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Stories about Python, Django and Web Development

How to Crop Images in a Django Application

Cropping images is a fairly common use case in a Web application. For example, some applications let you upload a profile picture. In addition, it usually also let you crop and resize the image for a better result. Unfortunately, when dealing with image processing we need to install a few dependencies, both in the front-end and in the back-end.

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How to Add reCAPTCHA to a Django Site

Google’s reCAPTCHA is a very popular solution to protect your application or website against bots and spam. It is fairly simple to implement. In this tutorial you will find a working example using only built-in libraries, an alternative using requests and also an implementation using decorators, to reuse the reCAPTCHA verification across your application.

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How to Create User Sign Up View

In this tutorial I will cover a few strategies to create Django user sign up/registration. Usually I implement it from scratch. You will see it’s very straightforward.

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How to Implement Case-Insensitive Username

Inspired by a discussion in the How to Extend Django User Model comments, I decided to compile a few options on how to implement a case insensitive authentication using the built in Django User. Thanks to Paul Spiteri for bringing up the question and also to provide a possible solution!

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How to Create Group By Queries With Django ORM

This tutorial is about how to implement SQL-like group by queries using the Django ORM. It’s a fairly common operation, specially for those who are familiar with SQL. The Django ORM is actually an abstraction layer, that let us play with the database as it was object-oriented but in the end it’s just a relational database and all the operations are translated into SQL statements.

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