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• Google appengine authentication on iPhone web app on the home screen

  - by Rakesh Pai

  I'm using Google appengine for developing an web application that is meant to be used on both the browser and iphone. I have purchased a domain name for this application, so that I have a pretty URL. I've used the User API for authentication. This works just fine on desktop browsers and iPhone Safari. The user could add the application to the home screen (by tapping the "+" at the bottom toolbar). However when that's done, it seems like the cookies set by Google are not in affect within this "application", and the user is effectively logged out. To make matters worse, when the user clicks on the login link (as generated by GAE), the app closes and opens safari to complete the login. Since the session is apparently not shared between the two, the login process is futile, and the "home-screen" version of the app continues to be logged out. It seems that the cookies are not shared between a "home-screen" app and Safari. It also seems that the "home-screen" app will only work within it's own domain, and any redirect to any other domain will open Safari. Any idea how I can go about fixing this?

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• Building Web Application project using MSBuild from command line on 64-bit: missing targets file

  - by James Allen

  Building a solution containing a web application project using MSBuild from powershell like this: msbuild "/p:OutDir=$build_dir\" $solution_file Works fine for me on 32-bit, but on a 64-bit machine I am running into this error: error MSB4019: The imported project "C:\Program Files\MSBuild\Microsoft\VisualStudio\v9.0\WebApplications\Microsoft.WebApplication.targets" was not found. Confirm that the path in the declaration is correct, and that the file exists on disk. I am using Visual Studio 2008 and powershell v2. The problem has already been documented here and here. Basically on 64-bit install of VS, the Microsoft.WebApplication.targets needed by MSBuild is in the Program Files(x86) dir, not the Program Files dir, but MSBuild doesn't recognise this and so looks in the wrong place. The two solutions are not ideal: Manually copy the file on 64-bit from Program Files(x86) to Program Files. This is a poor solution - every dev will have to do this manually. Manually edit the csproj file so MSBuild looks in the right place. Again not ideal: I would rather not have to get everyone on 64bit to manually edit csproj files on every new project. e.g. <Import Project="$(MSBuildExtensionsPathx86)\$(WebAppTargetsSuffix)" Condition="Exists('$(MSBuildExtensionsPathx86)\$(WebAppTargetsSuffix)')" /> Ideally I want a way to tell MSBuild to import the target file form the right place from the command line but I can't work out how to do that. Any solutions?

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• Extracting URIs from RDF web page in Java using Jena Library

  - by Prannoy Mittal

  I have written following code for extratcting URIs from a web page with content type application/rdf-xml for Linked Data application. public static void test(String url) { try { Model read = ModelFactory.createDefaultModel().read(url); System.out.println("to go"); StmtIterator si; si = read.listStatements(); System.out.println("to go"); while(si.hasNext()) { Statement s=si.nextStatement(); Resource r=s.getSubject(); Property p=s.getPredicate(); RDFNode o=s.getObject(); System.out.println(r.getURI()); System.out.println(p.getURI()); System.out.println(o.asResource().getURI()); } } catch(JenaException | NoSuchElementException c) { } } But above code is not extracting all URIs. It provides only few of the URIs. Please guide me where i Went wrong?? hey Rafeel For Eq: for XML File : <?xml version="1.0"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:ex="http://example.org/stuff/1.0/"> <rdf:Description rdf:about="http://www.w3.org/TR/rdf-syntax-grammar" dc:title="RDF/XML Syntax Specification (Revised)"> <ex:editor> <rdf:Description ex:fullName="Dave Beckett"> <ex:homePage rdf:resource="http://purl.org/net/dajobe/" /> </rdf:Description> </ex:editor> </rdf:Description> </rdf:RDF> The output is : Subject URI is http://www.w3.org/TR/rdf-syntax-grammar Predicate URI is http://example.org/stuff/1.0/editor Object URI is null Subject URI is http://www.w3.org/TR/rdf-syntax-grammar Predicate URI is http://purl.org/dc/elements/1.1/title Website is read

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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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• Why does Http Web Request and IWebProxy work at wierd times

