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• generate only objectLayer of Entity Framework Model by edmgen tool

  - by loviji

  How to generate only objectLayer by edmgen tool, without generating csdl, ssdl and views ? *"%windir%\Microsoft.NET\Framework\v4.0.30319\edmgen.exe" /mode:fullgeneration /c:"Data Source=.\sqlexpress; Initial Catalog=uqs; Integrated Security=SSPI" /project:generateEntityModel /entitycontainer:uqsEntities /namespace:uqsModel /language:CSharp /outobjectlayer:"D:/uqsObjectLayer.cs" * in this script I don't write location to write csdl, ssdl and views , but they are generated in C:\Users\adminUser in windows Vista and objectLayer generated to D:/uqsObjectLayer.cs. If I use /mode:EntityClassGeneration, this option requires the /incsdl argument and either the /project argument or the /outobjectlayer argument. The /language argument is optional. But I don't want use csdl file. As I understand, edmgen.tool can not create objectlayer without csdl file. Now is there alternate way or tool for generating objectlayer from db?

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• LicenseException for Xceed DataGrid for WPF

  - by ewall

  I have developed a simple DB-editing app using Xceed's excellent DataGrid for WPF (UX Edition version 3.7), which is now ready for deployment... except that when I run it on a machine other than the development one where it was built, I am getting the runtime exception for invalid licensing. I have included my license key in the App.xaml.cs exactly as specified in the Xceed docs, like so: public partial class App : System.Windows.Application { protected override void OnStartup(StartupEventArgs e) { Xceed.Wpf.DataGrid.Licenser.LicenseKey = "DGF37-xxxxx-xxxxx-xxxx"; base.OnStartup(e); } } The correct version of the DataGrid DLLs are being included in the setup and the application's program directory, and there are no other versions on the target machine. Debugging doesn't show me anything useful other than the LicenseException that is thrown when the code tries to use the DataGrid, with the message that reads "Xceed.Wpf.DataGrid.Licenser.LicenseKey property must be set to a valid license key in the code of your application before using this product..." Any idea what's going wrong here?

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• store multiple id's from first aspx page to next aspx page

  - by poller

  i have my first aspx page that has data thatthe user fills in. it is in format of textbox's and at the end of it all the user clicks submit and all data goes in the database. In the database each record gets an ID field. Now when the users clicks submit and goes to the next page, i want the ID's (they could be 1 to 1000+) from the DB that he just inserted and have them available on the second page. how can i take all the id's from page 1 to page 2? can i do it in session? or something else. Please put some sample code so i can understand better.

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• Java 1.4 to Java 6 migration

  - by joesatch

  Hi, I have some enterprise apps running on Java 1.4. They mostly invoke Stored Proces on DB, Parse XML files (Not too large files, at the most few megs), read/write from/to disk. We have a requirement where now we have to migrate these apps to Java 6(No code changes to be done at all). My questions: If I dont recompile my apps under Java 6 and just run them with it, will it work fine (I know they 'should'). But if somebody thinks other way round, could you kindly share your thoughts please? More important question is - Will it have any perfomance impact?. As in, App compiled on 1.4 and running on 1.6 vs App compiled and running on 1.6. Is 1.6 gonna do any bytecode optimization for the same old peace of code compared to 1.4? Many Thanks js

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• Multithreading/Parallel Processing in PHP

  - by manyxcxi

  I have a PHP script that will generate a report using PHPExcel from data queried from a MySQL DB. Currently, it is linear in processing in that it gets the data back from MySQL, reads in the Excel template, writes the data to the template, then outputs it. I have optimized the code to the point that the data is only iterated over once, and there is very little processing done on the PHP side. The query returns hundreds of lines in less than .001 seconds, so it is running fast enough. After some timing I have found my bottlenecks to be (surprise, surprise) reading the template and writing the output. I would like to do this: Spawn a thread/process to read the template Spawn a thread/process to fetch the data Return back to parent thread - Parent thread will wait until both are complete Proceed on as normal My main questions are is this possible, is it worth it? If yes to both, how would you tackle it? Also, it is PHP 5 on CentOS

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• Best way of implementing a batch like operation in a RESTful architecture?

