July 2012
Intermediate to advanced
360 pages
7h 44m
French
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26716Persistance d’objets avec Core Data
Core Data est un framework de mapping objet-relationnel (Object-Relational Mapping en anglais ou ORM) qui permet de stocker dans une base de données un graphe d’objets. Avant la démocratisation de ces outils, il était courant de passer un temps important dans chaque application pour écrire des objets en charge de la persistance des données. Le plus souvent en appliquant le design pattern DAO (Data Access Objects), on écrivait du code qui exécutait les requêtes SQL pour charger et enregistrer des objets.Les frameworks ORM permettent aux développeurs de manipuler directement des objets métier en mémoire, de les lier entre eux et de sauver l’état complet du graphe (c’est-à-dire celui des objets, mais aussi ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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