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  • Should I Learn C/C++ Even If I Just Want To Do Web Programming?

    - by Daniel
    My goal is to be able to create online apps and dynamic, database driven websites. For instance, if in the future I get the idea for the next Digg or Facebook, I want to be able to code it myself. To arrive there I think I have basically two paths: Path 1 Start at a basic level, learning C, then C++ for OOP, then algorithms and data structures, with the goal of getting a solid grasp of computer programming. Only then move to PHP/MySQL/HTTP and start working on practical programming projects. Path 2 Start directly with PHP/MySQL/HTTP and getting my hands dirty with practical projects right away. What would you guys recommend?

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  • Web app to take screen shot of website and annotate?

    - by Anagio
    Does anyone know of a website that will take a full screen shot of another website and let users write notes over it then send that annotated photo by email or private link? Basically looking for quicker way to write notes on a site other than taking a screen shot my self and putting it into photoshop. Just an update, I don't need any browser extensions which I already have and do the same. I'm looking for a website app which does this to give to a client.

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  • Best strategy to discover a web service in a local network?

    - by Ucodia
    I am currently doing some research for a project. The setup is simple, I have a computer running a service in my home network and any device connected to that same network should be able to discover the service automatically and use it. I have no specific technology requirement whether it is on the server or client side. The client knows about the service definition. Other than that I have no idea what strategy to use, what technology to look at or whether I should go for a SOAP or a HTTP based service. I think going HTTP with REST API is the best for targeting all devices but I am opened to any suggestions. Thanks.

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  • Microsoft met à jour Windows Azure Web Sites et Azure Active Directory pour la gestion d'identité et l'hébergement Web dans le Cloud

    Microsoft met à jour Windows Azure Web Sites et Azure Active Directory pour l'hébergement Web et la gestion d'identité dans le Cloud Microsoft par la voix de Scott Guthrie, Vice-président de la division serveur et Business Tools, vient d'annoncer une mise à jour de Windows Azure Web Sites ainsi que du service Windows Azure Active Directory (WAAD). [IMG]http://ftp-developpez.com/gordon-fowler/windowsazurelogo.jpg[/IMG] Azure Web Sites est une plateforme d'hébergement des sites et applications Web dans le Cloud Azure. L'objectif de l'infrastructure Azure Web Sites est de rendre l'hébergement disponible à la fois sur le Cloud et en local sur les serv...

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  • Ubuntu 12.10 brise la barrière entre PC et Web, Quantal Quetzal sort avec sa déclinaison serveur

    Ubuntu 12.10 brise la barrière entre PC et Web Quantal Quetzal sort avec Web Apps, Dash et bien plus, la version serveur de l'OS disponible Quatre mois après avoir pointé le bout de son nez en version Alpha, Ubuntu 12.10 « Quantal Quetzal » est prêt pour une utilisation par le grand public. Ubuntu 12.10 marque une étape importante de la symbiose entre Cloud, Web et Desktop entreprise par Canonical. Cette mouture fournit une intégration étroite entre les environnements de bureau, les applications Web et les plateformes de Cloud. La nouvelle fonctionnalité Web Apps du système d'exploitation offre une intégration dans le bureau des applications Web comme Twitter, Gmail ou encore Face...

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  • Default Location of Web Site Content

    - by RichyL
    I am looking to install mediawiki on a production server (after doing a test on a development one). I could not really understand why the default location for the mediawiki files is /var/lib/mediawiki. I would have thought /var/www would've made more sense. I did some research and in http://people.canonical.com/~cjwatson/ubuntu-policy/policy.html/ch-customized-programs.html#s-web-appl it says the following Web Document Root Web Applications should try to avoid storing files in the Web Document Root. Instead they should use the /usr/share/doc/package directory for documents and register the Web Application via the doc-base package. If access to the web document root is unavoidable then use /var/www Can anyone explain why this is please?

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  • When going for an interview for web development at an agency, can a real example be expected?

    - by KPO
    I just started coding a year ago. By "coding" I mean HTML(5), CSS(3), and only a few times I implemented AJAX and JavaScript. I am interviewing for a position that expects me to know HTML, CSS, JS, JQuery, and AJAX. I am good with HTML5/CSS3 and somewhat ok with js. If I go for an interview, will they expect me to write code during the interview? I do have a live website as an example and snapshots of past projects that I sent to them. I am a little nervous, so any tips or something from your experience I can learn will be helpful.