  - by Mike Webb

  Another question about Web proxy. Here is my code: IWebProxy Proxya = System.Net.WebRequest.GetSystemWebProxy(); Proxya.Credentials = CredentialCache.DefaultNetworkCredentials; HttpWebRequest rqst = (HttpWebRequest)WebRequest.Create(targetServer); rqst.Proxy = Proxya; rqst.Timeout = 5000; try { rqst.GetResponse(); } catch(WebException wex) { connectErrMsg = wex.Message; proxyworks = false; } This code fails the first time it is called. After that on successive calls it works sometimes, but not others. It also never hits the catch block. Now the weird part. If I add a MessageBox.Show(msg) call in the first section of code before the GetResponse() call this all will work every time. Here is an example: try { // ========Here is where I make the call and get the response======== System.Windows.Forms.MessageBox.Show("Getting Response"); // ========This makes the whole thing work every time======== rqst.GetResponse(); } catch(WebException wex) { connectErrMsg = wex.Message; proxyworks = false; } I'm baffled about why it is behaving this way. I don't know if the timeout is not working (it's in milliseconds, not seconds, so should timeout after 5 seconds, right?...) or what is going on. The most confusing this is that the message box call makes it all work. So any help and suggestions on what is happening is appreciated. These are the kind of bugs that drive me absolutely out of my mind.

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• sproutcore vs javascriptMVC for web app development

  - by swami

  Hi, I want to use a javascript framework with MVC for a complex web application (which will be one of a set of related apps and pages) for an intranet in a digital archives. I have been looking at SproutCore and JavascriptMVC. I want to choose one framework and stick with it. Does anybody know what the distinguishing features are when comparing these two? I want something that is simple, straightforward that I can customize/hack easily, and that doesn't get in my way too much, but that at the same time gives me a basis for keeping my code nicely organized, and event-driven. I also plan on using jquery substantially. I know sproutcore is backed by Apple, and looks like it is getting more popular by the day, and it has a nice green website :), whereas JavascriptMVC looks less professional, with less of a following and less momentum behind it. I've done the tutorials for both and I was impressed by SproutCore more (in the JMVC tutorial you don't really do anything substantial) - but somewhere in the back of my mind I feel that JMVC might just be better because it doesn't try and do too much - it just gives you MVC functionality based on a couple of jquery plugins, and you can use jquery for everything else, so its flexible. Whereas SproutCore seems to have more of its own API etc... which is also nice in a way... but then you're kind of stuck within that.... hmmm I'm confused :). Any thoughts would be much appreciated.

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• SqlBulkCopy causes Deadlock on SQL Server 2000.

  - by megatoast

  I have a customized data import executable in .NET 3.5 which the SqlBulkCopy to basically do faster inserts on large amounts of data. The app basically takes an input file, massages the data and bulk uploads it into a SQL Server 2000. It was written by a consultant who was building it with a SQL 2008 database environment. Would that env difference be causing this? SQL 2000 does have the bcp utility which is what BulkCopy is based on. So, When we ran this, it triggered a Deadlock error. Error details: Transaction (Process ID 58) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction. I've tried numerous ways to try to resolve it. like temporarily setting the connection string variable MultipleActiveResultSets=true, which wasn't ideal, but it still gives a Deadlock error. I also made sure it wasn't a connection time out problem. here's the function. Any advice? /// <summary> /// Bulks the insert. /// </summary> public void BulkInsert(string destinationTableName, DataTable dataTable) { SqlBulkCopy bulkCopy; if (this.Transaction != null) { bulkCopy = new SqlBulkCopy ( this.Connection, SqlBulkCopyOptions.TableLock, this.Transaction ); } else { bulkCopy = new SqlBulkCopy ( this.Connection.ConnectionString, SqlBulkCopyOptions.TableLock | SqlBulkCopyOptions.UseInternalTransaction ); } bulkCopy.ColumnMappings.Add("FeeScheduleID", "FeeScheduleID"); bulkCopy.ColumnMappings.Add("ProcedureID", "ProcedureID"); bulkCopy.ColumnMappings.Add("AltCode", "AltCode"); bulkCopy.ColumnMappings.Add("AltDescription", "AltDescription"); bulkCopy.ColumnMappings.Add("Fee", "Fee"); bulkCopy.ColumnMappings.Add("Discount", "Discount"); bulkCopy.ColumnMappings.Add("Comment", "Comment"); bulkCopy.ColumnMappings.Add("Description", "Description"); bulkCopy.BatchSize = dataTable.Rows.Count; bulkCopy.DestinationTableName = destinationTableName; bulkCopy.WriteToServer(dataTable); bulkCopy = null; }

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• Unable to call RESTful web services methods

