Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

From blocking unwanted crawlers to fine-tuning access, robots.txt plays a key role in SEO. Learn how to use it effectively.

The newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when.

In business and education, the ability to quickly merge PDF files into a single document is a valuable skill. Whether merging research papers, compiling reports, consolidating legal documents, or ...

Read this guide to learn how to combine multiple files into one PDF file using a free online editing tool as well as downloadable PDF editing software.

How to merge multiple Excel files? How to merge Excel with the same type? What if there is duplicate data during the merge? How to summarize data from multiple files? I believe many colleagues will ...

But if you aren't, and you have several flat data files that you need to quickly and simply compile into one .xlsx spreadsheet file, XMerge can help. Flat data files means comma-delimited (.csv), ...

If you ever find yourself with the need to combine several PDFs into one single file, you may be immediately frustrated: It's not immediately obvious how to achieve what you're trying to do ...

No matter your operating system, knowing how to combine PDF files is a good skill. We'll teach you the best ways to do so for Windows, macOS, or via the web.