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• Software Design & Web Service Design

  - by 001

  I'm about to design my Web service API, most of the functions of my API is basically very simular to my web application. Now the question is, should I create 1 single method and reuse them for both the web application and the web service api? (This seems to be the logical solution, however its very complicated; it's much easier to duplicate the method used by the web application, and keep both separate, ie one method for the web application and one method for the web service.) How do you guys do it? 1) REUSE: one main method and reuse them for both web application and web service application (I like this but it's complicated) WebAppMethodX --uses-- COMMONFUNCTIONMETHOD_X APIMethodX ---uses---- COMMONFUNCTIONMETHOD_X ie common function performs functions such as creating/updating/deleting records etc 2) DUPLICATE: two methods, one method for the web application and one method for the web service. WebAppMethodX APIMethodX

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• ASP.net MVC [HandleError] not catching exceptions.

  - by Eric

  In two different application, one a custom the other the sample MVC application you get with a new VS2008 MVC project, [HandleError] is not catching exceptions. In the sample application I have: [HandleError] public class HomeController : Controller { public ActionResult Index() { ViewData["Message"] = "Welcome to ASP.NET MVC!"; throw new Exception(); return View(); } public ActionResult About() { return View(); } } which is just the default controller with an exception being thrown for testing. But it doesn't work. Instead of going to the default error.aspx page it shows the debug information in the browser. The problem first cropped up in a custom application I'm working on which led me to test it with the sample application. Thinking it had something to do with changes I made in the custom application, I left the sample application completely unchanged with the exception (yuck) of the throw in the index method. I'm stumped. What am I missing?

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• How to intercept capture TAB key in WinForms application?

  - by Axarydax

  Hi, could you please help me with this one? I'm trying to capture Tab key in Windows Forms application and do a custom action on it. I have a Form with several listViews and buttons, I've set Form's KeyPreview property to true and when I press any other key than tab, my KeyDown event handler does get called. But that's not true with the Tab key - I don't receive WM_KEYDOWN message even in WndProc. Do I need to set each control inside my form - its TabStop property - to false? There must be a more ellegant way that that. Thanks.

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• How to reduce simple cpp application size? (compiled with RAD Studio 2010 cpp builder)

  - by peterg

  I am using rad studio 2010 cpp builder. I've created a new SDI application, added a TCppWebBrowser control and a simple button that onclick trigger the .navigate for the TCppWebBrowser, I compiled it and I got a 1.20mb file, I was expecting less than 700kb at least. How can I reduce the size of the compiled exe? I don't want to use "build with runtime packages", I know that will make it very small but I want to get all the necessary packages and dependencies inside the exe but maybe I am getting more than I use, I tried unchecking/removing a lot of design packages (in project/options/packages) I don't use but the file size didn't decreased. Also I was thinking maybe the TForm component that comes with RAD Studio is giving me more stuff than I need and that could make the file bigger, I mean I only need to drop a webbrowser control and a few buttons in the form, maybe there's a minimal form component I could use to replace TForm. Any suggestions will be appreciated.

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• How to keep an old VB6 application running in Windows Vista and Windows 7?

  - by MusiGenesis

  I have an old VB6 app which I'm still trying to support. A few users have reported weird crashes when running the app in Vista or Windows 7. The log files don't show anything after one of these crashes, but the customers report that the error message said "OLE something ...", if they saw anything at all. I've never been able to reproduce these crashes while running the program on my own Vista or Windows 7 boxes, so I have essentially no information on what the problem is. My suspicion is that it's a problem with their versions of one or more of the umpteen billion DLLs that a VB6 application is dependent on. The app also uses lame_enc.dll, which introduces a few more dependencies. I'm guessing this is a common problem with VB6 apps (although it's possible that I just sucked as a programmer 10 years ago). Is there some magical installer/updater out there that makes sure all the VB6 dependencies are what they need to be for a VB6 app to function properly?

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• How to launch standard browser out of Java application?

  - by Peter

  Hi there how to I open a URL with the systems standard browser with Java? I currently use this code for opening a specific URL (locally stored html file), which works fine when I run the application with my IDE (Eclipse), but after bundling the software, it doesn't work any more. url = MainWindow.class.getResource("mySite.html"); helpMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { try { java.awt.Desktop.getDesktop().browse(url.toURI()); } catch (URISyntaxException e1) { e1.printStackTrace(); } catch (IOException e1) { e1.printStackTrace(); } } }); Any suggestsions? Thank you very much!

