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  • keep viewdata on RedirectToAction

    - by Thomas Stock
    [AcceptVerbs(HttpVerbs.Post)] public ActionResult CreateUser([Bind(Exclude = "Id")] User user) { ... db.SubmitChanges(); ViewData["info"] = "The account has been created."; return RedirectToAction("Index", "Admin"); } This doesnt keep the "info" text in the viewdata after the redirectToAction. How would I get around this issue in the most elegant way? My current idea is to put the stuff from the Index controlleraction in a [NonAction] and call that method from both the Index action and in the CreateUser action, but I have a feeling there must be a better way. Thanks.

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  • JQuery Dragging Outside Parent

    - by Andy
    I'm using JQuery's draggable(); to make li elements draggable. The only problem is when the element is dragged outside its parent, it doesn't show up. That is, it doesn't leave the confines of its parent div. An example is here: http://imgur.com/N2N1L.png - it's as if the z-index for everything else has greater priority (and the element slides under everything). Here's the code: $('.photoList li').draggable({ distance: 20, snap: theVoteBar, revert: true, containment: 'document' }); And the li elements are placed in DIVs like this: <div class="coda-slider preload" id="coda-slider-1"> <div class="panel"> <div class="panel-wrapper"> <h2 class="title" style="display:none;">Page 1</h2> <ul class="photoList"> <li> <img class="ui-widget-content" src="photos/1.jpg" style="width:100px;height:100px;" /> </li> </ul> </div> </div> I'm positive the problem is it won't leave its parent container, but I'm not sure what to do to get it out. Any direction or help would be appreciated GREATLY!

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  • ajax isUpload (Jquery)

    - by Thomas
    Hi all, I was some time ago busy with ExtJS and ajax. I've have some data in csv format that i return. With ExtJS you can use the option isUpload to popup a file "filename.csv" where you can click save / open etc. Now i'm moving all ExtJS to Jquery and i don't seem to find something which handles this in Jquery, there is no option isUpload in ajax with jquery i guess? Does someone knows how to fix this? Thanks in advance

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  • Php template caching design

    - by Thomas
    Hello to all, I want to include caching in my app design. Caching templates for starters. The design I have used so far is very modular. I have created an ORM implementation for all my tables and each table is represented by the corresponding class. All the requests are handled by one controller which routes them to the appropriate webmethod functions. I am using a template class for handling UI parts. What I have in mind for caching includes the implementation of a separate Cache class for handling caching with the flexibility to either store in files, apc or memcache. Right now I am testing with file caching. Some thoughts Should I include the logic of checking for cached versions in the Template class or in the webmethods which handle the incoming requests and which eventually call the Template class. In the first case, things are pretty simple as I will not have to change anything more than pass the template class an extra argument (whether to load from cache or not). In the second case however, I am thinking of checking for a cached version immediately in the webmethod and if found return it. This will save all the processing done until the logic reaches the template (first case senario). Both senarios however, rely on an accurate mechanism of invalidating caches, which brings as to Invalidating caches As I see it (and you can add your input freely) a template cached file, becomes invalidate if: a. the expiration set, is reached. b. the template file itself is updated (ie by the developer when adding a new line) c. the webmethod that handles the request changes (ie the developer adds/deletes something in the code) d. content coming from the db and ending in the template file is modified I am thinking of storing a json encoded array inside the cached file. The first value will be the expiration timestamp of the cache. The second value will be the modification time of the php file with the code handling the request (to cope with option c above) The third will be the content itself The validation process I am considering, according to the above senarios, is: a. If the expiration of the cached file (stored in the array) is reached, delete the cache file b. if the cached file's mod time is smaller than the template's skeleton file mod time, delete the cached file c. if the mod time of the php file is greated than the one stored in the cache, delete the cached file. d. This is tricky. In the ORM implementation I ahve added event handlers (which fire when adding, updating, deleting objects). I could delete the cache file every time an object thatprovides content to the template, is modified. The problem is how to keep track which cached files correpond to each schema object. Take this example, a user has his shortprofile page and a full profile page (2 templates) These templates can be cached. Now, every time the user modifies his profile, the event handler would need to know which templates or cached files correspond to the User, so that these files can be deleted. I could store them in the db but I am looking for a beter approach

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  • Installing assemblies to GAC with Windows Installer

    - by Andy Xufuris
    I am creating a Windwos Installer project just for the use of installing our third party assemblies into the gac of the users computer. The problem i am running into, is when i make an update to the assemblie and increment it's version number, i get an error saying: "Another version of this product is already installed. Installation of this version cannot continue..." I would have figured that windows installer would update the local machine with the new assemblie. Am i doing something wrong?

