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• Developing an internet-enabled application as a Kiosk on Windows 7

  - by maple_shaft

  I am finalizing development of a desktop Java application that communicates with an outside web server, and now I need to start seriously considering deployment. This application will run on a large touchscreen all-in-one workstation running Windows 7. It will be located in a public-area and thus must be LOCKED-DOWN Hanibal Lecter style. Early in the project nobody really concerned themselves with this fact just assuming that we can buy some magical software for Windows 7 that will automatically take care of all this, however I am finding now that this looks to be a LOT more complicated than my manager ever thought. I need to: - Lock down the standard hot-keys (ALT+TAB, ALT+CTRL+DEL, etc...) Prevent the user from opening ANY programs other than the kiosk application and its spawned executables Prevent the user from closing the application Start the kiosk application on startup (this can be done without kiosk software) Auto-login to Windows on reboot (Windows Updates, power failure, bratty kid pressing the power button, etc...) Administrator passcode escape sequence for routine maintenance by desktop support professionals. To my dismay I am having a really hard time finding software that contains the whole package and am finding numerous swaths of competing information on the best way to do this. I am not necessarily looking for free or open source software and am willing to pay for software that can help me achieve this. Have any of you ever wrote kiosk software before and if so what approaches have you taken to do this?

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• How do I configure a C# web service client to send HTTP request header and body in parallel?

  - by Christopher

  Hi, I am using a traditional C# web service client generated in VS2008 .Net 3.5, inheriting from SoapHttpClientProtocol. This is connecting to a remote web service written in Java. All configuration is done in code during client initialization, and can be seen below: ServicePointManager.Expect100Continue = false; ServicePointManager.DefaultConnectionLimit = 10; var client = new APIService { EnableDecompression = true, Url = _url + "?guid=" + Guid.NewGuid(), Credentials = new NetworkCredential(user, password, null), PreAuthenticate = true, Timeout = 5000 // 5 sec }; It all works fine, but the time taken to execute the simplest method call is almost double the network ping time. Whereas a Java test client takes roughly the same as the network ping time: C# client ~ 550ms Java client ~ 340ms Network ping ~ 300ms After analyzing the TCP traffic for a session discovered the following: Basically, the C# client sent TCP packets in the following sequence. Client Send HTTP Headers in one packet. Client Waits For TCP ACK from server. Client Sends HTTP Body in one packet. Client Waits For TCP ACK from server. The Java client sent TCP packets in the following sequence. Client Sends HTTP Headers in one packet. Client Sends HTTP Body in one packet. Client Revieves ACK for first packet. Client Revieves ACK for second packet. Client Revieves ACK for second packet. Is there anyway to configure the C# web service client to send the header/body in parallel as the Java client appears to? Any help or pointers much appreciated.

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• Proxied calls not working as expected

  - by AndyH

  I have been modifying an application to have a cleaner client/server split to allow for load splitting and resource sharing etc. Everything is written to an interface so it was easy to add a remoting layer to the interface using a proxy. Everything worked fine. The next phase was to add a caching layer to the interface and again this worked fine and speed was improved but not as much as I would have expected. On inspection it became very clear what was going on. I feel sure that this behavior has been seen many times before and there is probably a design pattern to solve the problem but it eludes me and I'm not even sure how to describe it. It is easiest explained with an example. Let's imagine the interface is interface IMyCode { List<IThing> getLots( List<String> ); IThing getOne( String id ); } The getLots() method calls getOne() and fills up the list before returning. The interface is implemented at the client which is proxied to a remoting client which then calls the remoting server which in turn calls the implementation at the server. At the client and the server layers there is also a cache. So we have :- Client interface | Client cache | Remote client | Remote server | Server cache | Server interface If we call getOne("A") at the client interface, the call is passed to the client cache which faults. This then calls the remote client which passes the call to the remote server. This then calls the server cache which also faults and so the call is eventually passed to the server interface which actually gets the IThing. In turn the server cache is filled and finally the client cache also. If getOne("A") is again called at the client interface the client cache has the data and it gets returned immediately. If a second client called getOne("B") it would fill the server cache with "B" as well as it's own client cache. Then, when the first client calls getOne("B") the client cache faults but the server cache has the data. This is all as one would expect and works well. Now lets call getLots( [ "C", "D" ] ). This works as you would expect by calling getOne() twice but there is a subtlety here. The call to getLots() cannot directly make use of the cache. Therefore the sequence is to call the client interface which in turn calls the remote client, then the remote server and eventually the server interface. This then calls getOne() to fill the list before returning. The problem is that the getOne() calls are being satisfied at the server when ideally they should be satisfied at the client. If you imagine that the client/server link is really slow then it becomes clear why the client call is more efficient than the server call once the client cache has the data. This example is contrived to illustrate the point. The more general problem is that you cannot just keep adding proxied layers to an interface and expect it to work as you would imagine. As soon as the call goes 'through' the proxy any subsequent calls are on the proxied side rather than 'self' side. Have I failed to learn or not learned something correctly? All this is implemented in Java and I haven't used EJBs. It seems that the example may be confusing. The problem is nothing to do with cache efficiencies. It is more to do with an illusion created by the use of proxies or AOP techniques in general. When you have an object whose class implements an interface there is an assumption that a call on that object might make further calls on that same object. For example, public String getInternalString() { return InetAddress.getLocalHost().toString(); } public String getString() { return getInternalString(); } If you get an object and call getString() the result depends where the code is running. If you add a remoting proxy to the class then the result could be different for calls to getString() and getInternalString() on the same object. This is because the initial call gets 'deproxied' before the actual method is called. I find this not only confusing but I wonder how I can control this behavior especially as the use of the proxy may be by a third party. The concept is fine but the practice is certainly not what I expected. Have I missed the point somewhere?