  - by Alessandro

  Hello, I'm trying to dive into the RESTful web services world and have started with the following template: [ServiceContract] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)] public class Test { // TODO: Implement the collection resource that will contain the SampleItem instances [WebGet(UriTemplate = ""), OperationContract] public List<SampleItem> GetCollection() { // TODO: Replace the current implementation to return a collection of SampleItem instances return new List<SampleItem>() {new SampleItem() {Id = 1, StringValue = "Hello"}}; } [WebInvoke(UriTemplate = "", Method = "POST"), OperationContract] public SampleItem Create(SampleItem instance) { // TODO: Add the new instance of SampleItem to the collection throw new NotImplementedException(); } [WebGet(UriTemplate = "{id}"), OperationContract] public SampleItem Get(string id) { // TODO: Return the instance of SampleItem with the given id throw new NotImplementedException(); } [WebInvoke(UriTemplate = "{id}", Method = "PUT"), OperationContract] public SampleItem Update(string id, SampleItem instance) { return new SampleItem { Id = 99, StringValue = "Done" }; } [WebInvoke(UriTemplate = "{id}", Method = "DELETE"), OperationContract] public void Delete(string id) { // TODO: Remove the instance of SampleItem with the given id from the collection throw new NotImplementedException(); } } I am able to perform the GET operation but I am unable to perform PUT, POST or DELETE requests. Can anyone explain me how to perform these operations and how to create the correct URLs? Best regards Alessandro

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• Web user expectations

  - by Ash

  When designing a good Web GUI what expectations can we expect from an end user? I've come up with the following, but I wonder if there are any others which can suggest.. If I click on a hyperlink it will take me to another page/part of this page If I tick/untick a checkbox it might alter the page state (enable/disable elements) If I click on a button I expect it to do something to data. If I click on a button I expect something to happen immediately (either to the current page, or for me to be taken to another page) If I have clicked on a hyperlink and it has taken me to another page, I expect to be able to use the Back button to get back to the previous page in a state similar to that which I left it in If I change something in a form, I can change it back to its previous value if necessary Unless I click on the 'Submit' button nothing should happen to my data. If I bookmark/favourite a page then it should show the same related data each time I visit it If text is underlined and looks like a link, it should be a link and act as one The reasoning behind this question is more a 'UI from hell' one. For example I have come across pages which checking a tickbox next to a record will delete it, straight away, via ajax. To me that just seems wrong, a checkbox is a toggle - something which a delete operation definitely isn't!

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• Problem with MessageContract, Generic return types and clientside naming

  - by Soeteman

  I'm building a web service which uses MessageContracts, because I want to add custom fields to my SOAP header. In a previous topic, I learned that a composite response has to be wrapped. For this purpose, I devised a generic ResponseWrapper class. [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName="WrapperOf{0}")] public class ResponseWrapper<T> { [MessageBodyMember(Namespace = "http://mynamespace.com")] public T Response { get; set; } } I made a ServiceResult base class, defined as follows: [MessageContract(WrapperNamespace = "http://mynamespace.com")] public class ServiceResult { [MessageBodyMember] public bool Status { get; set; } [MessageBodyMember] public string Message { get; set; } [MessageBodyMember] public string Description { get; set; } } To be able to include the request context in the response, I use a derived class of ServiceResult, which uses generics: [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName = "ServiceResultOf{0}")] public class ServiceResult<TRequest> : ServiceResult { [MessageBodyMember] public TRequest Request { get; set; } } This is used in the following way [OperationContract()] ResponseWrapper<ServiceResult<HCCertificateRequest>> OrderHealthCertificate(RequestContext<HCCertificateRequest> context); I expected my client code to be generated as ServiceResultOfHCCertificateRequest OrderHealthCertificate(RequestContextOfHCCertificateRequest context); Instead, I get the following: ServiceResultOfHCCertificateRequestzSOTD_SSj OrderHealthCertificate(CompType1 c1, CompType2 c2, HCCertificateRequest context); CompType1 and CompType2 are properties of the RequestContext class. The problem is that a hash is added to the end of ServiceResultOfHCCertificateRequestzSOTD_SSj. How do I need define my generic return types in order for the client type to be generated as expected (without the hash)?

