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  • What is your custom exception hierrarchy?

    - by bonefisher
    My question is: how would you create exception hierarchy in your application? Designing the architecture of an application, from my perspective, we could have three types of exceptions: the built-in (e.g.: InvalidOperationException) custom internal system faults (DB transaction failed on commit, DbTransactionFailedException) custom business exceptions (BusinessRuleViolationException) Class hierarchy: Exception MyAppInternalException DbTransactionFailedException MyServerTimeoutException ... MyAppBusinessRuleViolationException UsernameAlreadyExistsException ... where only MyAppInternalException & MyAppBusinessRuleViolationException would be catched.

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  • ExecuteNonQuery on a stored proc causes it to be deleted

    - by FinancialRadDeveloper
    This is a strange one. I have a Dev SQL Server which has the stored proc on it, and the same stored proc when used with the same code on the UAT DB causes it to delete itself! Has anyone heard of this behaviour? SQL Code: -- Check if user is registered with the system IF OBJECT_ID('dbo.sp_is_valid_user') IS NOT NULL BEGIN DROP PROCEDURE dbo.sp_is_valid_user IF OBJECT_ID('dbo.sp_is_valid_user') IS NOT NULL PRINT '<<< FAILED DROPPING PROCEDURE dbo.sp_is_valid_user >>>' ELSE PRINT '<<< DROPPED PROCEDURE dbo.sp_is_valid_user >>>' END go create procedure dbo.sp_is_valid_user @username as varchar(20), @isvalid as int OUTPUT AS BEGIN declare @tmpuser as varchar(20) select @tmpuser = username from CPUserData where username = @username if @tmpuser = @username BEGIN select @isvalid = 1 END else BEGIN select @isvalid = 0 END END GO Usage example DECLARE @isvalid int exec dbo.sp_is_valid_user 'username', @isvalid OUTPUT SELECT valid = @isvalid The usage example work all day... when I access it via C# it deletes itself in the UAT SQL DB but not the Dev one!! C# Code: public bool IsValidUser(string sUsername, ref string sErrMsg) { string sDBConn = ConfigurationSettings.AppSettings["StoredProcDBConnection"]; SqlCommand sqlcmd = new SqlCommand(); SqlDataAdapter sqlAdapter = new SqlDataAdapter(); try { SqlConnection conn = new SqlConnection(sDBConn); sqlcmd.Connection = conn; conn.Open(); sqlcmd.CommandType = CommandType.StoredProcedure; sqlcmd.CommandText = "sp_is_valid_user"; // params to pass in sqlcmd.Parameters.AddWithValue("@username", sUsername); // param for checking success passed back out sqlcmd.Parameters.Add("@isvalid", SqlDbType.Int); sqlcmd.Parameters["@isvalid"].Direction = ParameterDirection.Output; sqlcmd.ExecuteNonQuery(); int nIsValid = (int)sqlcmd.Parameters["@isvalid"].Value; if (nIsValid == 1) { conn.Close(); sErrMsg = "User Valid"; return true; } else { conn.Close(); sErrMsg = "Username : " + sUsername + " not found."; return false; } } catch (Exception e) { sErrMsg = "Error :" + e.Source + " msg: " + e.Message; return false; } }

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  • Spring Security 3.0 - Intercept-URL - All pages require authentication but one

    - by gav
    Hi All, I want any user to be able to submit their name to a volunteer form but only administrators to be able to view any other URL. Unfortunately I don't seem to be able to get this correct. My resources.xml are as follows; <?xml version="1.0" encoding="UTF-8"?> <beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd"> <http realm = "BumBumTrain Personnel list requires you to login" auto-config="true" use-expressions="true"> <http-basic/> <intercept-url pattern="/person/volunteer*" access=""/> <intercept-url pattern="/**" access="isAuthenticated()" /> </http> <authentication-manager alias="authenticationManager"> <authentication-provider> <user-service> <user name="admin" password="admin" authorities="ROLE_ADMIN"/> </user-service> </authentication-provider> </authentication-manager> </beans:beans> Specifically I am trying to achieve the access settings I described via; <intercept-url pattern="/person/volunteer*" access=""/> <intercept-url pattern="/**" access="isAuthenticated()" /> Could someone please describe how to use intercept-url to achieve the outcome I've described? Thanks Gav

