Leonardo Maldonado Fullstack developer. JavaScript, React, TypeScript, GraphQL.

Stories by Leonardo Maldonado

When To Use Flexbox And When To Use CSS Grid

When to use Flexbox and when to use CSS Grid

Dev

Learn about which of the CSS layout systems, CSS Flexbox or CSS Grid, is best for your project according to what designs you prefer.

Leonardo Maldonado
Jan 6, 2023 ⋅ 8 min read
Using React useEffect Hook Lifecycle Methods

Using React’s useEffect Hook with lifecycle methods

Dev

Learn about lifecycle methods in React and how we can use the useEffect Hook to use lifecycle methods in functional components.

Leonardo Maldonado
Mar 17, 2022 ⋅ 6 min read
Building Charts in React With Nivo

Building charts in React with Nivo

Dev

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

Leonardo Maldonado
Aug 11, 2021 ⋅ 5 min read

Type coercion in JavaScript

Dev

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

Leonardo Maldonado
Jul 19, 2021 ⋅ 4 min read
Big O Logo

Using Big O notation to improve app performance

Dev

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

Leonardo Maldonado
Jul 8, 2021 ⋅ 4 min read

SSG vs. SSR in Next.js

Dev

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

Leonardo Maldonado
May 31, 2021 ⋅ 4 min read
Lazy Loading Using Intersection Observer API

Lazy loading using the Intersection Observer API

Dev

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

Leonardo Maldonado
May 7, 2021 ⋅ 5 min read
Relay Logo

What’s new in Relay v11

Dev

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.

Leonardo Maldonado
Mar 25, 2021 ⋅ 5 min read
Valtio

Simplify proxy state with Valtio

Dev

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

Leonardo Maldonado
Mar 24, 2021 ⋅ 5 min read
PWA Logo

Why you should turn your app into a PWA

Dev

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

Leonardo Maldonado
Feb 12, 2021 ⋅ 5 min read

What’s new in MobX 6.0

Dev

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

Leonardo Maldonado
Dec 17, 2020 ⋅ 4 min read
Making a GraphQL server compatible with Relay

Making a GraphQL server compatible with Relay

Dev

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

Leonardo Maldonado
Nov 10, 2020 ⋅ 7 min read