Accepting user input is critical to modern Rails applications, but without validations, it can cause problems. In this article, learn how to use
ActiveModel validations to ensure the data you process is safe.
Markdown makes it easy to add syntax to your plaintext documents and convert it to HTML later. PHP has robust support for parsing and rendering markdown—consider this your go-to guide for working with markdown in PHP.
Building stateful web applications can be tricky, unless you use a framework, of course—Django to the rescue! In this article, learn how to build a realtime chat app using Django Channels and WebSockets.
Want to deploy a Rails app with Docker and AWS, but not sure where to start? AWS Fargate simplifies the convoluted process of deploying Docker on Amazon's Elastic Container Service (ECS). It's also a good alternative to Heroku.
You may have used OAuth before, but do you know how it really works? In this article, Mauro Chojrin dives deep into building an end-to-end OAuth implementation in PHP.
Generating PDFs is a rite of passage for every developer. In this article, Giridhar Talla teaches us how to use Python to work with PDF files using two common libraries: fpdf and pypdf2.
How do you debug your PHP code? If you use
print_r, there's a better way: use a debugger! Join Mauro Chojrin for an exploration of three world-class debuggers available for PHP.