Blog | Ricardo Huamani

Written by Ricardo Huamani Parian. Full-stack web developer, autodidact, and technical writer. I enjoy coding and sharing about technology. You can follow me on Twitter

What is Deno JS? Introduction to Deno

June 14, 2020

From its home page, it’s a simple, modern, and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust. But before we…

Module 3 - Normalize, generate migrations and validate models with Rails

May 23, 2020

Let’s say our client want us to create an API REST focused on Pokemons and Trainers, but we don’t have any data yet. We only know we need to…

How to connect to PostgreSQL with psql

May 18, 2020

Once we installed PostgreSQL, we can use psql command to connect to our databases through the terminal and make queries. But before using it…

How to install PostgreSQL and PGAdmin 4 on Ubuntu 18.04

May 13, 2020

First, we import the key from Then, we add the postgresql repository to our sources. For that, we create the file /etc/apt/sources.list.d…

Module 2 Evaluation - Cómo definir nuestro modelo Book con LazyRecord

May 08, 2020

Advertencia: Pude haberme comido alguna letra o coma. Un modelo representa una entidad de tus datos almacenados. En nuestro caso queremos…

Module 2 Evaluation - Cómo definir las rutas

May 08, 2020

Nosotros definiremos todas nuestras rutas dentro de app.rb Primero, según las historias de usuario, el usuario puede ver el landing page,…

Mini Tips con Ruby

May 08, 2020

Primero recordamos que después de inicializar un proyecto con bundle (bundle init), agregamos al gemas a nuestro proyecto con el comando add…