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  • please give guidence on making a social networking website

    - by user287745
    what is an api, if a make a db and a social site in asp.net and c#, sql host it. how can i ask others to make applications for it? i mean how is that possible, i have the code, so API, is it a software? i want to make a site like facebook social networking site, but its proving to be very very difficult, Ajax java script and all that please help by providing examples, codes, readable, guidance, thank you, i has asked a similar question but deleted it as it was not clear thank you

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  • How SMTP server works? need an understanding

    - by Rajeev
    Hi, I am looking for understanding on how SMTP server works in an environment? example, if I wish to run only SMTP server on windows 2008 for an explicit application, which is running on it's web serer, app. server and DB server. Do i need to register the domain so as to send emails from my domain, if i wish to send emails to some users from that SMTP server.

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  • How to add share menu item to Gallery by code

    - by Anthony
    I know how to implement this issue by Menuifest.xml, see also: Google Android Developer Group related issue But my question is how to add share menu of Gallery by java code not Menuifest.xml. My code is as below: public class MyActivity extends Activity { private static final String TAG = "MyActivity"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(Intent.ACTION_SEND); intentFilter.addCategory(Intent.CATEGORY_DEFAULT); try { intentFilter.addDataType("image/*"); } catch (MalformedMimeTypeException e) { Log.e(TAG, e.toString()); } Intent x = registerReceiver(new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { Log.d(TAG, "Received intent "+intent); intent.setComponent(new ComponentName(context, Uploader.class)); startActivity(intent); } }, intentFilter); if (x==null) Log.i(TAG, "failed to regist a receiver"); else Log.i(TAG, "registed a receiver successfully"); // ... But registerReceiver always return null, and there is no menu added to Gallery's Share. Thank you. Anthony Xu

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  • How to override Equals on a object created by an Entity Data Model?

    - by jamone
    I have an Entity Data Model that I have created, and its pulling in records from a SQLite DB. One of the Tables is People, I want to override the person.Equals() method but I'm unsure where to go to make such a change since the Person object is auto-generated and I don't even see where that autogen code resides. I know how to override Equals on a hand made object, its just where to do that on an autogen one.

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  • My simple program runs on Android emulator, but not on my Nexus One

    - by noisesolo
    To clarify, I have no trouble getting the Nexus One connected in developer's mode. I can actually get Eclipse to "run" my program on my Nexus One. However, my Nexus One simply gets stuck in a reboot loop. I've also created an .apk file and put it onto my Nexus One, installing it with apkInstaller. However, it crashed while installing. I see my app on my phone, but I'm kind of afraid to run it. I am not doing anything fancy in my program; all it does is generate text by shuffling a couple arrays of strings together. It uses a bunch of text views, two buttons, and a spinner. I have only edited the main source file, the strings XML file, and the layout XML file, nothing else. It's a 2.1-update1 program and it runs fine on the emulator. Does anyone have any idea what's going on? I'm using Windows 7 (32 bit) and my Nexus One is running Cyanogen 5.0.7.1. I'm pretty sure it's my code that's causing the problem. Now I'm just wondering if there are any common mistakes that would lead my app to run on the emulator but not on my device. Thanks in advance.

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  • SVN - Permission Denied

    - by wsd
    I have set up a Linux Server and installed Apache and SVN and dav_svn on it. Now, when I try to upload to https://x.x.x.x:x/svn/repo with Tortoise SVN I get Can't open file '/server/svn/repo/db/txn-current-lock': Permission denied I have Set up my SSL correctly (I can checkout, no problems, even remotely due to Port Forwarding). I'm guessing this has to do with the Linux Ownership of the Repository folders, How must I set this/ what are the commands? I'm using Ubuntu 9.04 Server + Apache2.

