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, ...

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Communication through written word existed long before the days of text messages and DMs, and even then some kind of security was needed to protect people’s secrets. When we think of a handwritten ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS ...

Windows 11 is available for download worldwide. Microsoft has released it as a free upgrade, which means you do not need to pay to upgrade your computer to Windows 11. It is available for free ...

Before the use of envelopes, people used ingenious methods to prevent prying eyes from reading their letters. One such person was Mary Queen of Scots, who composed her last ever letter from prison.

⚠️ 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 boot your Raspberry Pi from USB instead of unreliable SD cards? If you've used a Raspberry Pi long enough, you've probably faced the… ...

Fortune-seekers and former soldiers arrived in the small towns of the Old West, carrying pistols and a taste for violence. Review by Richard Snow ...