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Articles indexed in March 2010

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  • How can I programatically create this custom binding?

    - by user277040
    We've got to access a web service that uses soap11... no problem I'll just set the binding as: BasicHttpBinding wsBinding = new BasicHttpBinding(BasicHttpSecurityMode.TransportWithMessageCredential); Nope. No dice. So I asked the host of the service why we're having authentication issues and he said that our config needed to have this custom binding: <bindings> <customBinding> <binding name="lbinding"> <security authenticationMode="UserNameOverTransport" messageSecurityVersion="WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11" securityHeaderLayout="Strict" includeTimestamp="false" requireDerivedKeys="true" keyEntropyMode="ServerEntropy"> </security> <textMessageEncoding messageVersion="Soap11" /> <httpsTransport authenticationScheme ="Negotiate" requireClientCertificate ="false" realm =""/> </binding> </customBinding> </bindings> Only problem is we're creating our binding programmatically not via the config. So if someone could point me in the right direction in regards to changing my BasicHttpBinding into a custombinding that conforms to the .config value provided I'll give them a big shiny gold star for the day.

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  • Overhead of calling tiny functions from a tight inner loop? [C++]

    - by John
    Say you see a loop like this one: for(int i=0; i<thing.getParent().getObjectModel().getElements(SOME_TYPE).count(); ++i) { thing.getData().insert( thing.GetData().Count(), thing.getParent().getObjectModel().getElements(SOME_TYPE)[i].getName() ); } if this was Java I'd probably not think twice. But in performance-critical sections of C++, it makes me want to tinker with it... however I don't know if the compiler is smart enough to make it futile. This is a made up example but all it's doing is inserting strings into a container. Please don't assume any of these are STL types, think in general terms about the following: Is having a messy condition in the for loop going to get evaluated each time, or only once? If those get methods are simply returning references to member variables on the objects, will they be inlined away? Would you expect custom [] operators to get optimized at all? In other words is it worth the time (in performance only, not readability) to convert it to something like: ElementContainer &source = thing.getParent().getObjectModel().getElements(SOME_TYPE); int num = source.count(); Store &destination = thing.getData(); for(int i=0;i<num;++i) { destination.insert(thing.GetData().Count(), source[i].getName(); } Remember, this is a tight loop, called millions of times a second. What I wonder is if all this will shave a couple of cycles per loop or something more substantial? Yes I know the quote about "premature optimisation". And I know that profiling is important. But this is a more general question about modern compilers, Visual Studio in particular.

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  • MVVM - RaisePropertyChanged turning code into a mess

    - by vidalsasoon
    New to MVVM so please excuse my ignorance. I THINK i'm using it right but I find my ViewModel has too many of these: RaisePropertyChanged("SomeProperty") Every time I set a property I have to raise that damned property changed. I miss the days where I could just go: public int SomeInteger { get; private set;} These days I have to stick the "RaisePropertyChanged" in everywhere or my UI does not reflect the changes :( Am I doing it wrong or are other people getting annoyed with the excessive number of magic strings and old school property setters? Should I be using dependency properties instead? (I doubt that would help the code bloat anyway) Despite these problems I still think MVVM is the way to go so I guess that's something.

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  • "Work stealing" vs. "Work shrugging (tm)"?

    - by John
    Why is it that I can find lots of information on "work stealing" and nothing on a "work shrugging(tm)" as a load-balancing strategy? I am surprised because work-stealing seems to me to have an inherent weakness when implementating efficient fine-grained load-balancing. Vis:- Relying on consumer processors to implement distribution (by actively stealing) begs the question of what these processors do when they find no work? None of the work-stealing references and implementations I have come across so far address this issue satisfactorarily for me. They either:- 1) Manage not to disclose what they do with idle processors! [Cilk] (?anyone know?) 2) Have all idle processors sleep and wake periodically and scatter messages to the four winds to see if any work has arrived [e.g. JAWS] (= way too latent & inefficient for me). 3) Assume that it is acceptable to have processors "spinning" looking for work ( = non-starter for me!) Unless anyone thinks there is a solution for this I will move on to consider a "Work Shrugging(tm)" strategy. Having the task-producing processor distribute excess load seems to me inherently capable of a much more efficient implementation. However a quick google didn't show up anything under the heading of "Work Shrugging" so any pointers to prior-art would be welcome. tx Tags I would have added if I was allowed to [work-stealing]

