Link Blog
April 2021
klauscfhq/taskbook
Quirky cli tool for task management. Some people want everything in the shell.
Markov Chains explained visually
A really clear visual explanation of what a Markova chain is and what it is good for.
thisredone/rb
This is very interesting and cool way to use ruby for fancy cli scripts, like people often use AWK. I haven’t quite figured out how to use it but it’s cool!
How a Kalman filter works, in pictures
Kalman filters are a mathematical process for smoothing out a noisy signal (its more complicated than that) its a central algorithm in robotics and real time sensing systems in general.
How to configure RSpec in Ruby on Rails
I’m not personally an rspec fan, but lots of people are
iridakos - Creating a Linux Desktop application with Ruby
A really nice tutorial explaining how to write a gui app on Linux using Ruby.
Indexes on Rails: How to make the most of your Postgres database - Karol Galanciak - Ruby on Rails and Ember.js consultant
Excellent advanced info on crating dB indexes, looking at query plans to understand performance.
westonganger (Weston Ganger)
A gem containing functionality to represent, import and export spreadsheets
Ruby one-liners
Developers Should Abandon Agile
This is RonJeffries.com, the combination of new articles, XProgramming, SameElephant, and perhaps even some new items never before contemplated. Copyright © 1998-forever Ronald E Jeffries
The Ruby Bibliography
Fun list of papers, reports, and dissertations related to ruby from academia.
FREE Tutorials on React.js, Ruby on Rails, JavaScript
This has just been made free! I think these tutorials will contain some gems.
Is Rails still relevant in 2018 ?
Answering the perennial question, once again, in the positive.
rlabbe/Kalman-and-Bayesian-Filters-in-Python
I’m trying to get smart about Kalman filters. This is a great resource
rpush/rpush
Getting mobiles to display notifications is a tricky business. Especially because there are several and each one is different. This gem tries to solve this.
ebobby/has-many-with-set
An interesting variation on how to represent a many to many relationship in rails.
The Problems With Validating ActiveRecord Models And Why State Validation Is a Bad Idea - Karol Galanciak - Ruby on Rails and Ember.js consultant
Really interesting advanced thoughts about rails ActiveRecord validations.
Is your Rails app ready for Production? | AkitaOnRails.com
An excellent review of the various issues you have to consider when deciding the put your rails app into production.