Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Java is becoming more popular for building AI applications, with 62% of respondents in Azul’s just-released 2026 State of Java Survey and Report relying on Java for AI development. Last year’s report ...

Excel has outlasted many tech trends, and in the age of AI, it remains very much in the mix. While new platforms promise automation and out-of-the-box intelligence, many teams continue to rely on ...

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

Save hours on data entry and formula writing with my game-changing AI tips. From the laptops on your desk to satellites in space and AI that seems to be everywhere, I cover many topics at PCMag. I've ...

Let's be real, building PowerPoint presentations isn't exactly an enjoyable task. Between formatting slides, cutting down text, and finding a flow of slides that makes sense, the process can feel ...

Spreadsheets have long been a cornerstone of data management, analysis, and reporting. But manually entering formulas and sorting through massive datasets can be time-consuming and error-prone. Enter ...

Microsoft Excel is used for a wide range of tasks pertaining to data organization and analysis. It’s a powerful tool for creating spreadsheets, managing budgets, and tracking changes in data. Many ...

I discovered artificial intelligence tool GPT Excel in my quest to cut down on all the busywork it takes to create and update spreadsheets. Carly Quellman, aka Carly Que, is a multimedia strategist ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...