A really clear visual explanation of what a Markova chain is and what it is good for.
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!
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.
I’m not personally an rspec fan, but lots of people are
A really nice tutorial explaining how to write a gui app on Linux using Ruby.
Excellent advanced info on crating dB indexes, looking at query plans to understand performance.
A gem containing functionality to represent, import and export spreadsheets
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
Fun list of papers, reports, and dissertations related to ruby from academia.
This has just been made free! I think these tutorials will contain some gems.
Answering the perennial question, once again, in the positive.
I’m trying to get smart about Kalman filters. This is a great resource
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.
An interesting variation on how to represent a many to many relationship in rails.
Really interesting advanced thoughts about rails ActiveRecord validations.
An excellent review of the various issues you have to consider when deciding the put your rails app into production.
Welcome to the Castle Blog where our team of security experts share their best advice on Account Security, introduce new products and features and more!
Really hard concurrency concepts.