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  • Mobile web on nokia devices not displaying centain elements

    - by Jan de Jager
    So i have a site which is rendered with our in-house portal engine. It resizes images and adjusts style-sheets automatically in real-time. Issue is that some html elements are inexplicably disappearing due to what only can be described as HTML compatibility. But the problem is not consistent. And only seems to be an issue on some nokia devices. I have tried to install the Nokia Mobile Browser Emulator... but its the worst piece of software i have seen in my life... after 4 hours of installing and uninstalling different versions of JRE, i still can't get it to install. EDIT: Problem now residing at http://wiseguy.mobi/?PageID=657

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  • Bonnie.NET Web Edition - Digital Signature form ASP.NET Web Pages

    Cassandra relseases on the we-coffee.com site a new version of Bonnie.NET. The Bonnie.NET Web Edition (http://www.we-coffee.com/bonnie/bonnieWeb.aspx). This new version permits to digitally sign texts, files and from data from an ASP.NET web-pages. It integrates the PKCS#7 standard to permits signature and co-signature of data both form client-side that from server side. To permits digital signature from ASP.NET web pages, Bonnie.NET Web Edition contains three asp.net server controls,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Outlook express under RHEL 5 server

    - by Kumar P
    I am using RHEL 5 server as proxy server in Local network. Under server i have few windows machines. Now i want to configure Outlook express in windows boxes, When i configure and test connections, It showing connection failed. In browser, internet working well. Without proxy, windows outlook express configure well in windows boxes. And working well. What you think about it and How can i solve this problem ?

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  • Sendmail : Mail delivery of same domain to internal or external mail server.

    - by Silkograph
    Its bit difficult to explain but very simple problem. We have internal sendmail server and hosted server. Both are set to same domain name. We have mixed mail accounts. For example we have two user in one office. [email protected] is local only [email protected] is internal plus external. Internal means we create user on local linux box where sendmail is set. External means we create user on local and hosted server. [email protected] can send mails to any internal user created on Linux box where sendmail is installed. But he can not send mail to outside domain and no mail can be sent to him as there is no account created on external hosted server. [email protected] can send mails to internal as well as all other domains through sendmail's smart_host feature, which uses hosted server's smtp. [email protected] can get all external emails internally through Fetchmail on linux box. Now we have third user [email protected] who will be always outstation and can use external server only. So I can not create account on local linux box for [email protected] because his mail will get delivered locally only. I don't want to create alias and send his mails to gmail or yahoo's account. I want to send emails to his external account from any internal user. How this can be done? Thanks in advance.

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  • Powershell 2.0 : issue import-Module in a background job

    - by Sobled
    I launch a script in backgroung using Start-Job command. In this script, I load a module using Import-Module. The job stay blocked in the running state at the Import-Module step. The same behaviour occurs when : - dotsourcing a module - loading the module via -InitializationScript Start-Job command. Thanks in advance for your help

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  • NIC Teaming HP Server running Win2003

    - by Colm
    Hello everyone. I'm new to server NIC TEaming. I have a HP ProLiant DL360 G4p running Win2003 with 2 NICs , only one is currently active. I'd like to activate the 2nd NIC connected (in a active/passive state) to a 2nd switch with only one IP address and ideally only one mac layer address. The 1st switch is a Cisco 2960G and the 2nd is a Cisco C3560G. There are VLANS, RSTP and PAGP in use already. Can someone give me an idea, in broad terms , of what technology/protocols I should be investigating (HSRP, SLB/TLB Teaming etc.) ? I can provide more info if needed. Thanks, Colm.

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  • All my desktop documents and some of the shortcuts have disappeared on Windows Vista

    - by Notitze
    I have no idea what happened ... but all documents on my desktop disappeared. Some program icons too ... it's very puzzling... I am sure I have not deleted them ... Can anyone help? Thanks Edit 1: I found what happened by searching for my documents on disk: somehow (mouse error?) the Desktop Folder was dragged and dropped or to another folder ... Now it appears that Desktop has changed it's default location... how to fix that??