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• I have a problem sometimes in my vb.net webmail application?

  - by ahmed

  I have a weird problem in my vb.net web application sometimes. webmail webform with html editor, sometimes very rare users type for example more than 200 or 400 characters and send the message to other user. But the reciever only recieves 5 or 7 characters. 2 or 3 words of the message. I don know what is going on. I checked the code, no bugs everything is working fine.All the users are on Microsoft XPsp2 platform. Any help will be appreciated. Is this sufficient , or shall I provide any more input regarding the problem...?? OK I got it... the problem is when I type characters in HtmlEditor it keeps on continuing, i mean it should go to the end and automatically comes to the second line....but it is going on and on.how can I stop this.

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• How do I dynamically tell a .NET MVC application which datasource to point to?

  - by Bialecki

  I'm beginning a port of an existing ColdFusion application to .NET MVC and one of the first issues I'm running into is that in ColdFusion we use the fact that you can define multiple datasources and access them in a dynamic way so that a particular user can be pointed at a particular database. To give an example, I might have two databases, Foo and Bar which each have a table called Locations which store locations particular to that database. The databases are guaranteed to have the same tables, so that's not a concern. In ColdFusion, you can easily dynamically point a user towards a particular datasource because it's just a string which is configured via the ColdFusion administrator (or you could programatically modify an XML file). So the question is how to do this in .NET? And specifically, I think I'd really like to use the Entity framework to leverage the ORM support it'll offer to perform operations on the data in the database, but I'm not sure how to do that (hopefully it's possible). Any thoughts?

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• Writing a Web Application in hAxe without Apache and PHP?

  - by stesch

  hAxe has Apache httpd modules and can compile to PHP code. These are 2 options I know to make a web application that runs on the server. You can start a http server with nekotools, but this is supposed to be used for development only. Are there any more options? I can always use the NekoVM from within a C or C++ program, running a web server or interfacing to FastCGI. Or compile to C++, using a FastCGI or web server library. But I want to hear about solutions that are actually used. I have a VPS with nginx, so no mod_neko or mod_tora. PHP isn't a problem, but I'd rather wouldn't use it (for irrational reasons).

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• Invalid binary. A pre-release beta version of the SDK was used to build the application.

  - by erik

  Yesterday I submitted an app to the iphone dev center, no problems at all. Today I did some changes to another existing app and was greeted by the following message when I uploaded my binary: The binary you uploaded was invalid. A pre-release beta version of the SDK was used to build the application. I googled the message and didn't find anything at all. I also tried but failed to update another app, same message there. I have not changed anything in between (that I know) and I have certainly not installed or downgraded my SDK. Building for iPhone 3.0..

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• How to set the base path in IIS 7 hosting a WCF application?

  - by curiouscoder

  I've been fighting my way through the process of migrating a (previously self-hosted) WCF application to IIS7 (I've never used IIS before and I realise that this is a very simplistic question but I failed to google/SO the answer so far). My service is hosted at http://xxx.xxx.xxx.xxx/SampleWebsite/Service.svc but when I access it with ?wsdl all the references that should read http://xxx.xxx.xxx.xxx/ are actually set to the window machine's local network name (i.e. http://localpc3/). I've tried using the WCF tool to add the external IP address to the base address section under the service I'm configuring as well as a number of setting inside IIS but I can't seem to track down the correct place. Where do I set this? IIS manager, web.config, somewhere else?

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• Text rendering still blurry : Best font for WPF application?

  - by Holli

  I know this is a very subjective question but as text rendering in WPF is still an issue I have to make the best out of it. In WPF Application text tend to become blurry that is no secret. Also there are countless website about this topic and how you get around this problem. But I wonder ... text blurriness seems to affect some fonts more that others. So I am still looking for the best font available to get around this issue. So far I am still using Arial and it doesn't look good. But I am sure some other font are more suitable for the task at hand.

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• How does "Require SSL" affect ASP.NET MVC application lifecycle?

  - by Ragesh

  I have an application that taps into BeginRequest and EndRequest to set up and tear down NHibernate sessions like this: BeginRequest += delegate { CurrentSessionContext.Bind(SessionFactory.OpenSession()); }; EndRequest += delegate { var session = CurrentSessionContext.Unbind(SessionFactory); session.Dispose(); Container.Release(session); }; This works fine when deployed in IIS, until I check the "Require SSL" box. Once I do this, I get a NullReferenceException at session.Dispose(). I haven't debugged this yet and, yes, the fix is trivial, but I'm just curious about how "Require SSL" affects the lifecycle of a request. Is a session not set up on the server in these cases?

