Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

If you work with PDF files regularly then a PDF editor is an indispensable tool. Whether it’s part of your job, you manage PDF files for your own personal use, or you just need to complete a one-off ...

Thinking about learning Python? It’s a pretty popular language these days, and for good reason. It’s not super complicated, which is nice if you’re just starting out. We’ve put together a guide that ...

⚠️ This repository is archived: The content in this repository was moved to other locations. If you have issues or PR, please submit them to their new location. In this repository, we've put together ...

Want to correct errors or update content in a PDF? Whether you prefer a powerful, corporate-friendly solution or a basic app you can use at no cost, we're here to help you find the best PDF software ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

Robbie has been an avid gamer for well over 20 years. During that time, he's watched countless franchises rise and fall. He's a big RPG fan but dabbles in a little bit of everything. Writing about ...

PDFs are a great way to share documents because the format can be read by mostly anyone and it works just as well with images as it does text, graphs and graphics. But it's not easy to edit without ...

You don’t need to download anything because with pdfFiller you may easily edit a document right in your browser. Actually, with this tool, you may easily fill out ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...