  - by Nirav

  Hello, We have a predominantly RESTful architecture for our product. This enables us to nicely implement almost all of the required functionality, except this new requirement thats come in. I need to implement a page which lets the user to large scale DB operations synchronously. They can stop the operation in between, if they realized they made a mistake (rather than waiting for it to complete and doing an undo operation) I was wondering if some one could give some pointers as to what would be the best way to implement such a functionality? Cheers! Nirav

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• SQL 2000 Not Supported by .NET Framework Data Provider for SQL Server in VS2010's Server Explorer D

  - by Canoehead

  Just tried creating a data connection to a SQL 2000 database in VS2010's Server Explorer using a .NET Framework Data Provider for SQL Server (versus OLE) and found that it didn't work. VS2010 complained that I had to use SQL Server 2005 and up. This used to work in VS2008 (using .NET Framework Data Provider for SQL Server instead of the .NET Framework Data Provider for OLE DB). Is this just a VS2010 restriction or has the ability to connect to SQL 2000 with .NET Framework Data Provider for SQL Server been obsoleted in a post-2.0 version of .NET being used by VS2010? Anyone know why this was done by MS (please don't speculate - I can do that myself ;)?

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• Grails Shiro plugin : confirming my understanding

  - by bsreekanth

  I'm bit vague about how to start using the shiro plugin, after reading few documents. I decided against Nimble, as it comes with few tables and UI plugins. I setup shiro plugin with wildcard realm, with my own tables. I may use permission based (rather tan role based) access control as it scales well. Now, the steps for it. assign the permission string to the subject, and save it in the db check the permission through isPermitted, hasPermission (or relevant tags in GSP). Now, 1. when to use the accesscontrol through filter? 2. is there a closure injected into the controller where I can define the permission for the actions in it? 3. How do I create a typical access control scenario like only the creator of (something, a post etc) can delete it? thanks a lot.. Babu.

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• LinkedIn type friends connection required in php

  - by Akash

  Hi, I am creating a custom social network for one of my clients. In this I am storing the friends of a user in the form of CSV as shown below in the user table uid user_name friends 1 John 2 2 Jack 3,1 3 Gary 2,4 4 Joey 3 In the above scenario if the logged in user is John and if he visits the profile page of Joey, the connection between them should appear as John-Jack-Gary-Joey I am able to establish the connection at level 1 i.e If Jack visits Joey's profile I am able to establish the following : Jack-Gary-Joey But for the 2nd level I need to get into the same routine of for loops which I know is not the right solution + I am not able to implement that as well. So, can someone please help me with this? Thanks in Advance, Akash P:S I am not in a position to change the db architecture :(

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• How to Test a Multi-Tenant App with support for multiple domains

  - by asifch

  HI, we are building a multi-tenant application, which will support that each tenant can have a unique top level domain, the application is build using the asp.net 3.5 and SQL servr 2005, while each tenant will have different database. I have seen a number of questions about the similar applications on the StackOverFlow, but none of them is related to the Testing, I want to know is how one can test the application in a development environment, specially How can we test that each customer connects to his own DB based on the URL. how can we emulate different domains on the local system. like abc.com and xyz.com all goes to dev machine's IIS. Any recommendations which might help us in the developing process of such an application.

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• Thrift and .NET - Is this is right combination?

  - by Vadi

  I've been evaluating various technologies for a Social Networking project. The Thrift kind of interested me to evaluate. The advantage I see using Thrift is I can even come with C++ services when the computation in any such business is huge and may not fits with .NET etc., Please suggest your comments. My Questions: Is the open-sourced one is production-ready? Is it the right stack for services layer to choose when the application (GUI) is primarily gets developed in ASP.NET and DB is SQL Server? Is there any other caveats

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• Hibernates generates VARBINARY column with JPA @Enumerated annotation

  - by tran

  Hibernates is generating a VARBINARY column with JPA @Enumerated annotation. I'm using SQL Server 2005 w/ JTDS driver. The mapping is dirt simple: @Basic @Enumerated(EnumType.ORDINAL) private MyEnum foo; I would have expected Hibernate to generate an integer column? I've also tried EnumType.STRING (expecting a varchar column) with no success. Note that my app works fine; the column type makes it hard to inspect the DB, and to issue adhoc SQL when poking at the database.

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• SSIS- Sharepoint list data transfer issue

  - by Vicky

  Hi , We are trying to transfer data from oracle database (about 60,0000) records only to a sharepoint list using SSIS. But we are getting following error when records reaches around 19000 . The attempt to add a row to the Data Flow task buffer failed with error code 0xC0047020 and System.ServiceModel.ProtocolException: The remote server returned an unexpected response: (400) Bad Request. Earlier we thought if could because of Sharepoint list limit so we tried by reducing two of the columns and then it has went fine. So we left with one of the column of Datatype DT_STR and length 400 in oracle beacuse of which issue might be happening, It is mapped to sharepoint custom list field of multiline type. We also verified if length of field is issue but in oracle DB for all records max length for this column is only 239 so length issue is also ruled out. Any one who has faced this kind of issue or knows cause of this issue.Kindly let us know.. Thanks and regards, Vicky