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  • axis2 web service behave differently when tested with web service client or with local test class

    - by Stefano
    Hello I need to update a facade to some web service proxy classes to a third party web service, and expose them as a service. This for two reason : to maintain the same interface for all application that need to use the system : actually its migrating and there are a few differences in the third party ws (method names); and to expose a simplified interface. The third party has provided me with a manual and some pregenerated proxy classes to their service (the java file says generated with axis2 1,4) . I've used netbeans 6.8 and the axis2 plugin to create an axis2 service . This service contains the proxy classes and the facade class which instantiate the web service proxy and calls its method; the facade class is exposed as service. I've used axis2 1.4 (at beginnig and later 1.5 ) and tomcat 6.0. The first test i did was to call the facede methods from inside the project itself and it worked. Then i've created a new project with a jax-ws web service client to call my class deployed on axis2. At this point has happened two strange thing : In the axis2 services page has appeared the third party proxy class as if it were a new service (if i try to get the wsdl axis raises an error ). eg. the proxy interface is named WebServiceAPI (_stub is the concrete class) and , after the first call to my service , i find a new "WebServicesAPI1272968932531_1" service inside axis . The call obvoiusly fail i've began to sniff soap messages with wireshark and i've found they differs when using proxy classes direclty from my facade test class by the messages created after being deployed on axis. i've noticed they differs for the presence of the soap header in the failing message. any help would be greatly appreciated : maybe i messed up something, there might be some incompatibilities or version mistakes? below i've added the signature of the third party proxy, its impementation and the different soap messages: /* * WebServicesAPI.java * This file was auto-generated from WSDL * by the Apache Axis2 version: 1.4 Built on : Apr 26, 2008 (06:24:30 EDT) */ package com.ibm.eci.wsapi; public interface WebServicesAPI { public com.ibm.eci.wsapi.ArrayOfstring getWorkItemHistory( java.lang.String stateKey,java.lang.String logonID,com.ibm.eci.wsapi.RepoItemHandle workItemHandle) throws java.rmi.RemoteException,com.ibm.eci.wsapi.ExceptionException0; ...etc the concrete class is : /** * WebServicesAPIStub.java * * This file was auto-generated from WSDL * by the Apache Axis2 version: 1.4 Built on : Apr 26, 2008 (06:24:30 EDT) */ package com.ibm.eci.wsapi; /* * WebServicesAPIStub java implementation */ public class WebServicesAPIStub extends org.apache.axis2.client.Stub implements WebServicesAPI{ protected org.apache.axis2.description.AxisOperation[] _operations; ... public com.ibm.eci.wsapi.ArrayOfstring getWorkItemHistory( java.lang.String stateKey297,java.lang.String logonID298,com.ibm.eci.wsapi.RepoItemHandle workItemHandle299) throws java.rmi.RemoteException ,com.ibm.eci.wsapi.ExceptionException0{ org.apache.axis2.context.MessageContext _messageContext = null; try{ org.apache.axis2.client.OperationClient _operationClient = _serviceClient.createClient(_operations[0].getName()); _operationClient.getOptions().setAction("\"\""); _operationClient.getOptions().setExceptionToBeThrownOnSOAPFault(true); addPropertyToOperationClient(_operationClient,org.apache.axis2.description.WSDL2Constants.ATTR_WHTTP_QUERY_PARAMETER_SEPARATOR,"&"); // create a message context _messageContext = new org.apache.axis2.context.MessageContext(); // create SOAP envelope with that payload org.apache.axiom.soap.SOAPEnvelope env = null; com.ibm.eci.wsapi.GetWorkItemHistoryE dummyWrappedType = null; env = toEnvelope(getFactory(_operationClient.getOptions().getSoapVersionURI()), stateKey297, logonID298, workItemHandle299, dummyWrappedType, optimizeContent(new javax.xml.namespace.QName("http://wsapi.eci.ibm.com", "getWorkItemHistory"))); //adding SOAP soap_headers _serviceClient.addHeadersToEnvelope(env); // set the message context with that soap envelope _messageContext.setEnvelope(env); // add the message contxt to the operation client _operationClient.addMessageContext(_messageContext); //execute the operation client _operationClient.execute(true); org.apache.axis2.context.MessageContext _returnMessageContext = _operationClient.getMessageContext( org.apache.axis2.wsdl.WSDLConstants.MESSAGE_LABEL_IN_VALUE); org.apache.axiom.soap.SOAPEnvelope _returnEnv = _returnMessageContext.getEnvelope(); java.lang.Object object = fromOM( _returnEnv.getBody().getFirstElement() , com.ibm.eci.wsapi.GetWorkItemHistoryResponseE.class, getEnvelopeNamespaces(_returnEnv)); return getGetWorkItemHistoryResponse_return((com.ibm.eci.wsapi.GetWorkItemHistoryResponseE)object); ... the failing soap message (generated by jax-ws client to the axis deployed service) is : POST /vbr_wsapi/services/WebServicesAPI.Endpoint HTTP/1.1 Content-Type: text/xml; charset=UTF-8 SOAPAction: "" User-Agent: Axis2 Host: n0611049:9083 Transfer-Encoding: chunked <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header xmlns:wsa="http://www.w3.org/2005/08/addressing"> <wsa:To>http://n0611049:9083/vbr_wsapi/services/WebServicesAPI.Endpoint</wsa:To> <wsa:MessageID>urn:uuid:A31AD99897F9045E981272964443982</wsa:MessageID><wsa:Action>""</wsa:Action> </soapenv:Header> <soapenv:Body> <ns1:initializeProps xmlns:ns1="http://wsapi.eci.ibm.com"> <props><val>client.locale=it_IT</val> </props> </ns1:initializeProps> </soapenv:Body> </soapenv:Envelope> HTTP/1.1 500 Internal Server Error Content-Type: text/xml; charset=UTF-8 Content-Language: en-US Transfer-Encoding: chunked Connection: Close Date: Tue, 04 May 2010 09:16:15 GMT Server: WebSphere Application Server/7.0 <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header xmlns:wsa="http://www.w3.org/2005/08/addressing"> <wsa:Action>http://www.w3.org/2005/08/addressing/fault</wsa:Action> <wsa:RelatesTo>urn:uuid:A31AD99897F9045E981272964443982</wsa:RelatesTo> <wsa:FaultDetail> <wsa:ProblemAction> <wsa:Action>""</wsa:Action> </wsa:ProblemAction> </wsa:FaultDetail> </soapenv:Header> <soapenv:Body> <soapenv:Fault xmlns:wsa="http://www.w3.org/2005/08/addressing"> <faultcode>wsa:ActionNotSupported</faultcode> <faultstring>The [action] cannot be processed at the receiver.</faultstring> <detail /> </soapenv:Fault> </soapenv:Body> </soapenv:Envelope> the succesful call (generated by my local test class, not being deployed to axis yet) : POST /vbr_wsapi/services/WebServicesAPI.Endpoint HTTP/1.1 Content-Type: text/xml; charset=UTF-8 SOAPAction: "" User-Agent: Axis2 Host: n0611049:9083 Transfer-Encoding: chunked <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <ns1:initializeProps xmlns:ns1="http://wsapi.eci.ibm.com"> <props> <val>client.locale=it_IT</val> </props> </ns1:initializeProps> </soapenv:Body> </soapenv:Envelope> HTTP/1.1 200 OK Content-Type: text/xml; charset=UTF-8 Content-Language: en-US Transfer-Encoding: chunked Date: Tue, 04 May 2010 09:40:03 GMT Server: WebSphere Application Server/7.0 <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <dlwmin:initializePropsResponse xmlns:dlwmin="http://wsapi.eci.ibm.com"> <return>e0e40cc51ceb0adf96c582bb6e047b3d0f</return> </dlwmin:initializePropsResponse> </soapenv:Body> </soapenv:Envelope> POST /vbr_wsapi/services/WebServicesAPI.Endpoint HTTP/1.1 Content-Type: text/xml; charset=UTF-8 SOAPAction: "" User-Agent: Axis2 Host: n0611049:9083 Transfer-Encoding: chunked <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <ns1:logon xmlns:ns1="http://wsapi.eci.ibm.com"> <stateKey>e0e40cc51ceb0adf96c582bb6e047b3d0f</stateKey> <systemID>----</systemID> <authBundle> <password>-----</password> <sealed>false</sealed> <username>---</username> </authBundle> </ns1:logon> </soapenv:Body> </soapenv:Envelope> HTTP/1.1 200 OK Content-Type: text/xml; charset=UTF-8 Content-Language: en-US Transfer-Encoding: chunked Date: Tue, 04 May 2010 09:40:21 GMT Server: WebSphere Application Server/7.0 <?xml version='1.0' encoding='UTF-8'?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <dlwmin:logonResponse xmlns:dlwmin="http://wsapi.eci.ibm.com"> <return>e0e40cc51ceb0adf96c582bb6e047b3d10</return> </dlwmin:logonResponse> </soapenv:Body> </soapenv:Envelope> ... goes on with other calls