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• web service - client classes

  - by Noona

  The web service that I implemented is up and running, when I try to run the client I get the following error with regard to the classes that were generated using wsimport, Caused by: java.security.PrivilegedActionException: com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationsException: 4 counts of IllegalAnnotationExceptions Two classes have the same XML type name "{http://server.agency.hw2/}userJoined". Use @XmlType.name and @XmlType.namespace to assign different names to them. this problem is related to the following location: at hw2.chat.backend.main.generatedfromserver.UserJoined at public javax.xml.bind.JAXBElement hw2.chat.backend.main.generatedfromserver.ObjectFactory.createUserJoined(hw2.chat.backend.main.generatedfromserver.UserJoined) at hw2.chat.backend.main.generatedfromserver.ObjectFactory this problem is related to the following location: at ChatCompany.BackendChatServer.hw2.chat.backend.main.generatedfromserver.UserJoined Two classes have the same XML type name "{http://server.agency.hw2/}userJoinedResponse". Use @XmlType.name and @XmlType.namespace to assign different names to them. this problem is related to the following location: at hw2.chat.backend.main.generatedfromserver.UserJoinedResponse at public javax.xml.bind.JAXBElement hw2.chat.backend.main.generatedfromserver.ObjectFactory.createUserJoinedResponse(hw2.chat.backend.main.generatedfromserver.UserJoinedResponse) But I can't figure out what exactly is meant by the error. I am assuming I need to change something in annotations in this class as pointed out by the compiler: @XmlAccessorType(XmlAccessType.FIELD) @XmlType(name = "userJoinedResponse") public class UserJoinedResponse { } could someone please point out why there's a name collision and what annotations I need to change? thanks

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• How to handle missing files on MVC

  - by kaivalya

  What is your preferred way to handle hits to files that does not exist on your MVC app. I have couple of web apps runing with MVC and they are constantly getting hits for files folders etc. that does not exist in the app structure. Apps are throwing exception: The controller for path could not be found or it does not implement IController I am trying to find out the best way to handle this. I have 3 global routes on my global.asax file (see below) and at this point I am happy with that simple definition. I know if I added route definition for all controllers then I can add a definition to ignore the rest and handle these hits but if it will be possible to solve this problem without it, I do not want to add route definitions for each controller which I believe will flood the route definitions and also add a layer of maintenance which I don't like. //Aggregates 2nd level routes.MapRoute( "AggregateLevel2", "{controller}/{action}/{id}/{childid}/{childidlevel2}", new { controller = "Home", action = "Index", id = "", childid = "", childidlevel2 = "" } ); //Aggregates 1st level routes.MapRoute( "AggregateLevel1", "{controller}/{action}/{id}/{childid}", new { controller = "Home", action = "Index", id = "", childid = "" } ); routes.MapRoute( "Default", "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "" } );

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• emacs frustration with web development

  - by Tony Cruise

  I really liked flexibility of emacs but it is really annoying to make it work. I want to use it for web development html, css, javascript, php. I first tried emacs-starter-kit . It didn't included nXhtml. Also C-g key binding does not work (they call it starter kit but basic key command does not work). I think it is mapped for git control. That's a frustration for a beginner. Then I replaced emacs-starter-kit with nXhtml. At least C-g is working. But code completion sucks, M-tab does not work. I tried code completion from nXhtml menu with no success. Also NXhtml mode did'nt colorized my file if css is mixed with html. Isn't it recommended for mixed html, css,php files. So why it doesnt work?. Why Emacs folks do not aware of convention over configuration? Dam! ship it something works! Please help me before I am getting crazy. I use Ubuntu 10.04 and emacs-snaphot-gtk 23.1.50-1. Please guide step by step with your working dotfile url. Even I accept I am a dummy it really annoying and frustrating to use emacs.

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• Single Sign On for WebServices, WCS, WFS, WMS (Geoserver), etc.

  - by lajuette

  I'm trying to implement a Single Sign On (SSO) for a web application. Maybe you can help me find a proper solution, give me a direction or tell me, that solutions already exist. The scenario: A GeoExt (ExtJS for geodata/map based apps) webapp (JavaScript only) has a login form to let the user authenticate himself. The authentication is not implemented yet, so i'm flexible with respect to that. After authenticating to the main webapp the user indirectly accesses multiple 3rd-party services like WebServices, GeoServer WFS, Google Maps, etc. These services might require additional authentication like credentials or keys. We are (so far) not talking about additional login screens, just some kind of "machine to machine"-authentication. The main problem: I'm unable to modify the 3rd party services (e.g. Google) to add a SSO mechanism. I'd like to have a solution that allows the user to log in once to have access to all the services required. My first idea was a repository that stores all the required credentials or keys. The user logs in and can retrieve all required information to acces sthe other services. Does anybody know of existing implementations, papers, maybe implementations of such services? Other requirements: The communication between the JS application and the repository must be secure. The credentials must be stored in a secure manner. But the JS app must be able to use them to access the services (no chance to store a decryption key in a JS-app securely, eh? *g).