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• C# best means to store data locally when offline

  - by mickartz

  I am in the midst of writing a small program (more to experiment with vs 2010 than anything else) Despite being an experiment it has some practical use for our local athletics club. My thought was to access the DB (currently online) to download the current members and store locally on a laptop (this is a MS sql table, used to power the club's website). take the laptop to the event (yes there ARE places that don't have internet coverage), add members to that days race (also a row from a sql table (though no changes would be made to this), record results (new records in 3rd table) Once home, showered and within internet access again, upload/edit the tables as per the race results/member changes etc. So I was thinking i'd do something like write xml files locally with the data, including a field to indicate changes etc? If anyone can point me in a direction i would appreciate it...hell if anyone could tell me if this has a name!!..I'd appreciate it TIA Michael Artz

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• Recordset Paging works in IIS6 but not in IIIS7

  - by Spudhead

  Hi there, I've got a recordset/paging set up - works fine in IIS6 but when I run the site on an IIS7 server I get the following error: Microsoft OLE DB Provider for SQL Server error '80004005' [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied. /orders.asp, line 197 the code looks like this: Set objPagingConn = Server.CreateObject("ADODB.Connection") objPagingConn.Open CONN_STRING Set objPagingRS = Server.CreateObject("ADODB.Recordset") objPagingRS.PageSize = iPageSize objPagingRS.CacheSize = iPageSize objPagingRS.Open strSQL, objPagingConn, adOpenStatic, adLockReadOnly, adCmdText iPageCount = objPagingRS.PageCount iRecordCount = objPagingRS.RecordCount Line 197 is the objPagingConn,Open ... line. I've got about 10 sites like this to migrate - is there a simple fix in IIS7??? Help is greatly appreciated! Many thanks, Martin

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• Django Managers

  - by owca

  I have the following models code : from django.db import models from categories.models import Category class MusicManager(models.Manager): def get_query_set(self): return super(MusicManager, self).get_query_set().filter(category='Music') def count_music(self): return self.all().count() class SportManager(models.Manager): def get_query_set(self): return super(MusicManager, self).get_query_set().filter(category='Sport') class Event(models.Model): title = models.CharField(max_length=120) category = models.ForeignKey(Category) objects = models.Manager() music = MusicManager() sport = SportManager() Now by registering MusicManager() and SportManager() I am able to call Event.music.all() and Event.sport.all() queries. But how can I create Event.music.count() ? Should I call self.all() in count_music() function of MusicManager to query only on elements with 'Music' category or do I still need to filter through them in search for category first ?

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• WCF Windows Service - Long operations/Callback to calling module

  - by A9S6

  I have a Windows Service that takes the name of a bunch of files and do operations on them (zip/unzip, updating db etc). The operations can take time depending on size and number of files sent to the service. (1) The module that is sending a request to this service waits until the files are processed. I want to know if there is a way to provide a callback in the service that will notify the calling module when it is finished processing the files. Please note that multiple modules can call the service at a time to process files so the service will need to provide some kind of a TaskId I guess. (2) If a service method is called and is running and another call is made to the same service, then how will that call be processed(I think there is only one thread asociated with the service). I have seen that when the service is taking time in processing a method, the threads associated with the service begin to increase.

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• Sort list of items in Django

  - by mridang

  Hi Guys, I have a Django view called change_priority. I'm posting a request to this view with a commas separated list of values which is basically the order of the items in my model. The data looks like this: 1,4,11,31,2,4,7 I have a model called Items which has two values - id and priority. Upon getting this post request, how can I set the priority of the Item depending upon the list order. So my data in the db would look like. 1,1 4,2 11,3 31,4 2,5 4,6 7,7 Thanks guys.

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• Exception with Subsonic 2.2, SQLite and Migrations

  - by Holger Amann

  Hi, I'm playing with Migrations and created a simple migration like public class Migration001 : Migration { public override void Up() { TableSchema.Table testTable = CreateTableWithKey("TestTable"); } public override void Down() { } } after executing sonic.exe migrate I'm getting the following output: Setting ConfigPath: 'App.config' Building configuration from c:\tmp\MigrationTest\MigrationTest\App.config Adding connection to SQLiteProvider Found 1 migration files Current DB Version is 0 Migrating to 001_Init (1) There was an error running migration (001_Init): SQLite error near "IDENTITY": syntax error Stack Trace: at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] argum ents, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] argume nts, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwn er) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invoke Attr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisib ilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invoke Attr, Binder binder, Object[] parameters, CultureInfo culture) at SubSonic.CodeRunner.RunAndExecute(ICodeLanguage lang, String sourceCode, S tring methodName, Object[] parameters) in D:\@SubSonic\SubSonic\SubSonic.Migrati ons\CodeRunner.cs:line 95 at SubSonic.Migrations.Migrator.ExecuteMigrationCode(String migrationFile) in D:\@SubSonic\SubSonic\SubSonic.Migrations\Migrator.cs:line 177 at SubSonic.Migrations.Migrator.Migrate() in D:\@SubSonic\SubSonic\SubSonic.M igrations\Migrator.cs:line 141 Any hints?

