The Advanced Google Sheets Features You Should Be Using but Probably Aren’t

This Google Sheets Advanced Tutorial explains IF, VLOOKUP, INDEX MATCH, and pivot tables, plus macros and Apps Script for ...
YouTube on MSN

Turn Excel data into PowerPoint slides automatically

Did you know you can now generate PowerPoint slides from Excel sheets automatically using Claude AI? This video covers the ...

Generate Complex Excel Formulas in Seconds Using ChatGPT

ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.
GitHub

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with ...

The public API is still not stable and it is a very good idea to read release notes and migration guide before each update. Performance matters mostly for large files. For small files, few ms here or ...
GitHub

The One Billion Row Challenge

This will take a few minutes. Attention: the generated file has a size of approx. 12 GB, so make sure to have enough diskspace. If you're running the challenge with a non-Java language, there's a ...