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  • JavaScript keeps returning ambigious error (in ASP.NET MVC 2.0)

    - by Erx_VB.NExT.Coder
    this is my function (with other lines ive tried/abandoned)... function DoClicked(eNumber) { //obj.style = 'bgcolor: maroon'; var eid = 'cat' + eNumber; //$get(obj).style.backgroundColor = 'maroon'; //var nObj = $get(obj); var nObj = document.getElementById(eid) //alert(nObj.getAttribute("style")); nObj.style.backgroundColor = 'Maroon'; alert(nObj.style.backgroundColor); //nObj.setAttribute("style", "backgroundcolor: Maroon"); }; This error keeps getting returned even after the last line in the function runs: Microsoft JScript runtime error: Sys.ArgumentUndefinedException: Value cannot be undefined. Parameter name: method this function is called with an "OnSuccess" set in my Ajax.ActionLink call (ASP.NET MVC)... anyone any ideas on this? i have these referenced... even when i remove the 'debug' versions for normal versions, i still get an error but the error just has much less information and says 'b' is undefined (probably a ms js library internal variable)... <script src="../../Scripts/MicrosoftAjax.debug.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.debug.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcAjax.debug.js" type="text/javascript"></script> <script src="../../Scripts/jquery-1.4.1.js" type="text/javascript"></script> also, this is how i am calling the actionlink method: Ajax.ActionLink(item.CategoryName, "SubCategoryList", "Home", New With {.CategoryID = item.CategoryID}, New AjaxOptions With {.UpdateTargetId = "SubCat", .HttpMethod = "Post", .OnSuccess = "DoClicked(" & item.CategoryID.ToString & ")"}, New With {.id = "cat" & item.CategoryID.ToString})

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  • dynamically create class in scala, should I use interpreter?

    - by Phil
    Hi, I want to create a class at run-time in Scala. For now, just consider a simple case where I want to make the equivalent of a java bean with some attributes, I only know these attributes at run time. How can I create the scala class? I am willing to create from scala source file if there is a way to compile it and load it at run time, I may want to as I sometimes have some complex function I want to add to the class. How can I do it? I worry that the scala interpreter which I read about is sandboxing the interpreted code that it loads so that it won't be available to the general application hosting the interpreter? If this is the case, then I wouldn't be able to use the dynamically loaded scala class. Anyway, the question is, how can I dynamically create a scala class at run time and use it in my application, best case is to load it from a scala source file at run time, something like interpreterSource("file.scala") and its loaded into my current runtime, second best case is some creation by calling methods ie. createClass(...) to create it at runtime. Thanks, Phil

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  • PyQt and unittest - how to handle signals and slots

    - by Einar
    Hello, some small application I'm developing uses a module I have written to check certain web services via a REST API. I've been trying to add unit tests to it so I don't break stuff, and I stumbled upon a problem. I use a lot of signal-slot connections to perform operations asynchronously. For example a typical test would be (pseudo-Python), with postDataDownloaded as a signal: def testConnection(self): "Test connection and posts retrieved" def length_test(): self.assertEqual(len(self.client.post_data), 5) self.client.postDataReady.connect(length_test) self.client.get_post_list(limit=5) Now, unittest will report this test to be "ok" when running, regardless of the result (as another slot is being called), even if asserts fail (I will get an unhandled AssertionError). Example when deliberatiely making the test fail: Test connection and posts retrieved ... ok [... more tests...] OK Traceback (most recent call last): [...] AssertionError: 4 != 5 The slot inside the test is merely an experiment: I get the same results if it's outside (instance method). I also have to add that the various methods I'm calling all make HTTP requests, which means they take a bit of time (I need to mock the request - in the mean time I'm using SimpleHTTPServer to fake the connections and give them proper data). Is there a way around this problem?

