If you've ever wished Excel could handle text patterns the way Python or JavaScript does, these functions deliver exactly ...

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

In October 1984 I arrived at Oxford University, trailing a large steamer trunk containing a couple of changes of clothing and about five dozen textbooks. I had a freshly minted bachelor’s degree in ...

This repository contains the Jupyter Notebooks behind my O'Reilly report, A Whirlwind Tour of Python (free 100-page pdf). A Whirlwind Tour of Python is a fast-paced introduction to essential ...

This repository contains a Python library which implements real time FIR filters. The library was optimized in C++. A demo and a howto are also provided Elements of the repository: 'FIR.py': PYTHON ...

Going to the database repeatedly is slow and operations-heavy. Caching stores recent/frequent data in a faster layer (memory) ...