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With the widespread use of NoSQL, the use of traditional relational data such as mysql is gradually decreasing. django's REST support for mysql should be very clear to all, but mongo's support does not seem to be so perfect, it still needs to be supplemented by itself, which is always not easy to use. The company just had a project to add, del ...

Model operation 1. Operation summary: # increase # # models.Tb1.objects.create(c1='xx', c2='oo') Add a data to accept dictionary type data **kwargs # obj = models.Tb1(c1='xx', c2='oo') # obj.save() # check # # models.Tb1.objects.get(id=123) # Acquire single data, report error ...

In the last blog has been implemented, link database and create APP, this time we do a web page. The main contents include: mysql's primary key, foreign key, class Meta's use, basic operation and so on. A data Import project was created and an APP named blog was registered. First, in. / blog/models.py, two models are defined, on ...

First of all, you know that Django is a synchronization framework. In order to speed up user response time and improve user experience. So I decided to use asynchronous tasks to perform some tasks in the background. In addition to asynchronous tasks, celery can also start timing tasks to facilitate scheduling. Packages to be ins ...

OS: Ubuntu16.04LTS Django: 1.11 Python: 2.7.11 Apache: 2.4 This article is just a simple deployment of Django+Apache First, put the Django Project in the / var/www directory 1. Install Apache and mod_wsgi sudo apt-get install apache2 sudo apt install libapache2-mod-wsgi pip install virtualenv 2. Modi ...

Viralenv and supervisor are installed in centos 2.7.5, but my project uses Python 3.6, so I need to compile Python 3 myself. If you use virtualenv as Python 3, make sure that uwsgi also uses Python 3! Otherwise, there will be an ImportError: no module named site error, which is caused by the difference between the home ...

Extending django's own permissions Explain On the basis of not rewriting its own privileges, it completes the support object privileges, which are suitable for small projects.Amendments are welcome. Software support jsonfield data base Three new tables from django.db import models from django.contrib.auth.models import AbstractUser, Group ...

1. The process of uploading and displaying pictures after Django integrates FastDFS 2.FastDFS Installation (Operation in Virtual Machine Environment), (omitted) 3.Django Project Core Code (1) File location: (2)storage_util.py from django.core.files.storage import Storage from django.conf import settings from fdfs_client.client i ...

Project creation You need to select a directory as the project's home directory You can have multiple apps in a project Command help Creating project methods django-admin help startproject usage: django-admin startproject [-h] [--version] [-v {0,1,2,3}] [--settings SETTINGS] ...

Catalog 1. Use Class View Create Class View Registration routing Class View Using Decorator Decorate in url Decorate in Class View name parameter of method_decorator Using Mixin Extension Class The view defined by function mode is called function view. Although it is convenient to use and easy to understand, when a s view has multiple r ...