Codeminer42's Engineering Blog
Ruby on Rails
My Experience Migrating a Rails API to Crystal and AWS Lambda – Part I
Hey folks! Today I am going to tell you how was my first project as a Codeminer42 employee. Two colleagues and I were charged of building a microservice for a…
“!” and “?”: Understanding One of Ruby’s Coolest Naming Conventions
“Well, that’s quite some symbols you got there ♨_♨” - You, after reading this article’s title. It was a calm Friday afternoon here at CodeMiner42, when one of my co-workers…
Destroying an Association Marked as Read-Only in Rails
Read-only is a boolean setting. When true, it prevents an Active Record instance to be updated or destroyed. Although very helpful, there are a few cases where you want to…
Migrating from Paperclip to ActiveStorage
First of all, I’m no expert in programming. In fact, I started with Ruby on Rails about one and a half month ago with the beginning of my internship at…
Crystal by Numbers
TL;DR Kemal delivers 8.3x more requests than Rails and 1.5x than Sinatra, using only 15MiB (against 110MiB in Rails and 47MiB in Sinatra) and 56% of CPU (against 109% in…
