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  • C#: Parallel forms, multithreading and "applications in application"

    - by Harry
    First, what I need is - n WebBrowser-s, each in its own window doing its own job. The user should be able to see them all, or just one of them (or none), and to execute commands on each one. There is a main form, without a browser, this one contains control panel for my application. The key feautre is, each browser logs on to secured web page and it needs to stay logged in as long as possible. Well, I've done it, but I'm afraid something is wrong with my approach. The question is: Is code below valid, or rather a nasty hack which can cause problems: internal class SessionList : List<Session> { public SessionList(Server main) { MyRecords.ForEach(record => { var st = new System.Threading.Thread((data) => { var s = new Session(main, data as MyRecord); this.Add(s); Application.Run(s); Application.ExitThread(); }); st.SetApartmentState(System.Threading.ApartmentState.STA); st.Start(record); }); } // some other uninteresting methods here... } What's going on here? Session inherits from Form, so it creates a form, puts WebBrowser into it, and has methods to operate on websites. WebBrowser requires to be run in STA thread, so we provide one for each browser. The most interesting part of it is Application.Run(s). It makes the newly created forms alive and interactive. The next Application.ExitThread() is called after browser window is closed and its controls disposed. Main application stays alive to perform the rest of the cleanup job. When user select "Exit" or "Shutdown" option - first the browser threads are ended, so Application.ExitThread() is called. It all works, but everywhere I can read about "main GUI thread" - and here - I've created many GUI threads. I handle communication between main form and my new forms (sessions) with thread-safe methods using Invoke(). It all works, so is it right or is it wrong? Is everything right with using Application.Run() more than once in one application? :) An ugly hack or a normal practice? This code dies if I start a WebBrowser from the session form thread. It beats me why. It works however if I start WebBrowser (by changing its Url property) from any other thread. I'd like to know more what is really happening in such application. But most of all - I'd like to know if my idea of "applications in application" is OK. I'm not sure what exactly does Application.Run() do. Without it forms created in new threads were dead unresponsive. How is it possible I can call Application.Run() many times? It seems to do exactly what it should, but it seems a little undocumented feature to me. I'm almost sure, that the crashes are caused by WebBrowser component itself (since it's not completely "managed" and "native"). But maybe it's something else.

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  • ASP.NET Trial website

    - by Attilah
    I created a web app and I want the users of the app to use limited functionality free. Or I might even decide down the road to enable free users to use the app for no more than, say 10 days. is there a library or framework which helps with such issues ?

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  • How to add some Spring attributes when the application starts

    - by user198147
    I am new to Spring framework and I am working on a web application that must be multilanguage. The tanslated values are in the database and I don't want that each time I am rendering a view to pick the values from the database. The idea is to get them somewhere from the application. So, I want to load this values when my application starts and I don't know where exactly and where to put them. Thank you for your help!

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  • HTML Encoding with ASP.NET

    - by Corin
    I am currently html encoding all user entered text before inserting/updating a db table record. The problem is that on any subsequent updates, the previously encoded string is reencoded. This endless loop is starting to eat up alot of column space in my tables. I am using parameterized queries for all sql statements but am wondering would it be safe to just let the .NET Framework handle this part without the HTML Encoding?

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  • ASP.NET MVC 2 Cancel Asynchronous Action

    - by Sean Carpenter
    The MSDN documentation for using an asynchronous controller mentions choosing an asynchronous controller when you want to provide a way for users to cancel requests. I couldn't find any documentation related to actually allowing users to cancel asynchronous requests, however. Is there a way to indicate to ASP.Net and/or the MVC framework that a request should be canceled?

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  • Team working on Drupal - Tips

    - by fighella
    I am working on a Drupal site with a few friends. Obviously we can Version control the code... but what do we do to keep each others databases in check? I have managed to get all the theming into files (contemplate etc), but ideally my views settings, menu settings would be in line also... (Not worried about Content either way as we're just building the framework) Any suggestions?

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  • Code coverage tools that can be used on .NET 4.0 assemblies

    - by Tim Duncan
    We use Xunit.net as our unit test framework for use on our .NET4 assemblies. We have it integrated into our TFS 2010 team builds quite successfully. I now want to add code coverage to the nightly builds as well. Does anyone have a list of coverage tools that work on 4.0 assemblies and could be integrated into our automated builds?

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  • Font size of emacs in ubuntu

    - by Ispinfx
    I use emacs in ubuntu and I use Monaco 10 as its default font. However, the font rendering seems a bit odd compared to my gnome terminal with the same font size: It's a bit smaller and not as clear as that in the terminal. I've tried to avoid simply this with size 11 but it's too large for me. How can I make it the same as its look in the terminal ? Any help is appreciated :) UPDATE: I should tell you the above on is GUI emacs running a shell, and the below is the gnome terminal. On the right are their correspond font settings. Both 100% capture with font size 10: (left: emacs, middle: terminal, right: gedit) One more (gvim's):

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  • Fastest reliable way to open the terminal?

    - by meder
    I actually had my SUPER_L ( left windows key ) binded to gnome-terminal, but for whatever reason ever since upgrading to 9.04 Ubuntu from 8.10 Intrepid it seemed to break the key binding. It was very handy because I could throw open the terminal with one key ( sorry but alt-f2 and typing gnome-terminal isn't practical for me ). Or perhaps it reset all the keybindings? I remember using xev and some gui type interface that was akin to Win32 registry editor. Anyway, I'm curious as to what you guys use to open the terminal.