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  • Strange UIKit bug, table view row stays selected

    - by Can Berk Güder
    I'm facing what appears to be a UIKit bug, and it takes the combination of two less commonly used features to reproduce it, so please bear with me here. I have quite the common view hierarchy: UITabBarController -> UINavigationController -> UITableViewController and the table view controller pushes another table view controller onto the navigation controller's stack when a row is selected. There's absolutely nothing special or fancy in the code here. However, the second UITableViewController, the "detail view controller" if you will, does two things: It sets hidesBottomBarWhenPushed to YES in its init method, so the tab bar is hidden when this controller is pushed: - (id)initWithStyle:(UITableViewStyle)style { if(self = [super initWithStyle:style]) { self.hidesBottomBarWhenPushed = YES; } return self; } It calls setToolbarHidden:NO animated:YES and setToolbarHidden:YES animated:YES on self.navigationController in viewWillAppear: and viewWillDisappear: respectively, causing the UIToolbar provided by UINavigationController to be displayed and hidden with animations: - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [self.navigationController setToolbarHidden:NO animated:YES]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; [self.navigationController setToolbarHidden:YES animated:YES]; } Now, if the second UITableViewController was pushed by selecting the row at the bottom of the screen (it doesn't have to be the last row) in the first controller, this row does not automatically get deselected when the user immediately or eventually returns to the first controller. Further, the row cannot be deselected by calling deselectRowAtIndexPath:animated: on self.tableView in viewWillAppear: or viewDidAppear: in the first controller. I'm guessing this is a bug in UITableViewController's drawing code which of course only draws visible rows, but unfortunately fails to determine correctly if the bottommost row will be visible in this case. I failed to find anything on this on Google or OpenRadar, and was wondering if anyone else on SO had this problem or knew a solution/workaround.

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  • GWT JsonpRequestBuilder Timeout issue

    - by Anthony Kong
    I am getting time out from using JsonpRequestBuilder. The entry point code goes like this: // private static final String SERVER_URL = "http://localhost:8094/data/view/"; private static final String SERVER_URL = "http://www.google.com/calendar/feeds/[email protected]/public/full?alt=json-in-script&callback=insertAgenda&orderby=starttime&max-results=15&singleevents=true&sortorder=ascending&futureevents=true"; private static final String SERVER_ERROR = "An error occurred while " + "attempting to contact the server. Please check your network " + "connection and try again."; /** * This is the entry point method. */ public void onModuleLoad() { JsonpRequestBuilder requestBuilder = new JsonpRequestBuilder(); // requestBuilder.setTimeout(10000); requestBuilder.requestObject(SERVER_URL, new Jazz10RequestCallback()); } class Jazz10RequestCallback implements AsyncCallback<Article> { @Override public void onFailure(Throwable caught) { Window.alert("Failed to send the message: " + caught.getMessage()); } @Override public void onSuccess(Article result) { // TODO Auto-generated method stub Window.alert(result.toString()); } The article class is simply: import com.google.gwt.core.client.JavaScriptObject; public class Article extends JavaScriptObject { protected Article() {}; } The gwt page, however, always hit the onFailure() callback and show this alert: Failed to send the message. Timeout while calling <url>. Fail to see anything on the Eclipse plugin console. I tried the url and it works perfectly. Would appreciate any tip on debugging technique or suggestion

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  • Refresh User Control without Refreshing the Page

    - by Shrewdy
    hi, I have a page and on that page i have a button and a user control. I want to refresh the user control without refreshing the page. I know i cannot do it otherwise so i did is... (wrapped my user control inside the Update Panel.) <asp:TextBox ID="txtName" runat="server"></asp:TextBox><br /> <asp:Button ID="btnAdd" runat="server" Text="Add name to list" OnClick="btnAdd_Click" /><br /><br /> <asp:UpdatePanel ID="upShowNames" runat="server"> <ContentTemplate> <uc1:ShowNames ID="ucShowNames" runat="server" /> </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="btnAdd" /> </Triggers> </asp:UpdatePanel> but i still the control wont refresh. i also tried calling the update panels .Update() method by changing its UpdateMode to Conditional but that does not work either... does any one know how can we do it then... any help will be greatly appreciated....thank you!!

