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• Cannot add SourceSafe Database as Visual Studio 2010 source control.

  - by CletusLoomis

  My issue is that I cannot add SourceSafe Database for source control within Visual Studio 2010. Our team was initially using VSS for source control in Visual Studio 2010. During an evaluation of TFS, I switched my source control to TFS. It will be a few weeks before a decision is made on TFS, so I needed to switch my source control back to VSS. However I'm now unable to add a SourceSafe Database in Visual Studio. Steps to Reproduce in Visual Studio 2010: 1) Access the 'Open SourceSafe Database' form via Tools-Options-Source Control-Plug-in Settings--Advanced or via File-Source Control 2) The list of available database is blank so I choose 'Browse'. 3) I browse to the srcsafe.ini file for my VSS database and select it. 4) I'm promted to confirm the Database Name - Click OK. 5) The database does not appear in the 'Open SourceSafe' Database form. The list of available databases is still blank. Note that I can add the database fine outside of Visual Studio using VSS directly. However the databases I add via VSS do not appear in the Visual Studio forms. I'm suspicious that this is related to "down-grading" from TFS to VSS which may not have been heavily tested at MS. Any assistance is appreciated.

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• TinyMCE + jQuery + custom plugin = tinymce is undefined?

  - by user368691

  The problem occurs when I try to create small plugin to allow me toggle on and off WYSIWYG on all textareas in the website. //$('form.default textarea').each(function(){ // console.log( $('<a href="#">Enable WYSIWYG editor</a>').insertAfter('form.default textarea').prev('textarea.wysiwyg').tinymce().hide() ); //}); The full (a bit simplified) code looks like this: $('textarea.wysiwyg').tinymce({ skin : 'cirkuit', theme : 'advanced', plugins : 'pagebreak,style,layer,advlink,inlinepopups,contextmenu,paste,directionality,noneditable,nonbreaking,xhtmlxtras,template', // Theme options theme_advanced_buttons1 : 'formatselect,fontsizeselect,forecolor,|,bold,italic,strikethrough,|,bullist,numlist,|,justifyleft,justifycenter,justifyright,|,link,unlink,|,image,|,code,paste,pastetext,pasteword,removeformat,|,backcolor,|,underline,justifyfull,sup,|,outdent,indent,|,hr,charmap,|,undo,redo', theme_advanced_buttons2 : '', theme_advanced_buttons3 : '', theme_advanced_toolbar_location : 'top', theme_advanced_toolbar_align : 'left', theme_advanced_statusbar_location: 'bottom', theme_advanced_resizing : true, theme_advanced_resize_horizontal : false, height : 500, theme_advanced_resizing_min_height : 500, document_base_url : 'http://static.<?=$settings['system_host']?>/' }); $('textarea.wysiwyg').each(function() { $(this).tinymce().hide(); }); What is the error? FireBug says that tinymce() in undefined; this message occurs in each() loop. Thus, tinymce() is actually initialized. I am really lost towards, what could be causing this.

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• Changing values of (multiple) dropdown lists from one dropdown list in MVC

  - by Mario

  I have an MVC page, with some controls inside a form. The part I need help with: I have a bunch of dropdowns in a list. All dynamically named (drop{0}, where {0} is the id (really, its just a counter: 1,2,3,etc)). At the top of the list, I want to have another dropdown that will update ALL the dropdowns when it is changed. I've done similar things with checkboxes (check one and all are checked, etc) so I assume this can be done, hopefully just as simple. I'd prefer it to be on the client side, so once the form is submitted, the new values will be added/updated to the database. Edit: The values of ALL the dropdowns are static. They are all a list of 1-50, representing the number of cards I need to produce for a given record. This is how I did the checkbox: $("#chkSelectAll").click(function() { $(".checkbox").attr('checked', this.checked); }); Any thoughts on where to begin? Thanks!

