Article about django data/table migration

http://www.djangopro.com/2011/01/django-database-migration-tool-south-explained/

Using Django Default Authentication

Documentation page that explains how to use the Django default authentication:

 https://docs.djangoproject.com/en/1.5/topics/auth/default/#topic-authorization

Sign Up Example - angularJs - Simple Validation

This code uses a mix of AngularJs Validation and Javascript Validation, printing all error messages in the head of form:

Simple Web Server with Python

Use:  python -m SimpleHTTPServer 8080


Ref: http://www.linuxjournal.com/content/tech-tip-really-simple-http-server-python

Commands and Instructions to manipulate databases using Django

ref: http://www.djangobook.com/en/2.0/chapter05.html

Commands:

Syntax highlighter for several languages in Python

http://pygments.org/

Serialization of datetime in python to json

>>> dthandler = lambda obj: obj.isoformat() if isinstance(obj, datetime.datetime) else None
>>> json.dumps(datetime.datetime.now(), default=dthandler)
'"2010-04-20T20:08:21.634121"'

source: http://stackoverflow.com/questions/455580/json-datetime-between-python-and-javascript

How to serve static files using Django (Use only in development!!)

Source: https://docs.djangoproject.com/en/1.2/howto/static-files/

Static pages, images and styles using Django

1. Step: Create the directory static inside of the application directory (<app_dir>/static)

    eg: mysite/polls/static

2. Step: Create one directory using the name of app inside of static directory (<app_dir>/static/<app_name> )

     eg:  mysite/polls/static/pools

3. Step: Put the content into the static directory

4. Step: Include  the command below into the HTML file

{% load staticfiles %}

e.g.:

{% load staticfiles %}

<link rel="stylesheet" type="text/css" href="{% static 'polls/style.css' %}" />

Django: How to activate the default administration site

See tutorial 2: https://docs.djangoproject.com/en/1.5/intro/tutorial02/

Django: How to setup views

See tutorial 3: https://docs.djangoproject.com/en/1.5/intro/tutorial03/

How create a new system using Django

1. Step: Verify if Django is installed:

python -c "import django; print(django.get_version())"

2. Step: Create a new project

django-admin.py startproject mysite

              ==> mysite is the name of project

Django: how to generate json response.

import json
def some_view(request):
    result = []
    result.append({"user":request.user})
    result.append({"key":request.session.key})
    return HttpResponse(json.dumps(result), mimetype='application/json')

Source: http://garmoncheg.blogspot.com/2011/06/django-how-to-generate-json-response.html

Basic Django Commands

Verify if django is intalled: python -c "import django; print(django.get_version())"

Run Django Shell: python manage.py shell

Create project: django-admin.py startproject <proj_name>  
    eg: django-admin.py startproject mysite

Create app:  python manage.py startapp <app_name>
    eg: python manage.py startapp polls
 
Sync database: python manage.py syncdb

Start Web Server (development): python manage.py runserver 8080

Run Unit Tests: python manage.py test <name>  
    eg: python manage.py test polls