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• Adding OutputCache to a WebForm crashes my site :(

  - by Pure.Krome

  Hi folks, When I add either ... <%@ OutputCache Duration="600" Location="Any" VaryByParam="*" %> or <%@ OutputCache CacheProfile="CmsArticlesListOrItem" %> (.. and this into the web.config file...) <caching> <outputCacheSettings> <outputCacheProfiles> <add name="CmsArticlesListOrItem" duration="600" varyByParam="*" /> </outputCacheProfiles> </outputCacheSettings> <sqlCacheDependency ........ ></sqlCacheDependency </caching> my page/site crashes with the following error:- Source: System.Web ---------------------------------------------------------------------------- TargetSite: System.Web.DirectoryMonitor FindDirectoryMonitor(System.String, Boolean, Boolean) ---------------------------------------------------------------------------- Message:System.Web.HttpException: Directory 'C:\Web Sites\My Site Foo - Main Site\Controls\InfoAdvice' does not exist. Failed to start monitoring file changes. at System.Web.FileChangesMonitor.FindDirectoryMonitor(String dir, Boolean addIfNotFound, Boolean throwOnError) at System.Web.FileChangesMonitor.StartMonitoringPath(String alias, FileChangeEventHandler callback, FileAttributesData& fad) at System.Web.Caching.CacheDependency.Init(Boolean isPublic, String[] filenamesArg, String[] cachekeysArg, CacheDependency dependency, DateTime utcStart) at System.Web.Caching.CacheDependency..ctor(Int32 dummy, String[] filenames, DateTime utcStart) at System.Web.Hosting.MapPathBasedVirtualPathProvider.GetCacheDependency(String virtualPath, IEnumerable virtualPathDependencies, DateTime utcStart) at System.Web.ResponseDependencyList.CreateCacheDependency(CacheDependencyType dependencyType, CacheDependency dependency) at System.Web.HttpResponse.CreateCacheDependencyForResponse(CacheDependency dependencyVary) at System.Web.Caching.OutputCacheModule.InsertResponse(HttpResponse response, HttpContext context, String keyRawResponse, HttpCachePolicySettings settings, CachedVary cachedVary, CachedRawResponse memoryRawResponse) at System.Web.Caching.OutputCacheModule.OnLeave(Object source, EventArgs eventArgs) at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Ok .. so for some reason, the OutputCache wants a folder/file to be there? Well, i've had this site live for around 3 years and i'm pretty sure that the folders \Controls and \Controls\InfoAdvice doesn't exist on my production server. On my localhost, it sure does .. and contains a large list of ascx controls. But they don't exist on my live server. So ... what is going on here? Can anyone please help? Oh :) Before someone suggests I create those two folders and even stick a random file in those folders .. and have some random text in those random files .. i've done that and it doesn't seem to work, still :( Please Help !

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• Using jstl tags in a dynamically created div

  - by George

  I want to be able to show some data based on criteria the user enters in a text field. I can easily take this data, process the form post, and show the data on another page. However, I want to be able to do it all on the same page - they click the button, and a new div shows up with the information. This doesn't seem too complicated, but I want to use jstl tags to format the data like: <c:forEach items="${model.data}" var="d"> <tr> <td><fmt:formatDate type="date" dateStyle="short" timeStyle="default" value="${d.reportDate}" /></td> <td><c:out value="${d.cardType}"/></td> </tr> </c:forEach> If jstl tags are processed when the page loads, can I use that in this new div? Can I update it via a javascript (using prototype) function to display the proper data? Will I be able to do the same thing if they change the criteria and click the submit button again?

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• LINQ2SQL - Binding result to a grid - want changes to be reflected without re-binding?