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• Detect Autocomplete

  - by Bryan Marble

  Hello, I have some forms that have inlined labels. I have some javascript (jQuery) that detects when focus has changed or when a user is entering text that changes the class so that the inlined label disappears and isn't blocking the user's view of their entered text. The problem I'm having occurs when the browser autocompletes the form. None of the conditions below are triggered so I can't clear out the inlined label. How can I detect the fact that text has been entered via autocomplete so that I can clear the labels? The js I'm using (from http://www.zurb.com/playground/inline-form-labels): $( document ).ready( function() { $( "label.inlined + .input-text" ).each( function( type ) { $( this ).focus( function() { $( this ).prev( "label.inlined" ).addClass( "focus" ); } ); $( this ).keypress( function() { $( this ).prev( "label.inlined" ).addClass( "has-text" ) .removeClass( "focus" ); } ); $( this ).blur( function() { if( $( this ).val() == "" ) { $( this ).prev( "label.inlined" ).removeClass( "has-text" ) .removeClass( "focus" ); } } ); } ); } ); Thanks! Bryan

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• File Upload with HttpWebRequest doesn't post the file

  - by Sri Kumar

  Hello All, Here is my code to post the file. I use asp fileupload control to get the file stream. HttpWebRequest requestToSender = (HttpWebRequest)WebRequest.Create("http://localhost:2518/Web/CrossPage.aspx"); requestToSender.Method = "POST"; requestToSender.ContentType = "multipart/form-data"; requestToSender.KeepAlive = true; requestToSender.Credentials = System.Net.CredentialCache.DefaultCredentials; requestToSender.ContentLength = BtnUpload.PostedFile.ContentLength; BinaryReader binaryReader = new BinaryReader(BtnUpload.PostedFile.InputStream); byte[] binData = binaryReader.ReadBytes(BtnUpload.PostedFile.ContentLength); Stream requestStream = requestToSender.GetRequestStream(); requestStream.Write(binData, 0, binData.Length); requestStream.Close(); HttpWebResponse responseFromSender = (HttpWebResponse)requestToSender.GetResponse(); string fromSender = string.Empty; using (StreamReader responseReader = new StreamReader(responseFromSender.GetResponseStream())) { fromSender = responseReader.ReadToEnd(); } XMLString.Text = fromSender; In the page load of CrossPage.aspx i have the following code NameValueCollection postPageCollection = Request.Form; foreach (string name in postPageCollection.AllKeys) { Response.Write(name + " " + postPageCollection[name]); } HttpFileCollection postCollection = Request.Files; foreach (string name in postCollection.AllKeys) { HttpPostedFile aFile = postCollection[name]; aFile.SaveAs(Server.MapPath(".") + "/" + Path.GetFileName(aFile.FileName)); } string strxml = "sample"; Response.Clear(); Response.Write(strxml); I don't get the file in Request.Files. The byte array is created. What was wrong with my HttpWebRequest?

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• NSURLErrorBadURL error

  - by Victor jiang

  My iphone app called Google Local Search(non javascript version) to behave some search business. Below is my code to form a url: NSString *url = [NSString stringWithFormat:@"http://ajax.googleapis.com/ajax/services/search/local?v=1.0&q=%@", keyword]; NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; [request setURL:[NSURL URLWithString:url]]; [request setHTTPMethod:@"GET"]; //get response NSHTTPURLResponse* urlResponse = nil; NSError *error = [[[NSError alloc] init] autorelease]; NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error]; NSString *result = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]; When the keyword refers to english characters, it works fine, but when refers to chinese characters(encoded in UTF8, such as '???' whose UTF8 code is 'e5a4a9 e5ae89 e997a8'), it will report NSURLErrorBadURL error(-1000, Returned when a URL is sufficiently malformed that a URL request cannot be initiated). Why? Then I carry out further investigation, I use Safari and type in the url below: http://ajax.googleapis.com/ajax/services/search/local?v=1.0&q=??? It also works, and the output I got from Macsniffer is: /ajax/services/search/local?v=1.0&q=%E5%A4%A9%E5%AE%89%E9%97%A8 So I write a testing url directly in my app NSString *url = [NSString stringWithFormat:@"http://ajax.googleapis.com/ajax/services/search/local?v=1.0&q=%E5%A4%A9%E5%AE%89%E9%97%A8"]; And what I got from the Macsniffer is some other thing: /ajax/services/search/local?v=1.0&q=1.687891E-28750X1.417C0001416CP-102640X1.4CC2D04648FBP-9999-1.989891E+0050X1.20DC00184CC67P-953E8E99A8 It seems my keyword "%E5%A4%A9%E5%AE%89%E9%97%A8" was translated into something else. So how can I form a valid url? I do need help!

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• Pseudocode help

  - by vatsag

  Hello All I've been banging my head over few hours for realising this particular logic My task is to have a masterlist ListM elements of which shall be list(again) in the form of ListA(type A) and ListB(type B) and ListC(type C)(some generic type). Also the lists A and ListB can contain elements of type C(some generic type). Coming to the preconditions 1. ListA can contain only 50 elements of type 'A', rest of the elements can be of generic type C 2. ListB can contain only 50 elements of type 'B', rest of the elements can be of generic type C 3. Also the lists(ListA or ListB) can take at max of 100 elements. 4. ListC can contain elements of generic type C and can take max of 100 elements For ex: Now, If i have 200 elements of type A and 200 elements of type B and 600 elements of type C then i should be able to get 4 Lists(50 elements in each list) of type...ListA (because each ListA can contain at max of 50 elements of type A only, rem 50 is typeC) 4 Lists(50 elements in each list) of type...ListB (because each ListA can contain at max of 50 elements of type B only, rem 50 is typeC) 2 Lists(50 elements in each list) of type...ListC i shall be glad to explain it again if my explanation is quite confusing. Can anyone suggest a better way for implementing such a requirement in the form of a pseudocode ? Thanks in advance VATSAG

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• MVC/HTML - input submit won't trigger when HTML is in a text area

  - by cw

  Any idea why the below code doesn't trigger if I were to put some HTML inside the textarea? It works fine it I don't have HTML in it, but I'm not sure why it doesn't work with it. Here is the code. <form action="/Home/AddPost" method="post"> <table> <tr> <td>Post Title:</td> <td><input id="Title" type="text" name="title" /></td> </tr> <tr> <td>Post Description:</td> <td><textarea id="Description" rows="10" cols="60" name="description"></textarea></td> </tr> </table> <input type="submit" value="Save" /> </form>

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• PayPal IPN validation

  - by denis_n

  Following is from PayPal Order Management Integration Guide: Processing the PayPal Response to Your Postback PayPal responds to your postbacks with a single word in the body of the response: VERIFIED or INVALID. When you receive a VERIFIED postback response, perform the following checks on data in the IPN: Check that the payment_status is Completed. If the payment_status is Completed, check the txn_id against the previous PayPal transaction that you processed to ensure it is not a duplicate. Check that the receiver_email is an email address registered in your PayPal account. Check that the price, carried in mc_gross, and the currency, carried in mc_currency, are correct for the item, carried in item_name or item_number. After you complete the above checks, notification validation is complete. You can update your database with the information provided, and you can initiate other appropriate automated back-end processing. <form action="https://www.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_cart" /> <input type="hidden" name="upload" value="1" /> <input type="hidden" name="business" value="GXLC9H9VFPLQE"> ..... <input type="submit" name="Submit" value="Submit" /> </form> In step 3 I should check receiver_email, but I don't want to. I don't want to keep my paypal account email in my application. My question is: can I check business variable instead?

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• JSF: How to get the selected item from selectOneMenu if its rendering is dynamic?

