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Chapter 12 Django Framework 12.1 Server applications and Applications The server program is responsible for encapsulating the socket server and sorting out all kinds of data requested when the request arrives. The application is responsible for specific logical processing. In order to facilitate the development of applications, there are many ...

0819 self-summary session and cookie 1.django sets session request.session['name'] = username request.session['age'] = 13 A session ID of key: {"name":'username','age': 12} is automatically generated and encrypted in the latter part of django. 2. Get session request.session.get('name') 3. Five session settings in Django 1. Datab ...

Article Directory 3.1. Manage Article Items 3.1.1 Setup Columns There must be content in the website. At present, there are two kinds of content that can be classified according to the way content is generated. One is "User Generated Conte ...

Look at the document djang with a user login verification method, but some look at the foolish, go to the Internet to find a circle, found that many are copying the document description, hardly say what the principle is.   In particular, from django.contrib.auth import authenticate It's said that this is the way, but it seems that the d ...

I. Essence of Web Framework All Web applications are essentially a socket server, and the user's browser is a socket client.   Return different contents according to different paths You can write several simple pages and then access the corresponding page test by http://127.0.0.1:8080/page name import socket server = socket.socket() ...

Use of cookies and session s in Django http protocol Two features: No connection: disconnect in one response to a request. Stateless: Do not remember the last connection information, each connection is a new connection. Later: keep-alive cookie: session tracking (resolving http protocol stateless) what: Browser technology. Standard: ...

Follow up on the previous blog: Django Builds Stores and Commodities on E-commerce Websites Store Registration and Commodity Management (2) 1. Adding check-ups to check whether users have shop functions 1. Check the store's cookie when the user logs in Verify that the user owns the store after the log ...

Foreplay ORM (Object Relational Mapping) is a technology to solve the mismatch between object-oriented and relational database. Advantages of ORM: The main problem that ORM solves is the mapping of objects and relationships. It usually corresponds one class to one table, each instance of a class corresponds to a record in the table, and each ...

Learning environment: redhat 5.8 python version: 3.6.8 django version: 1.11.20 1.python environment installation First, open the following official web site to download the source installation package directly:https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xz After downloading, upload it to the linux environment and extra ...

Tutorial 1: Serialization introduction This tutorial will show you how to create simple Web API (restful) code with good cohesion. In the process, it will introduce the various components that make up the REST framework and give you a comprehensive understanding of how everything comes together. E ...