Leonardo Maldonado

  Fullstack developer. JavaScript, React, TypeScript, GraphQL.


24 Stories by Leonardo Maldonado

Building charts in React with Nivo

Explore Nivo, a data visualization library for React, by building a bar and pie chart and implementing them in a React app.
0 5 min read

Type coercion in JavaScript

While JavaScript is easy for beginners, learn how type coercion in JavaScript can be difficult and how to work around it.
0 4 min read

Using Big O notation to improve app performance

Using Big O notation is one of the easiest ways to improve performance in modern applications and measure the complexity of your code.
0 4 min read

SSG vs. SSR in Next.js

Learn the difference between server-side rendering (SSR) and static site generation (SSG) in Next.js, and how to use them in tandem.
0 4 min read

Lazy loading using the Intersection Observer API

Lazy loading your application using the Intersection Observer API can reduce bundle size and load time, improving your UX.
0 5 min read

What’s new in Relay v11

Learn what's new in the latest version of Relay right here, where we explore v11 and how to create reliable React and GraphQL applications.
0 5 min read

Simplify proxy state with Valtio

Valtio is simple, powerful, and combines the power of proxies in React and JavaScript, making state data easy to be used and changed.
0 5 min read

Why you should turn your app into a PWA

Here, you can learn what a Progressive Web App (PWA) is and why you should consider turning your apps into PWAs.
0 5 min read

What you need to know about React Server Components

This overview covers React Server Components and how they will change the modern way of building React apps.
0 5 min read

What’s new in MobX 6.0

Learn more about MobX 6.0 and see how we can migrate our code from older versions to the newest version.
0 4 min read

Making a GraphQL server compatible with Relay

Relay is a technology that's very opinionated, structured, and it ensures that you're using your GraphQL server in the correct way.
0 7 min read

Why binary search is useful

Binary search is a very efficient and fast algorithm to search an element inside a sorted list of elements. Learn more here.
1 4 min read