(cookie); ... Any other way without refresh the page again to set cookie value?

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  • asp.net mvc - limit access to web pages

    - by niao
    Greetings, in my asp.net mvc application what i would like to do is to enable access to some pages only after user was successfully authorized. I have already created custom membership provider and that works fine. How can I, in web config create such rule - for instance for all pages in ~Admin/ folder? I don't want to create on every controller's action the validation code. For now i have in my web.config the following statement: <location path="~/Admin"> <system.web> <authorization> <deny users="?"/> </authorization> </system.web> but it doesn't work.

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  • Rails: Thread won't affect database unless joined to main Thread

    - by hatboysam
    I have a background operation I would like to occur every 20 seconds in Rails given that some condition is true. It kicked off when a certain controller route is hit, and it looks like this def startProcess argId = self.id t = Thread.new do while (Argument.isRunning(argId)) do Argument.update(argId) Argument.markVotes(argId) puts "Thread ran" sleep 20 end end end However, this code does absolutely nothing to my database unless I call "t.join" in which case my whole server is blocked for a long time (but it works). Why can't the read commit ActiveRecords without being joined to the main thread? The thread calls methods that look something like def sample model = Model.new() model.save() end but the models are not saved to the DB unless the thread is joined to the main thread. Why is this? I have been banging my head about this for hours.

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  • Rails 3: Create an instance with 3 foreign keys.

    - by donald
    Hello, Having a reviews table: # Table name: reviews # # id :integer not null, primary key # wsp_id :integer # service_id :integer # user_id :integer # description :text # rating :integer # created_at :datetime # updated_at :datetime # belongs_to :wsp belongs_to :service belongs_to :user How can I create a review for a service and pass the wsp_id and user_id? Do I need to use nested routes? I am able to do @user.reviews.new(params[:review]) but I'm not being able of passing the wsp_id and the service_id. Here's my Reviews create controller. def create @review = current_user.reviews.new(params[:review]) if @review.save #Saved else #Error, not saved end end What am I doing wrong? Thank you!

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  • Rails - How do you dynamically call the request methods "get put destroy etc" at runtime in tests

    - by adam
    I'm always writing tests to check my controller restricts people from certain actions depending on their status i.e. logged in, admin? etc Regardless of whether its a get to :index or a puts to :create the code is always the same. I'm trying to refactor this so that i have one method such as should_redirect_unauthenticated_to_login_action(request, action) and call it like so should_redirect_unauthenticated_to_login_action(:get, :index) = get :index But not sure how to dynamically call the various response methods rails provides for functional tests which seem to live in the module ActionController I mucked around with module = Kernel.const_get("ActionController") module::TestProcess.get NoMethodError: undefined method `get' for ActionController::TestProcess:Module can anyone help (im very new to dynamic calling in ruby)

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  • Cannot call struct properties from HAML file

    - by Lander
    I have the following code in my controller: @nav_items = ActiveSupport::OrderedHash.new @nav_items[:home] = Struct::NavItem.new("Home", nil, "/", "icon-home") @nav_items[:about] = Struct::NavItem.new("About", nil, "/about", "icon-heart") @nav_items[:contact] = Struct::NavItem.new("Contact", nil, "/contact", "icon-envelope") if (current_user != nil && current_user.admin?) @nav_items[:admin_divider] = Struct::NavItem.new(nil, "divider-vertical", nil, nil) @nav_items[:admin] = Struct::NavItem.new("Admin", nil, "/admin", "") end And the following in my view: - @nav_items.each do |nav_item| %li{ :class => nav_item[:class] } %a{ :href => nav_item[:link] }= nav_item[:text] And my struct definition: Struct.new("NavItem", :text, :class, :link, :icon_class) I'm relatively new to Ruby, Rails, and HAML, but in another project using ERB rendering, code like that worked fine. I've tried referencing properties by doing something like nav_item.link as well, but that still does not work. The error I get with my current code is: Symbol as array index By using code like nav_item.link: undefined method `link' for #< Array:0x126970ff0 As this is my first time using HAML, I'm not too sure what I'm doing wrong.

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  • How do I delete an object from an Entity Framework model without first loading it?