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• SSIS - Wizard vs manual vs programming

  - by alchemical

  I'd like to move 26 tables from one DB to another. I see I can do this in the SSIS Import and Export Wizard. I believe the other approach would be to select tools from the toolbar in Data Flow and then configure them all. When is it better to use the wizard and when is it best to create the package manually (with the visual tools) or programmatically? One thing I noticed with the Wizard is that it lets me select multiple tables at once, but I could not find a way to get back to that screen once the package is created, so that I could edit the various tables all in one place.

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• ASP.NET Membership Provider - Single Login

  - by RSolberg

  I'm considering utilizing the ASP.NET Membership Provider for a few different web apps/tools with a single login approach. REQUIREMENTS User logs in to my.domain.com and sees a list of apps/tools that they have permission to use. The user selects the tool they'd like to use and clicks the link. When the tool opens, it is able to identify that they are currently logged in and who they are to identify any unique permissions to the application. I know that each app could simply point to the same back end Membership Provider DB, however will each app require a login or will it be able to identify if the user is already logged in?

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• Synchronizing two SQL Server databases using MS Sync Framework

  - by Immortal

  I have one central SQL Server database which can be offline from time to time. I have a desktop application using Local DB Cache (SQL CE) to synchronize with the central database and I also have a web application with its own SQL Server that I'd also would like to keep synchronized. All synchronizations must be bidirectional. Is there a way to synchronize my central database with web application's database in the same way as I synchronize my central database with desktop client? I know about collaboration scenarios and peer-to-peer synchronization but I would like to avoid manual provisioning of databases. I'd like to use integrated sql server 2008 change tracking just like in the SQL CE <-- SQL Server scenario.

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• c# gridview row click

  - by Martijn

  When i click on a row in my gridview, i want to go to a other page with the id i get from the database. In my RowCreated event i have the following line: e.Row.Attributes.Add("onClick", ClientScript.GetPostBackClientHyperlink(this.grdSearchResults, "Select$" + e.Row.RowIndex)); To prevent error messages i have this code: protected override void Render(HtmlTextWriter writer) { // .NET will refuse to accept "unknown" postbacks for security reasons. Because of this we have to register all possible callbacks // This must be done in Render, hence the override for (int i = 0; i < grdSearchResults.Rows.Count; i++) { Page.ClientScript.RegisterForEventValidation(new System.Web.UI.PostBackOptions(grdSearchResults, "Select$" + i.ToString())); } // Do the standard rendering stuff base.Render(writer); } My question is, how can i give a row a unique id (from the DB) and when i click the row, another page is opened (like clicking on a href) and that page can read the id. Thnx

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• I'm going to write 'Unit of Work', please help me find out all gimmicks

  - by o..o

  Hi everybody, I'm going to write my own DAL in C#. I decided to use 'Unit of Work' pattern (next mentioned as uow) with request as a scope and Identity map stored in HttpContext.Items. I have right now question about implementing of CRUD methods. How/where are they implemented? Are they implemented in every single business class (as in active records pattern) or are implemented somehow in uow class (if so, how)? I also suppose that I need to use as the scope not just the request, but also the db connection. But how? Should I open the connection a the start of the request and close it on uow disposing? Every advice is strongly appreciated, especially Your "real world" experiences. Thank you all :)

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• In Django, can you add a method to querysets?

  - by Paul D. Waite

  In Django, if I have a model class, e.g. from django.db import models class Transaction(models.Model): ... then if I want to add methods to the model, to store reasonably complex filters, I can add a custom model manager, e.g. class TransactionManager(models.Manager): def reasonable_complex_filter(self): return self.get_query_set().filter(...) class Transaction(models.Model): objects = TransactionManager() And then I can do: >>> Transaction.objects.reasonably_complex_filter() Is there any way I can add a custom method that can be chained to the end of a query set from the model? I.e. add the custom method in such a way that I can do this: >>> Transaction.objects.filter(...).reasonably_complex_filter()

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