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• How to get the path of a file before its uploaded?

  - by user172247

  I have an upload box... < form action="upload_file.php" method="post" enctype="multipart/form-data"><BR> < label for="file">Filename:</label><BR> < input type="file" name="file" id="file" /><BR> < input type="submit" name="submit" value="Submit" /> < /form> Now when I click browse and get the Image I want to upload and click it, it shows the path of the file into the text box that comes with. Now I want to get that path and insert it into a < img > tag so It will show to get a preview before I upload.

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• Solution to combine two submit buttons.. doing two different things from the same input

  - by zac

  I am trying to figure out how to combine two different forms, both require the same input but they do two different things. One form sends a request to the ecommerce platform to get the order status, and another form takes the same order number and returns a tracking code from USP or USPS. I am looking for some guidance on how I could combine these two actions.. one is currently using the POST method and the other GET. Here is an example .. so one is This one runs a validation script to confirm the order number is valid and then returns the order info if it is the second form is sending a get request to an asp file that is generating the proper tracking numbers. Can someone please point me to how I could begin to tackle this?

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• Explicit initialization of struct/class members

  - by Zephon

  struct some_struct{ int a; }; some_struct n = {}; n.a will be 0 after this; I know this braces form of initialization is inherited from C and is supported for compatibility with C programs, but this only compiles with C++, not with the C compiler. I'm using Visual C++ 2005. In C this type of initialization struct some_struct n = {0}; is correct and will zero-initialize all members of a structure. Is the empty pair of braces form of initialization standard? I first saw this form of initialization in a WinAPI tutorial from msdn.

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• Turn off MDI auto-cascading

  - by Serge

  Hello, I am attempting to automatically add some MDI windows: for (int i = 0; i < a.size; i++) { Form child = new Form(); child.MdiParent = this; child.Location = a.Location[i]; child.Size = a.Size[i]; child.Show(); } Now the size works fine, however the location is always cascaded at the top corner instead of the one that I have set. When I just add a new child form and set location it seems to work fine, however when I do many in a loop they all cascade.

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• Appending a Query String to the End of a Function Action URL

  - by John

  Hello, For the code below, I would like to append echo $_SERVER['QUERY_STRING']; to the end of index.php. But when I try to do it, it makes the code return a blank page. So I think I might be doing it wrong. How can I correctly make this appendage? Thanks in advance, John <?php function show_loginform($disabled = false) { echo '<form name="login-form" id="login-form" method="post" action="./index.php"> ... ?>

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• Ruby on Rails updating join table records

  - by Eef

  Hey, I have two models Users and Roles. I have setup a many to many relationship between the two models and I have a joint table called roles_users. I have a form on a page with a list of roles which the user checks a checkbox and it posts to the controller which then updates the roles_users table. At the moment in my update method I am doing this because I am not sure of a better way: role_ids = params[:role_ids] user.roles.clear role_ids.each do |role| user.roles << Role.find(role) end unless role_ids.nil? So I am clearing all the entries out then looping threw all the role ids sent from the form via post, I also noticed that if all the checkboxes are checked and the form posted it keeps adding duplicate records, could anyone give some advice on a more efficent way of doing this?

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• Arrays in javascript, how can i learn manipulating it?

  - by Noor

  I've read alot about the core implementation of arrays in javascript and often i find that experimenting is the best way to learn, Right now i have multiple forms where you can type in different things, i want to be able to pull the value of each one and put it in an array so that i can later on read them in in a dynamically created div.. Can anyone point me in the right direction? There is a way i could get around this and that would be by using just one form, and pulling the text from there seperated by comas (,).. the thing is that i don't have the knowledge to pull the text form the form, search and find the comas, then make a new variable i think is neccessary, and read that in.. i know how to "think" javascript, not how to write it.. how do i learn the easiest/fastest way?

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• Html encoding in MVC input

  - by fearofawhackplanet

  I'm working through NerdDinner and I'm a bit confused about the following section... First they've added a form for creating a new dinner, with a bunch of textboxes delcared like: <%= Html.TextArea("Description") %> They then show two ways of binding form input to the model: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create() { Dinner dinner = new Dinner(); UpdateModel(dinner); ... } or: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(Dinner dinner) { ... } Ok, great, that all looks really easy so far. Then a bit later on they say: It is important to always be paranoid about security when accepting any user input, and this is also true when binding objects to form input. You should be careful to always HTML encode any user-entered values to avoid HTML and JavaScript injection attacks Huh? MVC is managing the data binding for us. Where/how are you supposed to do the HTML encoding?

