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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Extensive trail database. Excellent search filters to narrow down trails. Great community features. GPS is accurate. Excellent route planning tools (paid only). 3D flyovers are fun. Offline and ...

From unique fauna to poison ivy, trails may have a variety of features to pique a traveler’s curiosity. Fortunately, a popular app is taking the guesswork out of identifying what they are. The outdoor ...

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 ...

Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude of ...

⚠️ 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 ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. You can enjoy hiking in many ...

AllTrails is a great resource for planning and executing your outdoor activities. Here are my favorite features and why I upgraded my subscription. Aly Lopez was a writer on the sleep and wellness ...

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… ...