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• Isolated storage misunderstand

  - by Costa

  Hi this is a discussion between me and me to understand isolated storage issue. can you help me to convince me about isolated storage!! This is a code written in windows form app (reader) that read the isolated storage of another win form app (writer) which is signed. where is the security if the reader can read the writer's file, I thought only signed code can access the file! If all .Net applications born equal and have all permissions to access Isolated storage, where is the security then? If I can install and run Exe from isolated storage, why I don't install a virus and run it, I am trusted to access this area. but the virus or what ever will not be trusted to access the rest of file system, it only can access the memory, and this is dangerous enough. I cannot see any difference between using app data folder to save the state and using isolated storage except a long nasty path!! I want to try give low trust to Reader code and retest, but they said "Isolated storage is actually created for giving low trusted application the right to save its state". Reader code: private void button1_Click(object sender, EventArgs e) { String path = @"C:\Documents and Settings\All Users\Application Data\IsolatedStorage\efv5cmbz.ewt\2ehuny0c.qvv\StrongName.5v3airc2lkv0onfrhsm2h3uiio35oarw\AssemFiles\toto12\ABC.txt"; StreamReader reader = new StreamReader(path); var test = reader.ReadLine(); reader.Close(); } Writer: private void button1_Click(object sender, EventArgs e) { IsolatedStorageFile isolatedFile = IsolatedStorageFile.GetMachineStoreForAssembly(); isolatedFile.CreateDirectory("toto12"); IsolatedStorageFileStream isolatedStorage = new IsolatedStorageFileStream(@"toto12\ABC.txt", System.IO.FileMode.Create, isolatedFile); StreamWriter writer = new StreamWriter(isolatedStorage); writer.WriteLine("Ana 2akol we ashrab kai a3eesh wa akbora"); writer.Close(); writer.Dispose(); }

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• Permission denied (maybe missing INTERNET permission) when calling web service

  - by Maxim

  I'm trying to use .net SOAP web service with ksoap2 lib. Example from http://www.vimeo.com/9633556 shows how to do it correct. Below the code from that example. everything shoud work ok, but when I try to do a call inself (httpTransport.call) I get "Permission denied (maybe missing INTERNET permission)" exception. Moreover, I don't see in the Application info window among permissions the internet permission alert. Tried this on emulator and Google phone. Will be very appreciated if somebody could help with it. Thanks. public void CelsiusToFahrenheit() { String SOAP_ACTION = "http://tempuri.org/CelsiusToFahrenheit"; String METHOD_NAME = "CelsiusToFahrenheit"; String NAMESPACE = "http://tempuri.org/"; String URL = "http://www.w3schools.com/webservices/tempconvert.asmx"; SoapObject Request = new SoapObject(NAMESPACE, METHOD_NAME); Request.addProperty("Celsius", "32"); SoapSerializationEnvelope soapEnvelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); soapEnvelope.dotNet = true; soapEnvelope.setOutputSoapObject(Request); AndroidHttpTransport httpTransport = new AndroidHttpTransport(URL); try { httpTransport.call(SOAP_ACTION, soapEnvelope); SoapPrimitive resultString = (SoapPrimitive)soapEnvelope.getResponse(); res = resultString.toString(); } catch (Exception e) { e.printStackTrace(); } } AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest> <application> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <user-permission android:name="android.permission.INTERNET"></user-permission> <uses-sdk android:minSdkVersion="4" />

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• Properly changing Ajax MultiHandle Slider parameters on postbacks

  - by Matthew PK

  Hi all, In VS2010 I have VB.NET codebehind aspx pages and I'm using Ajax multihandleslider extensions to filter search results on numerical values. Fistly, the multihandle sliders don't display in the designer... I have to remove the slider targets tag: In order to make it display in the designer... this isn't so much a big issue but an annoyance. I am displaying items in a given category. So I get the max and min prices for all items in that category and assign the sliderextension max/min values appropriately. This works fine until... I change the item category and go get a new max/min value for the slider control. I set the max/min values, then I set the target textbox values each to the corresponding max/min values. The slider handles don't repaint (or init?) properly Like say for example my initial min/max is 1/100 if I do a full postback and change the max value to 1000 then the slider bar (correctly) stays the same size but the handle appears WAYYYY to the right off the page and I have to scroll to it. When I click it, it shoots back onto the slider bar. I'm pulling my hair out... why do the slider handles only appear properly when I first set the min/max values?