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  • Triple-monitor set-up (2 unique, 1 cloned): Can a VGA splitter be used on one output of a dual-head

    - by stakx
    Background: I'm currently researching hardware components for some kind of information terminal we're building. This application of ours makes use of three output screens: (1) A touch screen where all user input is made; (2) A regular LCD monitor where the requested information is being displayed; and (3) A projector which displays exactly the same signal as screen (2) does. (All screens will run at the same resolution of 1024x768 btw.) Now I figured that using a dual-head video card would be sufficient, let's say a Matrox P690 low-profile PCI card. This would involve having a Y cable connected to the graphics card itself, then two DVI-to-VGA adapters at each end of the Y cable, and then having a VGA splitter on one of the VGA outputs. The following shows the setup in question: 0--1---------2-> VGA (DSUB-15) \ \ ----2-3---------> VGA (DSUB-15) \ \ -----------------> VGA (DSUB-15) 0: graphics card (LFH60 jack) 1: LFH60 to DVI-I dual monitor Y cable 2: DVI-to-VGA adapters 3: VGA splitter cable Question(s): Will this work? I'm particularly concerned about the following points: Can a low-profile PCI video card output a signal which is strong enough for three monitors (even if it's a dual-head card)? Does the combination of so many adapters and splitter cables work? (The LFH-to-DVI cable comes with the video card) Will the VGA splitter cable degrade the signal on the output screen & projector significantly? (If so, would a USB-powered splitter cable remedy this problem?) I can't possibly expect anyone to answer all those questions, but any input is appreciated.

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  • Cookie is not getting deleted in IE 8.

    - by Ajit
    Hello guys, I'm trying to delete a cookie but somehow it is not getting deleted in IE 8 This is the code i'm using HttpCookie userCookie = Request.Cookies[cookieName]; if (userCookie != null) { userCookie.Expires = DateTime.Now.AddDays(-1); if (!string.IsNullOrEmpty(cookieDomain)) userCookie.Domain = cookieDomain; Response.Cookies.Add(userCookie); } It is working fine in firfox and chrome . Suppose the name of the cookie is testcookie. We created this cookie from xyz.com and we set the domain of the cookie as ".xyz.com". Now we are deleting or expiring this cookie from subdomain.xyz.com. We are deleting the cookie with the code we have mentioned above.

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  • BlackBerry - Facebook extended permissions

    - by Max Gontar
    Hi! I've just found a great sample of Facebook Connect on Blackberry by Eki Y. Baskoro, The following is a short HOWTO on using Facebook Connect on Blackberry. I created a simple Facade encapsulating the Facebook REST API as well as added 'rough' MVC approach for screen navigation. I have tested on JDE 4.5 using 8320 simulator. This is still work in progress and all work is GPLed. It works great for reading stuff. NB Don't forget to get Facebook App Key and set it in TestBB class. But now I want to post something on my wall. So I've add new method to FacebookFacade class using Stream.publish API: /*** * Publishes message to the stream. * @param message - message that will appear on the facebook stream * @param targetId - The ID of the user, Page, group, or event where * you are publishing the content. */ public void streamPublish(String message, String targetId) { Hashtable arguments = new Hashtable(); arguments.put("method", "stream.publish"); arguments.put("message", message); arguments.put("target_id", targetId); try { JSONObject result = new JSONObject( int new JSONTokener(sendRequest(arguments))); int errorCode = result.getInt("error_code"); if (errorCode != 0) System.out.println("Error Code: "+errorCode); } catch (Exception e) { System.out.println(e); } } /*** * Publishes message on current user wall. * @param message - message that will appear on the facebook stream */ public void postOnTheWall(String message) { String targetId = String.valueOf(getLoggedInUserId()); streamPublish(message, targetId); } This will return Error code 200, "The user hasn't authorized the application to perform this action" First I thought it's related with Facebook - Application Settings - Additional Permissions - Publish recent activity (one line stories) to my wall but even checked, no difference... Then I've found this post explains that issue related with extended permissions. This in turn should be fixed by modifying url a little in LoginScreen class : public LoginScreen(FacebookFacade facebookFacade) { this.facebookFacade = facebookFacade; StringBuffer data = new StringBuffer(); data.append("api_key=" + facebookFacade.getApplicationKey()); data.append("&connect_display=popup"); data.append("&v=1.0"); //revomed //data.append("&next=http://www.facebook.com/connect/login_success.html"); //added data.append("&next=http://www.facebook.com/connect/prompt_permissions.php?" + "api_key="+facebookFacade.getApplicationKey()+"&display=popup&v=1.0"+ "&next=http://www.facebook.com/connect/login_success.html?"+ "xxRESULTTOKENxx&fbconnect=true" + "&ext_perm=read_stream,publish_stream,offline_access"); data.append("&cancel_url=http://www.facebook.com/connect/login_failure.html"); data.append("&fbconnect=true"); data.append("&return_session=true"); (new FetchThread("http://m.facebook.com/login.php?" + data.toString())).start(); } Unfortunately it's not working. Still Error Code 200 in return to stream.publish request... Do you have any suggestions how to resolve this? Thank you!

