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• How to make an invisible button to run a command

  - by Denis Mitropolskiy

  I have a form with TextBox and two Buttons. One button has IsDefault property set to true, and IsCancel set to true for other button. TextBox is CommandTarget for both buttons. When I'm pressing Enter or ESC keys on TextBox, it works as I'm pressing on corresponding button. I want to remove buttons from the form. They should not be visible, but the textbox should react on Enter or ESC as before. I cannot just set button's Visible property to collapsed - in this case they does not work at all. And I prefer to avoid of tracking keyboard events. Is it possible?

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• I don't understand Application Domains

  - by Jeremy Edwards

  .NET has this concept of Application Domains which from what I understand can be used to load an assembly into memory. I've done some research on Application Domains as well as go to my local book store for some additional knowledge on this subject matter but it seems very scarce. All I know that I can do with Application Domains is to load assemblies in memory and I can unload them when I want. What are the capabilities other that I have mentioned of Application Domains? Do Threads respect Application Domains boundaries? Are there any drawbacks from loading Assemblies in different Application Domains other than the main Application Domains beyond performance of communication? Links to resources that discuss Application Domains would be nice as well. I've already checked out MSDN which doesn't have that much information about them.

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• Tips on refactoring existing .net applications to support localization?

  - by Lee Warner

  We're going global. I've been tasked with refactoring our existing products to support localization. Last week I shunned using resource files (.resx) in favor of a home-baked database look-up method. After hitting a serious snag with that, I'm back to the microsoft way of using resx. All the documentation I've seen so far details how to create new "World-Ready" applications, but I don't see anything on changing existing applications. Is my only recourse to touch the application form by form and control by control to have it point to newly created resource files? Any good sources/links for internationalizing your apps?

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• Loading a SWF dynamically causes previously loaded SWFs to misbehave

  - by Aaron

  I have run into a very strange problem with Flash and Flex. It appears that under certain circumstances, movie clips from a SWF loaded at runtime (using Loader) cannot be instantiated if another SWF has been loaded in the mean time. Here is the complete code for a program that reproduces the error. It is compiled using mxmlc, via Ensemble Tofino: package { import flash.display.*; import flash.events.*; import flash.net.*; import flash.system.*; public class DynamicLoading extends Sprite { private var testAppDomain:ApplicationDomain; public function DynamicLoading() { var request:URLRequest = new URLRequest("http://localhost/content/test.swf"); var loader:Loader = new Loader(); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onTestLoadComplete); loader.load(request); } private function onTestLoadComplete(e:Event):void { var loaderInfo:LoaderInfo = LoaderInfo(e.target); testAppDomain = loaderInfo.applicationDomain; // To get the error, uncomment these lines... //var request:URLRequest = new URLRequest("http://localhost/content/tiny.swf"); //var loader:Loader = new Loader(); //loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onTinyLoadComplete); //loader.load(request); // ...and comment this one: onTinyLoadComplete(); } private function onTinyLoadComplete(e:Event = null):void { var spriteClass:Class = Class(testAppDomain.getDefinition("TopSymbol")); var sprite:Sprite = Sprite(new spriteClass()); sprite.x = sprite.y = 200; addChild(sprite); } } } With the second loading operation commented out as shown above, the code works. However, if the second loading operation is uncommented and onTinyLoadComplete runs after the second SWF is loaded, the line containing new spriteClass() fails with the following exception: TypeError: Error #1034: Type Coercion failed: cannot convert flash.display::MovieClip@2dc8ba1 to SubSymbol. at flash.display::Sprite/constructChildren() at flash.display::Sprite() at flash.display::MovieClip() at TopSymbol() at DynamicLoading/onTinyLoadComplete()[C:\Users\...\TestFlash\DynamicLoading.as:38] test.swf and tiny.swf were created in Flash CS4. test.swf contains two symbols, both exported for ActionScript, one called TopSymbol and one called SubSymbol. SubSymbol contains a simple graphic (a scribble) and TopSymbol contains a single instance of SubSymbol. tiny.swf contains nothing; it is the result of publishing a new, empty ActionScript 3 project. If I modify test.swf so that SubSymbol is not exported for ActionScript, the error goes away, but in our real project we need the ability to dynamically load sprite classes that contain other, exported sprite classes as children. Any ideas as to what is causing this, or how to fix it?