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• google apps script DateItem get dropdown box

  - by user2117613

  So using Google Apps Scripts with a Form, I'm able to get all the items and iterate through them using the following: var form = FormApp.getActiveForm(); var items = form.getItems(); var item; for(var i = 0; i < items.length; i++) { item = items[i]; if(item.getType() == FormApp.ItemType.DATE) { item = item.asDateItem(); item.dropdown.month; // I need a method like this } Logger.log("ItemTitle: %s ItemType: %s",items[i].getTitle(), items[i].getType()) ; } I can even get the DateItem that I want. My issue is that I cannot get the dropdown boxes from the DateItem. Does anyone know how to get the dropdown boxes from the DateItem? (Like: item.dropdown.month or item.dropdown.day, etc).

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• University System Automation, how the internal system of a university works?

  - by Zia ur Rahman

  Hay dear! Suppose we want to make a software , we want to automate the system of university. Suppose a student apply in the university for a certain course, now the question is where the application form of the student will go and what process will be done on this form and then what is the next stage of this form and why it will go to the next stage? Now I hope you have got my point. I need information from the enrollment of a student to its pass out. Or provide a state transition diagram or Data flow diagram. I will be very thankful.

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• File management

  - by user343934

  I am working on python and biopython right now. I have a file upload form and whatever file is uploaded suppose(abc.fasta) then i want to pass same name in execute (abc.fasta) function parameter and display function parameter (abc.aln). Right now i am changing file name manually, but i want to have it automatically. Workflow goes like this. ----If submit is not true then display only header and form part --- if submit is true then call execute() and get file name from form input --- Then display the save file result in the same page. File name is same as input. My raw code is here -- http://pastebin.com/FPUgZSSe Any suggestions, changes and algorithm is appreciated Thanks

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• ActiveRecord Create (not !) Throwing Exception on Validation

  - by myferalprofessor

  So I'm using ActiveRecord model validations to validate a form in a RESTful application. I have a create action that does: @association = Association.new and the receiving end of the form creates a data hash of attributes from the form parameters to save to the database using: @association = user.associations.create(data) I want to simply render the create action if validation fails. The problem is that the .create (not !) method is throwing an exception in cases where the model validation fails. Example: validates_format_of :url, :with => /(^$)|(^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$)/ix, :message => "Your url doesn't seem valid." in the model produces: ActiveRecord::RecordInvalid Exception: Validation failed: Url Your url doesn't seem valid. I thought .create! is supposed throw an exception whereas .create is not. Am I missing something here? Ruby 1.8.7 patchlevel 173 & rails 2.3.3

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• How do I programmatically nullify a File Attachment in InfoPath Forms

  - by Doctor Zinda

  Howdy all, I'm running into a problem with some InfoPath C# code while trying to remove an attachment from a form. Basically the process is: User opens form User clicks button File attachment is cleared I've tried adding a blank attachment to my schema that never becomes populated, then setting the original field's value equal to that value by the method below. When debugging the form I catch an error: Schema validation found non-data type errors. Any tips here would be appreciated. public void BTN_ClearAttachment_Clicked(object sender, ClickedEventArgs e) { try { _OriginalAttachment.SetValue(_BLANK_ATTACHMENT.Value); } catch (Exception ex) { _ErrorField.SetValue(ex.Message + " : " + ex.StackTrace); } } Thanks, Dr Z Edit - P.S. I should clear up that both _OriginalAttachment & _ErrorField are both XPathNavigators, pointing at different schema elements. I've verified that these XPathNavigators are both pointing at valid schema elements.

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• testing the controller in asp.net mvc

  - by csetzkorn

  Hi, I would like to test the validation of submitted DTO. This is the bare bone of a controller create action: [AcceptVerbs(HttpVerbs.Post)] public RedirectToRouteResult Create(SomeDTO SomeDTO) { SomeObject SomeObject = null; try { SomeObject = this.RepositoryService.getSomeObjectRepository().Create(SomeDTO, this.RepositoryService); } catch (BrokenRulesException ex) { ex.AddModelStateErrors(ModelState, "Model"); } catch (Exception e) { ModelState.AddModelError("Exception", e.Message); } TempData["ViewData"] = ViewData; TempData["SomeDTO "] = SomeDTO; return ModelState.IsValid ? RedirectToAction("SomeObjectDetail", new { Id = SomeObject.Id }) : RedirectToAction("Form"); } The mechanics , although not relevant, is as follows: I have a strongly typed view = form which submits a dto to this action which either returns the form or the details page of the created object. I would like to unit test whether the Model contains certain key/errorMessage combinations given some invalid dto. Did someone do similar stuff? Any pointers would be very much appreciated. Thanks. Best wishes, Christian