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• Node.js Lockstep Multiplayer Architecture

  - by Wakaka

  Background I'm using the lockstep model for a multiplayer Node.js/Socket.IO game in a client-server architecture. User input (mouse or keypress) is parsed into commands like 'attack' and 'move' on the client, which are sent to the server and scheduled to be executed on a certain tick. This is in contrast to sending state data to clients, which I don't wish to use due to bandwidth issues. Each tick, the server will send the list of commands on that tick (possibly empty) to each client. The server and all clients will then process the commands and simulate that tick in exactly the same way. With Node.js this is actually quite simple due to possibility of code sharing between server and client. I'll just put the deterministic simulator in the /shared folder which can be run by both server and client. The server simulation is required so that there is an authoritative version of the simulation which clients cannot alter. Problem Now, the game has many entity classes, like Unit, Item, Tree etc. Entities are created in the simulator. However, for each class, it has some methods that are shared and some that are client-specific. For instance, the Unit class has addHp method which is shared. It also has methods like getSprite (gets the image of the entity), isVisible (checks if unit can be seen by the client), onDeathInClient (does a bunch of stuff when it dies only on the client like adding announcements) and isMyUnit (quick function to check if the client owns the unit). Up till now, I have been piling all the client functions into the shared Unit class, and adding a this.game.isServer() check when necessary. For instance, when the unit dies, it will call if (!this.game.isServer()) { this.onDeathInClient(); }. This approach has worked pretty fine so far, in terms of functionality. But as the codebase grew bigger, this style of coding seems a little strange. Firstly, the client code is clearly not shared, and yet is placed under the /shared folder. Secondly, client-specific variables for each entity are also instantiated on the server entity (like unit.sprite) and can run into problems when the server cannot instantiate the variable (it doesn't have Image class like on browsers). So my question is, is there a better way to organize the client code, or is this a common way of doing things for lockstep multiplayer games? I can think of a possible workaround, but it does have its own problems. Possible workaround (with problems) I could use Javascript mixins that are only added when in a browser. Thus, in the /shared/unit.js file in the /shared folder, I would have this code at the end: if (typeof exports !== 'undefined') module.exports = Unit; else mixin(Unit, LocalUnit); Then I would have /client/localunit.js store an object LocalUnit of client-side methods for Unit. Now, I already have a publish-subscribe system in place for events in the simulator. To remove the this.game.isServer() checks, I could publish entity-specific events whenever I want the client to do something. For instance, I would do this.publish('Death') in /shared/unit.js and do this.subscribe('Death', this.onDeathInClient) in /client/localunit.js. But this would make the simulator's event listeners list on the server and the client different. Now if I want to clear all subscribed events only from the shared simulator, I can't. Of course, it is possible to create two event subscription systems - one client-specific and one shared - but now the publish() method would have to do if (!this.game.isServer()) { this.publishOnClient(event); }. All in all, the workaround off the top of my head seems pretty complicated for something as simple as separating the client and shared code. Thus, I wonder if there is an established and simpler method for better code organization, hopefully specific to Node.js games.

