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Published on 2010-03-15T17:07:55Z
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That seems simple enough, but all Django Queries seems to be 'SELECT *'
How do I build a query returning only a subset of fields ?
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I've been using django-mptt in my project for a while now, it's fabulous. Recently, I've found a need to override a model's save() method that uses mptt, and I'm getting an error when I try to save a new instance of that model:
Exception Type: ValueError at /admin/scrivener/page/add/
Exception Value:…
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I'm getting the error:
Exception Value: (1110, "Column 'about' specified twice")
As I was reviewing the Django error page, I noticed that the customizations the model User, seem to be appended to the List twice.
This seems to be happening here in django/db/model/base.py in base_save():
values…
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I've been struggling to deploy Django application on Amazon EC2 using Bitnami Djangostack for the last couple of days. When I go to http://dewey.io I see the default bitnami page (/opt/bitnami/apache2/htdocs/index.html), however, when I open http://dewey.io/portnoy, I get 'Internal Server Error'…
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when i run development server it works very well, even an empty project runing in mod_wsgi i have no problem but when i want to put my own project i get an Internal Server Error (500)
in my apache conf i put
WSGIScriptAlias /codevents C:/django/apache/CODEvents.wsgi
<Directory "C:/django/apache">
Order…
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when i run development server it works very well, even an empty project runing in mod_wsgi i have no problem but when i want to put my own project i get an Internal Server Error (500)
in my apache conf i put
WSGIScriptAlias /codevents C:/django/apache/CODEvents.wsgi
<Directory "C:/django/apache">
Order…
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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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