persistence

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JPA - One to One relationship with shared primary key among multiple tables

Consider the below example: I have 3 tables: Fruit, Orange and Apple id is generated in fruit table and is the primary key here[详细]

2023-04-10 15:16 分类：问答
Ebean and playframework

In play 2.0 Ebean should become the default persistence l开发者_如何学编程ayer. And after a few days of hibernate frustration I started a look on Ebean. I[详细]

2023-04-09 09:40 分类：问答
Spring ROO GWT Select by reference

I created a GWT Spring ROO project with the following entities: Facture and ItemFacture. ItemFacture contains a reference to a Facture.[详细]

2023-04-09 09:38 分类：问答
Force Hibernate Insert Without Select Statements

I am attempting to insert a new record into a table that I know is unique before hand. I have tried calling save() on the object, but that does a bu开发者_如何学JAVAnch of SELECT statements before doi[详细]

2023-04-08 21:36 分类：问答
Persistent Code Memoization in Compilers and Run-Times Environments

I believe the concept of a code-cache (for example ccache) should be extended into a more fine-grained memoization of both intermediate code (IC) and target code (TC) in compilers such as GCC or LLVM+[详细]

2023-04-08 17:06 分类：问答
JAVA the smartest embedded persistance solution

I\'m developing GWT application, so I hav开发者_StackOverflow社区e JAVA server with next to nothing configuration. And I\'m in need of persisting my DomainObjects.[详细]

2023-04-08 05:46 分类：问答
Reasons for and against objects handling their own persistence [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing th[详细]

2023-04-07 18:35 分类：问答
How can i map a POJO to a directory with ApacheDs?

i have downloaded ApacheDS as my LDAP server, now i am trying to map a pojo to a directory, is there any ODM (Object Directory Mapper) out there? i mean something like Hibernate but for LDAP.[详细]

2023-04-07 15:12 分类：问答
Spring persistence layer for dynamic queries

I have legacy app having its own persistent laye开发者_Python百科r. I cannot call it a framework but it does its job although very complicated and not componentised so gets very difficult to extend or[详细]

2023-04-07 14:45 分类：问答
python: simple way to input python data from file

In a shell script one might do something like: myvar=\'default_value\' source myfile.sh echo $myvar where myfile.sh is something like:[详细]

2023-04-07 10:23 分类：问答