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• How do I add the Disqus comment system to a Rails application in a similar fashion to Wordpress?

  - by Eric Lubow

  In Wordpress, the Disqus plugin allows you to choose to subscribe to a post via RSS or via email. Is there a pluign similar to the Wordpress plugin for Rails. Norman's Disqus plugin just uses the Disqus site to make it work. I was hoping to have things more stored locally. For an example of what I mean, take a look at this blog entry. I already know that since Rails (this application in particular) is using Authlogic (plus Facebook Connect), that Disqus cannot be too tightly coupled with the Authentication system. Has anyone ever done this or figured out a way to do this?

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• When to use MVP in Windows Forms .net application?

  - by Janalopa

  I am familiar with MVC/MVP though my question is simple, I'm about to program a simple Instant Messaging software when the engine and communication part is an open API. so my software will have about 3 forms, a splash screen with login details, the options form and a main form with all the functionality like: Friends List, Send message, Received messages (tabbed), search user, etc. In UI perspective, its important for the GUI to be in 1 form in my application. So my question is, for the only complicated form that I'm going to have, is it necessary to implement an MVP design pattern or in this case its better to just go straight forward and put all the logic in 1 place? THANKS Janalopa!

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• How to call method written in C# class library from Silver light application(xaml.cs file) ?

  - by Shyju

  Can a xaml.cs file call the method in a c# class library ? I am trying to add a Silver light control to my Existing ASP.NET project where i used to add reference to my BL Project and acces methods of BL from My UI pages of ASP.NET Web application.Now i have added one Silver light project to my solution.How can i use the already existing BL method which is in a C# class library ? When tried to add reference, it is saying that "You can only add project reference to other silver light projects in the solution". Should i give up ? Is there any way to get rid of this ?

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• How do I do an AJAX post to a url within a class library but not the same IIS Web Application?

  - by Mark Adesina

  I have been working with ajax and there has been no problems below is how my ajax post code look like: $.ajax({ type: "POST", url: '<%=ResolveUrl("TodoService.asmx/CreateNewToDo")%>', data: jsonData, contentType: "application/json; charset=utf-8", datatype: "json", success: function () { //if (msg.d) { $('#ContentPlaceHolder1_useridHiddenField').val(""); $('#ContentPlaceHolder1_titleTextBox').val(""); $('#ContentPlaceHolder1_destTextBox').val(""); $('#ContentPlaceHolder1_duedateTextBox').val(""); alert('Your todo has been saved'); // } }, error: function (msg) { alert('There was an error processing your request'); } }); However, the problem came up when I try to get the url to a webservice that is located in a class library within the same solution.

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• How to create a simple server/client application using boost.asio?

  - by the_drow

  I was going over the examples of boost.asio and I am wondering why there isn't an example of a simple server/client example that prints a string on the server and then returns a response to the client. I tried to modify the echo server but I can't really figure out what I'm doing at all. Can anyone find me a template of a client and a template of a server? I would like to eventually create a server/client application that receives binary data and just returns an acknowledgment back to the client that the data is received.

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• How do I add application specific code to Rails' plugin?

  - by Waseem

  Hi, I am using facebooker in one of my applications. I want to add some application specific methods to various methods in it? e.g. In facebooker/lib/facebooker/models/user.rb module Facebooker class User # I want to add my methods here. for e.g my_method end end I can not directly put my_method in the plugin itself since I also want to access my models from there. Not defining the methods in plugin code itself will also be helpful when I upgrade.

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• Choosing between ExtJS and YUI based on application parameters.

  - by Kabeer

  Hello. I need help in taking call to choose between Ext JS and YUI libraries. Here are the key factors I have derived from my application requirements & development process: Complex, windows forms like controls Widgets, Layouts, Utilities Inter widget communication Easy to extend Easy to learn Intuitive & concise coding Strong exception handling Active support / community To update with upcoming technologies (HTML5, etc.) Skins & Themes to be easy to change Skins & Themes to support variety (a text box for different context to appear differently) Support & Utilities for standard protocols (XmlHttp, JSON) Good performance (responsive) Cost is not crucial, but I don't mind saving :)

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• My ASP.NET Web Application cannot 'find' any of my classes in the App_Code folder .. ??

