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.

The best artificial Christmas trees dazzle your home without the cleanup and maintenance required of a real tree. They also offer features no live tree can offer: the ability to re-use your tree year ...

The environmental pros and cons of Christmas trees go far beyond the climate impact of "real or plastic", scientists say. So what's the best choice for a green Christmas? In 1800, Queen Charlotte, the ...

This repository contains a complete set of Java implementations for fundamental Data Structures and Algorithms, including all course labs, lecture examples, and supporting utility code. It is ...

You are given a map of a server center, represented as a m * n integer matrix grid, where 1 means that on that cell there is a server and 0 means that it is no server. Two servers are said to ...