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  • WCF Web Service Gives 404 error in Azure

    - by landyman
    I'm new to using WCF and Azure, but I have a WCF Web Service that works correctly when debugging in Visual Studio. I set the startup project to Azure, and I get 404 errors for any URL I try related to the service. Here is what I think is relavant code: From IWebService.cs [OperationContract] [WebGet(UriTemplate = "GetData/Xml?value={value}", ResponseFormat=WebMessageFormat.Xml)] string GetDataXml(string value); and from Web.config: <system.serviceModel> <services> <service name="WebService" behaviorConfiguration="WebServiceBehavior"> <!-- Service Endpoints --> <endpoint address="" binding="webHttpBinding" contract="IWebService" behaviorConfiguration="WebEndpointBehavior"></endpoint> <endpoint address="ws" binding="wsHttpBinding" contract="IWebService"/> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WebServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="true"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="WebEndpointBehavior"> <webHttp/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> I have tried changing the binding to 'basicHttpBinding', but that had no luck. Thanks in advance for any help!

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  • Visual Studio 2010 Web Deployment

    - by Cranialsurge
    I am trying to use VS2010's 1-Click Publish feature to deploy a test site from my laptop to my server. I have the firewall turned off on both machines and the MS Deployment Service is up and running on both my laptop and the server. However when I try and publish from VS2010 on my laptop I get the following error Error 1 Web deployment task failed.(Remote agent (URL https://192.168.1.181/:8172/msdeploy.axd?site=LocationsTest) could not be contacted. Make sure the remote agent service is installed and started on the target computer.) The requested resource does not exist, or the requested URL is incorrect. Error details: Remote agent (URL https://192.168.1.181/:8172/msdeploy.axd?site=LocationsTest) could not be contacted. Make sure the remote agent service is installed and started on the target computer. An unsupported response was received. The response header 'MSDeploy.Response' was '' but 'v1' was expected. The remote server returned an error: (404) Not Found. 0 0 Test.Web Any idea what I am doing wrong here ?

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  • While porting a windows application to web, is it better to stick to conventional web technologies o

    - by Kabeer
    Hello. The web based application I am working on currently is a port from a windows application. This application is very data intensive. There are scores of modules and each of these modules have number of forms (data entry screens) and reports whereas the forms have many many fields and likewise the reports. I have been trying to identify the most suitable architecture for the presentation tier. There are many functions that are not very easily portable, for example printing (this too is very complex). For most of the others, I am planning to us "Ext JS" library which looks like capable of handling about 70% of complexity out of the box while for the remaining I would be custom coding or extending Ext JS. Having said that (sorry for being so descriptive), I wonder, if this is an Intranet application, why not port the entire application to SilverLight? While I am good at .Net, I'm somewhat alien to SilverLight. Considering I know my target audience and that the software will be used per seat license, would it be better to ride on SilverLight or is it better to stick to conventional web (XHTML, JS, CSS, etc)? Further, I have to support multiple devices in future and considering that SilverLight plug-ins for many devices are yet not out, would it be a risk?

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  • Open Source Web Frameworks : Security

    - by trappedIntoCode
    How secure are popular open source web frameworks? I am particularly interested in popular frameworks like Rails and DJango. If I am building a site which is going to do heavy e-commerce, is it Ok to use frameworks like DJango and Satchmo? Is security compromised because their open architecture ? I know being OS does not mean being down right open to hackers, Linux uses superb authentication mechanism, but web is a different game. What can be done in this regard? UPDATE: Thanks for answers guys. I understand that I will have to find a suitable hosting service for a secure e-commerce application and that additional layers of security will be needed. I understand that Django and Rails have been designed keeping security aspects in mind, the most common form attacks like XSS, Injections etc. (Django book has a ch on Security) I was expecting comments from security Gurus. If you are a security Guru, would you recommend an important site, which is likely going to be popular, to be built on DJango or Rails?