  - by Isaac

  Hello, I have a grid (DevExpress XtraGrid, if that matters) which is bound to a LINQ to SQL Entity property. gridItems.DataSource = purchaseOrder.PendingItemsGrouped; Well, the grid is being displayed properly,and I can see the purchase items that are pending. The problem arises when purchaseOrder.PendingItemsGrouped gets changed ... once that happens, the grid does not reflect the changes. The exact procedure is as following: The user selects a row from the grid, inserts a serial number on a specific textbox, and then hits enter effectively receiving this item from the purchase order, and inserting it into stock. inventoryWorker.AddItemToStock( userSelectedItem, serialNumber ); The item gets properly inserted to the inventory, but the grid still shows the item as if it is still awaiting it to be received. How do I solve this problem? Do I really need to re-bind the grid so the changes can be reflected? I even tried instead of: gridItems.DataSource = ...; This: gridItems.DataBindings.Add( new Binding( "DataSource", purchase, "PendingItemsGrouped" ) ); But couldn't solve the problem. Thank you very much for your time, Isaac. OBS: Re-Binding the Grid works, but my question is ... is that even the proper way of doing things? I feel like I'm miles off the right track.

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• Reference custom list form fields from code behind and automatically fill them with values.

  - by Janis Veinbergs

  Hello. I`v made my custom NewForm.aspx for my list and I want to add some custom code to it. So I inherit that form from my own class: public class MyCustomNewForm : Microsoft.SharePoint.WebPartPages.WebPartPage Now I want to reference some of available fields to automatically fill them for user. (Javascript won't help here as I have to get some data from other lists). But I have no idea how do I reference these fields from codebehind files. The code for control field is written (well, it was generated by Sharepoint Designer when using command Insert SharePoint Controls Custom List Form...) in .aspx page like this: <SharePoint:FormField runat="server" id="ff1{$Pos}" ControlMode="New" FieldName="Title" __designer:bind="{ddwrt:DataBind('i',concat('ff1',$Pos),'Value','ValueChanged','ID',ddwrt:EscapeDelims(string(@ID)),'@Title')}"/> When looking at id at runtime, it is insanely long So how do i reference fields, so I could set Text property on them in my codebehind file?

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• With a jquery modular dialog how do I stop the form values from persisting?

