When handling arrays in PHP, do you find yourself using foreach for everything? While foreach is versatile, it often leads to ...

When I first discovered Excel's dynamic array functions, my entire approach to spreadsheet design shifted. They replaced my clunky, multistep workarounds with smart, self-expanding formulas that adapt ...

Q. How do I use the FILTER function in Excel, and how is this an improvement over the filter feature? A. The FILTER function was introduced five years ago as part of the Excel Dynamic Arrays rollout.

With the FILTER function, adding or changing criteria instantly updates my results, while the original data stays intact.

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel’s FILTER() function. There are a number of ways to highlight duplicate values.

In addition to the new SORT function, you may also find the new FILTER and UNIQUE array functions useful. For example, the worksheet on the next page contains a detailed listing of invoices in columns ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...