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  • iPhone: Leak with UIWebView loading Office documents. Any ideas how to avoid it?

    - by Thomas Tempelmann
    While there are already quite a few posts about leaks around UIWebView, mine is a bit more special, I believe, and thus deserves its own post here. I see a reproducible large leak every time I load a Office document such as a Word or Excel file. For instance, every time I display a 180KB .doc file, I get a 100KB leak. And that happens with both the simulator and an actual device, running OS 3.1.3. The leak is not visible with the Leaks instrument but only by looking at the malloc instances via the ObjectAlloc instrument. Here's a picture from the instruments trace: I've also made a demo project, UIWebView-Leak.zip, so you can verify this yourself. To see the leak, use the ObjectAlloc instrument, switch to the view where you see individual allocation objects, and sort by size so that you see the large ones in a group, just like in my picture above. Then view a Office document a few times and find the Malloc objects that keep staying "Live" even after the actual UIWebView has been freed. Is this a known bug? Or is there any way I can avoid these leaks? I.e, have you successfully shown Office documents on an iPhone withing getting such leaks? Note: I've reported this as a bug to Apple now, too (ID 7950594) I am still waiting for someone (including Apple) to confirm this as a true leak or show why it isn't (i.e. that I do something wrong or make wrong assumptions)

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  • Best Zend Framework architecture for large reporting site?

    - by Andy
    I have a site of about 60 tabular report pages. Want to convert this to Zend. The report has two states: empty report and filled in with data report. Each report has its own set of input boxes and select drop downs to narrow down searches. You click on submit and it retrieves the data. Thats all each page does. Do I create 60 controllers with each one with default index action and getData action? All I have read online do not really describe how to architect a real site.

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  • Why am I getting two section headers on this grouped table?

    - by Andy
    I'm sure this is some easy-to-fix issue that I've missed, but I can't figure it out. I've got a grouped table view with 3 sections. I'm using the following code to generate section headers: -(NSString*)tableView:(UITableView*)tableView titleForHeaderInSection:(NSInteger)section { if (section == 0) { NSString *header = @"Header 1"; return header; } if (section == 1) { NSString *header = @"Header 2"; return header; } else { NSString *header = @"Header 3"; return header; } } When my table is displayed, there are two headers for each section - one with white text on a gray bar that stretches across the screen (like the letter separators in the Contacts app), and one in gray text on the table background (which is the one I want). Both headers have identical text. Where is the first header coming from?

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  • MVC : Checkboxes generated using JavaScript not appearing in FormCollection on postback

    - by Andy Evans
    I took over another project (written by one contractor, modified by another and now it's not working) written using MVC/C# where a view that has a table (see below) is dynamically populated using JSON/Javascript - the first column of which is a checkbox. View (spark view engine) <table id='component_list' name='component_list' cellpadding='0' border='0' cellspacing='0'> <thead> <tr> <th>&nbsp;</th> <th>Component</th> <th>Component Type</th> <th>Evenflo Part #</th> <th>Supplier Part #</th> <th>Supplier</th> <th>Requirement</th> <th>Location</th> <th>Region</th> </tr> </thead> <tbody> </tbody> </table> When the page is rendered, I look at the source for the page and do not see the table data (I wouldn't expect to see this). However, when the form is posted back, controller, the FormCollection is empty. Supposedly this had been working before the last contractor got their hands on it - which is another post all together. My goal right now is having the checkboxes in the FormCollection. Any suggestions would be greatly appreciated. Thanks,

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  • How should I protect against hard link attacks?

    - by Thomas
    I want to append data to a file in /tmp. If the file doesn't exist I want to create it I don't care if someone else owns the file. The data is not secret. I do not want someone to be able to race-condition this into writing somewhere else, or to another file. What is the best way to do this? Here's my thought: fd = open("/tmp/some-benchmark-data.txt", O_APPEND | O_CREAT | O_NOFOLLOW | O_WRONLY, 0644); fstat(fd, &st); if (st.st_nlink != 1) { HARD LINK ATTACK! } What's the right way? Besides not using a world-writable directory.

