Debugging is the task to identify and remove errors from software applications, and is more than just printing out values in your code. This post describes how to efficiently debug Node.js programs using the latest Google Chrome DevTools. Why console.log is not the best option? Using console.log to debug your code generally dives you into an infinite…

If you come from a C-like programming language, you may wonder why the first ES6 JavaScript code is valid, but the second C program (as you well know) will make the compiler fail. # JavaScript const numbers = [1, 2, 3, 4, 6] numbers[4] = 5 console.log(numbers[4]) // print 5 …

It has been an incredible experience to be part of the AEC Hackathon’s jury in San Francisco last month. First of all, I want to thank Damon Hernandez for the invitation. Damon is the AEC Hackathon’s founder. He works in many areas of the Web3D Industry and has been active…

Nowadays Continuous Integration (CI) has become a de facto standard for modern tech companies and startups. There are several options of how you can setup your perfect CI environment, from using your own Jenkins cluster to third-party services like Travis or CircleCI. Continuous delivery (CD) goes one step further by ensuring…

In this article I want to explain you how you can create thumbnails starting from a pre-recorded video using Python and OpenCV library. You need Python 2.7+ and OpenCV 3 installed on your machine before starting. For Mac OS X you can follow this tutorial, while for Ubuntu you can…

Today was my last day at Impero. After 33 amazing months, I decided to leave and join Pikichat, a French company which operates Tribe in Paris and San Francisco through the US subsidiary. I’m very pleased to help Cyril Paglino and his team to scale their application to million of…

Post previously featured on my old blog, posted on 03/15/2016. Yes, you can test in JavaScript and it’s awesome! Programmers write, compile or interpret, and test code. Looking at the programs output, programmers can establish whether they need to go around again. This cycle of development has remained unchanged since the…

Post previously featured on my old blog, posted on 02/07/2016. A month ago I started my 2016 challenges. One of these is reading at least one book not computer science related each month. This choice has been very important for me, for my relationships and my career. Last month I…

Post previously featured on my old blog, posted on 01/17/2016. I don’t want to write thousands of words about Async Javascript libraries performance. By the way, I benchmarked, using bluebird/benchmark, the most popular Async Javascript libraries on different AWS EC2 instance types. This article reports the results I obtained. Introduction What are promises ? A…