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• Do you charge a client for email and chat communication as a freelancer? [closed]

  - by skyork

  For a project that is billed by hours, should a freelancer charge the client for the amount of time he/she spends on email/chat correspondence? For example, the client sends an email to the the freelancer, outlining the requirements. Should the freelancer charge the client for the time during which he/she reads the email and writes a reply. The same goes for chat conversations for clarifying the requirements. In particular, if the freelancer's English is not very good, so that he/she spends extra time on understanding what the client wants and explaining him/herself (e.g. copying and pasting into Google Translate), should such time be charged to the client too?

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• What is the equivalent of Application.ProcessMessages, Application.Handle and Application.Terminated

  - by DavidB

  Hi, I am new to Writing Windows Service apps and having problems. Written in Delphi, I have written a normal windows application to check and debug the major parts of the code and now have to convert it to an NT Service. My code has to launch a windows application which I do using the following code. function Run_Program : boolean; var SEInfo : TShellExecuteInfo; ExitCode : DWORD; begin Result := false; FillChar(SEInfo, SizeOf(SEInfo),0); SEInfo.cbSize :=SizeOf(TShellExecuteInfo); With SEInfo do begin fMask := SEE_MASK_NOCLOSEPROCESS; Wnd := **Application.Handle**; lpFile := PChar(Exe_Prog); lpParameters := PChar(Exe_Param); nShow := SW_SHOWNORMAL; end; If ShellExecuteEx(@SEInfo) then begin repeat Application.ProcessMessages; GetExitCodeProcess(SEInfo.hProcess, ExitCode); until (ExitCode <> STILL_ACTIVE) OR Application.Terminated OR NOT q1.fieldbyName('Delay').AsBoolean; If ExitCode <> STILL_ACTIVE then Record_Event(Exe_Prog + ' completed ') else Record_Event(Exe_Prog + ' activated '); Result := true; end else Record_Event('Error Starting '+ Exe_Prog+ ' '); end; When this is put in the service app the compiler fails with 3 errors: Undeclared identifiers.. 1) Handle 2) ProcessMessages and 3) Terminated. My question is.. are there equivalent procedures that can be used in a service application or should I approach the problem differently in a service application? Any help would be appreciated

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• desktop module for existing web application

  - by maxxxee

  My client has a running web application which has been online for more than a year. Recently the client has introduced smart cards for his employees. Because of the difficulty in integrating smart card with its api on a web interface(i will post another detailed question on this later) we are planning to have desktop interface for this. There are 10-20 terminals which will use the desktop interface. 3 approaches for doing this that I have considered : Direct connection and operations on DB-Not using this because of data integrity and consistency issues. Build web service end points and use it from desktop interface Build a dll with common functions and use from both web and desktop Questions: 1. What are your opinions based on 2 and 3 approach? 2. Any other approach that I should consider? Note: I am using .Net framework, web application in asp.net

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• Microsoft and Application Architectures

  Microsoft has dealt with several kinds of application architectures to include but not limited to desktop applications, web applications, operating systems, relational database systems, windows services, and web services. Because of the size and market share of Microsoft, virtually every modern language works with or around a Microsoft product. Some of the languages include: Visual Basic, VB.Net, C#, C++, C, ASP.net, ASP, HTML, CSS, JavaScript, Java and XML. From my experience, Microsoft strives to maintain an n-tier application standard where an application is comprised of multiple layers that perform specific functions, for example: presentation layer, business layer, data access layer are three general layers that just about every formally structured application contains. The presentation layer contains anything to do with displaying information to the screen and how it appears on the screen. The business layer is the middle man between the presentation layer and data access layer and transforms data from the data access layer in to useable information to be stored later or sent to an output device through the presentation layer. The data access layer does as its name implies, it allows the business layer to access data from a data source like MS SQL Server, XML, or another data source. One of my favorite technologies that Microsoft has come out with recently is the .Net Framework. This framework allows developers to code an application in multiple languages and compiles them in to one intermediate language called the Common Language Runtime (CLR). This allows VB and C# developers to work seamlessly together as if they were working in the same project. The only real disadvantage to using the .Net Framework is that it only natively runs on Microsoft operating systems. However, Microsoft does control a majority of the operating systems currently installed on modern computers and servers, especially with personal home computers. Given that the Microsoft .Net Framework is so flexible it is an ideal for business to develop applications around it as long as they wanted to commit to using Microsoft technologies and operating systems in the future. I have been a professional developer for about 9+ years now and have seen the .net framework work flawlessly in just about every instance I have used it. In addition, I have used it to develop web applications, mobile phone applications, desktop applications, web service applications, and windows service applications to name a few.