    - by Tomas Lycken
    I am quite sure I've seen the answer to this question somewhere, but as I couldn't find it with a couple of searches on SO or google, I ask it again anyway... In Entity Framework, the only way to delete a data object seems to be MyEntityModel ent = new MyEntityModel(); ent.DeleteObject(theObjectToDelete); ent.SaveChanges(); However, this approach requires the object to be loaded to, in this case, the Controller first, just to delete it. Is there a way to delete a business object referencing only for instance its ID? If there is a smarter way using Linq or Lambda expressions, that is fine too. The main objective, though, is to avoid loading data just to delete it.

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  • ASP.NET MVC Access model data in masterpage

    - by Paul
    I have created a UserSiteBaseController that gets commonly used data and sets the data to a UserSiteBaseViewData viewmodel in a method called SetViewData public T CreateViewData<T>() where T : UserSiteBaseViewData, new() { .... } I then create specific Controllers that inherit from the UserSiteBaseController as well as viewModels that inherit from UserSiteHomeViewData and can be created in the controller like so: public ActionResult Index(string slug) { Slug = slug; var viewData = CreateUserSiteHomeViewData<UserSiteHomeViewData>(); //If invalid slug - throw 404 not found if (viewData == null) return PageNotFound(); viewData.Announcements = _announcementsData.All(slug).ToList(); return View(viewData); } private T CreateUserSiteHomeViewData<T>() where T : UserSiteHomeViewData, new() { T viewData = CreateViewData<T>(); return viewData; } The UserBaseViewData holds data that needs to be use on every page so it would be great to be able to access this data from the Masterpage in a strongly typed manner. Is this possible or am I going about this in the incorrect manner?

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  • .net MVC, dealing with json and Areas

    - by JoseMarmolejos
    When not using areas dealing with the url for the JsonResults from the clientside is not much of a pain, usually you can get away with hardcoding the url into your json calls and get away with it. Problem arises when you have different areas and you don't want to update all your links when you move a controller (and its views) from one area to the other. I'm not very satisfied with the way I'm handling this scenario by having this chunk of code inside every view: <script type="text/javascript"> var ControllerActions = { JsonSearch: '<%= Url.Action("JsonSearch") %>/', JsonDelete: '<%= Url.Action("JsonDelete") %>/', Edit: '<%= Url.Action("Edit") %>/', Delete: '<%= Url.Action("Delete") %>/' } </script> While it does work no matter where I place the views/controllers I wonder if there's a more elegant to do this.

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  • Making a zend routes default paramaters display in the URL

    - by NaNuk
    I have a route defined as below. $route['manage-vehicles'] = new Zend_Controller_Router_Route( 'vehicles/manage/page/:page', array( 'controller' => 'vehicles', 'action' => 'manage', 'page' => '1' ) ); When the 'page' parameter is not specifically defined (e.g. in a menu constructed using the navigation component), the resultant URL is /vehicles/manage/page I would much prefer or the URL not to to display the default paramater key in this scenario i.e. /vehicles/manage Any ideas how to accomplish this would be appreciated? Thanks.

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  • How do I obtain an HtmlHelper<TModel> instance for a model in ASP.NET MVC?

    - by DanM
    Let's say I have an Index view. The model I pass in is actually a collection of models, so the Html property is of type HtmlHelper<List<MyModel>>. If I want to call extension methods (e.g., Display() or DisplayFor() on the individual items in the list, however, I think I need to obtain an HtmlHelper<MyModel>. But how? I tried using the HtmlHelper<TModel> constructor, which looks like this: HtmlHelper<TModel>(ViewContext, IViewDataContainer) But I'm not having any luck with that. I don't know how to obtain the IViewDataContainer for the item, and the documentation on these things is very sparse. A lot of magic apparently happens when I do... return View(List<MyModel>); ...in my controller. How do I recreate that magic on individual items in a list/collection?

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  • Writing a simple incrementer counter in rails

    - by Trip
    For every Card, I would like to attach a special number to them that increments by one. I assume I can do this all in the controller. def create @card = Card.new(params[:card]) @card.SpecNum = @card.SpecNum ++ ... end Or. I can be blatantly retarded. And maybe the best bet is to add an auto-incremement table to mysql. The problem is the number has to start at a specific number, 1020. Any ideas?

