Posts - The Miners

The Good, The Bad, and The Ugly of TypeScript
Is TypeScript really worth it?

by Leonardo FreitasJuly 17, 2017July 4, 2023

Over the last few months, I’ve been working in a couple of Node.js projects written in TypeScript, and it was a bumpy road to follow …

NPM@5 Arrived. But Is It as Fast as Yarn?

by Paulo DiovaniMay 31, 2017July 4, 2023

Earlier this month, I posted about how yarn is much faster than npm, but today NPM itself posted on Medium about code>npm@5

Should I Migrate to Yarn?

by Paulo DiovaniMay 19, 2017July 4, 2023

Yarn is an alternative package manager for Node.js and Javascript. Acclaimed for being much faster, reliable and secure compared to Npm. But does it really …

Functional Object Composition and MVC
Gluing together encapsulation and functional programming

by Thiago Araújo SilvaMay 1, 2017May 29, 2023

I just read a great blog post on the internet about MVC not being object-oriented, and I could not agree more — after all, we …

Crystal by Numbers
Benchmarking Kemal, Ruby on Rails, and Sinatra

by Dmitry RochaApril 28, 2017May 29, 2023

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% …

NodeJS and Good Practices
Separation of concerns doesn’t need to be boring

by Talysson OliveiraApril 12, 2017July 4, 2023

Softwares are subject to change all the time, and one aspect that contributes to defining the quality of a code is precisely how easy it …

Parallel Tests with AVA

by Paulo DiovaniApril 11, 2017July 4, 2023

There are a lot of test frameworks for JavaScript/Node.js and I’ve been working with Mocha, Jasmine and Lab for a while. But I decided to …

How to Test Shared Behavior in Elixir
Implementing functionality similar to RSpec’s shared examples

by Thiago Araújo SilvaMarch 29, 2017May 29, 2023

Create a new mix project if you want to follow along: $ mix new calculator $ cd calculator Suppose you have a Calculator module and …

Zero to Up and Running a Rails Project only using Docker

by Dmitry RochaMarch 27, 2017

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 Registry
From developing a solution to gradually improving it by listening to the pain

by Thiago Araújo SilvaMarch 23, 2017May 29, 2023

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 …