Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

Q4 2025 Earnings Call February 19, 2026 5:00 PM ESTCompany ParticipantsMichael Judd - Director of Capital Markets ...

Pull fresh Unsplash wallpapers and rotate them on GNOME automatically with a Python script plus a systemd service and timer.

So, you want to get serious about content marketing? It’s a bit like trying to build something solid when the ground keeps shifting. New trends pop up, algorithms change, and what worked last year ...

The world of mobile payments is changing fast, and some really interesting companies are leading the way. We’re seeing new tech pop up all the time that makes paying with our phones easier and more ...

Betting on issues of national security, like war, introduces perverse motives like insider trading. It also risks normalizing ...

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 ...

Bayes' theorem is a statistical formula used to calculate conditional probability. Learn how it works, how to calculate it ...

The Beneish model was designed by M. Daniel Beneish to quantify eight variables that can indicate that a company is misrepresenting its profits. Here’s how it works.