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Python Web development framework-Django (1), python-django

Python Web development framework-Django (1), python-django In the past, web. py (another lightweight web Development Framework) was used as a monitoring and management platform, so it was hard to pick up without making special records. Recently, a log aggregation system is using django. This time, we will write it down to facilitate query.

[Django] Django-debug-Tools

Label: Debug Django tools debugging Use Django-debug-Tools It is very easy to develop with Django, but many times our experience is not enough, we will dig a lot of traps for ourselves, whether it is performance problems, or the use of development language skills will pose a threat to the stability of the application. After development, debugging and optim

Django many-to-many relationships, django many-to-Relationship

Django many-to-many relationships, django many-to-Relationship Django 1, 1.7 Use ManyToManyFiled to define multiple-to-multiple relationships. In this example, the Article can be published on multiple publications, and the Publication can have multiple Article objects. from django.db import modelsclass Publication(models.Model): title = models.CharField(max

[Django] Django command (Manager. py)

Django-admin.py startproject mysite This command creates a mysite directory in the current directory. Django-admin.py file in c: \ python27 \ Lib \ Site-packages \ Django \ bin folder, you can add this directory to the system path. Django has a built-in lightweight Web server. If you enter the mysite directory, enter t

Django --- media static file configuration & amp; global variable, django --- media static

Django --- media static file configuration global variables, django --- media staticMedia static file configuration Static files are mostly used to store data used to render front-end pages, and media is used to store client uploads or other files. Add path to setting. py MEDIA_ROOT = (OS. path. join (BASE_DIR, 'blog01/media') MEDIA_URL = '/media/' # Alias, which can be written at will Add Route Allocation

Use django-extension to extend django's manage -- runscript command

1. Download and install 1) $ easy_install django-extensions 2) Add 'django _ extension' to INSTALLED_APP' [Python]INSTALLED_APPS = (...'Django _ extension ',) INSTALLED_APPS = (...'Django _ extension ',) 2. How to Use the 'django _ extension' runscript command Method 1: Crea

In django, the Data Query condition is that the table columns corresponding to the foreign key in the table should be searched ?, Django table

In django, the Data Query condition is that the table columns corresponding to the foreign key in the table should be searched ?, Django table 1. Generally, the condition for finding data in a table is the existing data type in python. You can use the dot operator to directly find the data. If the condition is a column in the table corresponding to a foreign key column, how do I query data? For example clas

Django Learning (ix)---templates filter and Django Shell and admin enhancements

First, Templates filterFilters are part of the Django template languageModify variables in a template to display different content{{value | filter}}Example: {{list_nums | length}} indicates the length of the list{{Value | filter | filter | filter}} can be superimposedDjango Template If there is a non-existent variable, will not error, will only give a null valueSo modify add_article.html Remove {{% if *%}} Add filter defaultDOCTYPE HTML>HTML>Head>

A tutorial on using django-tagging under the Python Django framework

This article mainly introduces the use of django-tagging in the Python Django Framework, for the function of the tag part of network programming to help, the need for friends can refer to the Django uses the app mechanism to reuse components, and making full use of existing apps can greatly simplify the development effort. Currently Django's app is not rich enou

Django Explore--django's development server and database creation (note)

1. Django's Development server The Django framework contains a few lightweight Web application servers that no longer need to configure the server when developing Web projects, and the built-in servers that Django provides can be loaded automatically when code is modified to enable rapid website development. Under the directory of the Django_pro project we created, open the DOS command line and start the b

Use Django to implement a runable blockchain application, django Block

Use Django to implement a runable blockchain application, django Block We are new to the rise of digital currencies and want to know the technology behind it-how blockchain is implemented. However, it is not easy to fully understand blockchain. I like to learn in practice and learn more about the technology by writing code. You can build a blockchain to deepen your understanding of the blockchain. Preparat

Django analysis-how to customize manage commands, django custom manage

Django analysis-how to customize manage commands, django custom manage We have used Django manage. py command, while manage. py is a command line tool automatically generated in the root directory when we create a Django project. It can execute some simple commands. Its function is to put the

[Django] django-debug-tools

[Django] django-debug-toolsUse django-debug-tools It is very easy to develop with django, but many times our experience is not enough, we will dig a lot of traps for ourselves, whether it is performance problems, or the use of development language skills will pose a threat to the stability of the application. After d

Django file storage (2) custom storage system, django file storage

Django file storage (2) custom storage system, django file storage To write a storage system by yourself, follow these steps: 1. Write a file inherited from django. core. files. storage. Storage. from django.core.files.storage import Storageclass MyStorage(Storage): ... 2. Django must be able to instantiate MyStorag

Django-access control, unable to access django Internet

Django-access control, unable to access django InternetThe user authentication system provided by django provides the access control function.1. Only login users are allowed to log onDjango users can be divided into two types: one is authenticated users, that is, in django. contrib. auth. models. user. The other is ano

Build a Django environment and build a django Environment

Build a Django environment and build a django Environment Install Python 2.7.10 Download unzip Django Django-1.9.2.tar.gz Cmd cd to the extract directory (***) Python setup. py install Check whether the installation is successful Environment Variable Path C: \ Python27 \ Lib \ site-packages \

Django (iii) the first Django app to create a model

After the last chapter, we've created the good one Django app, and then we're ready to refine it.First, let's start with some basic concepts. Each application created in Django is made up of Python packages that follow certain conventions. Django comes with a utility that automatically generates the basic directory structure of an application, so you can

Django-full-text retrieval, django-full-text retrieval

Django-full-text retrieval, django-full-text retrieval After two months, I finally completed all the major functions. In the past week, I have consulted a lot of materials to achieve full-text retrieval, I will record it here today, so as not to catch it later ~ First, I will introduce the Django full-text search logic I used. I checked various materials on the I

Django Model Modification and data migration, django model migration

Django Model Modification and data migration, django model migrationMigrations It is troublesome for Django to modify the Model. The syncdb command only creates tables that are not in the database and does not modify existing data tables synchronously, you cannot delete the data model. If you add or modify fields in the data model or delete a data model, you need

Django unit test (1), Django unit test (

Django unit test (1), Django unit test ( The Django testing framework is very simple. The preferred method is to use the unittest module in the python standard library.Writing tests Unit Tests of Django use the unittest module of python, which defines tests using class-based methods. Class Name:

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