  - by Pure.Krome

  Hi folks, I'm trying to make a new asp.net web application .. so I'm copying my files from one site to the new one, in the same solution. Now, any of my classes in the App_Code directory ... they are not getting 'picked up' by the rest of my project. For example... \_ \_App_Code |_ BaseMasterPage.cs (please don't ask why this is in here..) |_ Utility.cs |_ FooBar.cs \_MasterPages |_ Default.master.cs // This file errors ;( namespace Foo.WebSite.MasterPages { public partial class Default_master : App_Code.BaseMasterPage { ... } } namespace Foo.WebSite.App_Code { public class BaseMasterPage : MasterPage { .. } } It cannot find the App_Code.BaseMasterPage (compilation and intellisence error) in the Default.master.cs page. Can someone please help? this is killing me :(

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• How to use third party themes in swing application?

  - by swift

  I want to use some third party themes (like synthetica http://www.javasoft.de/synthetica/themes/) in my swing appliaction. i am using eclipse ide, got the jar file of theme and did the following modification(according to the readme file from the theme) in my code try { UIManager.setLookAndFeel(new SyntheticaBlackMoonLookAndFeel()); } catch (Exception e) { e.printStackTrace(); } but after this modification its showing the following error The type de.javasoft.plaf.synthetica.SyntheticaLookAndFeel cannot be resolved. It is indirectly referenced from required .class files what does this mean? i tried searching on net but cant really find any useful answers Contents of Readme file: System Requirements =================== Java SE 5 (JRE 1.5.0) or above Synthetica V2.2.0 or above Integration =========== 1. Ensure that your classpath contains all Synthetica libraries (including Synthetica's core library 'synthetica.jar'). 2. Enable the Synthetica Look and Feel at startup time in your application: import de.javasoft.plaf.synthetica.SyntheticaBlackMoonLookAndFeel; try { UIManager.setLookAndFeel(new SyntheticaBlackMoonLookAndFeel()); } catch (Exception e) { e.printStackTrace(); }

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• How can I embed firefox in a GUI application?

  - by PeniWize

  Has anyone ever embedded the firefox web browser technology in their own [unmanaged] C/C++ GUI application in the same way that IE can be embedded as a COM object? (I would like to do this on Linux, not Windows). Are there "better" alternatives to firefox? I'm open to anything as long as I can use it with non-GPL code. My needs are fairly basic; I only need fundamental HTML parsing and display of static local files, but I'd take advantage of more sophisticated technology, if I can get it. I'd like to be able to use JavaScript, but I can get by without it.

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• Force save files all browsers - not open in browser window

  - by Joshc

  I'm after a simple solution to work in all browsers. For specific file types, or targeted links via a class: how can I get them to simply force download in all major browsers. I thought I found the perfect solution for apachce server - by adding this into the .htaccess. http://css-tricks.com/snippets/htaccess/force-files-to-download-not-open-in-browser/ AddType application/octet-stream .csv AddType application/octet-stream .xls AddType application/octet-stream .doc AddType application/octet-stream .avi AddType application/octet-stream .mpg AddType application/octet-stream .mov AddType application/octet-stream .pdf Seems to work in Firefox and Safari, but not chrome or IE (have not tested anything else) Can any one please help me with a solution on how to make links to force download the file, instead of opening in the browser, for ALL browsers. I can't seem to find a full browser proof solution. Is it not possible? Any links to tutorial or snippets would be awesome. My website if PHP based so can make it work with PHP if posible. Thanks

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• How should I deploy a patch to a Passenger-based production Rails application without downtime?

  - by Olly

  I have a Passenger-based production Rails application which has thousands of users. Occasionally we need to apply a code patch (we use git) and the current process for doing this (you can assume there are no data migrations) is: Perform git pull origin [production-branch-name] on the server touch tmp/restart.txt to restart Passenger This allows us to patch the server without having to resort to putting up a maintenance page, which is great, but it doesn't feel quite right since it's not actually a proper 'deployment', and we still need to manually update the revision file and our deployment doesn't appear in the Hoptoad or NewRelic services we use. Ideally I would run cap production deploy and just let the standard Capistrano deployment script take care of everything, but is this a dangerous thing to do without putting up a maintenance page? This deployment process seems to be fairly safe in that the new revision is deployed to a completely separate folder and only right at the end of the process is a symlink re-created to switch the currently deployed version, but I'm still fairly paranoid about this somehow resulting in a lost or failed request.

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