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  • web.xml - Java Servlet Filters and WebSphere - URL Pattern issues

    - by Ed
    Hi, So we are running a web application that has been tested on Tomcat, Glassfish, WebLogic and WebSphere. All run correctly except WebSphere. The issue is that filters are not processed for files under a certain directory. For example I have a filter that checks the user's lanuage from browser cookies and another that get the user's username, in the web.xml there are configured like so: <!-- ****************************** --> <!-- * Security context filtering * --> <!-- ****************************** --> <filter> <filter-name>SetSecurityContextFilter</filter-name> <filter-class> com.test.security.SecurityContextServletFilter </filter-class> </filter> <!-- ****************************** --> <!-- ** Locale context filtering ** --> <!-- ****************************** --> <filter> <filter-name>SetLocaleFilter</filter-name> <filter-class> com.test.locale.LocaleServletFilter </filter-class> </filter> <filter-mapping> <filter-name>SetSecurityContextFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>SetLocaleFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> Both filters set a static threadlocal variable which can be accessed from a static getter, but when the same file 'test.jsp' invokes the getters, under 'contextroot/js' they return the default values (as if unset) while under 'contextroot/pages' they are correct. Any ideas? Thanks in advance.

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  • Can not call web service with basic authentication using WCF

    - by RexM
    I've been given a web service written in Java that I'm not able to make any changes to. It requires the user authenticate with basic authentication to access any of the methods. The suggested way to interact with this service in .NET is by using Visual Studio 2005 with WSE 3.0 installed. This is an issue, since the project is already using Visual Studio 2008 (targeting .NET 2.0). I could do it in VS2005, however I do not want to tie the project to VS2005 or do it by creating an assembly in VS2005 and including that in the VS2008 solution (which basically ties the project to 2005 anyway for any future changes to the assembly). I think that either of these options would make things complicated for new developers by forcing them to install WSE 3.0 and keep the project from being able to use 2008 and features in .NET 3.5 in the future... ie, I truly believe using WCF is the way to go. I've been looking into using WCF for this, however I'm unsure how to get the WCF service to understand that it needs to send the authentication headers along with each request. I'm getting 401 errors when I attempt to do anything with the web service. This is what my code looks like: WebHttpBinding webBinding = new WebHttpBinding(); ChannelFactory<MyService> factory = new ChannelFactory<MyService>(webBinding, new EndpointAddress( "http://127.0.0.1:80/Service/Service/")); factory.Endpoint.Behaviors.Add(new WebHttpBehavior()); factory.Credentials.UserName.UserName = "username"; factory.Credentials.UserName.Password = "password"; MyService proxy = factory.CreateChannel(); proxy.postSubmission(_postSubmission); This will run and throw the following exception: "The HTTP request is unauthorized with client authentication scheme 'Anonymous'. The authentication header received from the server was 'Basic realm=realm'." And this has an inner exception of: "The remote server returned an error: (401) Unauthorized." Any thoughts about what might be causing this issue would be greatly appreciated.

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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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  • Compressing a web service response for jQuery

    - by SirDemon
    I'm attempting to gzip a JSON response from an ASMX web service to be consumed on the client-side by jQuery. My web.config already has httpCompression set like so: (I'm using IIS 7) <httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files" staticCompressionDisableCpuUsage="90" staticCompressionEnableCpuUsage="60" dynamicCompressionDisableCpuUsage="80" dynamicCompressionEnableCpuUsage="50"> <dynamicTypes> <add mimeType="application/javascript" enabled="true" /> <add mimeType="application/x-javascript" enabled="true" /> <add mimeType="text/css" enabled="true" /> <add mimeType="video/x-flv" enabled="true" /> <add mimeType="application/x-shockwave-flash" enabled="true" /> <add mimeType="text/javascript" enabled="true" /> <add mimeType="text/*" enabled="true" /> <add mimeType="application/json; charset=utf-8" enabled="true" /> </dynamicTypes> <staticTypes> <add mimeType="application/javascript" enabled="true" /> <add mimeType="application/x-javascript" enabled="true" /> <add mimeType="text/css" enabled="true" /> <add mimeType="video/x-flv" enabled="true" /> <add mimeType="application/x-shockwave-flash" enabled="true" /> <add mimeType="text/javascript" enabled="true" /> <add mimeType="text/*" enabled="true" /> </staticTypes> <scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" /> </httpCompression> <urlCompression doDynamicCompression="true" doStaticCompression="true" /> Through fiddler I can see that normal aspx and other compressions work fine. However, the jQuery ajax request and response work as they should, only nothing gets compressed. What am I missing?