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  • Using Hibernate's ScrollableResults to slowly read 90 million records

    - by at
    I simply need to read each row in a table in my MySQL database using Hibernate and write a file based on it. But there are 90 million rows and they are pretty big. So it seemed like the following would be appropriate: ScrollableResults results = session.createQuery("SELECT person FROM Person person") .setReadOnly(true).setCacheable(false).scroll(ScrollMode.FORWARD_ONLY); while (results.next()) storeInFile(results.get()[0]); The problem is the above will try and load all 90 million rows into RAM before moving on to the while loop... and that will kill my memory with OutOfMemoryError: Java heap space exceptions :(. So I guess ScrollableResults isn't what I was looking for? What is the proper way to handle this? I don't mind if this while loop takes days (well I'd love it to not). I guess the only other way to handle this is to use setFirstResult and setMaxResults to iterate through the results and just use regular Hibernate results instead of ScrollableResults. That feels like it will be inefficient though and will start taking a ridiculously long time when I'm calling setFirstResult on the 89 millionth row... UPDATE: setFirstResult/setMaxResults doesn't work, it turns out to take an unusably long time to get to the offsets like I feared. There must be a solution here! Isn't this a pretty standard procedure?? I'm willing to forgo Hibernate and use JDBC or whatever it takes. UPDATE 2: the solution I've come up with which works ok, not great, is basically of the form: select * from person where id > <offset> and <other_conditions> limit 1 Since I have other conditions, even all in an index, it's still not as fast as I'd like it to be... so still open for other suggestions..

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  • ASP.NET Timer Event

    - by K Ratnajyothi
    protected void SubmitButtonClicked(object sender, EventArgs e) { System.Timers.Timer timer = new System.Timers.Timer(); --- --- //line 1 get_datasource(); String message = "submitted."; ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "popupAlert", "popupAlert(' " + message + " ');", true); timer.Interval = 30000; timer.Elapsed += new ElapsedEventHandler(timer_tick); // Only raise the event the first time Interval elapses. timer.AutoReset = false; timer.Enabled = true; } } protected void timer_tick(object sender, EventArgs e) { //line 2 get_datasource(); GridView2.DataBind(); } The problem is with the data in the grid view that is being displayed... since when get_datasource which is after line 1 is called the updated data is displayed in the grid view since it is a postback event but when the timer event handler is calling the timer_tick event the get_datasource function is called but after that the updated data is not visible in the grid view. It is nnot getting updated since the timer_tick is not a post back event

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  • OpenGL-ES: Change (multiply) color when using color arrays?

    - by arberg
    Following the ideas in OpenGL ES iPhone - drawing anti aliased lines, I am trying to draw stroked anti-aliased lines and I am successful so far. After line is draw by the finger, I wish to fade the path, that is I need to change the opacity (color) of the entire path. I have computed a large array of vertex positions, vertex colors, texture coordinates, and indices and then I give these to opengl but I would like reduce the opacity of all the drawn triangles without having to change each of the color coordinates. Normally I would use glColor4f(r,g,b,a) before calling drawElements, but it has no effect due to the color array. I am working on Android, but I believe it shouldn't make the big difference, as long as it is OpenGL-ES 1.1 (or 1.0). I have the following code : gl.glEnable(GL10.GL_BLEND); gl.glBlendFunc(GL10.GL_ONE, GL10.GL_ONE_MINUS_SRC_ALPHA); gl.glEnableClientState(GL10.GL_COLOR_ARRAY); gl.glShadeModel(GL10.GL_SMOOTH); gl.glEnableClientState(GL10.GL_VERTEX_ARRAY); gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY); gl.glEnable(GL10.GL_TEXTURE_2D); // Should set rgb to greyish, and alpha to half-transparent, the greyish is // just there to make the question more general its the alpha i'm interested in gl.glColor4f(.75f, .75f, .75f, 0.5f); gl.glVertexPointer(mVertexSize, GL10.GL_FLOAT, 0, mVertexBuffer); gl.glColorPointer(4, GL10.GL_FLOAT, 0, mColorBuffer); gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, mTexCoordBuffer); gl.glDrawElements(GL10.GL_TRIANGLES, indexCount, GL10.GL_UNSIGNED_SHORT, mIndexBuffer.position(startIndex)); If I disable the color array gl.glEnableClientState(GL10.GL_COLOR_ARRAY);, then the glColor4f works, if I enable the color array it does nothing. Is there any way in OpenGl-ES to change the coloring without changing all the color coordinates? I think that in OpenGl one might use a fragment shader, but it seems OpenGL does not have a fragment shader (not that I know how to use one).

