DGET is a straightforward lookup function designed to retrieve a single value from a column in a table or database. It's ...

When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions.

The lookup function in Excel can save you a lot of time and effort, but only if you actually know how to use its many forms and alterations.

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 ...

M4N asks: Is there a reason why functions in most (?) programming languages are designed to support any number of input parameters but only one return value? In most languages, it is possible to ...