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 ...

Choose the best way to extract and rearrange your data in Excel.

Q. Is it possible to sort a column in Excel using formulas rather than the Data tab’s Sort tool, so the sort process is performed automatically as I update my data? A. Excel has announced a new ...

To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in the case of two-dimensional ...

Understand the correct terminology to understand how Excel works in the background.

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 ...

NumPy is known for being fast, but could it go even faster? Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with data in ...