  - by Dzmitry Zhaleznichenka

  At my view I have two menus that I want to make dependent, namely, if first menu holds values "render second menu" and "don't render second menu", I want second menu to be rendered only if user selects "render second menu" option in the first menu. After second menu renders at the same page as the first one, user has to select current item from it, fill another fields and submit the form to store values in database. Both the lists of options are static, they are obtained from the database once and stay the same. My problem is I always get null as a value of the selected item from second menu. How to get a proper value? The sample code of view that holds problematic elements is: <h:selectOneMenu id="renderSecond" value="#{Bean.renderSecondValue}" valueChangeListener="#{Bean.updateDependentMenus}" immediate="true" onchange="this.form.submit();" > <f:selectItems value="#{Bean.typesOfRendering}" /> </h:selectOneMenu><br /> <h:selectOneMenu id="iWillReturnYouZeroAnyway" value="#{Bean.currentItem}" rendered="#{Bean.rendered}" > <f:selectItems value="#{Bean.items}" /> </h:selectOneMenu><br /> <h:commandButton action="#{Bean.store}" value="#Store" /> However, if I remove "rendered" attribute from the second menu, everything works properly, except for displaying the menu for all the time that I try to prevent, so I suggest the problem is in behavior of dynamic rendering. The initial value of isRendered is false because the default item in first menu is "don't render second menu". When I change value in first menu and update isRendered with valueChangeListener, the second menu displays but it doesn't initialize currentItem while submitting. Some code from my backing bean is below: public void updateDependentMenus(ValueChangeEvent value) { String newValue = (String) value.getNewValue(); if ("render second menu" == newValue){ isRendered = true; } else { isRendered = false; } } public String store(){ System.out.println(currentItem); return "stored"; }

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• c# asp.net How to return a usercontrol from a handeler ashx?

  - by Justin808

  I want to return the HTML output of the control from a handler. My code looks like this: <%@ WebHandler Language="C#" Class="PopupCalendar" % using System; using System.IO; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public class PopupCalendar : IHttpHandler { public void ProcessRequest (HttpContext context) { context.Response.ContentType = "text/plain"; System.Web.UI.Page page = new System.Web.UI.Page(); UserControl ctrl = (UserControl)page.LoadControl("~/Controls/CalendarMonthView.ascx"); page.Form.Controls.Add(ctrl); StringWriter stringWriter = new StringWriter(); HtmlTextWriter tw = new HtmlTextWriter(stringWriter); ctrl.RenderControl(tw); context.Response.Write(stringWriter.ToString()); } public bool IsReusable { get { return false; } } } I'm getting the error: Server Error in '/CMS' Application. Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: Line 14: System.Web.UI.Page page = new System.Web.UI.Page(); Line 15: UserControl ctrl = (UserControl)page.LoadControl("~/Controls/CalendarMonthView.ascx"); Line 16: page.Form.Controls.Add(ctrl); Line 17: Line 18: StringWriter stringWriter = new StringWriter(); How can I return the output of a Usercontrol via a handler?

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• Pass WPF UserControl reference to another UserControl

  - by Rob Bell

  I've created two UserControls, a ValidationManager and a ValidationOutput. On a given form there is one ValidationManager and several ValidationOutput controls, one for each control that is validated. The ValidationManager is given a list of validation errors when the form is submitted, I want each ValidationOutput control to look at this list and see if there are any errors relevant to them. The code looks a bit like this: <r:ValidationManager x:Name="myValidationManager" /> ... <TextBox Name="SomeField" /> <r:ValidationOutput FieldName="SomeField" /> I need to pass a reference to the ValidationManager to each of the ValidationOutput controls. I've added a ValidationManager property to the ValidationOutput UserControl but don't know how to pass the reference to the control. I've tried the following but am just clutching at straws: <r:ValidationOutput ValidationManager="myValidationManager" /> ...and... <r:ValidationOutput ValidationManager="{Binding myValidationManager}" /> The first results in an error "Property 'ValidationManager' was not found or is not serializable for type 'ValidationOutput'" and the second "A 'Binding' cannot be set on the 'ValidationManager' property of type 'ValidationControl'. A 'Binding' can only be set on a DependencyProperty of a DependencyObject."

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• How do I add a confirmation popup on a button (GET POST action in MVC)?

