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, ...

Neetcode 150 is a curated list of 150 LeetCode problems designed to cover all possible patterns & topics in data structures. Mainly practicing in C, C++, Rust, Python ...

Kayla Stuart is a Tennessee-based urban forester who leads the organization Tree CPR to create healthier stronger communities ...

Trees are the most spectacular plants in the garden. And since they grow so slowly, it is imperative that we treat them with utmost respect. That means pruning their limbs and branches correctly.

From Estonia to Antarctica, this once-pagan symbol has taken on many strange forms. In December 1848, an illustration showed Queen Victoria, Prince Albert, and their children admiring a Christmas tree ...

Transform your holiday decor with a charming cardboard Christmas tree. This step-by-step guide walks you through creating a festive masterpiece that adds a personal touch to your celebrations. Perfect ...

“I saw in Louisiana a live-oak growing / All alone stood it, and the moss hung down from the branches.” —Walt Whitman, Leaves of Grass, 1860-61 More than 150 years after Whitman wrote those lines, the ...