Skip to content

2024

  • 1 min read

Arduino LiDAR library available

Link: Arduino LiDAR library available: "Developer Update - I have combined support for various spinning LiDAR/LDS sensors into an Arduino LDS library with a single platform API. You can install this library from the Arduino Library Manager GUI."

Useful information about low cost LIDARs.

  • 1 min read

Running Rails on AWS Elastic Beanstalk

Link: Running Rails on AWS Elastic Beanstalk: "Recently, I got a Rails app running on AWS Elastic Beanstalk for the first time. While other tutorials exist, this one walks you through everything you need step by step — even if you don’t have …"

Interesting because it is comprehensive. However with that level of detail comes a great risk of inconsistency caused by evolution of the building blocks.

  • 1 min read

Write code top-down

Link: Write code top-down: ""

Nice article but I disagree with the conclusion. I have found that you need to combine the two and go back and forth. There is no single way. By the way, notice that if you believe in TDD, that approach generally starts bottom up (UNITs are at the bottom.) so whatever design comes out of that process would be bottom up.

  • 1 min read

The Shirky Principle: Institutions Try to Preserve the Problem to Which They Are the Solution – Effectiviology

Link: The Shirky Principle: Institutions Try to Preserve the Problem to Which They Are the Solution – Effectiviology: ""

“The Shirky principle is the adage that “institutions will try to preserve the problem to which they are the solution”. More broadly, it can also be characterized as the adage that “every entity tends to prolong the problem it is solving”.

  • 1 min read

The Psychology of Human Misjudgment annotated/explained version.

Link: The Psychology of Human Misjudgment annotated/explained version.: "Charlie Munger"

This week we are revisiting “The Psychology of Human Misjudgment" an essay by Charlie Munger. In this essay, Munger discusses a series of 25 Cognitive Biases that induce human misjudgment and provides some of his famous mental models to counter this innate behavior.

It's a great read full of insights: https://fermatslibrary.com/s/the-psychology-of-human-misdgugement [fermatslibrary.com]