When it comes to working with data in a tabular form, most people reach for a spreadsheet. That’s not a bad choice: Microsoft Excel and similar programs are familiar and loaded with functionality for ...

In some ways, data and its quality can seem strange to people used to assessing the quality of software. There’s often no observable behaviour to check and little in the way of structure to help you ...

JIT compiler stack up against PyPy? We ran side-by-side benchmarks to find out, and the answers may surprise you.

Vladimir Zakharov explains how DataFrames serve as a vital tool for data-oriented programming in the Java ecosystem. By ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

The release of files, videos and photographs from the federal inquiry into Jeffrey Epstein is the largest to date, and the final one planned by the Justice Department. Times reporters are sifting ...

January 20, 2026 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Figuring out the best time to buy something requires ...

Never assume hotel or hostel prices are fixed. We've 20+ tips for bagging cheap accommodation, including cashback, how to grab special opening rates, and exploit free cancellation policies. This guide ...

We chose these mortgage lenders by looking at customer reviews, fees, loan options and how fast they close loans. We used a scoring system that gives more weight to what matters most to borrowers: ...

Office 365 is the gold standard for tools to get your work done, and it’s used by hundreds of millions of people worldwide. But what if you need to collaborate with someone who doesn’t have Office?

Alana Benson is an investing writer who joined NerdWallet in 2019. She covers a wide variety of investing topics including stocks, socially responsible investing, cryptocurrency, mutual funds, HSAs ...