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  • How to check for server side update in iPhone application Web service request

    - by Nirmal
    Hello All.... I have kind of Listing application for iPhone application, which always calling a web service to my php server and fetching the data and displaying it onto iPhone screen. Now, the thing to consider in this scenario is, my iPhone application everytime requesting on the server and fetching the data. But now my requirement is like I want to replace following set of actions with above one : - Everytime when my application is launched in iPhone, it should check for the new data at the server`. - And if server replies "true" then only my iPhone application will made a request to fetch the data. - In case of "false", my iPhone application will display the data which is already cached in local phone memory. Now to implement this scenario at server side (which has php, mysql), I am planning with the following solution : Table : tblNewerData id newDataFlag == ============ 1 true Trigger : tgrUpdateNewData Above trigger will update the tblNewerData - newDataFlag field on Insert case of my main table. And every time my iPhone app will request for tblNewerData-newDataFlag field, and if it found true then only it will create new request, and if it founds false then the cached version of data will be displayed. So, I want to know that, is it the correct way to do so ? or else any other smart option available ? Thanks in advance.

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  • Will IOC solve our problems?

    - by user127954
    Just trying to implement unit testing into a brownfield type system. Be aware i'm relatively new into the unit testing world. Its going to be a gradual migration of course because there are just so many areas of pain. The current problem i'm trying to solve is we followed a lot of bad practices from our VB6 days and in the conversion of our app to .Net. We have LOT AN LOTS of shared/static functions which call other shared functions and those call others and so on. Sometimes depedencies are passed in as parameters and sometimes they are just newed up within the calling function. I've already instructed our developers to stop creating shared functions and instead create instance members and only use those instance members off of interfaces but that doesn't alleviate the current situation. So you must recursively pass in each and every dependency at the top layer for each function in your code path and method signatures are turning into a mess. I'm hoping this is something that IOC will fix. Currently we are using NUnit/Moq and i'm starting to investigate StructureMap. So far i understand that you pretty much tell StructureMap for x interface i want to default to the concrete class y: ObjectFactory.Initialize(x=>{x.ForRequestType<IInterface>().TheDefaultIsConcreteType<MyClass>()}); Then to runtime: var mytype = ObjectFactory.GetInstance<IInterface>(); the IOC container will initialize the correct type for you. Not sure yet how to swap a fake in for the concrete type but hopefully thats simple. Again will IOC solve the problems i was talking about above? Is there a specific IOC framework that will do it better than StructureMap or can they all handle this situation. Any help would be much appreciated.

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  • Remove duplicates from a list of nested dictionaries

    - by user2924306
    I'm writing my first python program to manage users in Atlassian On Demand using their RESTful API. I call the users/search?username= API to retrieve lists of users, which returns JSON. The results is a list of complex dictionary types that look something like this: [ { "self": "http://www.example.com/jira/rest/api/2/user?username=fred", "name": "fred", "avatarUrls": { "24x24": "http://www.example.com/jira/secure/useravatar?size=small&ownerId=fred", "16x16": "http://www.example.com/jira/secure/useravatar?size=xsmall&ownerId=fred", "32x32": "http://www.example.com/jira/secure/useravatar?size=medium&ownerId=fred", "48x48": "http://www.example.com/jira/secure/useravatar?size=large&ownerId=fred" }, "displayName": "Fred F. User", "active": false }, { "self": "http://www.example.com/jira/rest/api/2/user?username=andrew", "name": "andrew", "avatarUrls": { "24x24": "http://www.example.com/jira/secure/useravatar?size=small&ownerId=andrew", "16x16": "http://www.example.com/jira/secure/useravatar?size=xsmall&ownerId=andrew", "32x32": "http://www.example.com/jira/secure/useravatar?size=medium&ownerId=andrew", "48x48": "http://www.example.com/jira/secure/useravatar?size=large&ownerId=andrew" }, "displayName": "Andrew Anderson", "active": false } ] I'm calling this multiple times and thus getting duplicate people in my results. I have been searching and reading but cannot figure out how to deduplicate this list. I figured out how to sort this list using a lambda function. I realize I could sort the list, then iterate and delete duplicates. I'm thinking there must be a more elegant solution. Thank you!

