Explore this comprehensive Python cheatsheet covering essential syntax, data structures, file handling, and object-oriented programming. Learn the fundamentals of Python programming with examples and quick references for both beginners and experienced developers. Download Cheatsheet Basics Comments Variables Data Types Basic Input/Output String Manipulation Lists Tuples Dictionaries Conditions Loops Functions Advanced Data Structures Sets List Comprehension … Read more
Learn Golang with this comprehensive cheat sheet covering essential topics from getting started to advanced concepts. Explore variables, control flow, functions, packages, concurrency, error handling, and more, accompanied by concise code snippets for quick reference. Master the fundamentals of Golang programming with this handy guide. Download Cheatsheet Introduction Go (or Golang) is an open-source programming … Read more
This frustrating error blocks you from executing schema changes on a table that has triggers enabled. In this post, we’ll explore why this error occurs and how to resolve it. When running migrations in Django, you may encounter an error like: Understanding Django Migration Errors First, let’s review what’s happening when you get this error. … Read more
Django makes it easy to dynamically display the current year in your templates. This can be useful for copyright notices, showing the release year of your product, or other situations where you want to automatically update the year displayed on your site. In this post, we’ll cover a simple way to show the current year … Read more
When developing Django applications using Docker Compose for the local environment, managing database changes can require some special handling. In particular, applying Django migrations within the Docker-Composed environment requires coordination between the app container and the database container. Here is an overview of why this extra coordination is needed and some best practices for streamlining … Read more
When building a Django application, you may need to reference configuration variables from settings.py in other parts of your code. One common place is in models.py, where you define your database models. Accessing settings allows you to parameterize aspects of your models. For example, you can define the default database or control auto-created fields like … Read more
As we know, Django provides robust user authentication and authorization tools out of the box. One useful feature is user groups – they allow you to categorize users and control permissions based on those groups. But how do you check if a specific user is in a certain group? There are a couple approaches we … Read more
As Django developers, we work mostly with the object-oriented Django ORM interface when querying data from our databases. However, under the hood, the Django ORM constructs SQL queries to interact with the database. It can be useful to view the raw SQL for debugging performance issues or gaining a deeper understanding of how the ORM … Read more
The Django admin interface provides a convenient way to manage database content by automatically generating interfaces to create, view, edit, and delete records. By default, the admin allows all database operations on all models. However, in some cases, you may want to restrict the ability to add new records for certain models. Why Restrict Add … Read more
Django is a powerful web framework for Python that makes it easy to build complex database-backed web applications. One common task is needing to store a list or array of data in a model. There are a few different ways to approach this, each with their own pros and cons. In this post, we will … Read more
