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Questions tagged [entities]

Entity-relationship model (ER model for short) is an abstract and conceptual representation of data.

In software engineering, an entity-relationship model (ER model for short) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational database, and its requirements in a top-down fashion. Diagrams created by this process are called entity-relationship diagrams or ER diagrams.

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Coredata - Using configurations to manage transient entities

I'm trying to use configurations to manage transient entities in core data. First, i have created 2 coredata configurations named "Persistent" and "Transient". Then, i have created the entities and i have associated them with the right…
Laurent Michenaud
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JPA EntityManager not removing entities

I want to delete a list of entities from database. List letterToDel - the list of entities. I tried to remove this list in many ways. I create one transaction and delete each entity in loop EntityTransaction trx =…
Mary Ryllo
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How can I regenerate entities without deleting them?

I added a column to one of my MySQL tables and went to go regenerate my entities and while it did appear to be regenerating, I don't see the column I added reflected in the model. Does IntelliJ not support regeneration of entities, or is there…
Ben
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Clear Doctrine's Cache of Entity Classes?

Originally I had my entity classes (PHP with annotations for Doctrine) in the models folder of my CodeIgniter setup. I decided this wasn't such a great idea so I moved all of my entities into an "Entities" folder and updated my Doctrine.php file…
celestialorb
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Where do my own classes go in CodeIgniter 2.1.2?

I have some problems to use my own classes using codeigniter. If it is not an error, it always says that the class can not be loaded. For example, I created a class "Student" with atributes and only getter and setter methods, so I need to use that…
user2065593
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How to change EF CodeFirst multiplicity from one to zero/one?

Imagine I have two entities: public class User{ public Guid UserId { get; set; } } public class Country{ public Guid CountryId {get; set;} public virtual List Users {get; set;} } If I try to add a user who doesn't belong to any…
Eduardo Brites
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Java Hibernate : org.hibernate.MappingException: Unknown entity

i have a problem using hibernate with my java project and i hope that you can help me: First, here is some of my code: The Entity class package de.zaed.entities; import javax.persistence.CascadeType; import javax.persistence.Entity; import…
kaQn4p
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Properties by reflection

how can access sub class properties?, I can access Y properties, in this case Name, but not x, another case is the same but instead of single reference of x, with a list of x, in this second case how iterate every object. public class X { …
Crashman
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How to retrieve an array of entities from the reques object?

I have an entity field type in my form, but then when I try to get the values from the controller I get an error. This is my form builder $builder ->add('recursos', 'entity', array( 'class' =>…
JhovaniC
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PHP get HTML - missing characters

Possible Duplicate: how to convert ISO 8859-1 Characters to UTF-8 i would like to get the HTML content of this uRL: http://www.20minutos.es/noticia/1635461/0/aforo/madrid-arena/vigilantes/ But there are missing characters (like 'ñ' or 'á',…
user1688569
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netbeans web service restful uri

I've a little and simple database and I would like to create some web services to understand netbeans wizard. I've a three table: Regione (1:n) Provincia (1:n) Comune When I get http://myhost/webservices/regione I have this response:
CeccoCQ
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VB.Net Silverlight 5 SQL Entities Searching

Im making a silverlight 5 application and im using RIA WCS services to connect to sql, i can add data,delete data, edit data, and get all data, but the problem is that i need to retrieve a specific record not the whole entity, when i try the…
H K
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jquery showing html tags instead of formatting them when brought in using PHP

I have some data stored in my database such as <b>Availability:</b> I am then echoing this out into 'data-promo' attribute PHP using html_entity_decode
Aaron Lumsden
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Fetching with an id in Core Data

I have a Core Data in my application. One of the entity is Details. Details have 2 attributes named guid and the other is details. Both attributes contain a lot of values. At the point of fetching, I have to take the details of the corresponding…
iOS Developer
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How to automate relationship testing in Doctrine2 entities and mappings?

My team and i have a large web application we're porting to use the Symfony framework which includes Doctrine2 for data access. As we're just starting, we're wondering about regression testing for the entity relationships later on. We have a large…
Gary Willoughby
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