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  • How to do Automated UI testing for Flash

    - by Ran
    I have an actionscript 2 application that I'd like to write automated UI testing for. For example I'd like to simulate a mouse click on a button and validate that a movie-clip is displayed at the right position and in the right color... Basically, UI testing. What are the best tools available or what is the desired approach? In JavaScript there is the selenium framework which does a nice job. Any similar tool for flash?

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  • PHP ORM library based on the Data Mapper pattern

    - by Matthieu
    For a PHP application with a complex domain model, I don't want to use the Active Record pattern, I need instead the Data Mapper pattern (as presented in Zend Framework). Do you know any library that could help me for the ORM part, or else a link to a documentation on "how to do it right" ? Thanks

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  • asp net mvc client validation with partial views and AJAX

    - by griZZZly8
    Hello, I'm using client validation function of the MVC 2.0 framework (with Html.ValidationMessageFor() and Html.EnableClientValidation()) Everything is nice, when I use the validation in a simple form. But when I get this form via jQuery AJAX $.get('PathToMyForm', function(htmlResult) { $('selector').html(htmlResult); }); client validation doesn't works.

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  • How to write a COM server in raw C?

    - by smwikipedia
    I am studying COM. I think the best way to get a thorough understanding of COM is write one without any COM framework such as ATL. I have written a COM server in raw C++, and now I want to write one in plain raw C. How could I do this? Is there any tutorial? Many thanks.

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  • linux ftp server with virtual users

    - by kjertil
    i know there are already similar questions for this matter but the answers doesn't really make much sense to anyone who is not really technically comfortable in Linux. I've already tried articles like these for example: http://howto.gumph.org/content/setup-virtual-users-and-directories-in-vsftpd/ with the result of accidently breaking the whole system. The problem is that, while there are several technical possibilities to set up virtual users with a FTP server, it is not as easy as managing for instance a Filezilla server on Windows. I've seen some Web based GUI's but most of them seems to be out of date. The different flavours of Linux and the large amount of different popular FTP servers also seems to make the matter more complicated. I guess my question is, is there a way, to set up virtual FTP users on Linux without the hastle of having to manually edit PAM, MYSQL and config files?

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  • How do I create a thread-safe write-once read-many value in Java?

    - by Software Monkey
    This is a problem I encounter frequently in working with more complex systems and which I have never figured out a good way to solve. It usually involves variations on the theme of a shared object whose construction and initialization are necessarily two distinct steps. This is generally because of architectural requirements, similar to applets, so answers that suggest I consolidate construction and initialization are not useful. By way of example, let's say I have a class that is structured to fit into an application framework like so: public class MyClass { private /*ideally-final*/ SomeObject someObject; MyClass() { someObject=null; } public void startup() { someObject=new SomeObject(...arguments from environment which are not available until startup is called...); } public void shutdown() { someObject=null; // this is not necessary, I am just expressing the intended scope of someObject explicitly } } I can't make someObject final since it can't be set until startup() is invoked. But I would really like it to reflect it's write-once semantics and be able to directly access it from multiple threads, preferably avoiding synchronization. The idea being to express and enforce a degree of finalness, I conjecture that I could create a generic container, like so: public class WoRmObject<T> { private T object; WoRmObject() { object=null; } public WoRmObject set(T val) { object=val; return this; } public T get() { return object; } } and then in MyClass, above, do: private final WoRmObject<SomeObject> someObject; MyClass() { someObject=new WoRmObject<SomeObject>(); } public void startup() { someObject.set(SomeObject(...arguments from environment which are not available until startup is called...)); } Which raises some questions for me: Is there a better way, or existing Java object (would have to be available in Java 4)? Is this thread-safe provided that no other thread accesses someObject.get() until after it's set() has been called. The other threads will only invoke methods on MyClass between startup() and shutdown() - the framework guarantees this. Given the completely unsynchronized WoRmObject container, it is ever possible under either JMM to see a value of object which is neither null nor a reference to a SomeObject? In other words, does has the JMM always guaranteed that no thread can observe the memory of an object to be whatever values happened to be on the heap when the object was allocated.

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  • Creating a Scheduled Task that runs forever on Windows XP

    - by Mike Fiedler
    When I create a scheduled task, I do so via command line: schtasks.exe /Create /TN "startup-script" /TR "C:\startup.bat" /RU taskuser /RP taskpasswd /SC ONLOGON The idea is that this task run forever. The batch opens a java process that is never meant to end. I've used ONLOGON, as the machine auto-logs in as taskuser. All this works fine, for about 72 hours, after which the Duration flag kicks in and ends the process. Windows XP doesn't have the /DU flag on command line - is there an alternative method to creating a task that is meant to run from a system startup (doesn't even require logon) and runs forever, without touching a GUI?

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  • VPN is working, except for DNS lookups. Firewall (Cisco ASA 5505) issue?

    - by macke
    I've got the following set up: LAN -> DHCP / DNS / VPN server (OSX 10.6) -> Cisco ASA 5505 -> WAN Connecting to the LAN via VPN works fine. I get all the details properly and I can ping any host on the internal network using their IP. However, I can't do any host lookups whatsoever. I've looked through the logs on and found this nugget in the firewall log: 3 Sep 08 2010 10:46:40 305006 10.0.0.197 65371 portmap translation creation failed for udp src inside:myhostname.local/53 dst inside:10.0.0.197/65371 Port 53 is dns services, no? Because of that log entry, I'm thinking that the issue is with the firewall, not the server. Any ideas? Please keep in mind that I have very little knowledge and experience with this kind of firewall and the little experience I do have is with the ASDM GUI console, not the CLI console.

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