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• Trouble adding success flag to onbeforeunload

  - by Dirty Bird Design

  having issues with onbeforeunload. I have a long form broken into segments via a jquery wizard plug in. I need to pop a confirm dialog if you hit back, refresh, close etc on any step but need it to NOT POP the confirm dialog on click of the submit button. had it working, or at least I thought, it doesn't now. <script type="text/javascript"> var okToSubmit = false; window.onbeforeunload = function() { document.getElementById('Register').onclick = function() { okToSubmit = true; }; if(!okToSubmit) return "Using the browsers back button will cause you to lose all form data. Please use the Next and Back buttons on the form"; }; </script> 'Register' is the submit button ID. Please help!

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• Best way to globally set every control's ValidationGroup property in an asp.net?

  - by Steve Flook

  I have a User Control with form items that is re-used considerably throughout a large web application, and up until this point the validation summary upon an invalid form submission is being handled by the .aspx that consumes the User Control. Now I need to set the ValidationGroup property at runtime for each of my form items controls (textboxes, lists, validators, etc). Rather than do it manually by setting each control I'm interested in iterating through all the controls in the User Control, detecting if that control has a ValidationGroup property, and setting it's value that way. Something like this: For Each ctrl As System.Web.UI.Control In Me.Controls ' so now what is the proper way to detect if this control has the ValidationGroup property Next Code sample in vb.net or c# works for me. Many thanks!

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• How to run lengthy tasks from an ASP.NET page?

  - by Jimmy C

  I've got an ASP.NET page with a simple form. The user fills out the form with some details, uploads a document, and some processing of the file then needs to happens on the server side. My question is - what's the best approach to handling the server side processing of the files? The processing involves calling an exe. Should I use seperate threads for this? Ideally I want the user to submit the form without the web page just hanging there while the processing takes place. I've tried this code but my task never runs on the server: Action<object> action = (object obj) => { // Create a .xdu file for this job string xduFile = launcher.CreateSingleJobBatchFile(LanguagePair, SourceFileLocation); // Launch the job launcher.ProcessJob(xduFile); }; Task job = new Task(action, "test"); job.Start(); Any suggestions are appreciated.

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• Problem with pattern matching in ocaml

  - by Antony

  I wrote the function used to decompose a Boolean function, the problem is that the compilation I get this : "Warning 5: this function application is partial, maybe some arguments are missing." How can I solve this problem? I've set wrong the patter matching or I can not run this operation with pattern matching The code is the following: let rec decomposition state_init state prec formula = match formula with And form -> (fun () -> let f1 = List.hd form in let f2 = And(List.tl form )in let new_state = Forms (state_init,f1) in decomposition state_init new_state state f1; decomposition state_init new_state state f2; Hashtbl.add graph new_state (("",false,state :: []) , []) ; let x = Hashtbl.find graph state in let succ = state :: snd x in let (desc,last,ptrs) = fst x in Hashtbl.replace graph state ( ("And-node",last,ptrs) , succ))

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• mvc action name in url

  - by Paul

  UPDATE: My model going into the save method is PartialViewModel, which in the save method, is pushed into the index's ContactViewModel and sent back. This wasn't clear. I am playing around with MVC3, and have a contact controller with a SaveDetails action. The index cshtml has a partial with a form whose action is pointing to this controller. When I submit the form not having completed it fully, thereby firing the validation, the url now contains the SaveDetails action name (http://localhost:7401/Contact/SaveDetails). The form code is: @using (Html.BeginForm("SaveDetails", "Contact")) { ... } The controller action looks like this: public ActionResult SaveDetails(Models.PartialsViewModel pvm) { return View("Index", new ContactViewModel{ PartialsViewModel = pvm } ); } What am I doing wrong?