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  • Web service SSL handshake fails in production environment unless SSL debugging enabled

    - by JST
    Scenario: calling a client web service over SSL (https) with mutual SSL authentication. Different service endpoint URLs and certs (both keystore and truststore) for test vs. production environments. Both test and production environments run tomcat / JBoss clustered. Production environment has load balancing / BigIP, runs Blade and non-Blade machines. Truststore is set (using -Djavax.net.ssl.trustStore=value) at startup. Keystore is set using System.setProperty("javax.net.ssl.keyStore", "value") in Java code. Web service call made using Axis2. All works fine in test environment, but when we moved to production environment (6 servers), it appears certs are not being forwarded for the handshake. Here's what we've done: in test environment, handshake using test versions of certs has been working all along, with no ssl debugging enabled confirmed in test environment that handshake with client production endpoint succeeds (production certs, both ours and theirs, are fine) -- this was done using -Djavax.net.debug=handshake,ssl confirmed that the error condition occurs on all 6 production servers took one server out of the cluster, turned on ssl debugging for just that one (with a restart), hit it directly, handshake works! switched to a different server without the debugging turned on, handshake error condition occurs turned debugging on on that second server (with a restart), hit it directly, handshake works! From the evidence, it seems like somehow the debugging being enabled causes the certificates to be properly retrieved/conveyed, although that makes no sense! I wonder whether somehow the enabled debugging makes the system pay attention to the System.setProperty call, and ignore it otherwise. However, in local and test environments, handshake worked without debugging enabled. Do I maybe need to be setting keystore on server startup like I'm setting truststore? Have been avoiding that because the keystore will differ for each of our test environments (16 of them).

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  • AutoMapper How To Map Object A To Object B Differently Depending On Context

    - by IanT8
    Calling all AutoMapper gurus! I'd like to be able to map object A to object B differently depending on context at runtime. In particular, I'd like to ignore certain properties in one mapping case, and have all properties mapped in another case. What I'm experiencing is that Mapper.CreateMap can be called successfully in the different mapping cases however, once CreateMap is called, the map for a particular pair of types is set and is not subsequently changed by succeeding CreateMap calls which might describe the mapping differently. I found a blog post which advocates Mapper.Reset() to get round the problem, however, the static nature of the Mapper class means that it is only a matter of time before a collision and crash occur. Is there a way to do this? What I think I need is to call Mapper.CreateMap once per appdomain, and later, be able to call Mapper.Map with hints about which properties should be included / excluded. Right now, I'm thinking about changing the source code by writing a non-static mapping class that holds the mapping config instance based. Poor performance, but thread safe. What are my options. What can be done? Automapper seems so promising.

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  • Visual Studio project using the Quality Center API remains in memory

    - by Traveling Tech Guy
    Hi, Currently developing a connector DLL to HP's Quality Center. I'm using their (insert expelative) COM API to connect to the server. An Interop wrapper gets created automatically by VStudio. My solution has 2 projects: the DLL and a tester application - essentially a form with buttons that call functions in the DLL. Everything works well - I can create defects, update them and delete them. When I close the main form, the application stops nicely. But when I call a function that returns a list of all available projects (to fill a combo box), if I close the main form, VStudio still shows the solution as running and I have to stop it. I've managed to pinpoint a single function in my code that when I call, the solution remains "hung" and if I don't, it closes well. It's a call to a property in the TDC object get_VisibleProjects that returns a List (not the .Net one, but a type in the COM library) - I just iterate over it and return a proper list (that I later use to fill the combo box): public List<string> GetAvailableProjects() { List<string> projects = new List<string>(); foreach (string project in this.tdc.get_VisibleProjects(qcDomain)) { projects.Add(project); } return projects; } My assumption is that something gets retained in memory. If I run the EXE outside of VStudio it closes - but who knows what gets left behind in memory? My question is - how do I get rid of whatever calling this property returns? Shouldn't the GC handle this? Do I need to delve into pointers? Things I've tried: getting the list into a variable and setting it to null at the end of the function Adding a destructor to the class and nulling the tdc object Stepping through the tester function application all the way out, whne the form closes and the Main function ends - it closes, but VStudio still shows I'm running. Thanks for your assistance!

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  • Any way to pass parameters programmatically to an onclick function?