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• how to change th bin path

  - by adveb

  hey i want to load my assembleis from diffrent location then the bin folder how can i accomplish it ? thank you

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• How is it possible to get the forms mouseposition when clicking inside a control?

  - by ikky

  Hi. I have a panel and have added a PictureBox to it. I have added mouse_click listeners to both the panel and the picturebox. When they are clicked i create a messagebox which tells me the mouse position. Problem: When i click the panel, i get the mouse position i want. When i click the pictureBox, i get the current position in that picturebox. What i want: I want both of the controls to get the current mouseposition on the form. I can also go with getting the current mouseposition of the panel, since it is overlaying the form. Does anybody know how i can do this? I've googled around for this, but can't seem to find anything about it. Thank you in advance.

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• Multiple Forms on the Same Page with Rails

  - by Eric Koslow

  So I'm building a rails app for high school students and I've hit a problem when it comes to creating users. I want the students to only be able to create accounts if they select their school and type in their school's password correctly. What is the correct / easiest way of doing this? Should I create a gatekeeper to the user#new action that they have to pass first or if their a way that on the same page a student can submit to forms. One would be the regular username, email, password using: form_for @user do ... end But then creating another form for the high-school / high-school password selection. Ideally the controller would be able to get the params of the high-school form, validate those, then go on to create the user from the user params. Is this possible using rails? My setup: Rails 3 and Ruby 1.9.2dev Thank you!

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• Deleting entity with child relationships using .Net Entity Framework problem

  - by Am

  My God, EF is so frustrating. I can't seem to be able to get my head around what I need to do so I can delete an object. I seem to be able to remove the object but not the related child objects. Can anyone tell me what is the rule of thumb when you want to delete all related child objects of a given object? I've tried loading all related objects like this: if (!object.childobjects.IsLoaded) object.childobjects.Load(); but once I do the following I get errors related to the relationships: modelcontext.DeleteObject(object); modelcontext.SaveChanges(); Why can't I just load the object using modelcontext.GetObjectByKey and remove it along with its child objects? My other question is can I delete an object using Entity command like so? DELETE e from objectset as e where e.id = 12 I've tried few variations and all of them throw exceptions.

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• ASP.NET AjaxControlToolkit change Combobox content dynamically per Ajax

  - by Ulli

  If I understand it right the new ACT ComboBox Control is Bound once to a given Datasource. But the count of the records I want to bind is very large. So I want to load the content of the ComboBox List via Ajax after the user typed in a few charachters. So at page load the combobox list should be empty and if something is typed in the list is loaded with the typed text as search text. I tried this: <asp:ComboBox ID="cbxCompany" DropDownStyle="DropDownList" runat="server" AutoCompleteMode="Append" /> Protected Sub cbxCompany_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cbxCompany.TextChanged Dim dt As DataTable = GetCompanies(cbxCompany.Text) cbxCompany.DataSource = dt cbxCompany.DataTextField = "nameout" cbxCompany.DataValueField = "cid" cbxCompany.DataBind() End Sub GetCompanies is my method for getting data from the database, the parameters filters the select statement. But this doesn't work. Is there a way to reload the combobox content per Ajax?

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• In an ASP.NET Web Site Project, what is the best option to manage modular widgets

  - by Juan Sagasti

  We are creating a modular Web Site Project and all the UI is based on simple html pages with javascript widgets. These widgets obtain the data from a WCF class located in the app_code folder. Each widget has 3 files [ js, css , cs] and an image directory: , and we want all these files to be located under the same directory, say: /widgets/mywidget/ The problem is that the .cs file needs to be in the app_code folder to be compiled dynamically and that would break our widget modularity forcing the installator to distribute the widget code in two places. One of the options is use compiled assemblies instead of .cs files and use Assembly.Load() or smthg similar to load them when needed. What other options do you see?

