Implementing QQ login in django
2009 Unicorn Enterprise Heavy Money Recruitment Python Engineer Standard > >
The process of qq login on the server side:1. Pl ...
Added by vtroubled on Thu, 13 Jun 2019 21:30:58 +0300
Django learning process streamlined record
Source address: http://python.usyiyi.cn/documents/django_182/intro/tutorial02.html
Address 2: https://django-intro-zh.readthedocs.io/zh_CN/latest/whats_next/
1,django-admin startproject mysite
2,python manage.py startapp polls
3. Write models.py file in app
import datetime
from django.db import models
from django.utils import timezone
# ...
Added by LowEndTheory on Tue, 11 Jun 2019 21:31:34 +0300
75. ORM Supplement of django
This navigation:
QuerySet
Mediation model
Query optimization
extra
QuerySet
1. Sliceable
Use Python's slicing syntax to limit the number of query set records. It is equivalent to the LIMIT and OFFSET clauses of SQL.
>>> Entry.objects.all()[:5] # (LIMIT 5)
>>> Entry.objects.all()[5:10] # (OFFSET 5 LIMIT 5)
Negati ...
Added by eightFX on Sun, 19 May 2019 22:00:31 +0300