Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

One constant about PowerShell is that someone is always learning it. So I shouldn't be too surprised to get e-mails or tweets about beginner topics. It helps remind me that Prof. PowerShell needs to ...

The three most common open source technologies for writing data science programs are Python, SciLab, and R. Here's how to write program-defined functions in R. There's no clear definition of the term ...