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• jQuery validation plugin doesn't work for me

  - by Idsa

  I have the following code to enable validation work: $(document).ready(function() { $("#eventForm").validate({ rules: { startDate: "required", startTime: "required", endDate: { required: function (element) { var endTimeValue = $('#endTime').val(); return (endTimeValue != null && endTimeValue != ''); } }, endTime: { required: function (element) { var endDateValue = $('#endDate').val(); return (endDateValue != null && endDateValue != ''); } } }, messages: { startDate: "Please enter event local start date", startTime: "Please enter event local start time" }, errorPlacement: function (error, element) { error.appendTo(element.parent().next()); }, submitHandler: function (form) { var options = { dataType: 'json', success: eventCreationSuccess, error: eventCreationError }; alert('submit'); //$(form).ajaxSubmit(options); } }); }); But validation plugin doesn't catch submit - default submit is executed. jQuery and validation plugin scripts are imported.

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• Invite friends from facebook on my application using facebook api

  - by Seema

  Hello all, I create a application which allow user integration through facebook(connect with facebook).when user sign-in in application , i want to show all facebook friends of sign-in user for invite them to join my application. In current i am using multi friend selector for invite friends. <fb:serverfbml width="615"> <script type="text/fbml"> <fb:request-form action="action url" method="POST" invite="true" type="invite" content=" my message"> <fb:multi-friend-selector showborder="true" bypass="cancel" cols=3 email_invite="false" import_external_friends="false" actiontext="Invite your friend from facebook"/> </fb:request-form> </script> </fb:serverfbml> I want to customize mult friend selector 1 Can change css and show all friend in a single column? 2 can i show disable the friends whose are already connect with my application? please give your suggestion or if any other option for this. Thanks

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• How can I hide the taxonomy field for authenticated users but show it for other users in Drupal 6?

  - by Jaymie

  I have a Drupal (v6.17) Content Type which includes a Taxonomy field. I want to hide this from ordinary Authenticated Users, but want it available to my Site Contributor role users, so they can review and then assign tags to user-created nodes. I've tried overriding the Node Add/Edit form in Panels 3 by creating a panel variant especially for Authenticated Users, which would exclude the Taxonomy field. However, the Taxonomy field is bundled in with the "General Form" controls - without showing this, I don't get the Title and Body fields. Is there a way I can either include the Title and Body fields without Taxonomy, OR hide just the Taxonomy field when the authenticated user role creates a node. I realise there's a CCK field which might be able to help me out here, but how do I tie that to the Taxonomy module? Any help gratefully received.

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• user model password field default password field in django

  - by imran-glt

  Hi, I've created a custom user model in my application. This user model is working fine, but there are a couple of problems I have with it. 1) The change password link in the my register.html page doesn't work? 2) The default password box on the add/edit page for a user is a little unfriendly. Ideally, what I'd like is the two password fields from the change password form on the add/edit user form in the admin, which will automatically turn convert the entered password into a valid encrypted password in Django. This would make the admin system MUCH friendlier and much more suited to my needs, as a fair number of user accounts will be created and maintained manually in this app, and the person responsible for doing so will likely be scared off at the sight of that admin field, or just type a clear text password and wonder why it doesn't work. Is this possible / How do I do this?

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• Loading an OverlayView from XIB -vs- programmatically for use with UIImagePickerController

  - by PLG

  I am currently making a camera app for iPhone and I have a strange phenomenon that I can't figure out. I would appreciate some help understanding. When recreating an overlay view for passing to UIImagePickerController, I have been successfully been able to create the view programmatically. What I haven't been able to do is create the view with/without controller in IB, load it and pass it to the overlay pointer successfully. If I do it via IB, the view is not opaque and obscures the view of the camera completely. I can not figure out why. I was thinking that the normal view pointer might be assigned when loading from XIB and therefore overwrite the camera's view, but I have an example programmatically where view and overlayView are set equal in the controller class. Perhaps the load order is overwriting a pointer? Help would be appreciated... kind regards.

