Each Django project can have multiple applications. Each application can have multiple models and each model has mapped to one table in the backend database. This article will tell you how to create Django project application. How to remove all database table of the application and how to remove the application completely.
How To Create / Remove Django Project Application Read More »
When I use PyCharm to develop a Python example, I need to import a library ( PyMySQL: A MySQL database Python driver library. ) into the Python project path, so that PyCharm can find the library files when coding and executing source code. But how to install and import libraries in PyCharm? This article will
PyCharm Project Add External Library (PyMySQL) Path Example Read More »
When you want to connect to the MySQL database in Python code, you can use both the mysql-connector-python MySQL driver and PyMySQL. The mysql-connector-python MySQL driver is a MySQL server built-in driver and the PyMySQL is a third-party library. All the two MySQL python libraries provide classes for you to get MySQL database connection, execute insert, delete,
Python Connect To MySQL Database With MySQL Connector & PyMySQL Example Read More »
PyMySQL is a python library that can connect to the MySQL database. But these days when I execute the select SQL command through PyMySQL, I found the execution does not return any records from the database table, but the data really exists in the database table. And when I run the SQL command in the
Pymysql Cursor.fetchall() / Fetchone() Returns None Read More »
When I connect MySQL databases in source code, such as Java code or Python code. I encounter an error which I do not meet when I use MySQL client tool software to connect it. The error message is Access Denied For User ‘root’@’localhost’ (using Password: Yes). To resolve this issue is not hard, this example
In the previous article, we have learned How To Manage Models In Django Admin Site. In this article, we will tell you how to process CRUD(Create, Retrieve, Update and Delete) operations on those models to manipulate data in the backend database table. All the data manipulation is processed through model functions, you do not need
Django Simple CRUD Operation Example Read More »
1. What Is A Django Model. A Django model is used to represent a data model. In general, one model is mapped to one database table. The Django model can make data manipulation easy and flexible. You do not need to care about the database table operation. What you need to do is define and
How To Manage Models In Django Admin Site Read More »
Each Django project has an admin website. You can use this website to manage Django project auth user, user group and manage custom Django application’s models, etc. This article will tell you how to log in to the Django project admin website and how to add auth users with it. The auth user is a
How To Use The Django Admin Site To Create Auth User Read More »
We have implemented a register/login system that uses Django’s built-in auth module in Django User Registration And Login Use Built-in Authorization Example. But when you browse any URL other than the home page ( login page ), for example, http://127.0.0.1:8000/user/register_success/, you will find that even you do not log in, the target page content will
Django Custom Login Page Use login_required Decorator Read More »
When I develop the Django application and use the browser (for example google chrome) to browse my local Django website such as http://127.0.0.1:8000/user/register/, I got an error page that shows error message 502 Server dropped connection. I googled some time and finally find that the error reason is that my web browser uses a polipo
How To Resolve 502 Server Dropped Connection Read More »
