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EF CTP4: For Code Only, no database generation needed, how much DB info is needed?
Category : Coding

I have a database, and I have entity POCO's, and all I want to use EF for is to map between the two and keep track of changes for loading, saving, etc.

I have been reading a lot of the literature (such as it is) on "Code First", and I am unclear on how much of the database information I need to supply when there is not going to be a database generated.

For example, does

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Linq in C# Query needed - One to many table relationship, one to many records needed
Category : C & C++ & C#

need help to accomplish this in linq.

I have 3 tables.




I need to list in one query all customers ( only if they have placed atleast one order) with all the orders for each customer only if order value is greated than 100.



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Help needed implementing a web based file management system with a file hierarchy system, help needed with logic on storing of fileLocation and folder
Category : Programming Languages

i am trying to create a web application that will allow users to upload files online, i am using gwt while using hibernate for database communication, i am able to upload file to a server , and store them on the server. but what i want is to associate the files with a user.

i want the user to be able to create folders and store a file in sub folders. my logic was to use the composi

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awk help needed :
Category : Programming Languages

I have a file with the contents as such:

item1 item2 <--- can be 1 or more and up to probably 10+



item2 item3 item4 <-- 1 or more as well






And this data needs to be formatted into:

item1 date1 date2

item2 date1 d

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TAGS : help needed

Why Is UDP Needed?
Category : Computers
The User Datagram Protocol, or UDP is part of the TCP/IP suite of networking protocols. TCP/IP, Transmission Control Protocol/Internet Protocol is the most widely used set of protocols for formatting data for transfer over networks. UDP is one of two transport protocols in the group. The other being the more popular Transmission Control Protocol. Although, for many years, few applications used UDP

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TAGS : Needed

When Is CPR Needed?
Category : Health
CPR stands for cardiopulmonary resuscitation. It consists of forceful downward thrusts upon the center of the chest, and sometimes rescue breathing or artificial respiration. CPR is used to sustain life until other medical treatments can be initiated. UsesTraditionally, rescuers were advised to initiate CPR when the victim was unresponsive and had no breath sounds and/or no pulse. In June 2009,

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TAGS : When Needed

EJB help needed
Category : Web Design
public void runTest() throws Exception {
InitialContext ctx = new InitialContext();
ResourceManager bean = (ResourceManager) ctx.lookup("ejb/ResourceManagerJNDI");

Hello. So i'm trying to create an EJB application, and this is the test client for it. the JNDI lookup is successful but when calling

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TAGS : help needed

AEP help needed
Category : Web Design

Can the AEP Stored procedure functions have additional paramenters added?

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TAGS : help needed

What Is Needed for a PhD?
Category : Education
The requirements for a PhD, or Philosophy of Doctorate degree, vary widely, depending on the institution, course of study and the student's background coming into the program. Students with coursework in the chosen field will find a challenging curriculum, although students coming in from a different field or seeking a career change will find it even more so. Prerequisites, core courses, additiona

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TAGS : What Needed

New to QT help needed
Category : Operating Systems

i am new to QT, i don't have any knowledge about it.
from scratch i need to learn, if you people have some tutorials or some technical blogs please
feel free to share with me..
i have seen some stuffs in troltech, tell me any thing else apart from it.


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TAGS : help needed

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