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  • Migrating to web application with AjaxControlToolkit

    - by Chris
    Hi All, We are currently migrating our ASP.NET website to a web application in Visual Studio 2008. Most of the process has been fairly straight forward, but I have hit one block that is driving me a bit nuts. We are using the AjaxControlToolkit for some functionality, specifically an AutoControlExtender. When this is run locally through VS's development server the extender (dropdown) does not render after the service returns the resultset. However if I deploy the migrated solution to our UAT server the extender functions correctly. I have ensured the Ajax Control Toolkit is properly installed locally on my dev machine (and the dll available in the bin directory), and using debugging have ensured the service is called correctly and runs through without error (which it does). The web application was taken from a server running IIS7. Can anyone confirm if Visual Studio 2008 development server requires a different configuration to IIS 7 (as I believe IIS 6 requires a different configuration to IIS 7), and if there is a resource that provides more info? My own searches have turned up very little in this area. On the other hand, if I am looking in the wrong area any other tips would be appreciated. Thanks Chris

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  • Find the flaws in the concept...

    - by Trindaz
    A web based web browser. Sounds silly right? Here's a use case. All comments about what could go wrong, and if anyone has tried and failed at this, very much wanted User goes to www.theBrowser.com and logs in with credentials specific to theBrowser.com. User tells theBrowser what their username and password for various sites are User goes to theBrowser.com/?uri=somesite.com theBrowser sends off the http request with User's log in details, then sends the http response back to User. This lets theBrowser do weird and wonderful functions like change colours / style sheets / etc. to every site that gets passed through it. From a technical stand point, storing username and password and passing them along is not a challenge for one user, but if there were a few, I'd have to use some kind of server based browser software to store a session per user logged in at theBrowser.com. How could I do that? Will I have to start from scratch? Obviously privacy and security are issues. Would theBrowser.com be too great a risk, even if users are fully warned? Cheers, Dave

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  • full duplex communication over the web w/o flash sockets

    - by aharon
    A web application I'm helping to develop is faced with a well-known problem: we want to be able to let users know of various events and so forth that can occur at any time, essentially at random, and update their view accordingly. Essentially, we need to allow the server to push requests to individual clients, as opposed to the client asking the server. I understand that WebSockets are an effort to address the problem; however, after a bit of looking around into them, I understand that a) very few web browsers currently offer native websocket support; b) to get around this, you either use flash sockets or some sort of AJAX long-polling; c) a special websockets server must be used. Now, we want to offer our service without Flash. And any sort of servers must have some sort of load-balancing capabilities, or at least some software that can do load balancing for them. As of 2008, everyone was saying that Comet-based solutions (e.g., Bayeux) were the way to go for these sort of situations. However, the various protocols seem to have not had much work put into them since then—which leads (finally) to the question. Is Bayeux-flavored Comet still the right tool for jobs like this? If not, what is?

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  • Fastest Method to Learn Web Design for a Developer

    - by hekevintran
    I am a Web developer and in my projects I have noticed that my weakest point is not being good at the front-end design. Relying on other designers can be annoying if they are not able to produce as quickly as I want. My perspective on HTML/CSS is that it is basically a big hack that amazingly works. There are too many CSS and browser specific bugs/quirks to learn and remember them all without spending extreme amounts of time trying to untangle everything. Is there a fast track route to getting CSS into my brain? I have looked at some CSS books, but to me they really read as long lists of how to render things correctly in IE6 and how to make corners rounded. (Seriously why does it require so many tricks to make a sharp corner round? On any platform but the Web this would be called a major oversight.) Does there exist something that does the analogous to CSS that jQuery does for JavaScript? Using jQuery you don't need to know JavaScript well to make things that work. I am not interested in learning why IE6 does things in weird ways because I don't care about supporting it at all. I am more interested in a method of learning how to use CSS to do what I want without spending hours and hours reading obscure blogs.

