db4o

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Retrieve an object in one DB4O session, store in another ('disconnected scenario')

I am trying to figure out how to keep an object useable between client sessions in DB4O. From what I understand, once a client session is closed, the object no longer resides in any cache and despite[详细]

2023-03-01 17:04 分类：问答
DB4o HashMap toString()

As a learning tool for DB4o and Java I have started to create a Telephone Directory. To do this I create an instance of a TelephoneDirectory which contains a year and a HashMap of entries.[详细]

2023-02-28 09:52 分类：问答
problem with connecting to server

I have a problem connecting to a port in asp.net web application. This is the code that i\'m using: internal static IObjectContainer Client[详细]

2023-02-24 08:58 分类：问答
Is Eloquera or db4o better suited for my web application?

I\'m considering using an object oriented database in Visual Studio .NET for my web application, which is basically a web store.[详细]

2023-02-23 12:45 分类：问答
Query regarding database connectivity in db4o

I\'m creating a db4o object (namely Customer.yap) and if it is already created i just insert new objects into the existing object (namely Customer.yap) .[详细]

2023-02-23 07:05 分类：问答
web application in DB4O

If I\'m going to develop a web 开发者_JS百科application in ASP.NET using db4o what kind of database would it be: local or remote type, and why?I think you mean \"embedded\" vs \"client server\" (those[详细]

2023-02-22 22:10 分类：问答
db4o - count number of total records in database?

I am using db4o and was wondering, how can I g开发者_StackOverflow社区et the total number of objects in the database?There isn\'t an explicit way using the API; however, I can write a query to simply[详细]

2023-02-19 16:30 分类：问答
db4o in .NET: Properties or Fields?

I\'m starting out with db4o in .NET 4.0. Should I be using fields or properties for persistent objects?[详细]

2023-02-16 12:23 分类：问答
Simultaneous db4o file access

How can I simultaneously access my .db4o database from the Visual Studio\'s Object Manager Enterprise (OME) db4o plugin and from my application?[详细]

2023-02-14 20:56 分类：问答
Using DateTime under db4o with native SODA queries?

Under db4o, I\'m attempting to con开发者_JAVA百科strain by a \"new DateTime(2010,10,14)\" but it doesn\'t seem to work - any opinions on how to fix this?Got it:[详细]

2023-02-13 14:11 分类：问答