Django Cook Book
Introduction
Admins
- Admin Actions
  - Override Delete_selected()
- Admin Methods
- Admin Options
- Copy An Object
- Custom Change_list Filter
- Custom Site_header
- Display Extra Field
- Exec After Click Delete
- Exec After Click Save
- Field Readonly After Save
- Filter User Owned Objects
Asyns
- Beanstalkd
- Celery
- Django Q
Auths
- Password
- User
Caches
- Memcached
- Redis
  - Django-redis
Cookies
- Cookie
- Session
Databases
- Atomic
  - F Expression Update
  - Select For Update
- Connection Pool
  - DButils
- Emoji Support
- Migrations
- Multiple Databases
- Persistent Connections
- Raw SQL
Decorators
- Logging Request Params
Domains
- Multi Domain
Emails
Exceptions
- ObjectDoesNotExist vs. DoesNotExist
Files
- Base64 File Upload
- Huge File Upload
Forms
Logs
- Handlers
  - FileHandler
  - RedisHandler
    - RedisHandler
    - RedisListHandler
  - SocketHandler
  - StreamHandler
Middlewares
Models
- Abstract Base Classes
- PrimaryKey/ForeignKey/Index/Unique
  - db_index/index_together
  - unique/unique_together
- Fields
  - JSONField
  - ShortUUIDField
- Options
  - abstract
  - db_table
  - managed
Performances
- Memory
  - Leaking Memory
Queries
- Extra/Aggregation
- F Expression
- Group By
- Last/Latest
- Q Expression
- Variable Field
- Year/Month/Day
Real-times
- Long Pooling
  - gevent
- HTTP Streaming
  - gevent
- WebSocket
  - dwebsocket
  - Node.js — Socket.io
- Channals
- Push
Requests
Responses
- ExcelResponse
- FileResponse
- Http404
- HttpResponse
- JsonResponse
  - DjangoJSONEncoder
  - Encapsulation
- StreamingHttpResponse
Settings
- ALLOWED_HOSTS
Signals
StaticFiles
Subcommands
- BaseCommand
Tags and Filters
Templates
- cached.Loader
Translations
URLs
- Pass Extra Params to Views
- Regexes
Solution
Pagination
Verification Code
Appendix I
Process Managers
- Supervisor
Setting Ups
- WSGI
  - Apache & mod_wsgi
  - https://stackoverflow.com/questions/195534/in-production-apache-mod-wsgi-or-nginx-mod-wsgi
  - Nginx & uWSGI
  - Nginx & Gunicorn
VS.
- exists() vs. get() + try/except
- exists() vs. count()
Appendix II
Design
- lastrowid

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exists() vs. get() + try/except

`exists()` vs. `get() + try/except`

`LBYL` vs. `EAFP`

References

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