  - by user54197

  I have a get/post/JSON function on an aspx page. This page adds data entered in a textbox to a table populated by javascript. When the user select the submit button. If the textbox is not empty, have a popup button telling the user the data in the textbox is not saved in the table. How do I have a confirm "ok/cancel" popup display on the post action in the Controller? I made a quick summary of what my code looks like. ... <% using (Html.BeginForm("AddName", "Name", FormMethod.Post, new { id = "AddNameForm" })) { %> ... <table id="displayNameTable" width= "100%"> <tr> <th colspan="3">Names Already Added</th> </tr> <tr> <td style="font-size:smaller;" class="name"></td> </tr> </table> ... <input name="Name" id="txtInjuryName" type="text" value="<%=test.Name %>" /> ... <input type="submit" name="add" value="Add"/> <% } %> <form id="form1" runat="server"> string confirmNext = ""; if (test.Name == "") { confirmNext = "return confirm('It seems you have a name not added.\n\nAre Continue?')"; }%> <input type="submit" name="getNext" value="Next" onclick="<%=confirmNext%>" /> </form>

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• HTTP POST to Imageshack

  - by Brandon Schlenker

  I am currently uploading images to my server via HTTP POST. Everything works fine using the code below. NSString *UDID = md5([UIDevice currentDevice].uniqueIdentifier); NSString *filename = [NSString stringWithFormat:@"%@-%@", UDID, [NSDate date]]; NSString *urlString = @"http://taptation.com/stationary_data/index.php"; request= [[[NSMutableURLRequest alloc] init] autorelease]; [request setURL:[NSURL URLWithString:urlString]]; [request setHTTPMethod:@"POST"]; NSString *boundary = @"---------------------------14737809831466499882746641449"; NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary]; [request addValue:contentType forHTTPHeaderField: @"Content-Type"]; NSMutableData *postbody = [NSMutableData data]; [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [postbody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%@.jpg\"\r\n", filename] dataUsingEncoding:NSUTF8StringEncoding]]; [postbody appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [postbody appendData:[NSData dataWithData:imageData]]; [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:postbody]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(returnString); However, when I try to convert this to work with Image Shacks XML API, it doesn't return anything. The directions from ImageShack are below. Send the following variables via POST to imageshack. us /index.php fileupload; (the image) xml = "yes"; (specifies the return of XML) cookie; (registration code, optional) Does anyone know where I should go from here?

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• Add Image to Base64 Encoded ImageStream in Resources (resx)

  - by NickAldwin

  I'm working on an older project, updating it. Part of the program has a toolstrip with many buttons on it, each with an image. I found that the images are stored in a Base64 encoded imagestream in the resx for the form and accessed as such: System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1)); ... this.imageList1 = new System.Windows.Forms.ImageList(this.components); ... this.toolStrip1.ImageList = this.imageList1; ... this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream"))); ... this.toolStripButton1.ImageIndex = 0; //There are 41 images, so this can be between 0 and 40 I need to add another button with a new image. How can I add an image to this stream? I cannot use the designer, as it crashes as soon as I load the form (I believe because it uses a custom component with unsafe code). I could always just add a new image resource separate from the stream, but that would make that one button different and thus it would create problems with consistency, causing upkeep problems later. So I'm wondering if there is any way for me to edit the imagestream. I can access the raw base64 string, but I have no idea where to go from here.

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• Google's 'go' and scope/functions

  - by danwoods

  In one of the example servers given at golang.org: package main import ( "flag" "http" "io" "log" "template" ) var addr = flag.String("addr", ":1718", "http service address") // Q=17, R=18 var fmap = template.FormatterMap{ "html": template.HTMLFormatter, "url+html": UrlHtmlFormatter, } var templ = template.MustParse(templateStr, fmap) func main() { flag.Parse() http.Handle("/", http.HandlerFunc(QR)) err := http.ListenAndServe(*addr, nil) if err != nil { log.Exit("ListenAndServe:", err) } } func QR(c *http.Conn, req *http.Request) { templ.Execute(req.FormValue("s"), c) } func UrlHtmlFormatter(w io.Writer, v interface{}, fmt string) { template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) } const templateStr = ` <html> <head> <title>QR Link Generator</title> </head> <body> {.section @} <img src="http://chart.apis.google.com/chart?chs=300x300&cht=qr&choe=UTF- 8&chl={@|url+html}" /> <br> {@|html} <br> <br> {.end} <form action="/" name=f method="GET"><input maxLength=1024 size=70 name=s value="" title="Text to QR Encode"><input type=submit value="Show QR" name=qr> </form> </body> </html> ` Why is template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) contained within UrlHtmlFormatter? Why can't it be directly linked to "url+html"?