  - by stormist

  (Citing source at: http://jqueryui.com/demos/dialog/#modal-form) As an example, this works great but each time the form is subsequently opened the user entered values remain. How can I stop this behavior? (the form will be used multiple times on the same page. <style type="text/css"> body { font-size: 62.5%; } label, input { display:block; } input.text { margin-bottom:12px; width:95%; padding: .4em; } fieldset { padding:0; border:0; margin-top:25px; } h1 { font-size: 1.2em; margin: .6em 0; } div#users-contain { width: 350px; margin: 20px 0; } div#users-contain table { margin: 1em 0; border-collapse: collapse; width: 100%; } div#users-contain table td, div#users-contain table th { border: 1px solid #eee; padding: .6em 10px; text-align: left; } .ui-dialog .ui-state-error { padding: .3em; } .validateTips { border: 1px solid transparent; padding: 0.3em; } </style> <script type="text/javascript"> $(function() { // a workaround for a flaw in the demo system (http://dev.jqueryui.com/ticket/4375), ignore! $("#dialog").dialog("destroy"); var name = $("#name"), email = $("#email"), password = $("#password"), allFields = $([]).add(name).add(email).add(password), tips = $(".validateTips"); function updateTips(t) { tips .text(t) .addClass('ui-state-highlight'); setTimeout(function() { tips.removeClass('ui-state-highlight', 1500); }, 500); } function checkLength(o,n,min,max) { if ( o.val().length > max || o.val().length < min ) { o.addClass('ui-state-error'); updateTips("Length of " + n + " must be between "+min+" and "+max+"."); return false; } else { return true; } } function checkRegexp(o,regexp,n) { if ( !( regexp.test( o.val() ) ) ) { o.addClass('ui-state-error'); updateTips(n); return false; } else { return true; } } $("#dialog-form").dialog({ autoOpen: false, height: 300, width: 350, modal: true, buttons: { 'Create an account': function() { var bValid = true; allFields.removeClass('ui-state-error'); bValid = bValid && checkLength(name,"username",3,16); bValid = bValid && checkLength(email,"email",6,80); bValid = bValid && checkLength(password,"password",5,16); bValid = bValid && checkRegexp(name,/^[a-z]([0-9a-z_])+$/i,"Username may consist of a-z, 0-9, underscores, begin with a letter."); // From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/ bValid = bValid && checkRegexp(email,/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i,"eg. [email protected]"); bValid = bValid && checkRegexp(password,/^([0-9a-zA-Z])+$/,"Password field only allow : a-z 0-9"); if (bValid) { $('#users tbody').append('<tr>' + '<td>' + name.val() + '</td>' + '<td>' + email.val() + '</td>' + '<td>' + password.val() + '</td>' + '</tr>'); $(this).dialog('close'); } }, Cancel: function() { $(this).dialog('close'); } }, close: function() { allFields.val('').removeClass('ui-state-error'); } }); $('#create-user') .button() .click(function() { $('#dialog-form').dialog('open'); }); }); </script> <div class="demo"> <div id="dialog-form" title="Create new user"> <p class="validateTips">All form fields are required.</p> <form> <fieldset> <label for="name">Name</label> <input type="text" name="name" id="name" class="text ui-widget-content ui-corner-all" /> <label for="email">Email</label> <input type="text" name="email" id="email" value="" class="text ui-widget-content ui-corner-all" /> <label for="password">Password</label> <input type="password" name="password" id="password" value="" class="text ui-widget-content ui-corner-all" /> </fieldset> </form> </div> <div id="users-contain" class="ui-widget"> <h1>Existing Users:</h1> <table id="users" class="ui-widget ui-widget-content"> <thead> <tr class="ui-widget-header "> <th>Name</th> <th>Email</th> <th>Password</th> </tr> </thead> <tbody> <tr> <td>John Doe</td> <td>[email protected]</td> <td>johndoe1</td> </tr> </tbody> </table> </div> <button id="create-user">Create new user</button> </div><!-- End demo --> <div class="demo-description"> <p>Use a modal dialog to require that the user enter data during a multi-step process. Embed form markup in the content area, set the <code>modal</code> option to true, and specify primary and secondary user actions with the <code>buttons</code> option.</p> </div><!-- End demo-description -->

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• fancybox iframe dimension

  - by iperdiscount

  Hi, in the fancybox homepage (http://fancybox.net/home) there is an exemple that opens an iFrame dimensioned as the 75% of the screen. I cant get it by modifing the width and height properties on the .js file as described on the site. Someones can help me? thaaanks

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• Django ForeignKey TemplateSyntaxError and ProgrammingError

  - by Daniel Garcia

  This is are my models i want to relate. i want for collection to appear in the form of occurrence. class Collection(models.Model): id = models.AutoField(primary_key=True, null=True) code = models.CharField(max_length=100, null=True, blank=True) address = models.CharField(max_length=100, null=True, blank=True) collection_name = models.CharField(max_length=100) def __unicode__(self): return self.collection_name class Meta: db_table = u'collection' ordering = ('collection_name',) class Occurrence(models.Model): id = models.AutoField(primary_key=True, null=True) reference = models.IntegerField(null=True, blank=True, editable=False) collection = models.ForeignKey(Collection, null=True, blank=True, unique=True), modified = models.DateTimeField(null=True, blank=True, auto_now=True) class Meta: db_table = u'occurrence' Every time i go to check the Occurrence object i get this error TemplateSyntaxError at /admin/hotiapp/occurrence/ Caught an exception while rendering: column occurrence.collection_id does not exist LINE 1: ...LECT "occurrence"."id", "occurrence"."reference", "occurrenc.. And every time i try to add a new occurrence object i get this error ProgrammingError at /admin/hotiapp/occurrence/add/ column occurrence.collection_id does not exist LINE 1: SELECT (1) AS "a" FROM "occurrence" WHERE "occurrence"."coll... What am i doing wrong? or how does ForeignKey works?

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• WPF - Redrawing a Context Menu when Items change?