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• AssociationTypeMismatch with Expected Type on Nested Model Forms

  - by Craig Walker

  I'm getting this exception when doing a nested model form: ActiveRecord::AssociationTypeMismatch in RecipesController#update Ingredient(#35624480) expected, got Ingredient(#34767560) The models involved are Recipe and Ingredient. Recipe has_many and accepts_nested_attributes_for :ingredients, which belongs_to :recipe. I get this exception when attempting to _destroy (=1) one of the preexisting Ingredients on a nested Ingredient form for the Recipe Edit/Update. This makes very little sense, mostly because the association types are as expected (by the exception's own admission). What makes even less sense is that it works just fine in a functional test. Any ideas what might be causing this, or what I should be looking for?

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• Cannot loop through Excel 2003 files in SSIS 2008

  - by Techspirit

  Hi, I am trying to execute a SSIS 2008 package on a 64-bit OS and import Excel 2003 files to SQL Server 2008. I have created an OLEDB Connection to the Excel file with a Connection String that retrieves the Excel file from a variable, inside the ForEach Loop Container. The Run64BitRunTime is set to false. I am not able to edit the SQL Command on the OLEDB Source in the Data Flow task. It returns an error : Error 2 Validation error. Load List Staged Table: Load List Staged Table: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "List OLEDB to Excel" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed. 0 0 Appreciate any help.

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• Google Site Data fetching

  - by inTagger

  Hail! I want to fetch image from NOT PUBLIC Google Site's page. I'm using WebClient for this purposes. var uri = new Uri("http://sites.google.com/a/MYDOMAIN.COM/SITENAME/" + "_/rsrc/1234567890/MYIMAGE.jpg"); string fileName = "d:\\!temp\\MYIMAGE.jpg"; if (File.Exists(fileName)) File.Delete(fileName); using (var webClient = new WebClient()) { var networkCredential = new NetworkCredential("USERNAME", "PASSWORD"); var credentialCache = new CredentialCache { {new Uri("sites.google.com"), "Basic", networkCredential}, {new Uri("www.google.com"), "Basic", networkCredential} }; webClient.Credentials = credentialCache; webClient.DownloadFile(uri, fileName); } It doesn't download image, but html file with login form is downloaded. If i open this link in browser it shows me login form then i enter username and password and then i can see the image. How i must use my credentials to download file with WebClient or HttpWebRequest?

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• Patterns to implement this grammar into C# code

  - by MexicanHacker

  Hey guys, I'm creating this little BNF grammar and I wanted to <template>::= <types><editors> <types>::= <type>+ <type>::= <property>+ <property>::= <name><type> <editors>::= <editor>+ <editor>::= <name><type>(<textfield>|<form>|<list>|<pulldown>)+ <textfield>::= <label><property>[<editable>] <form>::= <label><property><editor> <list>::= <label><property><item-editor> <pulldown>::= <label><property><option>+ <option>::= <value> One possible solution we have in mind is to create POCO's that have annotations of the XMLSerialization namespace, like this, for example: [XMLRoot("template")] public class Template{ [XMLElement("types")] public Types types{ } } However I want to explore more solutions, what do you guys think?

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• Ajax data two-way data binding strategies?

  - by morgancodes

  I'd like to 1) Draw create form fields and populate them with data from javascript objects 2) Update those backing objects whenever the value of the form field changes Number 1 is easy. I have a few js template systems I've been using that work quite nicely. Number 2 may require a bit of thought. A quick google search on "ajax data binding" turned up a few systems which seem basically one-way. They're designed to update a UI based on backing js objects, but don't seem to address the question of how to update those backing objects when changes are made to the UI. Can anyone recommend any libraries which will do this for me? It's something I can write myself without too much trouble, but if this question has already been thought through, I'd rather not duplicate the work.

