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  • Gratuitous use of System.Runtime.Serialization attributes?

    - by rasx
    Is there any cost/drawback (apart from typing too much) to adorning a class with System.Runtime.Serialization attributes (like [DataContract]) such that it can be used locally as a direct reference to a desktop Client project or as a type for a WCF service? The goal here is to write a data-tier class that can be used in both rich client (WPF) and Web scenarios. My data classes will be in a project that is separate from Client and WCF (*.svc code-behind) code. Is this a valid attempt to reuse code?

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  • How may I teach that SOAP is not a reliable transport?

    - by Eduardo
    I need to teach that a HTTP SOAP call may be received but the caller may not get the response due to a network failure (among other problems). (This problem made WS-ReliableMessaging be developed) How would you guys show this problem to a web service developer so they can develop taking into account that duplicate messages may be received?

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  • Problem about Chrome Extension

    - by Gnu
    Hi! I try to write an extension and i saw the very restricted policy security. I should create an extension that allows me to listen and download podcast from web. It is possible? I use Chrome OS with VMWare, this OS has additional Api than Google Chrome Browser? Thanks

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  • Is it possible to return as SiteMap as a JsonResult?

    - by Paul Suart
    I've got a very simple Action on my Controller that's attempting to return my XmlSiteMap as a JsonResult: public ActionResult Index() { var nodes = SiteMap.Provider.RootNode; return new JsonResult() { Data = nodes, JsonRequestBehavior = JsonRequestBehavior.AllowGet }; } However, when I call the Action, an InvalidOperationException is thrown: "A circular reference was detected while serializing an object of type 'System.Web.SiteMapNode'." Is there a way to Json serialize a SiteMap, or indeed any object that has children of the same type?

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  • Oracle ALTER DATABASE OPEN

    - by Tom
    Hi everyone, Im having some trouble with an oracle database. Every time i try to connect, i get this message. ORA-01033: ORACLE initialization or shutdown in progress I searched the web, and found that the solution is to execute an alter database open command, but what I dont understand is where should i execute if, since I cant connect to the database. Am I missing something? Thanks in advance

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  • Wrong sessionID being used in callback, but only on one particular computer

    - by user210119
    I am writing a Python/Django web application that uses OAuth (for the TwitterAPI, not that it should matter). I am storing a session ID in my login function, and then after using OAuth to get the user's token, I try to retrieve the sessionID in my callback function. The callback function then always fails(throws an exception) because it can't find the OAuth token in the session. Through the debugger, I am able to determine that the session ID that the server is using is incorrect - it does not match the session ID that was stored in the login function. It's therefore unsurprising that the Oauth tokens were not there. The session that appears in the callback was the same one each time (until I tried deleting it - see "things I've tried below"), and it started out as an old session, with some data in it that is from a different django app running on the same server that I hadn't touched in a couple weeks. Here's the kicker: everything I described is an issue only on our production server, and only when connecting to it from my computer. Let me clarify: this only happens with my particular laptop. I can connect to the app just fine from someone else's computer. Other people cannot connect with their accounts on my computer. Furthmore, I can connect just fine to the app when it is running on my localhost using the built-in django webserver, just not to the production server. My setup: my server and local box are running= Django 1.2.0 and Python 2.6.5. My local box is running Snow Leopard and the Django webserver, the server is running Ubuntu, Apache2, and mod-wsgi. For sessions, I am using Django's default session backend (DB). Things I have tried, all to no avail: logging in with a different account, including new accounts that have never OAuthed to this app before Clearing cookies, using incognito mode, using a different web browser on my same computer. Each time, upon inspecting my cookies, the sessionID matched the sessionID in the login function and was different from the sessionID in the callback. deleting the session in the database that appears in the callback function, (the one that appeared to be old data). The callback function still fails, and the sessionID it appears to be using is now a new one using a different session backend (DB-cache, flat file, etc...) restarting the server, my computer, etc. My first question on StackOverflow, so bear with me if I didn't quite follow local conventions. I am just at a loss as to what to even look for - what are the things that could possibly be causing sessions to not work on my particular computer, and (so far!) only my particular computer?

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  • What is the best approach for unit testing/integration testing GXT code?

    - by Arizonahockey
    I have been tasked to setup a continuous integration environment for a GXT 2.1.1 and GWT 2.0.1 environment. Unfortunately I am new to AJAX and Web Services and have little idea how to setup unit tests in the browser environment. Unit tests for the server backend I already have done, since I am a pro at that. GXT is not quite pure GWT which provides some unit testing structure. If anyone has a good starting point...

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  • Email notification when an error occurs

    - by user279521
    I need to design a bug alert system, where the web support team is notified via email when a user of our website encounters an error of any sort (database exception, or a 404) What would be the best way to design this section of the project? Any ideas would be appreciated.