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• Log in using Java where server's authentication could be sso or web applcation container's basic

  - by Ed

  Hi, I have a situation where ideally I want to be able to log-in to a secure area using a Java application. I would like to make an HTTP request and check the response to see if I need to do some kind of authenication before I can actually get the response expected, instead of effectively some login page. The complication is that the server that responds will not always be the same - the user of the Java app specifies the URL - and the server may be using some kind of single sign on authentication or the web container's. I don't know the field names for the username and password fields or the action of the form, is there a simple way to obtain this kind of information from the URL? I see the URLConnection object has methods getPermission() which has a method getActions() but are not suitable, anything that might be? I guess example things I am looking to determine: Does the response require authentication? If so; what type / which servlet? e.g. j_security_check, josso single sign on, ... And then some way of authenticating the client And finally managing the state of the authenticated user for other requests Do I need to know the attributes of the login form before attemping to login? And then, is the onoly way of verifying permission to the requested resource to manually manage the cookies? Thanks in advance.

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• auto Focus (Hit Enter) Javascript function is working good in IE7 but not working in IE8

  - by James123

  Hi, I used a javascript FocusChange() in my aspx page. I have couple of controls and I need Hit enter key need to move next control based on tab index. It is working good in IE7 but not working in IE8... Please help me on this.. Thanks for your help in advance. The java script is given below. function FocusChange() { if (window.event.keyCode == 13) { var formLength = document.form1.length; // Get number of elements in the form var src = window.event.srcElement; // Gets the field having focus var currentTabIndex = src.getAttribute('tabindex'); // Gets its tabindex // scroll through all form elements and set focus in field having next tabindex for (var i = 0; i < formLength; i++) { if (document.form1.elements[i].getAttribute('tabindex') == currentTabIndex + 1) { for (var j = i; j <= formLength; j++) { if (document.form1.elements[j].disabled == false) { document.form1.elements[j].focus(); event.returnValue = false; event.cancel = true; return; } } } } } }

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• Redirect to new page if cookie doesn't exist or if the value of cookie is 'false'

  - by liquilife

  I have a DOB 'Are you over 18' script which when the form is filled out, validates if they are over 18 or not for a tobacco site I am working on. When this form is filled it stores a cookie 'ageCheck' with a value of either true or false. I'm having some issues with a bit of javascript which is stored on all the pages to determine if they can view the page or if they need to be redirected to the verification page. The javascript is supposed to set a div ID to 'display:block' if passed and if no cookie is found OR the cookie value is false is supposed to redirect them to the age verification page. However, it's just not working. I see the cookies are set correctly. Below is my code.. any help is appreciated. <script> document.body.onload = function() { var ageCheck = getCookie('ageCheck'); if ('true' == ageCheck) { document.getElementById('content').style.display = ''; } else { document.location = '/ageCheck.html'; } } function getCookie(c_name) { if (document.cookie.length > 0) { c_start = document.cookie.indexOf(c_name + "="); if (c_start != -1) { c_start = c_start + c_name.length + 1; c_end = document.cookie.indexOf(";", c_start); if (c_end == -1) c_end = document.cookie.length; return unescape(document.cookie.substring(c_start, c_end)); } } return ""; } </script>

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• Winforms MVP with Castle Windsor - DI for subforms?

