A collection of useful notes about React. I created these notes for my own reference during the development of my first React Native app, but I hope someone else might find them to be helpful.

I started working with React Native about four months ago and this is my first article about it. The other day I encountered an issue where React complained that it cannot update a component while rendering a different component. Here's what happened and how to fix it.

Using Media in Drupal is a much better option than using old-school image fields. You can add all types of fields to Media to enrich your images, videos, and other media types with additional information, and you can also reuse Media. All of that cannot be easily done if you are using regular image fields. Let's see how to programmatically create media.

Creating a file entity programmatically in Drupal sounds like a trivial task but there are some "gotchas" to be aware of. Let's dig in and explore tricky little things you need to know about.

By default, you have very few options for field validation in Drupal. You can make a field required, set its length if you have a text field, or set the allowed number of values -- but that's just about it. Fortunately, we have a very powerful mechanism for adding field validation.