Integers overflow and underflow
by As we all should know already, memory is not an infinite resource despite looking like it. Given our current scenario where hardware is relatively cheap, …
Category: Beginner
Using Docker to instantiate local databases A minimalist guide on the Docker way of setting up local databases
by From tutorials to enterprise-level software, knowing how to set up a local database instance is a mandatory skill. You’ve probably had to go through tons …
CodeTips#2: How Specificity works in CSS
by When working on web apps, at some point, you will need to overwrite styles from components to which you have no access to the CSS …
Clean code in JavaScript
by * Image from unsplash INTRODUCTION INTRODUCTION I believe the comic strip above sums it well: You write clean code mainly to understand yourself in the …
A beginner’s personal journey into automated tests
by Like many engineers, I landed into coding kind of by accident. I was programming alone and unsupervised for a decade and my work was mostly …
CodeTips#1: Exploring Hashes in Ruby
by Hello, fellow readers! Before we can jump right in, we have an announcement! There is a new series of posts here in the blog: CodeTips! …
Elixir/Erlang: Tail Call Optimization is not enough Feelings after researching and experimenting on Tail Call Optimization
by In this article, we’ll be talking about a widespread concept of Functional Programming called Tail Call Recursion (or Tail Call Optimization or just Tail Call). …
Ruby’s Cool Features for Beginners
by Hi, everyone! In this article, we’re gonna cover some features and concepts that differ Ruby from other programming languages, especially from languages that I’ve learned …
AWS SNS – What You Should Know About it + a NodeJS Implementation
by Image by unsplash Hi there! In the past few weeks I’ve been working on the backend of a mobile chat application, or, what I like …
AWS Cognito – An Implementation Guide for your NodeJS Application
In this article, we aim to give you an overview of what AWS Cognito solves and how to use it as your app’s authentication provider, …