How-To Geek on MSN

Excel's UNIQUE function can't skip columns—unless you use this trick

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.
How-To Geek on MSN

Stop crashing your Python scripts: How Zarr handles massive arrays

Tired of out-of-memory errors derailing your data analysis? There's a better way to handle huge arrays in Python.