  - by Rachel

  I have a ItemsControl in a ScrollViewer, and when the items exceed the width of the ScrollViewer they are put into a ContextMenu and shown as a DropDown instead. My problem is that when the Context Menu is first loaded, it saves the saves the size of the Menu and does not redraw when more commands get added/removed. For example, a panel has 3 commands. 1 is visible and 2 are in the Menu. Viewing the menu shows the 2 commands and draws the control, but then if you resize the panel so 2 are visible and only 1 command is in the menu, it doesn't redraw the menu to eliminate that second menu item. Or even worse, if you shrink the panel so that no commands are shown and all 3 are in the Menu, it will only show the top 2. Here's my code: <Button Click="DropDownMenu_Click" ContextMenuOpening="DropDownMenu_ContextMenuOpening"> <Button.ContextMenu> <ContextMenu ItemsSource="{Binding Path=MenuCommands}" Placement="Bottom"> <ContextMenu.Resources> <Style TargetType="{x:Type MenuItem}"> <Setter Property="Command" Value="{Binding Path=Command}" /> <Setter Property="Visibility" Value="{Binding Path=IsVisible, Converter={StaticResource ReverseBooleanToVisibilityConverter}}"/> </Style> </ContextMenu.Resources> <ContextMenu.ItemTemplate> <DataTemplate> <TextBlock Text="{Binding Path=DisplayName}" /> </DataTemplate> </ContextMenu.ItemTemplate> </ContextMenu> </Button.ContextMenu> </Button> Code Behind: void DropDownMenu_ContextMenuOpening(object sender, ContextMenuEventArgs e) { Button b = sender as Button; b.ContextMenu.IsOpen = false; e.Handled = true; } private void DropDownMenu_Click(object sender, RoutedEventArgs e) { Button b = sender as Button; ContextMenu cMenu = b.ContextMenu; if (cMenu != null) { cMenu.PlacementTarget = b; cMenu.Placement = System.Windows.Controls.Primitives.PlacementMode.Bottom; } } I have tried using InvalidateVisual and passing an empty delegate on Render to try and force a redraw, however neither works. I'm using .Net 4.0.

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• Django: Adding inline formset rows without javascript

  - by Brant

  This post relates to this: http://stackoverflow.com/questions/520421/add-row-to-inlines-dynamically-in-django-admin Is there a way to achive adding inline formsets WITHOUT using javascript? Obviously, there would be a page-refresh involved. So, if the form had a button called 'add'... I figured I could do it like this: if request.method=='POST': if 'add' in request.POST: PrimaryFunctionFormSet = inlineformset_factory(Position,Function,extra=1) prims = PrimaryFunctionFormSet(request.POST) Which I thought would add 1 each time, then populate the form with the post data. However, it seems that the extra=1 does not add 1 to the post data.

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• Symfony / Doctrine - How to filter form field by property in related model

  - by Dan

  I have a UserForm class which has a select list populated from a related model (specified by a foreign relationship in the yml) like so: $this->setWidget('report_id', new sfWidgetFormDoctrineChoice(array('model' => $this->getRelatedModelName('Report')))); I'd like to filter the Report objects that come from this relation by one of the Report fields, "active" such that only Reports with active=1 appear in the form. I have a method, ReportTable::GetActiveReports() that performs the appropriate query and returns the filtered reports. So one option is to populate the Widget with the results of that function. Any tips on the syntax to do that? It seems to me the cleaner way is to use the UserFormFilter class to filter the reports by active=1 there. Unfortunately I couldn't find any documentation on how to use form filters (or really what they are), so maybe this is not the right solution. Is a Form Filter the appropriate tool for this job? It seems I should use the Doctrine_Record_Filter_Standard class as defined here: http://www.doctrine-project.org/api/orm/1.2/doctrine/doctrine_record_filter_standard.html But it's not clear to me the appropriate usage. Any guidance would be helpful. Thanks! Dan

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• Disable `authenticity_token` in Rails