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• How to HIDE "client denied by server configuration:" error in log

  - by Keith

  I want to block access to my web server by default as a precaution but I keep getting the following errors showing up in my error log. [Wed Jun 27 23:30:54 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Edu.jar [Wed Jun 27 23:32:40 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/REST.jar [Wed Jun 27 23:35:39 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Set.jar [Thu Jun 28 01:01:17 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxyheader.php [Thu Jun 28 02:34:57 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxy.php [Thu Jun 28 05:41:33 2012] [error] [client 58.218.199.227] client denied by server configuration: /home/www/default/proxyheader.php [Thu Jun 28 06:55:10 2012] [error] [client 180.76.6.20] client denied by server configuration: /home/www/default/ [Thu Jun 28 07:31:26 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Edu.jar [Thu Jun 28 07:32:25 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/REST.jar [Thu Jun 28 07:36:10 2012] [error] [client 86.77.20.107] client denied by server configuration: /home/www/default/Set.jar I don't really want these errors to show up but whatever I do, I can't get rid of them. Does anyone know how I can achieve this? Here is a copy of my configuration. <VirtualHost *:80> DocumentRoot /home/www/default <Directory /> AllowOverride None Order Deny,Allow Deny from all </Directory> #ErrorLog /var/log/apache2/error.log #LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost>

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• Error when starting .Net-Application from ThinApp-Application

  - by user50209

  one of our customers uses SAP through VMWare ThinApp. In SAP there is a button that launches an .Net application from a server. When starting the .Net-application directly, there is no error. If the user tries to start the application by clicking the button in the ThinApp-Application, it displays the following errors: Microsoft Visual C++ Runtime Library R6034 An application has made an attempt to load the C runtime library incorrectly. Please contact the application's support team for more information. After clicking "OK" it displays: Microsoft Visual C++ Runtime Library Runtime Error! R6030 - CRT not initialized So, does the customer have to install some components into his ThinApp (if yes, which?) to get things working? Regards, inno ----- [EDIT] ----- @Sean: It's installed the following way: The .exe of the .Net-Application is on a mapped drive on a server. All clients have the requirements installed (.Net-framework for example) and start the .exe from the mapped drive. The ThinApp-Application tries to start this application and throws the mentioned exceptions. AFAIK there are no entry points for this application configured. What I should also mention is: The .Net-Application crashes during execution. That means, we have a debug mode implemented that shows what the application is doing. The application shows what it's doing and after some steps it crashes. The interesting point is: It's a .Net-application, not a C++ Application.

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• configuring linux console email client to check attachments

  - by Christopher

  I need to configure a IMAP4 capable (console-based) email client to - check and edit the name of an attachment ("contains umlauts?" - change character ä to ae) - delete emails that don't fit certain requirements (not PDF, DOC,... not from domain xyz.com) Whether the client can do everything by itself or can just trigger a script on incoming mail doesn't matter. Anyone have an idea with mail client would be suitable for such a task?

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• Free tools for analyzing client-server communication issues

  - by roberto

  Hi, we have some issues with a client-server based application and we would like to better understand client-server communication without going to the software company that sold the application. At least we would like to perform the analysis in parallel. Can you suggest to me a dummy proof application that we can easily get and install to analyze client-server traffic? Many thanks!

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• Free tools for analizing client-server comunication issues

  - by roberto

  Hi, we have some issues with a client-server based application and we would like to better understand client-server comunication without going to the software company that sold the application. At least we would like to perform the analysis in parallel. Can you suggest to me a dummy proof application that we can easily get and install to analise client-server traffic? Many thanks!

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• Web Servicet 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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• Wordpress content authoring tutorial for non-techie client....

  - by metal-gear-solid

  I made a website for client in wordpress and client will ad ur own content. Client doesn't know how to handle Wordpress and XHTML CSS. but he knows MS word 2007. Client is on remote location.Is there any easy to understand article/video tutorials to give to client on how he can understand wordpress admin and add content/images/video using editor? and how to disable unneeded things for client from wordpress admin ?

