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 I'm teaching JEE, especially JPA, Spring and Spring MVC. As I have not so much experience in large projects, it is difficult to know what to present to students about optimisation of ORM.
At the present time, I present some classic optimisation tricks:
prepared statements (most of ORM implicitely…
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 Just wondering what everyones thoughts on what ORM to use for SQL Azure?
I'm fairly comfortable using LINQ-to-SQL and I believe it is possible to get it working with SQL Azure.  However, from my understanding (correct me if I'm wrong), no further improvements will be made to Linq-to-SQL in future…
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 Hello,
although I read through the manual here:
http://www.doctrine-project.org/documentation/manual/1_2/hu/hierarchical-data
I couldn't find a way to move a node from a Leaf to become a Root node. Any clues?
The question is trivial for inserting a new node...but what about updating a node?
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 I've been thinking for a while about defining several namespaces in one php file and so, having several classes inside this file.
Suppose, I want to implement something like Doctrine\ORM\Query\Expr:
Expr.php
Expr
|-- Andx.php
|-- Base.php
|-- Comparison.php
|-- Composite.php
|-- From.php
|-- Func…
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 I want to remove the need for a username in the FOSUserBundle. My users will login using an email address only and I've added real name fields as part of the user entity. 
I realised that I needed to redo the entire mapping as described here.
I think I've done it correctly but when I try to submit…
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