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  • WPF - List items not visible in Blend when 'DisplayMemberPath' is used

    - by Andy T
    Hi, We're currently working out how to implement MVVM and I've got to the point where I've got the MVVM Light Toolkit set up in blend and can specify dummy data to be supplied if running in Blend. All good. I've created a dummy list of data. The list contains 6 instances of a very simple class called DummyItem which has Age and Name properties. Here's the main code from my 'DummyList' class: public class DummyItem{ public string Name; public int Age; public DummyItem(string name, int age){ this.Name = name; this.Age = age; } } public class DummyList : ArrayList { public DummyList() { this.Add(new DummyItem("Dummy1", 00)); this.Add(new DummyItem("Dummy2", 01)); this.Add(new DummyItem("Dummy3", 02)); this.Add(new DummyItem("Dummy4", 03)); this.Add(new DummyItem("Dummy5", 04)); this.Add(new DummyItem("Dummy6", 05)); } } Here's the operative part of my XAML. The DataContext line does work and points to the correct ViewModel. <Grid x:Name="LayoutRoot"> <ListBox x:Name="ListViewBox" DataContext="{Binding Source={StaticResource Locator}, Path=ListViewModel}" ItemsSource="{Binding TheList}" DisplayMemberPath="Name"> </ListBox> </Grid> The problem is, when I add 'DisplayMemberPath', as I have above, then I can no longer see the list items in Blend. If I remove 'DisplayMemberPath', then I see a list of objects (DummyItem) with their full path. When the app is run, everything works perfectly. It's just that in Blend itself I cannot see the list items when I use 'DisplayMemberPath'. Anyone know why I can't see the items inside Blend itself when I use DisplayMemberPath? Thanks! AT

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  • Lost with hibernate - OneToMany resulting in the one being pulled back many times..

    - by Andy
    I have this DB design: CREATE TABLE report ( ID MEDIUMINT PRIMARY KEY NOT NULL AUTO_INCREMENT, user MEDIUMINT NOT NULL, created TIMESTAMP NOT NULL, state INT NOT NULL, FOREIGN KEY (user) REFERENCES user(ID) ON UPDATE CASCADE ON DELETE CASCADE ); CREATE TABLE reportProperties ( ID MEDIUMINT NOT NULL, k VARCHAR(128) NOT NULL, v TEXT NOT NULL, PRIMARY KEY( ID, k ), FOREIGN KEY (ID) REFERENCES report(ID) ON UPDATE CASCADE ON DELETE CASCADE ); and this Hibernate Markup: @Table(name="report") @Entity(name="ReportEntity") public class ReportEntity extends Report{ @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name="ID") private Integer ID; @Column(name="user") private Integer user; @Column(name="created") private Timestamp created; @Column(name="state") private Integer state = ReportState.RUNNING.getLevel(); @OneToMany(mappedBy="pk.ID", fetch=FetchType.EAGER) @JoinColumns( @JoinColumn(name="ID", referencedColumnName="ID") ) @MapKey(name="pk.key") private Map<String, ReportPropertyEntity> reportProperties = new HashMap<String, ReportPropertyEntity>(); } and @Table(name="reportProperties") @Entity(name="ReportPropertyEntity") public class ReportPropertyEntity extends ReportProperty{ @Embeddable public static class ReportPropertyEntityPk implements Serializable{ /** * long#serialVersionUID */ private static final long serialVersionUID = 2545373078182672152L; @Column(name="ID") protected int ID; @Column(name="k") protected String key; } @EmbeddedId protected ReportPropertyEntityPk pk = new ReportPropertyEntityPk(); @Column(name="v") protected String value; } And i have inserted on Report and 4 Properties for that report. Now when i execute this: this.findByCriteria( Order.asc("created"), Restrictions.eq("user", user.getObject(UserField.ID)) ) ); I get back the report 4 times, instead of just the once with a Map with the 4 properties in. I'm not great at Hibernate to be honest, prefer straight SQL but I must learn, but i can't see what it is that is wrong.....? Any suggestions?

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  • JQuery object expected error when accessing page via url routing.

    - by Andy Evans
    In my global.asax I have url routing setup like below: routes.MapPageRoute("User Logon", "{Vendor}/Logon", "~/Logon.aspx"); In the logon.aspx page, I have a script that "stylizes" the logon button: <link href="jquery/css/flick/jquery-ui-1.8.1.custom.css" rel="stylesheet" type="text/css" /> <link href="images/style.css" rel="stylesheet" type="text/css" /> <script src="jquery/js/jquery-1.4.2.min.js" type="text/javascript"></script> <script src="jquery/js/jquery-ui-1.8.1.custom.min.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function () { $('#<%= ButtonLogon.ClientID %>').button(); }); </script> When I access the page us a url (in debug mode) http://localhost/logon.aspx?v=1 the page loads correctly and the jquery button command loads correctly. But then I access the page using the new url route, I get this error. Microsoft JScript runtime error: Object expected Anyone have an idea why this occurs? Thanks.