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• CodeIgniter - Post multiple arrays to controller

  - by Bobe

  I have a dynamically generated form that allows users to enter new data and edit existing data. When the form is submitted, it collates the input values and groups them according to whether they are new or not, the former being denoted by class="new-entry". So the function generates two arrays: updateData and insertData. Both arrays are of similar formats: [ 0: { 'id' = 1, 'value' = foo }, 1: { 'id' = 1, 'value' = 'bar' }, etc... ] I am combining them into a new array object to send via ajax to the controller: var postData = { 'update_data': updateData, 'insert_data': insertData }; Then in the ajax call: $.post(url, postData, function() { // some code }); However, in the controller, doing print_r($this->input->post()) or print_r($_POST) as a test only returns Array(). Even $this->input->post('update_data') returns nothing. How can I retrieve these arrays in the controller?

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• How to access Map in JSF

  - by Muneeswaran Balasubramanian

  Hi to all, I have try to access the map in jsf using C:foreach.But i can't access that in jsf by using"#" symbol.But i can access it using "$" symbol.But i need to access to displayed using jsf component h:outputtext.My sample code is h:form binding="#{MapInJsf.initForm}"> <c:forEach items="#{MapInJsf.nameMap}" var="nameMap"> <%--<li>${nameMap.key}</li>--%> I cann access it <%--<h:outputText value="#{nameMap}"/>--%> <h:outputText value="Name2 : #{nameMap.key}"/> <h:outputText value="Last Name1 : #{nameMap.value}"/> </c:forEach> </h:form> what i do wrong and how can i access that?My Ref link is Dynamic value binding of JSF component Please help me.

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• Is it good to use .settings for storing controls text data?

  - by Zenya

  In my WinForms applications I often put the controls text data (form title, labels texts, button captions, etc.) into a .settings (feature automatically generated by Visual Studio - based on the ApplicationSettingsBase class). In particular, Add a form or a control. In Solution Explorer add a new string item into the application scope of the settings file. Bind the control text property with the corresponding item of the settings file (through the property binding). Good point of this is that all my text data is collected in one place and easy to check and edit. Also it is convenient when I want to use the same text for several controls. However, I haven't heard that somebody uses the .settings such way. In tutorials for creating multilingual applications, for example, it is recommended to enter texts directly into the control property. So, is it good practice to use .settings for storing controls text data? Brief conclusion from the answers: Storing controls text data in the .settings is not common practice.

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• a variable in HTML

  - by PurplePilot

  in the form action i have the following line\ <form action="{URL}" method="post" target="_self" id="xxx" name="xxx"> when rendered in the browser it becomes action="/abc/17224_pb/HTTP/index.php" this is just HTML. I cannot see anywhere the {URL} has been defined and anyway you cannot have variables in HTML (can you?) i thought it might be jquery but it would need to be in a script ?? Where does it come from? How is it defined? This code is not really in a framework but we do have some Zend framework code around.

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• SoundPool repeating issue for Samsung Galaxy S3

  - by Alaa Eldin

  I'm trying to play a background sound for my application, I use SoundPool class, my problem is that, sound plays well only when I set the loop parameter with zero value, but it doesn't work for any other value. My code for initialization is: soundpool = new SoundPool(4, AudioManager.STREAM_MUSIC, 0); soundsMap = new HashMap<Integer, Integer>(); soundsMap.put(1, soundpool.load(this, R.raw.soundfile_1, 1)); soundsMap.put(2, soundpool.load(this, R.raw.soundfile_2, 1)); my code for playing is soundpool.play(1, 0.9f, 0.9f, 1, -1, 1f); as I mentioned sound works when I put (0) instead of (-1) for the loop value, anyone has any idea why (-1) or any value other than (0) doesn't work (there is no output sound) ?

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