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• Programmatically open an email from a POP3 and extract an attachment

  - by Josh

  We have a vendor that sends CSV files as email attachments. These CSV files contain statuses that are imported into our application. I'm trying to automate the process end-to-end, but it currently depends on someone opening an email, saving the attachment to a server share, so the application can use the file. Since I cannot convince the vendor to change their process, such as offering an FTP location or a Web Service, I'm stuck with trying to automate the existing process. Does anyone know of a way to programmatically open an email from a POP3 account and extract an attachment? The preferred solution would reside on a Windows 2003 server, be written VB.NET and secure. The application can reside on the same server as the POP3 server, for example, we could setup the free POP3 server that comes with Windows Server and pull against the mail file stored on the file system. BTW, we are willing to pay for an off-the-shelf solution, if one exists. Note: I did look at this question but the answer points to a CodeProject solution that doesn't deal with attachments.

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• Web Start Application built on NetBeans Platform doesn't create desktop shortcut & start menu item

  - by rudolfv

  I've created a NetBeans Platform application that is launched using Java Web Start. I built the WAR file using the 'Build JNLP Application'-command in Netbeans. I've added a desktop shortcut and menu item to the JNLP file, but for some reason, these are not created when the application is launched. However, when I go to: Control Panel - Java - Temporary Internet Files - View - Select my application Click 'Install shortcuts to the selected application' the desktop and menu shortcuts are created correctly. Also, in the Java Console, the Shortcut Creation option is set to the following (the default, I presume): Prompt user if hinted Below is a snippet of my JNLP file: <jnlp spec="6.0+" codebase="$$codebase"> <information> <title>${app.title}</title> <vendor>SomeVendor (Pty) Ltd</vendor> <description>Some description</description> <icon href="${app.icon}"/> <shortcut online="true"> <desktop/> <menu submenu="MyApp"/> </shortcut> </information> ... I'm stumped. Does anybody have an explanation for this? Thanks PS This is on both Windows XP and Windows 7. NetBeans version: 6.8

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• How to implement the Facebook "Like" button for my website

  - by vamsivanka

  I am trying to implement facebook like button on my website. The first four lines in the code is already there on my site after the end of the "" tag. To implement the "Like button" i have added the second script (Line five to the end) and ran the application. Its giving me an error as "Microsoft Jscript runtime error:'_onLoad' is null or not an object" Please Let me know. Thanks <script type="text/javascript" src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php"></script> <script type="text/javascript"> FB.init("myapikey", "xd_receiver.htm", { "reloadIfSessionStateChanged": true }); </script> <script type="text/javascript"> window.fbAsyncInit = function() { FB.init({appId: 'myappid', status: true, cookie: true, xfbml: true}); }; (function() { var e = document.createElement('script'); e.async = true; e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js'; document.getElementById('fb-root').appendChild(e); }()); </script> References: http://developers.facebook.com/docs/reference/plugins/like <fb:like href="http://webclip.in" layout="standard" show-faces="true" width="450" action="like" font="arial" colorscheme="light"/>

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• Autologin for web application

  - by Maulin

  We want to AutoLogin feature to allow user directly login using link into our Web Application. What is the best way achieve this? We have following approches in our mind. 1) Store user credentials(username/password) in cookie. Send cookie for authentication. e.g. http: //www.mysite.com/AutoLogin (here username/password will be passed in cookie) OR Pass user credentials in link URL. http: //www.mysite.com/AutoLogin?userid=<&password=< 2) Generate randon token and store user random token and user IP on server side database. When user login using link, validate token and user IP on server. e.g. http: //www.mysite.com/AutoLogin?token=< The problem with 1st approach is if hacker copies link/cookie from user machine to another machine he can login. The problem with 2nd approach is the user ip will be same for all users of same organization behind proxy. Which one is better from above from security perspective? If there is better solution which is other than mentioned above, please let us know.

