Exploring RSpec – Improving Your Testing Skills
by Testing our apps has become mandatory these days. For an app to be considered reliable it must have 95% or so of test coverage. Having …
Tag: Ruby on Rails
My Experience Migrating a Rails API to Crystal and AWS Lambda – Part IThe First Iteration on Rails
by 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 …
“!” and “?”: Understanding One of Ruby’s Coolest Naming Conventions
by “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, …
Destroying an Association Marked as Read-Only in Rails
by 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 …
Migrating from Paperclip to ActiveStorageMy first challenge as an intern
by 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 …
Crystal by NumbersBenchmarking Kemal, Ruby on Rails, and Sinatra
by 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% …
Zero to Up and Running a Rails Project only using Docker
Disclaimer: this post is based on Quickstart: Compose and Rails — Docker the main difference is that I will run everything with my own user …
Refactoring Ruby: From Subclass to RegistryFrom developing a solution to gradually improving it by listening to the pain
by My team was given a particularly laborious task: implement responsive images throughout a legacy Rails application. Back then, the app was sending disproportionally large image …
Halving Response Times: Lessons Learned
by Response times under 100 ms are capable of lightening anyone’s heart. It’s even better when you reach that milestone as a side effect of some …
Towards Minimal, Idiomatic, and Performant Ruby CodeDebunking some popular Ruby idioms
I try to embrace a particular way of working with code: it should be minimal, idiomatic, and performant by default. Sometimes it is necessary to …