When writing shell script, there's test, a condition evaluation utility. Crystal is a power programming language, that supports all test features.
What if we are porting a shell script to crystal, and we want to verify the correspondent command quickly? Check this article/cheatsheet and discover everything you need. [ read more ]

🇧🇷 Transferwise é uma fintech do reino unido que veio para facilitar as operações de câmbio, de forma fácil, transparente e mais barata. Compartilho minha experiência e faço um comparativo com a solução que eu usava anteriormente, o BB Americas. [ read more ]

Let's talk in this article about timezones and how it applies to a web system. There are 3 main layers where is necessary to pay attention when working with date and times:

• - Database
• - Rails
• - JavaScript

Looking for a javascript test runner for Rails, I found some options, so I decided to choose Blade, as this is not a comparison (I’m not even experienced to do this), and in this article I share my experience testing javascript and running tests with Blade. [ read more ]

You can also read this article in pt-BR 🇧🇷
Yesterday I started to looking on how to help the Crystal Programming Language, so I'd like to share my experience, as well serve as future reference.
[ read more ]

The best way to run Jekyll on pow, is make it works as a Rack application. How do it?
Check here in this article [ read more ]