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• Problem consuming Exchange Web Service 2010 with jax-ws metro

  - by Johan Karlberg

  I am trying to consume the Exchange 2010 Web Service interface using JAX-WS. I'm using JAX-WS 2.2 RI (Metro 2.0). 2.1 exhibited the same problem. I am running into trouble with Exchange, which returns "HTTP/1.1 415 Cannot process the message because the content type 'text/xml;charset=utf-8' was not the expected type 'text/xml; charset=utf-8'." as a reponse (2.1 quoted the charset value, otherwise same response). Apparently I need to dictate the exact Content-type header for Exchange to be happy. Is there a way for me to do this without forcing me to manually rebuild the dependency? I currently rely on published maven artifacts, and would like to continue doing this if at all possible. The consuming process is a regular J2SE app, with no containers in sight. I have control of the application and can add pretty much anything required to the applications scope, but can not add out-of-process items like proxy servers. The client classes were generated from local WSDL, but the charset specification is derived from constants declared in the jaxws RI implementation, not the generated code. The resulting HTTP transport is thus handled by the standard http/https client from Sun JRE5 or JRE6.

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• What harm can javascript do?

  - by The King

  I just happen to read the joel's blog here... So for example if you have a web page that says “What is your name?” with an edit box and then submitting that page takes you to another page that says, Hello, Elmer! (assuming the user’s name is Elmer), well, that’s a security vulnerability, because the user could type in all kinds of weird HTML and JavaScript instead of “Elmer” and their weird JavaScript could do narsty things, and now those narsty things appear to come from you, so for example they can read cookies that you put there and forward them on to Dr. Evil’s evil site. Since javascript runs on client end. All it can access or do is only on the client end. It can read informations stored in hidden fields and change them. It can read, write or manipulate cookies... But I feel, these informations are anyway available to him. (if he is smart enough to pass javascript in a textbox. So we are not empowering him with new information or providing him undue access to our server... Just curious to know whether I miss something. Can you list the things that a malicious user can do with this security hole. Edit : Thanks to all for enlightening . As kizzx2 pointed out in one of the comments... I was overlooking the fact that a JavaScript written by User A may get executed in the browser of User B under numerous circumstances, in which case it becomes a great risk.

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• How to display table in ASP.NET website?