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  • Is there any memory restrictions on an ASP.Net application? HttpHandler?

    - by tpower
    I have an ASP.Net MVC application that allows users to upload images. When I try to upload a really large file (400MB) I get an error. I assumed that my image processing code (home brew) was very inefficient, so I decided I would try using a third party library to handle the image processing parts. Because I'm using TDD, I wanted to first write a test that fails. But when I test the controller action with the same large file it is able to do all the image processing without any trouble. The error I get is "Out of memory". I'm sure my code is probably using a lot more memory than it needs to but I just want to know why my test passes. The other difference is that I'm using SWFUpload which is not used with the test. Could this be the cause?

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  • Include in enity framework 4

    - by molgan
    Hello I've been using enity framework that came with 3.5sp. And now I've redone things for enityframework 4 and asp.net mvc 2. I've come across something (which worked in my previous version and asp.net mvc 1.0). I have this: public IQueryable<Booking> GetBookings() { return from b in _entities.Bookings.Include("BookingObject") select b; } And in my controller I have: return View("Index", new BookingsViewModel { Bookings = _br.GetBookings().ByDay(DateTime.Today) }); And it doesnt seem to include the "BookingObject"-entity, so I can type like <%= Model.Bookings.BookingObject.BookingObjectName %> in my view. What might be missing here? Do I need to turn something on in the diagram for it to include entities or? /M

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  • MVC + Repository Pattern - Still depends on Data Model?

    - by Jack
    I've started a project for school in which I am using ASP.NET MVC 2 + LINQ2SQL, and a business layer so my UI doesnt interact with the DB directly. My question is this: In my MVC project, when bringing up views and passing around data, I still have to include my Data project for access to the classes in my Linq2Sql project. Is this correct? Example: Controller: ClassesRepository cr = new ClassesRepository(); // this is from my Business project Class classToEdit = cr.GetByClassId(id); // "Class" is from my data project I still have to reference the Class class in my linq2sql data project - shouldn't my UI be completely independent of my data layer? Or maybe I'm going about this all wrong.

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  • How can I use edit_in_place on three different models from a View for a model those three belong_to?

    - by Angela
    I have a model called Campaign. In the controller, I do the following to list, in order, the three Models that belong_to a Campaign: <% @campaign_events = campaign_events %> <% @campaign_events.each do |campaign_event| %> <% model_name = campaign_event.class.name.tableize.singularize %> <p> <%= link_to campaign_event.title, send("#{model_name}_path", campaign_event) %> <span class='model_name'>(<%= model_name.capitalize %>)</span> <%= campaign_event.days %> Days </p> <% end %> campaign_event is a campaign_helper defined as: module CampaignsHelper def campaign_events return (@campaign.calls + @campaign.emails + @campaign.letters).sort{|a,b| a.days <=> b.days} end end I want to be able to click on the numerical value for Days when looking at the view/campaign/show and edit the value for :days (in this case, displayed as campaign_event.days

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  • How to read the values returned by the Json?

    - by user281180
    I have the following code in my view: <% using (Ajax.BeginForm("JsonCreate", new AjaxOptions { OnComplete = "createCategoryComplete" })) { % Add new category <%=Html.TextBox("CategoryId")% <%=Html.TextBox("Test")% Name: <%= Html.TextBox("Name")% <%= Html.ValidationMessage("Name")% </p> <p> <input type="submit" value="Create" /> </p> </fieldset> </div> <% } % In the controller the code is as follows: [AcceptVerbs(HttpVerbs.Post)] public JsonResult JsonCreate(string Name) { if (ModelState.IsValid) { try { //Return a json object to the javascript return Json(new { CategoryId = 123, Test= "test successful" }); } catch { #region Log errors about the exception //Log error to administrator here #endregion } } //If we got this far, something failed, return an empty json object return Json(new { /* Empty object */ }); } What should be the code in the view for the following function to read the values returned by the Json and update the textboxes for CategoryId and Test? function createCategoryComplete() {....???}

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  • Zend and Jquery (Ajax Post)

    - by Zend_Newbie_Dev
    I'm using zend framework, i would like to get POST data using Jquery ajax post on a to save without refreshing the page. //submit.js $(function() { $('#buttonSaveDetails').click(function (){ var details = $('textarea#details').val(); var id = $('#task_id').val(); $.ajax({ type: 'POST', url: 'http://localhost/myproject/public/module/save', async: false, data: 'id=' + id + '&details=' + details, success: function(responseText) { //alert(responseText) console.log(responseText); } }); }); }); On my controller, I just don't know how to retrieve the POST data from ajax. public function saveAction() { $data = $this->_request->getPost(); echo $id = $data['id']; echo $details = $data['details']; //this wont work; } Thanks in advance.

