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Introduction In the process of developing web applications with Django framework, it is inevitable that data management operations (such as add, delete, change, check) will be involved. When talking about data management operations, database management software, such as mysql, oracle, Microsoft SQL ...

Opening chapter Through the previous article python entry practice - student management system I practiced a bunch of python syntax. This article summarizes the introduction of Django as a web framework. The premise is to have relevant web development experience (Java, php, etc.). Because this article will not involve the concept of http protoc ...

Nowadays, more and more web projects use front-end and back-end separation, which realizes the decoupling of data and interface. They interact through network API.   API - Application Programming Interface REST introduction   REST has nothing to do with technology and represents only one arc ...

A Certification Component 1. Local Authentication Components We know that we go to the dispatch method to distribute regardless of the route or the corresponding view class. In the source code of the dispatch method in the APIView class we see, there is a self.initial(request, *args, **kwargs), so the three default components of authentication, ...

Classification of Django MIDDLEWARE middleware: During request: process_request(request) process_view(request, view_func, view_args, view_kwargs) Return period: process_exception(request, exception) (only if the view raised an exception) process_template_response(request, response) (only for template responses) process_response(request, respons ...

form component properties Data validation function Generate HTML code Reference form component module from django import forms #Introducing forms module from django.forms import fields data validation Validation type Data validation type Data validation method String validation Fields.charfield (validation parameter ...

Publish CRM You will use the following software nginx uWSGI CentOS7 CRM Project File virtualenv supervisor WSGI,uWSGI Pthon web server development uses WSGI protocol (Web Server Gateway Interface) The python web project generates a wsgi.py file by default, identifying the application module. The production environment uses uWSGI, implements ...

sentry installation:https://github.com/getsentry/onpremiseUse the installation steps of this document correctly to install version 9.1.1-onbuild, which requires self modifying the Dockerfile.   Note: the command to build the database will not be executed all at once, and needs to be run multiple times: docker-compose run --rm web upgrade   ...

Simple tab: Label: use {%%} tags in HTML Common system tags: load, for, if, with, csrf_token, verbatim, Block endblock \ extends \ comment endcomment \ cycle (silent) \ custom label     1,with: Assign values to variables in html {% with name=obj.group.name%}        #For long variable assignment {{name}}                           #Call IP dir ...

models.py: from django.db import models # Press class Publisher(models.Model): id = models.AutoField(primary_key=True) name = models.CharField(max_length=64, null=False, unique=True) def __str__(self): return "<Publisher object: {}>".format(self.name) # book class Book(models.Model): id = mod ...