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 ...

Extract partial data from an array in Excel.

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 ...

What if you could unlock the full potential of Excel’s dynamic arrays within your tables, making your data management more efficient and powerful? Integrating dynamic arrays within Excel tables can be ...

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 ...

When handling arrays in PHP, do you find yourself using foreach for everything? While foreach is versatile, it often leads to long code where you have to prepare an empty array, write conditions, and ...

Microsoft Excel’s dynamic array function XLOOKUP() might completely replace VLOOKUP() and HLOOKUP(). Microsoft Excel’s lookup functions are powerful but often misunderstood because they have a few ...

Filters are often confused with selectors, but they are quite different and serve the important purpose of discovering the things that a simple selector cannot. This is an extract from my book Just ...