  - by Koning WWWWWWWWWWWWWWWWWWWWWWW

  I am creating a web application in Ruby on Rails and I want to disable authenticity_tokens. When I create a form without the form helper methods, Rails gives me errors when I click 'Submit.' I really hate this. Are there methods that generate the authenticity_token, or is there a way to disable it? Thanks

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• Re-setting CSS code for form buttons

  - by WebDevHobo

  I used a CSS reset to reset some commonly-used items. The code is this: html, body, div, h1, h2, h3, h4, ul, ol, li, form, input, fieldset, textarea { margin: 0; padding: 0; border: 0; font-size: 100%; } ul {list-style: none outside none;} img, fieldset {border: 0;} h1, h2, h3, h4 {font-weight: normal;} em {font-style: italic;} strong {font-weight: bold;} I know there's YUI and Meyer's reset, but I use this one. Now, the problem I'm experiencing is that I can't get the submit buttons to look normally again. I could ofcourse remove the input from the list and be done with it, but I'd like to know how to get it back, since I might need that in the future.

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• In proper HTML, must an <input> be in a <form>?

  - by Claudiu

  I need a few input elements, but their values won't be submitted anywhere - they're just going to be manipulated by some client-side JavaScript. Do I have to place them in a <form> to have legit HTML, or can they just be free-standing?

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• Javascript execution order

  - by zaf

  I want to give a static javascript block of code to a html template designer, which can be: either inline or external or both used once or more in the html template and each block can determine its position in the template relative to the other javascript code blocks. An example could be image banners served using javascript. I give code to template designer who places it in two places, once for a horizontal banner in the header and once for a vertical banner. The same code runs in both blocks but knowing their positions can determine if to serve a horizontal or a vertical image banner. Make sense?

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• How can I add GET variables to the end of the current page url using a form with php?

  - by zeckdude

  I have some database information that is being shown on a page. I am using a pagination class that uses the $_GET['page'] variable in the url. When you click on a different pagination anchor tag, it changes $_GET['page'] to a new number in the url and shows the corresponding results. I have sort and search features which uses the $_GET['searchby'] and $_GET['search_input'] variables. The user enters their search or sort criteria on a form that is using GET. The variables are then put into the url allowing for the correct results to be shown. The problem I am having is that whenever I click on a pagination link, it adds that to end of the url and erases the search or sort GET variables. The same thing happens when I submit the search/sort form. How can I add GET variables to the end of the current page url using the anchor tag and search/sort form?

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• Where to mention Accessdenied page in form Authentication

  - by Muhammad Akhtar

  I have implement Form Authentication <location path="Admin"> <system.web> <authorization> <deny users="?"/> <allow roles="Admin" /> <deny roles="systemAdmin"/> </authorization> </system.web> </location> Since in above mentioned rights, Admin can have access to Admin folder and systemAdmin can't have. I have make custom Accessdenied page where I am showing message to user he has not permission to access this page Now the issue is, If systemAdmin try to hit Admin folder page, he will be redirected to AccessDenied.apsx page. (please Note: both user are authenticated, 1 user have permission to some folder and other user have permission to other folder. I don't want to put check in each page) where to specify accessdenied page redirection ? Thanks

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• Rails 3 Form For Custom Action