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  • Rails OpenID Authentication Plugin No Longer Installs Rake Tasks?

    - by Rich Apodaca
    I'm following the Railscasts tutorial on using OpenID with AuthLogic. This command: $ script/plugin install git://github.com/rails/open_id_authentication.git installs the plugin, but I don't see any OpenID Rake tasks (rake -T). In particular, I can no longer run the task: $ rake open_id_authentication:db:create With previous applications, the Rake tasks were installed without a problem, so what's changed with the plugin? Which version of the plugin do I need to get the behavior I'm looking for? Using Rails 2.3.5.

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  • how can i insert a new sitemap with google gdata api? it returns 400 bad request

    - by wingoo
    i try to insert a new sitemap to google using api, but i can't do it successful-_- this is the method var fullDomainUrl = "http://www.example.com/"; var entry = new SitemapsEntry(); entry.Id = new AtomId(fullDomainUrl + "sitemap.xml"); entry.Categories.Add(new AtomCategory("http://schemas.google.com/webmasters/tools/2007#site-info", new AtomUri("http://schemas.google.com/g/2005#kind"))); entry.SitemapType = "WEB"; myService.Insert(new Uri(string.Format("https://www.google.com/webmasters/tools/feeds/{0}/sitemaps/", HttpUtility.UrlEncode(fullDomainUrl))), entry); this will retuen a 400 bad requestand i try another method var settings = new RequestSettings("TesterApp1", domain.GoogleAuthToken, CommonService.GetRsaPrivateKey(Context)); var request = new WebmasterToolsRequest(settings); var sitemap = new Sitemap(); sitemap.Id = fullDomainUrl + "sitemap.xml"; sitemap.Categories.Add(new AtomCategory("http://schemas.google.com/webmasters/tools/2007#site-info", new AtomUri("http://schemas.google.com/g/2005#kind"))); sitemap.SitemapType = "WEB"; //request.AddSitemap(fullDomainUrl, sitemap); request.Insert(new Uri(string.Format("https://www.google.com/webmasters/tools/feeds/{0}/sitemaps/", HttpUtility.UrlEncode(fullDomainUrl))), sitemap); this also return a 400 bad request and then i try to use HttpWebRequest to post the atom to google,but it also return a 400 bad request(???") i can insert/update site successful,but can;t insert a new sitemap.. does any can give a right code with .net?

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  • Multicore solr on Ubuntu 10.04 working for anyone?

    - by coleifer
    Following instructions from the two sites below, I've installed tomcat6 and solr 1.4 http://gist.github.com/204638 https://wiki.fourkitchens.com/display/TECH/Solr+1.4+on+Ubuntu+9.10+and+CentOS+5 I have successfully got it up and running on a server running 9.04 with multicore support, but on the 10.04 I can't seem to get it to work. I am able to reach localhost:xxxx/solr/ on the 10.04 box and see a single link to the Solr Admin, but following the link takes me to a 404 page with the following output: /solr/admin/ HTTP Status 404 - missing core name in path The requested resource (missing core name in path) is not available I am also unable to access /solr/site1/ as I would except - it similarly returns a 404 <!-- from /var/solr/solr.xml, site dirs exist --> <cores adminPath="/admin/cores"> <core name="site1" instanceDir="site1" /> <core name="site2" instanceDir="site2" /> </cores> <!-- from /etc/tomcat6/Catalina/localhost/solr.xml --> <Context docBase="/var/solr/solr.war" debug="0" privileged="true" allowLinking="true" crossContext="true"> <Environment name="solr/home" type="java.lang.String" value="/var/solr" override="true" /> </Context>

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  • jquery plugin - autoSuggest

    - by Abu Hamzah
    please help me to choose the best plug-in in my particular scenario, I am building a page where user will enter his/her first or last name initial and it will populate the name and I have around 25k records in my db. what do you guys recommend?