    - by RenderIn
    I have an onclick function which performs several tasks. In another javascript function I do not have access to the context variables needed to perform these tasks. To get around this I have been simply calling the onclick function directly. The problem I have now is that I'd like to perform a task after an Ajax action in the onclick completes. Is there any way for me to pass a function to the onclick method of a link? What would the onclick attribute look like? e.g. something like this: <a id="link3" href="javascript:void(0);" onclick="function(callback) { X(a); Y(b); Z(c, callback); };">click me</a> Clicking on this would pass "undefined" as the callback, while I could also call it explicitly like this: document.getElementById("link3").onclick(function() { alert("Completed all tasks"); } ); Is something like this possible? Basically I want to be able to pass an optional parameter to the onclick method, but if it's absent I want it to behave as if there were just procedural code in the onclick.

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  • SMTP on C: STARTTLS via OpenSSL

    - by Jackell
    Hi all! I am using openssl to build secure smtp connections to gmail.com:25. So I can successfully connect to the server and sends a command STARTTLS (I receive 220 2.0.0 Ready to start TLS). Then execute the following code without disconnecting: SSL_METHOD* method = NULL; SSL_library_init(); SSL_load_error_strings(); method = SSLv23_client_method(); ctx = SSL_CTX_new(method); if (ctx == NULL) { ERR_print_errors_fp(stderr); } SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2); ssl = SSL_new(ctx); if (!SSL_set_fd(ssl, socket)) { ERR_print_errors_fp(stderr); return; } if (ssl) { if (SSL_connect((SSL*)ssl) < 1) { ERR_print_errors_fp(stderr); } // then i think i need to send EHLO } But after calling SSL_connect I get an error: 24953:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:601: If I use SSLv3_client_method I get an error: 18143:error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number:s3_pkt.c:284. And If TLSv1_client_method: 21293:error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number:s3_pkt.c:284: Why? What I do wrong?

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  • DataContract Known Types - passing array

    - by Erup
    Im having problems when passing an generic List, trough a WCF operation. In this case, there is a List of int. The example 4 is described here in MSDN. Note that in MSDN sample, is described: // This will serialize and deserialize successfully because the generic List is equivalent to int[], which was added to known types. Above, is the DataContract: [DataContract] [KnownType(typeof(int[]))] [KnownType(typeof(object[]))] public class AccountData { [DataMember] public object accNumber1; [DataMember] public object accNumber2; [DataMember] public object accNumber3; [DataMember] public object accNumber4; } In client side, Im calling the operation like this: DataTransfer.Service.AccountData data = new DataTransfer.Service.AccountData() { accNumber1 = 100, accNumber2 = new int[100], accNumber3 = new List<int>(), accNumber4 = new ArrayList() }; cService.AddAccounts(data); Also, here is the decorations of the generated AccountData obj (WCF proxy): [System.Diagnostics.DebuggerStepThroughAttribute()] [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Runtime.Serialization", "3.0.0.0")] [System.Runtime.Serialization.DataContractAttribute(Name="AccountData", Namespace="http://schemas.datacontract.org/2004/07/DataTransfer.Service")] [System.SerializableAttribute()] [System.Runtime.Serialization.KnownTypeAttribute(typeof(DataTransfer.Client.CustomerServiceReference.PurchaseOrder))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(DataTransfer.Client.CustomerServiceReference.Customer))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(int[]))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(object[]))]

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  • Facebook Connect application inside iframe not working in IE7

    - by Antoine Aubry
    I am building a Facebook Connect application that runs inside a Google gadget. Being a gadget means that the application runs inside an iframe. Inside the application, there is a form that allows registered users to post comments. The submission is made using AJAX, but I get the same results with a normal form. The problem is that I need to get the user's facebook id. In Firefox, it works fine, but on Internet Explorer 7, I get the following error: 'A session key is required for calling this method' I believe that this is due to the way IE handles third-party cookies, because if I go to Internet options / Privacy / Advanced, and check Override automatic cookie handling and accept all cookies, it works fine. I cannot pass the Facebook id from the javascript, because anyone could tamper it. EDIT: If I open the content of the iframe directly, the app works fine. The problem is really due to the IFRAME and IE security model. What am I doing something wrong? How can I work around this problem?