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  • Using hg repository as web site

    - by Tex
    This is somewhat related to my security question here. Is it a bad idea to use an hg / mercurial repository for a live website? If so, why? Furthermore, we have dev, test and production installations of our website, like dev.example.com, test.example.com and www.example.com. If it's a bad idea to use a repository for a live/production website, would it be OK to use an hg repository for the dev and test sites? I'm also concerned about ease of deployment. We have technical and less technical co-workers who will be working with the site. The technical guys (software engineers) won't have any problem working with the command line or TortoiseHG. I'm more concerned about the less technical guys (web designers). They won't be comfortable working on the command line, and may even find TortoiseHG daunting. These guys mostly upload .css files and images to the server. I'd like for these files (at least the .css files) to be under version control, but I want this to be as transparent as possible for the non technical guys. What's the best way to achieve this? Edit: Our 'site' is actually a multi-site CMS setup with a main repository and several subrepositories. Mock-up of the repository structure: /root [main repository containing core files and subrepositories] /modules [modules subrepository] /sites/global [subrepository for global .css and .php files] /sites/site1 [site1 subrepository] ... /sites/siteN [siteN subrepository] Software engineers would work in the root, modules and sites/global repositories. Less technical guys (web designers) would work only in the site1 ... siteN subrepositories.

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  • Web Service Client in JBOSS 5.1 with JDK6

    - by dcp
    This is a continuation of the question here: http://stackoverflow.com/questions/2435286/jboss-does-app-have-to-be-compiled-under-same-jdk-as-jboss-is-running-under It's different enough though that it required a new question. I am trying to use jdk6 to run JBOSS 5.1, and I downloaded the JDK6 version of JBOSS 5.1. This works fine and my EAR application deploys fine. However, when I want to run a web service client with code like this: public static void main(String[] args) throws Exception { System.out.println("creating the web service client..."); TestClient client = new TestClient("http://localhost:8080/tc_test_project-tc_test_project/TestBean?wsdl"); Test service = client.getTestPort(); System.out.println("calling service.retrieveAll() using the service client"); List<TestEntity> list = service.retrieveAll(); System.out.println("the number of elements in list retrieved using the client is " + list.size()); } I get the following exception: javax.xml.ws.WebServiceException: java.lang.UnsupportedOperationException: setProperty must be overridden by all subclasses of SOAPMessage at org.jboss.ws.core.jaxws.client.ClientImpl.handleRemoteException(ClientImpl.java:396) at org.jboss.ws.core.jaxws.client.ClientImpl.invoke(ClientImpl.java:302) at org.jboss.ws.core.jaxws.client.ClientProxy.invoke(ClientProxy.java:170) at org.jboss.ws.core.jaxws.client.ClientProxy.invoke(ClientProxy.java:150) Now, here's the really interesting part. If I change the JDK that my the code above is running under from JDK6 to JDK5, the exception above goes away! It's really strange. The only way I found for the code above to run under JDK6 was to take the JBOSS_HOME/lib/endorsed folder and copy it to JDK6_HOME/lib. This seems like it shouldn't be necessary, but it is. Is there any other way to make this work other than using the workaround I just described?

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  • Which Java Framework is best suited for a web application with reusable content/behavior

    - by Jacob
    I come from a .NET background and need to do a web project in Java. I have read a bit on all the different Java web frameworks out there: JSF, Stripes, Wicket, Tapestry etc. But I would like to hear from people with real-life expertise with these frameworks. Of course I want a framework that is up to date, supports AJAX, is cool and so on, but one of my main criteria is the ability to somehow create reusable components / tags. The customer needs to be able to move tags/components around without too much problem in order to customize it for their specific needs. In ASP.NET Webforms I would use custom controls and user controls for this, and in ASP.NET MVC I would use user controls as well as home made custom controls. So what Java frameworks excel in this? My own superficial research seems to conclude that JSF supports some kind of custom controls (Bear in mind i am not only talking about layout reuse, but also behavior reuse, so if for example the customer / client wants a customer list on page x and not only on page Y, he would simply put in a <jr:CustomerList runat="server" .... /> (fictional example with ASP.NET Webforms syntax)).

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  • Maintain List of Active Users for Web

    - by Bryan Marble
    Problem Statement - Would like to know if particular web app user is active (i.e. logged in and using site) and be able to query for list of active users or determine a user's activity status. Constraints - Doesn't need to be exact (i.e. if a user was active within a certain timeframe, that's ok to say that they're active even if they've closed their browser). I feel like there should be a design pattern for this type of problem but haven't been able to find anything here or elsewhere on the web. Approaches I'm considering: Maintain a table that is updated any time a user performs an action (or some subset of actions). Would then query for users that have performed an action within some threshold of time. Try to monitor session information and maintain a table that lists logged in users and times out after a certain period of time. Some other more standard way of doing this? How would you approach this problem (again, from a design pattern perspective)? Thanks!

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