  - by Paul Kirby

  I'm building a winforms app utilizing passive-view MVP and Castle Windsor as an IoC container. I'm still a little new to dependency injection and MVP, so I'm looking for some clarity... I have a main form which contains a number of user controls, and also will bring up other dialogs (ex. Login, options, etc) as needed. My first question is...should I use constructor injection to get the presenters for these other views into the main view, or should I go back to a Service Locator-type pattern? (which I've been told is a big nono!) Or something else? Second question...the user controls need to communicate back to the main form when they are "completed" (definition of that state varies based on the control). Is there a standard way of hooking these up? I was thinking perhaps just wiring up events between the main presenter and the child presenters, but I'm not sure if this is proper thinking. I'd appreciate any help, it seems that the combination of MVP and IoC in winforms isn't exactly well-documented.

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• Writing files in App_Data causes tempdata to be null

  - by RAMX

  I have a small asp.net MVC 1 web app that can store files and create directories in the App_Data directory. When the write operation succeeds, I add a message to the tempdata and do a redirectToRoute. The problem is that the tempdata is null when the action is executed. If i write the files in a directory outside of the web applications root directory, the tempdata is not null and everything works correctly. Any ideas why writing in the app_data seems to clear the tempdata ? edit: if DRS.Logic.Repository.Manager.CreateFile(path, hpf, comment) writes in the App_Data, TempData will be null in the action being redirected to. if it is a directory out of the web app root it is fine. No exceptions are being thrown. [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(int id, string path, FormCollection form) { ViewData["path"] = path; ViewData["id"] = id; HttpPostedFileBase hpf; string comment = form["FileComment"]; hpf = Request.Files["File"] as HttpPostedFileBase; if (hpf.ContentLength != 0) { DRS.Logic.Repository.Manager.CreateFile(path, hpf, comment); TempData["notification"] = "file was created"; return RedirectToRoute(new { controller = "File", action ="ViewDetails", id = id, path = path + Path.GetFileName(hpf.FileName) }); } else { TempData["notification"] = "No file were selected."; return View(); } }

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• WMD markdown editor - HTML to Markdown conversion

  - by gg1

  I am using wmd markdown editor on a project and had a question: When I post the form containing the markdown text area, it (as expected) posts html to the server. However, say upon server-side validation something fails and I need to send the user back to edit their entry, is there anyway to refill the textarea with just the markdown and not the html? Since as I have it set up, the server only has access to the post data (which is in the form of html) so I can't seem to think of a way to do this. Any ideas? Preferably a non-javascript based solution. Update: I found an html to markdown converter called markdownify. I guess this might be the best solution for displaying the markdown back to the user...any better alternatives are welcome! Update 2: I found this post on SO and I guess there is an option to send the data to the server as markdown instead of html. Are there any downsides to simply storing the data as markdown in the database? What about displaying it back to the user (outside of an editor)? Maybe it would be best to post both versions (html AND markdown) to the server... SOLVED: I can simply use php markdown to convert the markdown to html serverside.

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• Right way to dispose Image/Bitmap and PictureBox

  - by kornelijepetak

  I am trying to develop a Windows Mobile 6 (in WF/C#) application. There is only one form and on the form there is only a PictureBox object. On it I draw all desired controls or whatever I want. There are two things I am doing. Drawing custom shapes and loading bitmaps from .png files. The next line locks the file when loading (which is an undesired scenario): Bitmap bmp = new Bitmap("file.png"); So I am using another way to load bitmap. public static Bitmap LoadBitmap(string path) { using (Bitmap original = new Bitmap(path)) { return new Bitmap(original); } } This is I guess much slower, but I don't know any better way to load an image, while quickly releasing the file lock. Now, when drawing an image there is method that I use: public void Draw() { Bitmap bmp = new Bitmap(240,320); Graphics g = Graphics.FromImage(bmp); // draw something with Graphics here. g.Clear(Color.Black); g.DrawImage(Images.CloseIcon, 16, 48); g.DrawImage(Images.RefreshIcon, 46, 48); g.FillRectangle(new SolidBrush(Color.Black), 0, 100, 240, 103); pictureBox.Image = bmp; } This however seems to be some kind of a memory leak. And if I keep doing it for too long, the application eventually crashes. Therefor, I have X questions: 1.) What is the better way for loading bitmaps from files without locking the file? 2.) What objects needs to be manually disposed in the Draw() function (and in which order) so there's no memory leak and no ObjectDisposedException throwing? 3.) If pictureBox.Image is set to bmp, like in the last line of the code, would pictureBox.Image.Dispose() dispose only resources related to maintaining the pictureBox.Image or the underlying Bitmap set to it?