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  • asp.net mvc should calls wcf

    - by niao
    Greetings, I have a wcf service that exposes functionality to my wpf application. This works fine. I would like to create a web version and I am wondering how can I connect from my asp.net mvc application to my wcf service? Should I use the same approach as for WPF application (which uses Proxy to connect to the WCF Service. Is there any nice article how can i do this?

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  • Lua parser in python

    - by Joe Simpson
    Hi, I'm looking into using Lua in a web project. I can't seem to find any way of directly parsing in pure python and running Lua code in Python. Does anyone know how to do this? Joe

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  • wpf in-page dialog.

    - by Erin
    When I worked on web pages I used these a lot. While building a page out for WPF project the other day I ended up building a page that looked like it had an in-page dialog on it but it was the only thing on the page. My question here is. Has any one created such component that allows for easy creation of these kinds of dialogs.

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  • Security of executing a command from php

    - by Nicolò Martini
    I'm writing a web application in which i use several thirdy party commands calling them with the exec function in PHP (for example, I render Latex formulas through a command-line program). My question is: what are the security issues of executing external command-line programs in php? What I have to be aware of? Can you give me a list of points to check? Thanks in advance.

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  • Asp Dot Net : IHttpModule + m_context.Server.Transfer = session state error

    - by tinky05
    I have an IHttpModule that implements IRequiresSessionState. The session state is at "on" on the page directive and I also added it to the web.config. In the method "OnBeginRequest" in the IHttpModule, I make a Server.Transfer but I get the error : Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. When I access the page directly or with a Response.Redirect, there is no error. Any idea?

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  • resttemplate getForObject map responsetype

    - by Zack Macomber
    I'm invoking a rest service that returns JSON like this: { "some.key" : "some value", "another.key" : "another value" } I would like to think that I can invoke this service with a java.util.Map as the response type but that's not working for me. I get this exception: org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [interface java.util.Map] Should I just specify String as the response type and convert the JSON to a Map?

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  • Clear Asp.Net cache from outside of application (not using source code)

    - by TheJudge
    Hi, I have a asp.net web application and I'm using cache (HttpRuntime.Cache) to save some stuff from db. I also update db from time to time so that data in db does not match the data in my application's cache. Is there any way how to clear my application's cache without modifying any source code or republishing the page? I tried to restart IIS and to clear browsers cache but nothing helps. Please help.

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  • xml dom node children

    - by matt
    Need some help I've got lots of code and i want to make it shorter i know there's a way but I can't remember it this is code example: <?xml version="1.0" encoding="ISO-8859-1"?> <bookstore> <book category="cooking"> <title lang="en">Everyday Italian</title> <author>Giada De Laurentiis</author> <year>2005</year> <price>30.00</price> </book> <book category="children"> <title lang="en">Harry Potter</title> <author>J K. Rowling</author> <year>2005</year> <price>29.99</price> </book> <book category="web"> <title lang="en">XQuery Kick Start</title> <author>James McGovern</author> <author>Per Bothner</author> <author>Kurt Cagle</author> <author>James Linn</author> <author>Vaidyanathan Nagarajan</author> <year>2003</year> <price>49.99</price> </book> <book category="web" cover="paperback"> <title lang="en">Learning XML</title> <author>Erik T. Ray</author> <year>2003</year> <price>39.95</price> </book> </bookstore As you can see the different nodes, children now is there a way to make this code smaller so I don't have to keep writing the nodes and children

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  • How to get status code of a POST with Asp.Net HttpWebRequest

    - by Hasan Gürsoy
    I'm trying to ping Google when my web site's sitemap is updated but I need to know which status code does Google or any other service returns. My code is below: HttpWebRequest rqst = (HttpWebRequest)WebRequest.Create("http://search.yahooapis.com/ping?sitemap=http%3a%2f%2fhasangursoy.com.tr%2fsitemap.xml"); rqst.Method = "POST"; rqst.ContentType = "text/xml"; rqst.ContentLength = 0; rqst.Timeout = 3000; rqst.GetResponse();

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  • ASP NET MVC (Please Hepl)

    - by rah.deex
    I'am a newbie n interest to leaarn aspnet mvc (vb) but there's too much application sample that using C#.. i just want to know how to wrote this code in VB <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<MvcGridSample.ViewModels.Shared.Grid<Customer, CustomerSearchForm>>" %> do you have any idea?? thx before -dix-

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  • Will thread.join() block other clients also?

    - by maxp
    In an asp.net web application, say everytime the user makes the request, and the page loads, a thread is fired off that uses thread.join() to block execution until it's finished. Say this thread takes 10 seconds to complete. Does this mean that if 5 totally seperate users make a request to this page, mere miliseconds after the last, does this mean the last user is going to wait 50 seconds to finish their request? Or is each client request threaded?

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