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  • how to run the dependecy class file in java

    - by Manu
    I have created Excel Sheet using java program.It works fine. My problem is, i have copied the .class file into other directory with the necessary jar files need to create this excel sheet, for example my .class is inside "pack" package. c:/myprogram/pack/excelprogram.class to d:/myprogram /pack/excelprogram.class /jxl.jar /ojdbc14.jar if i run the program javac pack.excelprogram it display below error Caused by: java.lang.ClassNotFoundException: jxl.format.CellFormat i have dependency jar file(jxl.jar) for this excel sheet creation.Error is displaying from that only. i have set class path for this jar file like set classpath="%classpath%";d:/myprogram/jxl.jar;d:/myprogram/ojdbc14.jar;.; even though i'm getting the same error. Please help ASAP.

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  • Cannot create instance of abstract class

    - by SmartestVEGA
    I am trying to compile the following code and i am getting the error: Cannot create instance of abstract class . Please help m_objExcel = new Excel.Application(); m_objBooks = (Excel.Workbooks)m_objExcel.Workbooks; m_objBook = (Excel._Workbook)(m_objBooks.Add(m_objOpt)); m_objSheets = (Excel.Sheets)m_objBook.Worksheets; m_objSheet = (Excel._Worksheet)(m_objSheets.get_Item(1)); // Create an array for the headers and add it to cells A1:C1. object[] objHeaders = {"Order ID", "Amount", "Tax"}; m_objRange = m_objSheet.get_Range("A1", "C1"); m_objRange.Value = objHeaders; m_objFont = m_objRange.Font; m_objFont.Bold=true; // Create an array with 3 columns and 100 rows and add it to // the worksheet starting at cell A2. object[,] objData = new Object[100,3]; Random rdm = new Random((int)DateTime.Now.Ticks); double nOrderAmt, nTax; for(int r=0;r<100;r++) { objData[r,0] = "ORD" + r.ToString("0000"); nOrderAmt = rdm.Next(1000); objData[r,1] = nOrderAmt.ToString("c"); nTax = nOrderAmt*0.07; objData[r,2] = nTax.ToString("c"); } m_objRange = m_objSheet.get_Range("A2", m_objOpt); m_objRange = m_objRange.get_Resize(100,3); m_objRange.Value = objData; // Save the Workbook and quit Excel. m_objBook.SaveAs(m_strSampleFolder + "Book2.xls", m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, Excel.XlSaveAsAccessMode.xlNoChange, m_objOpt, m_objOpt, m_objOpt, m_objOpt); m_objBook.Close(false, m_objOpt, m_objOpt); m_objExcel.Quit();

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  • Area of a irregular shape

    - by Naveen
    I have set of points which lies on the image. These set of points form a irregular closed shape. I need to find the area of this shape. Does any body which is the normal algorithm used for calculating the area ? Or is there any support available in libraries such as boost? I am using C++.

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  • What's your all-time creativity problem?

    - by furtelwart
    Sometimes, you stumble with programming. Sometimes, it's a lack of creativity, sometimes, you need a new solution. But there are a lot of situations, you stick in, every time they occur. For myself, it's when I have to create the interface between model and viewer. I designed my data structure very well and drew a GUI prototype, but the missing link won't be written. What are your personal barricades in developing projects?

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