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  • to track the modified rows and manually update from the TClientDataSet's Delta

    - by Vijay Bobba
    hi, Is there any way to manually track the changes done to a clientdataset's delta and update the changes manually on to then db. i have dynamically created a clientdataset and with out a provider i am able to load it with a tquery, now user will do some insert update and delete operations on the data available in the cds, and at final stage these data(modified) should be post in to database by using a tquery(not apply updates)..

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  • JSF and CXF not working together

    - by Milan
    I want to make dynamic web service invoker in JSF with CXF. But when I load this simple code I get error. The code: JaxWsDynamicClientFactory dcf = JaxWsDynamicClientFactory.newInstance(); Client client = dcf.createClient("http://ws.strikeiron.com/IPLookup2?wsdl"); The error: No Factories configured for this Application. This happens if the faces-initialization does not work at all - make sure that you properly include all configuration settings necessary for a basic faces application and that all the necessary libs are included. Also check the logging output of your web application and your container for any exceptions! If you did that and find nothing, the mistake might be due to the fact that you use some special web-containers which do not support registering context-listeners via TLD files and a context listener is not setup in your web.xml. A typical config looks like this; org.apache.myfaces.webapp.StartupServletContextListener Caused by: java.lang.IllegalStateException - No Factories configured for this Application. This happens if the faces-initialization does not work at all - make sure that you properly include all configuration settings necessary for a basic faces application and that all the necessary libs are included. Also check the logging output of your web application and your container for any exceptions! If you did that and find nothing, the mistake might be due to the fact that you use some special web-containers which do not support registering context-listeners via TLD files and a context listener is not setup in your web.xml. A typical config looks like this; org.apache.myfaces.webapp.StartupServletContextListener Any Idea how to solve the problem? I'm using Tomcat 6.

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  • What's the diff between VSS 6.0 and VSS 2005?

    - by Peter Turner
    We've been using VSS 6.0 since time began, but yesterday I nabbed VSS2005 off of our MSDN subscription, it wouldn't let me install it off the ISO through Daemon Tools (not sure why, but I submitted error report to MS...). I noticed it had a program files directory right on the ISO, so I just copied the folder onto my hard drive. Well, I opened up the client and behold, a glamorous version of VSS 6.0 connected to the exact same DB. Anyone know if I'm going to destroy everything by using it?

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  • Populate an SQL Server 2k8 with Oracle Loader files

    - by Techpriester
    Hi folks. Here's the problem: I have a project that needs to be migrated to Microsoft SQL Server 2008. We have data in text files for the Oracle SQL Loader and now we need to get that data into the SQL Server DB. I could write a program that converts everything into INSERT statements but there has to be a more comfortable way to so this. Any suggestions? PS: I don't think my company wants to buy additional Software to do this job so that's out.

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  • XSLT: use parameters in xls:sort attributes

    - by fireeyedboy
    How do I apply a parameter to a select and order attribute in a xsl:sort element? I'ld like to do this dynamic with PHP with something like this: $xsl = new XSLTProcessor(); $xslDoc = new DOMDocument(); $xslDoc->load( $this->_xslFilePath ); $xsl->importStyleSheet( $xslDoc ); $xsl->setParameter( '', 'sortBy', 'viewCount' ); $xsl->setParameter( '', 'order', 'descending' ); But I'ld first have to now how to get this to work. I tried the following, but it gives me a 'compilation error' : 'invalid value $order for order'. $sortBy doesn't seem to do anything either: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes"/> <xsl:param name="sortBy" select="viewCount"/> <xsl:param name="order" select="descending"/> <xsl:template match="/"> <media> <xsl:for-each select="media/medium"> <xsl:sort select="$sortBy" order="$order"/> // <someoutput> </xsl:for-each> </media> </xsl:template> </xsl:stylesheet>

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  • What is Service Broker ?

    - by Nasser Hajloo
    What is Service Broker in SQL Server and is it meaningful to enableitin a simple Database, Not in a distributed DB. please do not close this question, I saw others similar question and non of them answered me.

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