debugging

How to enable a physical Android device (phone or tablet) for development and debugging alvin June 14, 2017 - 7:28pm

To enable a physical Android hardware device (phone or tablet) for developing and debugging your apps with Android Studio, follow these steps.

1) Enable “Developer Options”

The first thing you have to do with a new Android device is to enable the developer options in the Settings app. To do this:

This is a page from my book, Functional Programming, Simplified

The Benefits of Pure Functions

When asked, “What are the advantages of writing in a language without side effects?,” Simon Peyton Jones, co-creator of Haskell, replied, “You only have to reason about values and not about state. If you give a function the same input, it’ll give you the same output, every time. This has implications for reasoning, for compiling, for parallelism.”

From the book, Masterminds of Programming

Benefits of Functional Programming alvin May 28, 2017 - 5:55pm

“Functional programming is often regarded as the best-kept secret of scientific modelers, mathematicians, artificial intelligence researchers, financial institutions, graphic designers, CPU designers, compiler programmers, and telecommunications engineers.”

The Wikipedia F# page

How to disable Drupal 8 Twig debugging

Twig debugging in Drupal 8 is great — really great — when you need it as you’re developing a new Drupal 8 theme. But when you don’t need it, it generates a lot of extra output in your HTML that gets in the way of working on your theme development.

So, as a quick note to self, to disable (turn off) Drupal 8 Twig debugging, follow these steps:

The Scientific Method

Back in the 1990s I was fortunate enough to work for a very smart, energetic man. In a way, working for him, or at least in the position he gave me, changed the trajectory of my career.

Skipping 99% of that story ... one thing he did exceptionally well was troubleshoot problems, and troubleshoot them very fast. I didn’t know it at the time, but he was using something called The Scientific Method. After observing him for a while, I saw him repeat these steps so precisely that I thought he must have them on a tattoo on the inside of his eyelids: