Using Ruby to parse CSVs can be extremely helpful. With a few tweaks and know-how, anyone can process and evaluate data efficiently and accurately.
Active Record shares all the benefits and drawbacks of ORMs in general. You'll have a much easier time using it if you avoid making these 4 small mistakes.
It’d be nice if we could have messages that are clear and highlight exactly the relevant information . But that’s not how things are.
At this year's Atomic Games, we built AIs to play our in-house RTS "Space Battle 2: Resource Collectors." We had so much fun, we decided to open source it.
Extending Ruby's built-in classes is convenient but dangerous. Use refinements to get fine grained control over your monkey patches.
A Queue isn't always what we want. So, how can we build our own primitives that are still nice and Thread safe? Mutex + ConditionVariable + data
I'll definitely keep an eye on Crystal as it comes out of its beta phase. The syntax is familiar and easy to pick up and the performance is great.
I'll discuss the different types of Excel files and introduce some of the Ruby libraries that exist for working with them.
Using code generation for your Rails utility scripts (like importing demo data into production) that can then be executed remotely (no need to deploy).
One-liners can be piped into the heroku run console command—what about longer scripts you write locally and want to execute in a remote Heroku environment?
A quick and easy overview of how set up a fully functional file-upload implementation in Rails using Active Admin backed by Paperclip.
Bringing more functional programming to Ruby via Monads and Algebraic Data Types with the new Monadt Ruby gem.