One reason people hesitate with LAMBDA is the assumption that it requires learning something entirely new. It doesn't. Every ...

Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

The introduction of dynamic arrays triggered the biggest change to how we work with Microsoft Excel formulas in years, if not decades. They allow a single formula to spill multiple results into ...

SUM and VLOOKUP are only a few of the functions Google Sheets offers for using mathematical formulas. When dealing with complex calculations, Apps Script can help you create a custom one. It's a ...

Last month, I explored exit codes and how decent error correction in your shell scripts always should include testing the value of $? after each meaningful command ...

String functions, integer functions ... booorrring! Tuples in C# 7.0 -- let's explore what makes them infinitely more exciting. String functions return a string. Integer functions return an integer.

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 ...