  - by Andrew

  I'm having trouble routing a form to a custom action in Rails 3. Here are my routes: resources :photos do resources :comments collection do get 'update_states' end member do put 'upload' end end Here's the form_for: form_for @photo, :remote => true, :url => { :action => upload_photo_path(@photo) }, :html => { :multipart => :true, :method => 'put' } do |f| And here's the error message: No route matches {:action=>"/photos/42/upload", :controller=>"photos"} ... this is especially frustrating because "photos/:id/upload" is exactly the correct action for this form. What am I missing? EDITS - Here are the original Photo-related routes: photo_comments GET /photos/:photo_id/comments(.:format) {:action=>"index", :controller=>"comments"} POST /photos/:photo_id/comments(.:format) {:action=>"create", :controller=>"comments"} new_photo_comment GET /photos/:photo_id/comments/new(.:format) {:action=>"new", :controller=>"comments"} edit_photo_comment GET /photos/:photo_id/comments/:id/edit(.:format) {:action=>"edit", :controller=>"comments"} photo_comment GET /photos/:photo_id/comments/:id(.:format) {:action=>"show", :controller=>"comments"} PUT /photos/:photo_id/comments/:id(.:format) {:action=>"update", :controller=>"comments"} DELETE /photos/:photo_id/comments/:id(.:format) {:action=>"destroy", :controller=>"comments"} update_states_photos GET /photos/update_states(.:format) {:action=>"update_states", :controller=>"photos"} upload_photo PUT /photos/:id/upload(.:format) {:action=>"upload", :controller=>"photos"} photos GET /photos(.:format) {:action=>"index", :controller=>"photos"} POST /photos(.:format) {:action=>"create", :controller=>"photos"} new_photo GET /photos/new(.:format) {:action=>"new", :controller=>"photos"} edit_photo GET /photos/:id/edit(.:format) {:action=>"edit", :controller=>"photos"} photo GET /photos/:id(.:format) {:action=>"show", :controller=>"photos"} PUT /photos/:id(.:format) {:action=>"update", :controller=>"photos"} DELETE /photos/:id(.:format) {:action=>"destroy", :controller=>"photos"} Here are the relevant routes when I changed the route to match 'upload': photo_comments GET /photos/:photo_id/comments(.:format) {:action=>"index", :controller=>"comments"} POST /photos/:photo_id/comments(.:format) {:action=>"create", :controller=>"comments"} } new_photo_comment GET /photos/:photo_id/comments/new(.:format) {:action=>"new", :controller=>"comments"} edit_photo_comment GET /photos/:photo_id/comments/:id/edit(.:format) {:action=>"edit", :controller=>"comments"} photo_comment GET /photos/:photo_id/comments/:id(.:format) {:action=>"show", :controller=>"comments"} PUT /photos/:photo_id/comments/:id(.:format) {:action=>"update", :controller=>"comments"} DELETE /photos/:photo_id/comments/:id(.:format) {:action=>"destroy", :controller=>"comments"} update_states_photos GET /photos/update_states(.:format) {:action=>"update_states", :controller=>"photos"} upload_photo /photos/:id/upload(.:format) {:action=>"upload", :controller=>"photos"} photos GET /photos(.:format) {:action=>"index", :controller=>"photos"} POST /photos(.:format) {:action=>"create", :controller=>"photos"} new_photo GET /photos/new(.:format) {:action=>"new", :controller=>"photos"} edit_photo GET /photos/:id/edit(.:format) {:action=>"edit", :controller=>"photos"} photo GET /photos/:id(.:format) {:action=>"show", :controller=>"photos"} PUT /photos/:id(.:format) {:action=>"update", :controller=>"photos"} DELETE /photos/:id(.:format) {:action=>"destroy", :controller=>"photos"} Unfortunately 'match' didn't work any better... -- EDIT -- Just to confirm another scenario here... with this in the routes: resources :photos do resources :comments collection do get 'update_states' end member do match 'upload' end end and this in the view: form_for @photo, :remote => true, :url => { :action => 'upload' }, :html => { :multipart => :true, :id => 'photo_upload' } do |f| I still get: No route matches {:action=>"upload", :controller=>"photos"}

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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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• Good example usage of get_or _create in Django views and raising a Form error

  - by Rik Wade

  I would like to use get_or_create to check whether an object already exists in my database. If it does not, then it will be created. If it does exist, then I will not create the new object, but need to raise a form error to inform the user that they need to enter different data (for example, a different username). The view contains: p, created = Person.objects.get_or_create( email = registration_form.cleaned_data['email'], defaults = { 'creationDate': datetime.datetime.now(), 'dateOfBirth': datetime.date(1970,1,1) }) So 'p' will contain the existing Person if it exists, or the new Person if not. I would like to act on the boolean value in 'created' in order to skip over saving the Person and re-display the registration_form and raise an appropriate form validation error. The alternative I'm considering is doing a check in a custom Form validation method to see whether a Person exists with the data in the provided 'email' field, and just raising a validation error.