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  • How to implement message passing in GNUradio?

    - by xuandl
    I need to implement message passing, my idea is to make some sort of message source (I inherit from public gr_sync_block) that works as a controller for another block (it has to send a message each 6 minutes). I read that is necessary to inherit from gnuradio::block -and by the way, installing grextras is mandatory-. In the .h file I added the #include and inherited from block"class JDFM_API jdfm_control : public gr_sync_block, public gnuradio::block". I know that I have redefine some things like the gnuradio::block constructor but I dont know what msg_signature is, I also don't get the relation between block's parameters and work parameter, the last thing that I am not sure is if I still can use gnuradio-companion if I create a block like this. I haven't been able to find a simple example of messages implementation. If anyone can guide me or show me an example, it would be awesome. Thanks in advance.

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  • detailsView title and description stays the same, not refreshing ...

    - by ahmet732
    I have some values on my tableview coming from database. I simply tap one of them, navigate to detailsView then I can see the title and description of that value on my navigation controller. (title on navigation bar, description on text view in detailsView) but when I wanted to search, I click search bar, keyboard comes up from the bottom, tableview minimizes a bit then find what I want from table. I tap again but titles and descriptions show very first value of my table view .. It does not show the correct title and description. Whenever I searched, it shows the title and description of very first value on my table view..

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  • How to make same UIWebView take data from different local .html files?

    - by Mike Rychev
    I have an app, where there's one UIWebView and a UITableView. I don't want to create many .xib's, so I decided to make one .xib for all elements of the table. When user chooses a table element, the UIWebView appears and I want it to load data from different .html's depending on the name of the parent controller. I tried this: if (selectedTableElement==@"FirstElement") { [childController.message loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"_" ofType:@"html"]isDirectory:NO]]]; } And then myWebView=message; But it didn't work. Thanks in advance!

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  • Navigation Bar color doesn't change back? iOS7

    - by TKP
    I have several tableviews with navigation controller. The navigation bar is white for all the views except the last one, which is red. I have [[[self navigationController] navigationBar] setTintColor:[UIColor redColor]; in the viewDidLoad of the last tableview and [[[self navigationController] navigationBar] setTintColor:[UIColor whiteColor]; in the viewDidLoad of other table views. It works fine until I get to the last view and the color of the navigation bar changes to red. When I go back to the previous views, all the previous views' navigation bar has changed to red. Where should I put those codes so the color will remain unchanged? Thanks,

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  • MVC for web development: Sign-up form?

    - by incrediman
    How would I go about implementing a signup form using the MVC pattern for a website (I'm using PHP)? I think the controller should receive the POST data initially. Then probably some interation with the model might need to take place (if the user successfully signs up). Then I think the signup form view would be called, and a value would be passed in saying whether or not the signup was successful. Stuff I need help with: Where do I do input validation (ie. proper email address formatting)? How do I check to make sure the username is unique? Is the rest of my description alright? How would you go about doing an MVC website signup form?

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  • Detect when home button is pressed iOS

    - by nick
    I have several iOS apps that all use the same port to listen for a network beacon. On the main view I use viewWillDisappear to close the port when another view is opened, which was working great. Then I noticed if I pressed the home button from the main view controller without opening another view to close the port, then the port stays open and non of my other apps can listen on that port any more. I then tried using viewWillUnload, but that doesn't seem to get called when I press the home button. -(void)viewWillUnload { //[super viewWillUnload]; NSLog(@"View will unload"); [udpSocket close]; udpSocket = nil; } View will unload is never displayed in the console, which leads me to believe that the method is never getting called. Is there a way to detect when the home button is pressed so I can close my port?

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