A collection of 12 posts
One of the most basic requirements of good application monitoring is to have robust logging to keep track of everything that’s going on. By themselves, however, the log messages can only tell us so much. Seeing a log message indicating...
When we deal with objects in our applications, they often contain sensitive information. An object that represents a user fetched from the database, for example, would likely contain a password.
Recently in one of my projects I had to remove duplicates from an array. Instead of looking up a npm package that could do it for me I chose to implement it myself. Here’s what I learned about this seemingly...
Many people wonder how a single-threaded Node.js can compete with multithreaded back ends. At first it may seem counterintuitive that so many huge companies pick Node as their back end, given its supposed single-threaded nature. To know why, we have...
When working with functional programming a good rule of thumb is to always create new objects instead of changing old ones. In doing so we can be sure that our meddling with the object’s structure won’t affect some seemingly unrelated...