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  • Unmanaged DLL in C# Web Service

    - by Telis
    Hi Guys, please help µe as I am new into accessing an unmanaged DLL from C#.. I have a large unmanaged DLL in C++ and I am trying to access the DLL's classes and functions from a C# Web Service. I have seen many examples how to use DLLImport, but for some reason I am stuck with my very first wrapper method spending many hours with no luck.. What should I do to return an object in my 'Marshaled' [DllImport..] function? I would like to do something like that: [DllImport("unmanaged.dll")] public static extern MyClass MyFunction(); Here is the definition of my C++ class and the function that I want to access: class __declspec(dllexport) TPDate { public: TPDate(); TPDate(const TPDate& rhs); ... //today's date. static TPDate AsOfDate(void); ... } In my Web service I have declared the following StructLayout: [StructLayout(LayoutKind.Sequential)] public class TPDate { public TPDate(TPDate d) { _tpDate = d; } public TPDate _tpDate; } and here's where I think that I'm not doing something right: class WrapperTPDate { [DllImport("TPTools.dll", ExactSpelling=false, EntryPoint = "?AsOfDate@TPDate@@SA?AV1@XZ", CallingConvention = CallingConvention.StdCall)] [return: MarshalAs(UnmanagedType.Struct)] **public static extern TPDate AsOfDate();**// HERE THERE IS PROBLEM }; I am calling the wrapper as follows from my WebMethod: [WebMethod] public void ConstructModel() { TPDate date1 = WrapperTPDate.AsOfDate();// Here I get exception TPDate date = new TPDate(date1); } The exception i am getting is: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Runtime.InteropServices.MarshalDirectiveException: Cannot marshal 'return value': Invalid managed/unmanaged type combination (this type must be paired with LPStruct or Interface). If I change it to LPSTRUCT, I am getting another exception: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt Could you please tell me where I'm doing wrong here Thanks

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  • How does one use OpenFileDialog in C# in visual Studio 2010

    - by xarzu
    I have written a custom dialog (form) that I can use in a C# program that behaves much like a "File - Open" menu command and brings up a window where a user can select a file or directory. The question I have is this. It has "My Computer" as its root. How can I have it so that it searches on a Network? If the file or directory is located on a network. Or better yet, in Visual Studio 2010, is there some sort of canned FileOpenDialog that I can use right away? I tried calling the OpenFileDialog as described in the example code at http://msdn.microsoft.com/en-us/library/system.windows.forms.openfiledialog.aspx but the compiler does not seem to like DialogResult.OK as used in this line of code: if(openFileDialog1.ShowDialog() == DialogResult.OK) The compiler says: Error 1 'System.Nullable' does not contain a definition for 'OK' and no extension method 'OK' accepting a first argument of type 'System.Nullable' could be found (are you missing a using directive or an assembly reference?) I tried using the namespace Microsoft.Win32 instead of System.Windows.Forms and neither worked. They both produced this error.

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  • PHP PayPal IPN - Getting drop down menu

    - by kimion09
    I'm using Paypal's buy it now buttons along with an IPN handler written in PHP to send me an e-mail whenever a purchase is made. The e-mail is properly being sent and is passing much of the data, but it's not capturing the drop down list for selecting a clothing item's size. Here's my button code fields: <input type="hidden" name="item_name" value="Test Shirt"> <input type="hidden" name="item_number" value="001"> <input type="hidden" name="on0" value="sizes"> Select a size: <select name="os0"> <option value="Small">Small </option> <option value="Medium">Medium </option> <option value="Large">Large </option> <option value="Extra Large">Extra Large </option> </select> My PHP IPN script that captures the data into variables looks like this: $item_name = $_POST['item_name']; $item_number = $_POST['item_number']; $size = $_POST['on0']; $sizeChoice = $_post['os0']; The e-mail properly displays the item name and item number, but nothing for the $size and $sizeChoice variables. It's late so I'm sure I'm looking over something very obvious but am still wondering if I'm just calling it wrong or if I'm forgetting some hidden fields? Thanks :)

