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 ...

For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

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 ...

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 ...

How to turn complex formulas into easy-to-use custom functions using LAMBDA() in Excel Your email has been sent LAMBDA functions are new to Microsoft Excel. With LAMBDA functions, you can turn a ...

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 ...