I'll share with you some code on how to cache blocks per user. The secret lies in using the right cache context on the build() function of your block.

Here's a html e-mail template example for sending html e-mails.

Configuration management is great. But you'll encounter some difficulties at first when importing existing config to a new site. A typical error is the "Entities exist of type" error. Here's how to fix them.

getting entity field values programmatically is easy, but check this out.

Today I have a small helper module to share with you. A small pain in the ass is that the sending of e-mails requires a bit too much code. More specifically sometimes you would like to send simple alerts to webmasters. This helper module helps you with it.

One of the biggest flaws in drupal is the disability to do something easy as sending html emails out-of-the-box. In drupal 8 it is already slightly better, but you would need to know some things.

Config entities are new in drupal 8. The differ a bit from content entities. Here a snippet on how to get the value of a field programmatically.

Drupal set message was deprecated in Drupal 8.5 and will be removed before Drupal 9. Time for a roundup of this new API and how to use it.

Short snippet to get the enabled languages programmatically

Small snippet to show how to add a class to your block