Skip to content
IT Nursery
  • Home
  • Programming
    • Mac / IOS
    • Android
    • Web Applications
    • PHP
    • Java
    • C
    • C++
  • DataBase
    • MySQL
  • CMS
    • WordPress
  • System and Network
    • Serverfault

associations

What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?

by IT Nursery

What is the difference between Unidirectional and Bidirectional associations? Since the table generated in the db are all the same,so the only difference … Read more

Tags associations, hibernate, java, jpa, orm

Rails :dependent => :destroy VS :dependent => :delete_all

by IT Nursery

In rails guides it’s described like this: Objects will be in addition destroyed if they’re associated with :dependent => :destroy, and deleted if … Read more

Tags associations, model, ruby, ruby-on-rails

What is causing this ActiveRecord::ReadOnlyRecord error?

by IT Nursery

This follows this prior question, which was answered. I actually discovered I could remove a join from that query, so now the working … Read more

Tags activerecord, associations, join, ruby, ruby-on-rails

What is the difference between association, aggregation and composition?

by IT Nursery

What is the difference between association, aggregation, and composition? Please explain in terms of implementation. 20 s 20 For two objects, Foo and … Read more

Tags aggregation, associations, composition, oop, uml

Recent Posts

  • Advice for improving internal dashboard [closed]
  • grep : ‘+’ special character
  • File location for Syslogs in Centos machine
  • How to collect users’ task completion times?
  • “service {FOO} start” vs. “/etc/init.d/{FOO} start”? [closed]
IT Nursery
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Important Link

  • About
  • Privacy Policy
  • Contact

IT Nursery

The Goal of ITNursery Engaging the world to foster innovation through aggregate information. Our Question Answer post, blog information, products and tools help developers and technologists in life and at work.

copyright © 2023 All Right Reserved | IT NurSery
x
x