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Ghost CMS flaw CVE-2026-26980 enabled attacks on 700+ sites, injecting ClickFix malware through fake CAPTCHA pages.

Replacing LET formulas with helper columns made my Excel workbooks easier to audit, adapt, and troubleshoot.

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 ...

Suppose you are working on a complex bash script to automate a series of tasks on your Linux system. You notice that as it grows, there are certain parts of the script where the same code blocks are ...

Functions are the building blocks of Python programming. They let you organize your code, reduce repetition, and make your programs more readable and reusable. Whether you’re writing small scripts or ...

A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...

Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression using JavaScript. Linear regression is the simplest machine learning technique to predict a single numeric value, ...

Q. Are there any alternatives to traditional PivotTables in Excel? A. The first thing that comes to mind is the function GROUPBY. The primary purpose of GROUPBY is to make data analysis easier by ...