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• Why does ICEfaces send dispose-window request on page unload when using view-scoped bean?

  - by woflrevo

  in our application ICEfaces always sends a dispose-window request just before navigating to another JSF Page. as much as i understand this should not happen when having org.icefaces.lazyWindowScope set to true and there is no window-scoped bean involved in current request. but it happens on each link and makes our UI less responsive. but we don't have any window-scoped bean in our application. is that a bug in icefaces that the dispose request is sent when using view-scoped beans? Is it possible to disable? ViewScope is defined in JSF not in ICEfaces, it should work without this dispose request i guess... @ManagedBean(name="viewScopeBean") @ViewScoped public class ViewScopeBean { public void doSomething(){ // } } And here the example jsf: <ice:form> <ice:commandButton value="doSomething" action="#{viewScopeBean.doSomething}"/> <h:link outcome="index" value="Link to same page"/> </ice:form> To reproduce do the following using the code above: open firebug's net tab and activate persist option click doSomething-Button click "link to same page" = dispose-window will be send before navigation Dispose Request Parameters: ice.submit.type=ice.dispose.window ice.window=4guthcbue javax.faces.ViewState=-8138151632882151449%3A-6709064564386098402 Environment: ICEfaces-EE 2.0.0.GA ICEpush-EE 2.0.0.GA Mojarra 2.1.1 JRockit 1.6.0_22 WebLogic Server 10.3.4.0 ICEfaces Configuration: org.icefaces.render.auto: true [default] org.icefaces.autoid: true [default] org.icefaces.aria.enabled: true [default] org.icefaces.blockUIOnSubmit: false [default] org.icefaces.compressDOM: false [default] org.icefaces.compressResources: true [default] org.icefaces.connectionLostRedirectURI: /pages/main.jsf org.icefaces.deltaSubmit: false [default] org.icefaces.lazyPush: true [default] org.icefaces.sessionExpiredRedirectURI: /pages/main.jsf org.icefaces.standardFormSerialization: false [default] org.icefaces.strictSessionTimeout: false [default] org.icefaces.windowScopeExpiration = 1000 [default] org.icefaces.mandatoryResourceConfiguration: null [default] org.icefaces.uniqueResourceURLs: true [default] org.icefaces.lazyWindowScope: true [default] org.icefaces.disableDefaultErrorPopups: false [default]

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• WPF Background Thread Invocation

  - by jeffn825

  Maybe I'm mis-remembering how Winforms works or I'm overcomplicating the hell out of this, but here's my problem. I have a WPF client app application that talks to a server over WCF. The current user may "log out" of the WPF client, which closes all open screens, leaves only the navigation pane, and minimizes the program window. When the user re-maximizes the program window, they are prompted to log in. Simple. But sometimes things happen on background threads - like every 5 minutes the client tries to make a WCF calls that refreshes some cached data. And what if the user is logged out when this 5 minute timer triggers? Well, then the user should be prompted to log back in...and this must of course happen on the UI thread. private static ISecurityContext securityContext; public static ISecurityContext SecurityContext { get { if (securityContext == null) { // Login method shows a window and prompts the user to log in Application.Current.Dispatcher.Invoke((Action)Login); } return securityContext; } } So far so good, right? But what happens when multiple threads hit this spot of code? Well, my first intuition was that since I'm syncrhonizing across the Application.Current.Dispatcher, I should be fine, and whichever thread hit first would be responsible for showing the login form and getting the user logged in... Not the case... Thread 1 will hit the code and call ShowDialog on the login form Thread 2 will also hit the code and will call Login as soon as Thread 1 has called ShowDialog, since calling ShowDialog unblocked Thread 1 (I believe because of the way the WPF message pump works) All I want is a synchronized way of getting the user logged back into the application...what am I missing here? Thanks in advance.

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