Hello everyone and welcome back to Not So Random Software!
This week I am have been thinking about Judgement and what some simple exercises we can do every day to improve it. Stumbled upon a good article and a book in the process.
I also noticed in the Ruby community more people are talking about decoupling big applications by either thinking about Rails engines and components, or static type annotations in Ruby 3.
Enjoy the random walk!
One article or paper
This article has a very good summary of exercises you can do every day to improve your judgment and why this is so important for your career. Here is a short list:
Train probabilistic reasoning
Think of alternatives
Decompose the problem
Combine multiple judgments
One video or podcast
If you have ever struggled to get started with Rails engines and app components because it feels like an insurmountable challenge, this long workshop will help you with the first steps and dig into the hard details.
What happens if a programmer writes a book on how to improve your thinking? Andy Hunt is the co-author of The Pragmatic Programmer and Programming Ruby, and this book is about how to refactor your brain for lifelong learning.
People at Shopify are releasing a ton of open source to help you deal with big applications. I have mixed feelings about this approach, but it's great to see the community pushing the boundaries of what's possible with Ruby!
One line of code
Ruby 3 is shipping with RBS, a new way to write annotations and types, here is how it looks like! You can check for more details here https://github.com/ruby/rbs
module ChatApp VERSION: String class Channel attr_reader name: String attr_reader messages: Array[Message] # `|` means union types, `User` or `Bot`. attr_reader users: Array[User | Bot] def initialize: (String) -> void # Example of method overloading. def post: (String, from: User | Bot) -> Message | (File, from: User | Bot) -> Message end end
“errare humanum est, sed perseverare diabolicum: 'to err is human, but to persist (in the mistake) is diabolical.”
Lucius Annaeus Seneca
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