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         Recently, I did something because web.py did not expand and reuse WeChat official account, and developed WeChat official account using Django. Use celery to push template messages to users' wechat, which is ultimately convenient for reuse and function increase in the future. 01 preparation P ...

Article catalog 1. GET parameter get version 2. URL path to get version 3. Built in version source code process 4. Built in version class 1. GET parameter to get version The RESTful specification specifies that the version can be placed on the URL, such as http://127.0.0.1:8000/api/users/?vers ...

QuerySet API usage QuerySet can construct, filter, slice, and approximate results without actually accessing the database. Unless you do something to evaluate the query set, no query activity actually occurs to the database. (1) Basic properties iteration The QuerySet is iterative, and its databa ...

brief introduction django provides a very useful component which is responsible for the full set of functions of user login authentication, which is the auth component. With the auth component, we no longer need to manually write the login check decorator, nor set session s manually to save user state. The django project executes the databas ...

Singleton Pattern is a common software design pattern. The main purpose of this pattern is to ensure that only one instance of a class exists. When you want to have only one instance of a class in the whole system, a singleton object can be used. For example, the configuration information of a server program is stored in a file, and the client ...

1. Preliminary work Before proceeding, we need a Alipay sandbox environment to enter the sandbox environment web site: https://openhome.alipay.com/platform/appDaily.htm?tab=info     The way to set the key is to download the Alipay generated key tool: the address and the extraction code of the toolkit: Link: https://pan.baidu.com/s/1AXK3s4S ...

Chapter II Contents: Using django to send mail Create forms and process them in views Create form from model Consolidate third-party applications Building a complex QuerySet 2.1 sharing posts by email For the mail sending function of a post, you need to do the following: Create user form, fill in nam ...

This article mainly introduces the method of generating random numbers by Python's built-in random module. This article gives you a very detailed introduction, which has certain reference value. You can refer to In this paper, we introduce in detail the other methods of generating random sequence in the ...

Section 366, Python Distributed Crawler Build Search Engine Scrapy Speech - bool Combinatorial Query of Elicsearch bool query description filter:[], field filtering, does not participate in scoring Must:[], if there are multiple queries, they must satisfy [and] should:[], if there are multiple queries, ...

  First package required by the project import urllib.request import urllib.parse from tkinter import * import time PS:Many other people are learning Python In the process, I often give up because I can't solve the problem or I don't have a good tutorial. For this reason, I sorted out the basic python Script to web Development, reptile dja ...