In this post, we will explore CSS variables and the prefers-color-scheme media query, and we will build a small example of how to implement dark-mode in a website without using any external libraries and with little to no use of JavaScript. Overview In recent years, “dark mode” has become widely popular…

July 18, 2022 Managing state in a client app is always a tricky (and opinionated) topic. Web developers are familiar with tools like Redux or MobX. These tools follow very specific patterns that are not always easy to learn or understand by new developers. These same tools exist in the…

A few months ago I wrote a post about trying to improve the performance of a React application by emulating Server Side Rendering. That post included code to build a Webpack plugin which pre-rendered our application using JSDOM, took the HTML that was rendered by React and saved it to…

In my previous post, I described an example of manually creating an AWS Lambda function implementing a GraphQL endpoint. Since I’m a big fan of the Serverless Framework, I wanted to write an example of using it to create a project using Go. Also, one of the comments on my…

Desde hace tiempo he querido practicar un poco más con programación reactiva, específicamente con Rxjs; asi que decidí tomar un pedazo de funcionalidad real que tuviera sentido ser implementada con flujos de datos y programación reactiva y funcional. El ejemplo que elegí es un listener de eventos. Trabajando con un…

If you have interest in both Go and FaaS (or Serverless), you’re probably aware that Go is now one of the supported languages for AWS Lambda: AWS Lambda Supports Go You can now develop your AWS Lambda function code using Go. Lambda lets you run code without provisioning and managing…aws.amazon.com Since I played with Go for an IoT hackathon last year I’ve been looking for more opportunities to keep using it.

¿Cuál es el trabajo de tus sueños? ¿Ese trabajo en el que te sentirías pleno, donde tus capacidades no se desperdiciarían? Para muchos es tener su negocio propio. Otros soñamos con trabajar en empresas o instituciones donde se reúnen los mejores profesionales de nuestro campo. Si eres desarrollador de software…

In a previous post I mentioned FaaS, or Function as a Service, a Docker-based project by Alex Ellis. FaaS leverages Docker to create a clustered environment where developers can deploy containerized functions, which can enable Serverless applications. FaaS has changed and grown very quickly. …

A common thing to do if you want to be better at what you do is to hang out where the experts are. Listen to them, learn and open your world. In the world of software development, Twitter (and lately, Medium) is the place to be. A few months back…