Drupal 8: How to write a simple custom “block module”

Table of Contents1 - Goals2 - Backup your database3 - Check my code out of Github, or create a module directory4 - Create a project info YAML file5 - Create the necessary subdirectories6 - Write the code to display your block7 - Clear the caches8 - Enable the module9 - Place the block module10 - See the custom block on your website11 - The biggest problem I encountered12 - The source code13 - Summary

In this tutorial I’ll demonstrate how to write a simple Drupal 8 “block module.” By this I mean that I’ll show you how to write a simple Drupal 8 module that will display output in a block. When you’re done you will have created a new block that you can place in one or more theme regions.

Programming languages are how programmers express and communicate ideas

“In reality, programming languages are how programmers express and communicate ideas — and the audience for those ideas is other programmers, not computers. The reason: the computer can take care of itself, but programmers are always working with other programmers, and poorly communicated ideas can cause expensive flops.”

~ Guido van Rossum, in this 2016 article

Such a disappointing feeling when a book is a letdown alvin July 8, 2019 - 4:16pm

I just spent 45 minutes reading a new book about a programming language I was excited to learn, then slammed it shut and said, “Poorly organized, too many words, not enough code.”

That’s always such a disappointing feeling when you have that initial excitement about a programming language (or technology), and then a book is such a letdown. (I really hope people don’t view my books that way.)

Good TypeScript links

I just started working with TypeScript, and here are some good links:

And an unrelated link on React:

Recursion — See recursion alvin April 25, 2019 - 4:45pm

This is the Index entry for recursion in the third edition of Programming in Scala. :)