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• Implementing client callback functionality in WCF

  - by PoweredByOrange

  The project I'm working on is a client-server application with all services written in WCF and the client in WPF. There are cases where the server needs to push information to the client. I initially though about using WCF Duplex Services, but after doing some research online, I figured a lot of people are avoiding it for many reasons. The next thing I thought about was having the client create a host connection, so that the server could use that to make a service call to the client. The problem however, is that the application is deployed over the internet, so that approach requires configuring the firewall to allow incoming traffic and since most of the users are regular users, that might also require configuring the router to allow port forwarding, which again is a hassle for the user. My third option is that in the client, spawns a background thread which makes a call to the GetNotifications() method on server. This method on the server side then, blocks until an actual notification is created, then the thread is notified (using an AutoResetEvent object maybe?) and the information gets sent to the client. The idea is something like this: Client private void InitializeListener() { Task.Factory.StartNew(() => { while (true) { var notification = server.GetNotifications(); // Display the notification. } }, CancellationToken.None, TaskCreationOptions.LongRunning, TaskScheduler.Default); } Server public NotificationObject GetNotifications() { while (true) { notificationEvent.WaitOne(); return someNotificationObject; } } private void NotificationCreated() { // Inform the client of this event. notificationEvent.Set(); } In this case, NotificationCreated() is a callback method called when the server needs to send information to the client. What do you think about this approach? Is this scalable at all?

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• Comunication from Server to Client + Client LAN

  - by Filipe YaBa Polido

  I'm having some trouble with some network setup. I've tried OpenVPN, SocialVPN, Hamachi, still it is not working. This is my setup: Server A: NIC 1 with internet public address, NIC 2 to LAN Client B PC: NIC 1 (192.168.10.2) connects to router 192.168.10.1 Client B Device: 192.168.10.3 (Configured via software, can't do much here) Problem: Server A must connect to cliente device B. (I can install software needed at Client B PC). However... I can't change the router to some model with VPN like Draytek or Cisco :( OpenVPN fails at bridging, PC B can ping Server A, but Server A can't ping Device B, only PC B. What else can I do?!?!?

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• Client side certificates in client browsers with unix server for management

  - by user146253

  We are currently running Unix dedicated servers for everything (Web cluster, database, FTP, batch, ...) except for a Microsoft Active Directory Certificate Services. The sole purpose of this Windows box is to provide client side certificates to our clients browsers. All our clients are required to install a client side certificate on order for them to be able to access our website. Is there an alternative in the Unix space? The purpose is to make sure only the approved hardware of an approved client can access our website. I'm open for any solution that provides me with this level of security. We are however talking about thousands of certified computers just so you can factor that in in a proposed solution. Optionally we would also like to be able to revoke access. With Regards.

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• Website access per client and each client having multiple users Sample Application

  - by windson

  I'm interested in building a web application in .NET that is scalable to multiple Clients and each and every Client has users associated with them. Suppose that my website is xyz.com and I have 3 clients "abc", "klm", "pqr" and I want to give access to features of xyz.com under the link as follows www.xyz.com/abc www.xyz.com/klm www.xyz.com/pqr and Client abc has N users and I want to set 3 roles for every client's user role. Is there any sample application in .NET that support this kind of website access per client having multiple users? And If I use ASP.NET Membership will that be a suitable membership solution or Do I need to opt for any other type of Membership defined by my own or already available in open source market for .NET. Edit: All the clients will have same functionality. I would like to build a generic model for www.xyz.com/{whatever} so that in future if a new client want to register with me he/she just have to give client name and up on adding client name all the features avaiable to exising clients will be applicable.

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• Screencast several application windows at once in Microsoft Windows

  - by Birt

  I have several (20+) applications running on a Microsoft Windows PC. What I would like is a solution that allows me to broadcast the window of each application in a webpage, in readonly mode (there's no need for the users to interact with it). This should work even if the application is in the background, seeing that there's no way to fit all of them on the screen. I performed very extensive searching, from simple screencasting apps such as Camtasia, CamStudio or VHScrCap to things like VNC (haven't found any server able to broadcast multiple windows at once, much less background windows) and even application virtualization, but in the end I haven't found anything that fits my needs. Most solutions that allow capturing a window instead of the whole desktop will not let you capture multiple windows but only a single window and on top of that they don't even work when the window is in the background.