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  • Regarding Visual C# MenuItem: Where does the NullReference come from?

    - by Thomas
    Hi All. I have a problem creating MenuItems for a TreeView dynamically: here is the (simplified)code i'm using. public class CTM : TreeNode, IComparable, IComparable<CTM> { public CTM(CTMProvider provider) { this.provider = provider; this.manager = provider.manager; this.IEEEAddress = provider.IEEEAddress; this.endpoint = provider.state._conn.RemoteEndPoint; this.Text = String.Format("CTM: {0} {0}", IEEEAddress, ((System.Net.IPEndPoint)endpoint).ToString()); try { MenuItem meni = System.EventHandler(this.provider.Disconnect)); this.ContextMenu.MenuItems.Add(meni); } catch { Trace.TraceError("Could not create menu item!"); } } } This code always triggers the catch clause with a NullReferenceException. Any Ideas?

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  • class foo; in header file

    - by Thomas
    Hi, Is some one able to explain why header files have something like this? class foo; // This here? class bar { bar(); }; Do you need an include statement when using this? Thanks.

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  • Modelbinding using Interfaces in ASP.NET MVC 2

    - by Thomas
    I have the following View Data: public class ShoppingCartViewData { public IList<IShoppingCartItem> Cart { get; set; } } I populate the viewdata in my controller: viewData.Cart = CurrentSession.CartItems; return View(viewData); And send the data to the view and display it using: <% for (int i = 0; i < Model.Cart.Count; i++ ) { %> <%= Html.TextBoxFor(m => m.Cart[i].Quantity)%> <%= Html.HiddenFor(m => m.Cart[i].Id) %> <% } %> I want to be able to catch the viewdata on the post. When I try: [HttpPost] public ActionResult UpdateCart(ShoppingCartViewData viewData) { ... } When I run this I get a: System.MissingMethodException: Cannot create an instance of an interface. Can anyone shed some light on this. What would I have to do to get this to work? Many Thanks

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  • ANTLR lexing getting confused over '...' and floats

    - by Andy Hull
    I think the ANTLR lexer is treating my attempt at a range expression "1...3" as a float. The expression "x={1..3}" is coming out of the lexer as "x={.3}" when I used the following token definitions: FLOAT : ('0'..'9')+ ('.' '0'..'9'+)? EXPONENT? | ('.' '0'..'9')+ EXPONENT? ; AUTO : '...'; When I change FLOAT to just check for integers, as so: FLOAT : ('0'..'9')+; then the expression "x={1...3}" is tokenized correctly. Can anyone help me to fix this? Thanks!

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  • Duplicate elements when adding XElement to XDocument

    - by Andy
    I'm writing a program in C# that will go through a bunch of config.xml files and update certain elements, or add them if they don't exist. I have the portion down that updates an element if it exists with this code: XDocument xdoc = XDocument.Parse(ReadFile(_file)); XElement element = xdoc.Elements("project").Elements("logRotator") .Elements("daysToKeep").Single(); element.Value = _DoRevert; But I'm running into issues when I want to add an element that doesn't exist. Most of the time part of the tree is in place and when I use my code it adds another identical tree, and that causes the program reading the xml to blow up. here is how I am attempting to do it xdoc.Element("project").Add(new XElement("logRotator", new XElement("daysToKeep", _day))); and that results in a structure like this(The numToKeep tag was already there): <project> <logRotator> <daysToKeep>10</daysToKeep> </logRotator> <logRotator> <numToKeep>13</numToKeep> </logRotator> </project> but this is what I want <project> <logRotator> <daysToKeep>10</daysToKeep> <numToKeep>13</numToKeep> </logRotator> </project>

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  • issue writing to spreadsheet using EPPlus

    - by Andy
    I'm simply trying to edit a spreadsheet that has text already written into to change the text to be blank. However its not working. the method seems to do nothing. my code is: public static void ClearCells(string SpreadsheetFilePath) { var SpreadsheetPath = new FileInfo(SpreadsheetFilePath); var package = new ExcelPackage(SpreadsheetPath); ExcelWorkbook workBook = package.Workbook; if (workBook != null) { if (workBook.Worksheets.Count > 0) { ExcelWorksheet currentWorksheet = workBook.Worksheets.First(); currentWorksheet.SetValue(1, 1, "hello123"); } } } There is no runtime error. It runs, completes and the spreadsheet is unchanged. I don't know why.

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