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  • Texture loading at joGL

    - by Nour
    hi I've been trying to load a bmp picture to use it as a texture at my program I've used a IOstream Class to extend DataInputStream to read the pixels at the photo with this code "based on a texture loader code for c++ " : //class Data members public static int BMPtextures[]; public static int BMPtexCount = 30; public static int currentTextureID = 0; //loading methode static int loadBMPTexture(int index, String fileName, GL gl) { try { IOStream wdis = new IOStream(fileName); wdis.skipBytes(18); int width = wdis.readIntW(); int height = wdis.readIntW(); wdis.skipBytes(28); byte buf[] = new byte[wdis.available()]; wdis.read(buf); wdis.close(); gl.glBindTexture(GL.GL_TEXTURE_2D, BMPtextures[index]); gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, 3, width, height, 0, GL.GL_BGR, GL.GL_UNSIGNED_BYTE, buf); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); currentTextureID = index; return currentTextureID; } catch (IOException ex) { // Utils.msgBox("File Error\n" + fileName, "Error", Utils.MSG_WARN); return -1; } } and IOStream code : public class IOStream extends DataInputStream { public IOStream(String file) throws FileNotFoundException { super(new FileInputStream(file)); } public short readShortW() throws IOException { return (short)(readUnsignedByte() + readUnsignedByte() * 256); } public int readIntW() throws IOException { return readShortW() + readShortW() * 256 * 256; } void read(Buffer[] buf) { } } and the calling: GTexture.loadBMPTexture(1,"/BasicJOGL/src/basicjogl/data/Font.bmp",gl); after debugging I figured out that when it come to this line : IOStream wdis = new IOStream(fileName); an IOExeption occurred and it's a dispatchException .. what this impose to mean ?? and how can I solve it ? by the way i tried to : 1- use \ and \ and / and // 2- change the path of the photo and take all the path from c:\ to the photoname.bmp 3- rename the photo using numbers like 1.bmp but nothing seems to work :(

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  • iPhone JSON object releasing itself?

    - by MidnightLightning
    I'm using the JSON Framework addon for iPhone's Objective-C to catch a JSON object that's an array of Dictionary-style objects via HTTP. Here's my connectionDidFinishLoading function: - (void)connectionDidFinishLoading:(NSURLConnection *)connection { [connection release]; NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]; [loadingIndicator stopAnimating]; NSArray *responseArray = [responseString JSONValue]; // Grab the JSON array of dictionaries NSLog(@"Response Array: %@", responseArray); if ([responseArray respondsToSelector:@selector(count)]) { NSLog(@"Returned %@ items", [responseArray count]); } [responseArray release]; [responseString release]; } The issue is that the code is throwing a EXC_BAD_ACCESS error on the second NSLog line. The EXC_BAD_ACCESS error I think indicates that the variable got released from memory, but the first NSLog command works just fine (and shows that the data is all there); it seems that only when calling the count message is causing the error, but the respondsToSelector call at least thinks that the responseArray should be able to respond to that message. When running with the debugger, it crashes on that second line, but the stack shows that the responseArray object is still defined, and has 12 objects in it (so the debugger at least is able to get an accurate count of the contents of that variable). Is this a problem with the JSON framework's creation of that NSArray, or is there something wrong with my code?

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  • Base64 en/decoding between xstream and iPhone SDK

    - by Matt McMinn
    I am passing a byte array from a java server to an iPad client in XML. The server is using xstream to convert the byte array to XML with the EncodedByteArrayConverter, which should convert the array to Base 64. Using xstream, I can decode the xml back to the proper byte array in a java client, but in the iPad client, I'm getting an invalid length error. To do my decoding, I'm using the code at the bottom of this page. The length of the string is indeed not a multiple of 4, so there must be something strange with my string - although since xstream can decode it just fine, I'm guessing there's just something I need to to on the iPad side to get it to decode. I've tried cutting off padding at the end of the string to get it down to the right size, and that does allow the decoder to work, but I end up with JPG's that have invalid headers, and are not displayable. On the server side, I'm using the following code: Object rtrn = getByteArray(); XStream xstream = new XStream(); String xml = xstream.toXML(rtrn); On the client side, I'm calling the above decoder from the XML parsing callback like this: -(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { NSLog(@"Converting data; string length: %d", [string length]); //NSLog(@"%@", string); NSData *data = [Base64 decode:string]; NSLog(@"converted data length: %d", [data length]); } Any ideas what could be going wrong?

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