Let's say that you have a file with millions of lines and you need to analyse it.

A few weeks ago I started seeing an error that was preventing the Jenkins (docker) slave from running the tests of one of our projects.

I was recently working on a frontend project that uses Angular2. We have 3 environments, development; staging and production so the frontend points to a different API url for each of the environments.

Let's face it, one of the most difficult things to understand when learning Javascript is the asynchronous stuff. If you want to learn how to solve it (almost), keep reading, I'll show you how to use promises in an easy way, step by step.

I'm working on a project on Sails.js and I need to insert 144,034 records into a MySQL database. Sails provides Waterline, a database abstraction mechanism which is outside of the scope of this post.