  - by salvationishere

  I am developing a C# VS 2008 / SQL Server 2008 website, but now I cannot display the Gridview containing my table. I included the Default.aspx and aspx.cs files below. What do I need to do to fix this? I am not getting any errors now; just that this grid does not show up. Thanks! ASPX file: <%@ Page Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" Title="Untitled Page" %> <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" Runat="Server"> <asp:Panel runat="server" ID="AuthenticatedMessagePanel"> <asp:Label runat="server" ID="WelcomeBackMessage"></asp:Label> <table> <tr > <td> <asp:Label ID="tableLabel" runat="server" Font-Bold="True" Text="Select target table:"></asp:Label> </td> <td> <asp:Label ID="inputLabel" runat="server" Font-Bold="True" Text="Select input file:"></asp:Label> </td></tr> <tr><td valign="top"> <asp:Label ID="feedbackLabel" runat="server"></asp:Label> <asp:SqlDataSource ID="SelectTables" runat="server" ConnectionString="<%$ ConnectionStrings:AdventureWorks3_SelectTables %>" SelectCommand="SELECT TABLE_NAME FROM information_schema.Tables WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA = @SchemaName"> <SelectParameters> <asp:Parameter Name="SchemaName" Type="String" DefaultValue="" /> </SelectParameters> <InsertParameters> <asp:Parameter Name="TABLE_NAME" Direction="Output" Type="String" DefaultValue="" /> </InsertParameters> </asp:SqlDataSource> <asp:GridView ID="GridView1" DatasourceID="SelectTables" runat="server" style="WIDTH: 400px;" CellPadding="4" ForeColor="#333333" GridLines="None" onselectedindexchanged="GridView1_SelectedIndexChanged" AutoGenerateSelectButton="True" DataKeyNames="TABLE_NAME"> <RowStyle BackColor="#F7F6F3" ForeColor="#333333" /> <Columns> <asp:BoundField HeaderText="TABLE_NAME" DataField="TABLE_NAME" /> </Columns> <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#999999" /> <AlternatingRowStyle BackColor="White" ForeColor="#284775" /> </asp:GridView> </td> <td valign="top"> <input id="uploadFile" type="file" size="26" runat="server" name="uploadFile" title="UploadFile" class="greybar" enableviewstate="True" /> </td></tr> </table> </asp:Panel> <asp:Panel runat="Server" ID="AnonymousMessagePanel"> <asp:HyperLink runat="server" ID="lnkLogin" Text="Log In" NavigateUrl="~/Login.aspx"> </asp:HyperLink> </asp:Panel> </asp:Content> ASPX.CS file: using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Collections.Generic; using System.IO; using System.Drawing; using System.ComponentModel; using System.Data.SqlClient; using ADONET_namespace; using System.Security.Principal; //using System.Windows; public partial class _Default : System.Web.UI.Page //namespace AddFileToSQL { //protected System.Web.UI.HtmlControls.HtmlInputFile uploadFile; protected System.Web.UI.HtmlControls.HtmlInputButton btnOWrite; protected System.Web.UI.HtmlControls.HtmlInputButton btnAppend; protected System.Web.UI.WebControls.Label Label1; protected static string inputfile = ""; public static string targettable; public static string selection; // Number of controls added to view state protected int default_NumberOfControls { get { if (ViewState["default_NumberOfControls"] != null) { return (int)ViewState["default_NumberOfControls"]; } else { return 0; } } set { ViewState["default_NumberOfControls"] = value; } } protected void uploadFile_onclick(object sender, EventArgs e) { } protected void Load_GridData() { //GridView1.DataSource = ADONET_methods.DisplaySchemaTables(); //GridView1.DataBind(); } protected void btnOWrite_Click(object sender, EventArgs e) { if (uploadFile.PostedFile.ContentLength > 0) { feedbackLabel.Text = "You do not have sufficient access to overwrite table records."; } else { feedbackLabel.Text = "This file does not contain any data."; } } protected void btnAppend_Click(object sender, EventArgs e) { string fullpath = Page.Request.PhysicalApplicationPath; string path = uploadFile.PostedFile.FileName; if (File.Exists(path)) { // Create a file to write to. try { StreamReader sr = new StreamReader(path); string s = ""; while (sr.Peek() > 0) s = sr.ReadLine(); sr.Close(); } catch (IOException exc) { Console.WriteLine(exc.Message + "Cannot open file."); return; } } if (uploadFile.PostedFile.ContentLength > 0) { inputfile = System.IO.File.ReadAllText(path); Session["Message"] = inputfile; Response.Redirect("DataMatch.aspx"); } else { feedbackLabel.Text = "This file does not contain any data."; } } protected void Page_Load(object sender, EventArgs e) { if (Request.IsAuthenticated) { WelcomeBackMessage.Text = "Welcome back, " + User.Identity.Name + "!"; // Reference the CustomPrincipal / CustomIdentity CustomIdentity ident = User.Identity as CustomIdentity; if (ident != null) WelcomeBackMessage.Text += string.Format(" You are the {0} of {1}.", ident.Title, ident.CompanyName); AuthenticatedMessagePanel.Visible = true; AnonymousMessagePanel.Visible = false; if (!Page.IsPostBack) { Load_GridData(); } } else { AuthenticatedMessagePanel.Visible = false; AnonymousMessagePanel.Visible = true; } } protected void GridView1_SelectedIndexChanged(object sender, EventArgs e) { GridViewRow row = GridView1.SelectedRow; targettable = row.Cells[2].Text; } }

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• Loading a class file immediately AFTER startup

  - by Striker

  We have a few war files deployed inside an ear file. Some of the war files have a class that caches static data from our PLM system in singletons. Since some of the classes take several minutes to load we use the load-on-startup in the web.xml to load them ahead of time. This all works fine until we attempt to re-deploy the application on our production servers. (WebLogic 10.3) We get an exception from our PLM API about a dll already being loaded. Our PLM vendor has confirmed that this is a problem and stated that they don't support using the load-on-startup. This is also a huge problem on our development boxes where we have redeploy the app all the time. Most of us, when we're not working on one of the apps that uses a cache, have them commented out. Obviously we can't do that for the production servers. Right now we transfer the ear to the production server, deploy it in the console, wait for it to crash, shut the app server instance down and then start it up again. We need to find a way around this... One suggestion was to create a servlet that we can call after the server boots that will load the various caches. While this will work I'm looking for something a bit cleaner. Is there anyway to detect once the server started and then fire off the methods? Thanks.

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