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• Set scroll to an iframe dynamically in IE

  - by Aneesh

  I have an iframe. I am setting the content of the iframe (different domain - like www.google.com) through a form submission.Currently it's scrolling attribute is set to 'no'. <iframe name="testFrame" id="testFrame" frameborder="1" scrolling="no" width="500" height="200"></iframe> <form name="testForm" id="testForm" action="http://www.google.com" target="testFrame"></form> <button name="testBtn" value="submit" onclick="submitForm();">submit</button> I want to put scroll to this iframe dynamically. $("#testFrame").attr('scrolling','yes'); This is working in Firefox but not in IE. Also tried with: document.getElementById("testFrame").style.overflow="scroll"; No luck...:( Help me please...

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• Data Binding Error retrival

  - by saurabh

  Hello My scenarion is this 1- i have a Form which is dynamically generated with some XML configuration information. 2- i am attaching Data Binding for a textbox in Text_Loaded event a well as Validation Rules and i am attaching Validation.AddErrorHandler for showing message boxs 3- Data Source for the binding is a DataTable. 4- I am having record navigation buttons on the form generated in step 1 (Next,Last,First,Previous) 5- If user edits data with invalid values in record no 1 validation fires and it creats a red border 6-user press Next button to navigate to record no 2 but does not update error field in record no 1 i.e. she leaves record no 1 with some error not in my data source but on the form. 7- She came back to record no 1 , here my problem begins , Record no 1 is updated with old values and does not show error which she made. i know that ValidationRules will not allow wrong input to update my data source which is fine but i need to handle point no 7 , there is no direct way to handle this situation , any help is much appriciated

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• Delphi 7 - Why does Windows 7 change encoding of characters in runtime?

  - by LukLed

  I have a delphi 7 form: and my code: when I run this form in Windows 7, I see: In design time, form had polish letters in first label, but it doesn't have them in runtime. It looks ok on Vista or Windows XP. When I set caption of second label in code, everything works fine and characters are properly encoded. First 5 codes of top label on Windows 7: 65 97 69 101 83 First 5 codes of top label on Windows Vista/XP: 165 185 202 234 140 First 5 codes of bottom label on every system: 165 185 202 234 140 Windows 7 changes encoding, why? My system settings seem to be ok. I have proper language set for non-unicode applications in control panel.

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• Using a backwards relation (i.e FOO_set) for ModelChoiceField in Django

  - by Bwmat

  I have a model called Movie, which has a ManyToManyField called director to a model called Person, and I'm trying to create a form with ModelChoiceField like so: class MovieSearchForm(forms.Form): producer = forms.ModelChoiceField(label='Produced by', queryset=movies.models.Person.producer_set, required=False) but this seems to be failing to compile (I'm getting a ViewDoesNotExist exception for the view that uses the form, but it goes away if I just replace the queryset with all the person objects), I'm guessing because '.producer_set' is being evaluated too 'early'. How can I get this work? here are the relevant parts of the movie/person classes: class Person(models.Model): name = models.CharField(max_length=100) class Movie(models.Model): ... producer = models.ForeignKey(Person, related_name="producers") director = models.ForeignKey(Person, related_name="directors") What I'm trying to do is get ever Person who is used in the producer field of some Movie.

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• django forms from two tables referencial integrity

  - by dana

  i have a class named cv,and a class named university, and each user that completes his cv, should choose a University he studyes at. My problem is: one student can study at one or 2 or three universities, or may be a user that is not student. I need to take this data into a form, and i use ModelForm. The data from the Cv class, and from the University class in the same form, and the user can add one or more universities, or no university. (in the same form) How should i do it? Should i use ModelForm? if i have a foreign key in the CV class, and the user is not a student (so he is at zero universities), i may get an referencial integrity error. thanks a lot

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• Is there any problem when I mix JSF with plain HTML?

  - by RhigoHR

  I have the next code: <li> <h:form rendered="#{!loginController.session}"> <h3>Inicio de Sesi&oacute;n</h3> <h:panelGrid columns="2" cellpadding="7"> <h:outputText value="Usuario: " /> <h:inputText id="loginname" value="#{loginController.loginname}" maxlength="16" /> <h:outputText value="Contrase&ntilde;a: " /> <h:inputSecret id="password" value="#{loginController.password}" maxlength="16"/> <h:outputText value="" /> <h:commandButton value="Iniciar Sesi&oacute;n" action="#{loginController.CheckValidUser}" /> </h:panelGrid> </h:form> </li> But when run that the page doesn't render the form, anybody can tell me why?

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