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• The Best Application Launchers and Docks for Organizing Your Desktop

  - by Lori Kaufman

  Is your desktop so cluttered you can’t find anything? Is your Start menu so long you have to scroll to see what programs are there? If so, you probably need an application launcher to organize your desktop and make your life easier. We’ve created a list of many useful application launchers in different forms. You can choose from dock programs, portable application launchers, Start menu and Taskbar replacements, and keyboard-oriented launchers. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Application development : method to manage backgound process

  - by Simon Dubois

  I am developing an application with different behavior depending on the arguments : - "-config" starts a Gtk window to change options, start and close the daemon. - "-daemon" starts a background process that does something every X minutes. I already know how to use fork/system/exec etc... But I would like to know the main logic of such application to : - restart or refresh the daemon when configuration change. - keep only one instance of the daemon. I have red that killing the daemon to restart it is not a clean way to do. How other applications do ? (ubuntuone, weather forecast, rss feed working with notification area) Thanks for your help. PS : I don't want to create a system-wide daemon, just a user application with a background process.

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• How to update dependency during runtime in my .NET application?

  - by Louis Rhys

  I have a server-client application. Sometimes the server is updated which requires some DLLs in the client to be updated as well (The DLLs are the dependencies of the main executable). For now, we have to close the client, manually deploy the DLLs, and then start the client again. This is kind of an inconvenience because the client is an automated application, so normally it doesn't need any user intervention. Is it possible for this to be done automatically without restart or user intervention? Like, the client would download the latest DLL, and replace the current one?

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• Open-source and client-side IRC-Client

  - by user125197

  I'm administrating a homepage with an IRC-Webclient. At the moment, it uses a Java-client, modified to be SSL-compatible and compatible with whatever design I want to use. The usual PJIRC thing, with users wishes and concerns implemented (I'll give you SSL-PJIRC if you want - no problem. The login-script will be improved for IE6-support this weekend, means write the object tag if an old IE is found, that's it. Rest runs perfectly well). But still, the better user experience would be a client that only requires the user to enable JavaScript. So, before I go into rewriting and customizing a complete Java-IRC-solution, I'd like to ask some other people - after researching for half a year of time. The requirements are: a) Free hosting, no cgi-bin is acceptable. A lot of hosters also have CGI supported, but it doesn't allow IRC-access. So, seems you are limited to x10-hosting for CGI:IRC. b) Solution must be open source (not free as in free beer, but free as in free speech - I want to be able to read every line of the code). c) Hosting cannot be limited to Windows-hosting. Free operation systems (anything with Linux, BSD, whatever - I think you get what I mean) must be possible. d) No server-side technology. I'm limited to everything that runs client-side only. (Well, a Java-Applet does...). d) Solution must support SSL. e) The side must be able to move. Means, you register to a new free hoster, load your things up via FileZilla and the thing simply runs. No server-concerning implementations needed. f) Old browsers must be supported. From all my research, there are two ways a) Java-Applet b) Use HTML5-Websockets (it is impossible to use the JavaScript-library I found, as it depends on ActiveX - means, Windows hosting). b) means "you are going to enter very unstable content". I worked with HTML5 for month, and, well ... Though, HTML5 also is not suitable for older browsers (old browser support is an absolutely necessary requirement). PHP by the way is a server side solution ... so no line of PHP. My idea now was a Java Applet, and a fallback which again is embedded and proprietary, but only requieres JavaScript (wsirc or Mibbit are great here, whilst I prefer wsirc ... and zooming fonts that are plainly to small, but worse, cannot read the code). So my question is - with free hosting, not installation on server, plain upload - do you see and open source, complelety client-side, ssl-compatible way to use or write a client? This wouldn't be my first programming project, I'm not afraid of the code. If there was a way and I had to write it, even from scratch, I'd do. From all I know, there sadly is none. But maybe some experienced admin has an idea? Best Wishes, yetanotheruser Sry my English isn't perfect. It's enough for programming at least.

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• spring.net application scope repository object on loadbalanced application

  - by Bert Vandamme

  Hi, We have an application running on a loadbalanced environment, let say webserver A and B. The loadbalancing is on the HTTP level, so the loadbalancer directs each user request to one of both webservers. The scope of the repositories in the application is managed by the spring.net container, and the application relies on data that can be cached by the repository (performance reasons). In this case we can never be sure that the cached data in the repositories on both webservers is the same. Is there mechanism in spring.net that can manage this kind problem? Or is there another common approach for this kind of thing? Any ideas? Thx, Bert

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