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What is a Cron Job and how to write to the Crontab

Updated 10th December 2023

The need to schedule tasks on a machine is common for any Software Developer, System Admin or IT professional, so it’s important to learn what a cron job is and how to write to the crontab. What is CRON? Cron is a daemon built-in to most Unix-like operating systems such as: Cron reads the crontab (cron tables)

DRY: What is DRY in Development

Updated 16th August 2022

DRY stands for Don’t Repeat Yourself. It’s a principle in software development that aims to reduce the repetition of code and favor abstraction and avoid redundancy. Let’s learn the meaning of DRY. The DRY principle is stated as “Every piece of knowledge must have a single, unambiguous, authoritative representation within a system”, but what does

Destructuring in JavaScript

Updated 16th August 2022

Introduced in ES6, Destructuring in JavaScript is a way to unpack values from arrays, or properties from objects, into distinct variables. What is a use-case of Destructuring in JavaScript? Until ES6, if we wanted to extract data from an array we would have to do something similar to: let message = ; let greeting