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• shared library path inconsistent from one host to another

  - by yan bellavance

  I built my qt app so that all the Qt modules it uses are contained in the same directory as the executable. It works on the machine I used to build the app and I made sure to test this by removing those shared libraries everywhere except in the current directory of the app. Doing a ldd shows that its looking for those libraries in the current directory and putting the executable by itself fails to open the exectuable. So this is all good but when I transfer this directory to a host machine it still cant find those libraries. what could be the problem?

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• Creating a second form page for a has_many relationship

  - by Victor Martins

  I have an Organization model that has_many users through affiliations. And, in the form of the organization ( the standard edit ) I use semanting_form_for and semantic_fields_for to display the organization fields and affiliations fields. But I wish to create a separete form just to handle the affiliations of a specific organization. I was trying to go to the Organization controller and create a an edit_team and update_team methods then on the routes create those pages, but it's getting a mess and not working. am I on the right track?

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• OpenId ASP MVC Authentication with long expiry

  - by Khash

  Stackoverflow uses OpenId as many other websites. However, I rarely need to provide my OpenId to Stackoverflow while with other OpenId enabled websites, I have to do it once a day or week. This suggests to me that the expiry of the session is with the website and not the OpenId provider. Looking at the DotNetOpenId code in ASP MVC, I can see that after a successful authentication by the OpenId provider FormsAuthentication.SetAuthCookie is called with the identifier and a boolean parameter to determine if the cookie should be persisted. How can I force this cookie to expire, say in 2020 instead of whatever the default value is.

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• Can someone tell me what Strong typing and weak typing means and which one is better?

  - by zamfir

  Can someone tell me what Strong typing and weak typing means and which one is better?

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• Design question for WinForms (C#) app, using Entity Framework

  - by cdotlister

  I am planning on writing a small home budget application for myself, as a learning excercise. I have built my database (SQL Server), and written a small console application to interact with it, and test out scenarios on my database. Once I am happy, my next step would be to start building the application - but I am already wondering what the best/standard design would be. I am palnning on using Entity Framework for handling my database entities... then linq to sql/objects for getting the data, all running under a WinForms (for now) application. My plan (I've never used EF... and most of my development background is Web apps) is to have my database... with Entity Framework in it's own project.. which has the connection to the database. This project would expose methods such as 'GetAccount()', 'GetAccount(int accountId)' etc. I'd then have a service project that references my EF project. And on top of that, my GUI project, which makes the calls to my service project. But I am stuck. Lets say I have a screen that displays a list of Account types (Debit, Credit, Loan...). Once I have selected one, the next drop down shows a list of accounts I have that suite that account type. So, my OnChange event on my DropDown on the account type control will make a call to the serviceLayer project, 'GetAccountTypes()', and I would expect back a List< of Account Types. However, the AccountType object ... what is that? That can't be the AccountType object from my EF project, as my GUI project doesn't have reference to it. Would I have to have some sort of Shared Library, shared between my GUI and my Service project, with a custom built AccountType object? The GUI can then expect back a list of these. So my service layer would have a method: public List<AccountType> GetAccountTypes() That would then make a call to a custom method in my EF project, which would probably be the same as the above method, except, it returns an list of EF.Data.AccountType (The Entity Framework generated Account Type object). The method would then have the linq code to get the data as I want it. Then my service layer will get that object, and transform it unto my custom AccountType object, and return it to the GUI. Does that sound at all like a good plan?

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• Django Custom Widget For ManyToMany field

  - by John

  Does anyone know of a widget that displays 2 select boxes. One shows a list of all object in a model and the other shows the objects which have been selected. The user can then select an object from the first list, click an button which moves it to the 'selected' list. Then when the form is saved the objects in the selected list are saved in the manytomany field. Thanks

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