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2023

  • 1 min read

Ruby's Hash is a Swiss-Army Knife

Link: Ruby's Hash is a Swiss-Army Knife: "A Hash is a built-in data structure in Ruby that maps values to keys and has a constant-time O(1) lookup. This article shows the capabilities of this simple, but equally powerful tool. We’ll start with the basics but also cover some obscure but equally useful features of hash."

A nice review of all the things Ruby hashes can do and be used for.

  • 1 min read

Ruby’s Hash is a Swiss-Army Knife

Ruby's Hash is a Swiss-Army Knife –A Hash is a built-in data structure in Ruby that maps values to keys and has a constant-time O(1) lookup. This article shows the capabilities of this simple, but equally powerful tool. We’ll start with the basics but also cover some obscure but equally useful features of hash.

  • 1 min read

Specifications Grading: A Method for Improving Student Performance

Link: Specifications Grading: A Method for Improving Student Performance: "Last revised: 10/07/2021 by JP Overview Are you looking to increase student motivation and the quality of their academic work? If yes, consider specifications grading.  According to Linda B. Nilson, Ph.D. the traditional higher education grading method is broken and specifications grading offers a solution with benefits for both students and faculty. Nilson published her…"

An excellent book. Well written. Detailed. And it was the original book on Specs Grading (I think).

  • 1 min read

Service Objects | Jared Norman

Link: Service Objects | Jared Norman: "Service Objects are a popular software design pattern in the Ruby on Rails community. They are used to extract procedural logic away from models and controllers and into their own objects."

Good article on an arcane topic that the ruby community loves to debate and discuss.

  • 1 min read

A non-mathematical introduction to Kalman Filters for programmers - Pravesh Koirala

Link: A non-mathematical introduction to Kalman Filters for programmers - Pravesh Koirala: "Read my manifesto on Code as an alternative to Mathematics. Code for this article can be found on this Colab Notebook should you choose to follow along. Why Kalman Filters? Kalman filters are ingenius. If you have never heard of them, then a very intuitive (and arguably reductive) way to think about them is to"

  • 1 min read

A non-mathematical introduction to Kalman Filters for programmers – Pravesh Koirala

A non-mathematical introduction to Kalman Filters for programmers - Pravesh Koirala –Read my manifesto on Code as an alternative to Mathematics. Code for this article can be found on this Colab Notebook should you choose to follow along. Why Kalman Filters? Kalman filters are ingenius. If you have never heard of them, then a very intuitive (and arguably reductive) way to think about them is to