HackerRank offers a good amount of free coding challenges and practice problems for individuals looking to hone their skills. While basic access is free, HackerRank has premium features and ...

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

Red Sox won 3-1 in Game 1 of the wild card series at Yankee Stadium. Boston manager Alex Cora pushed all the right buttons in the late innings. Red Sox looking to win a fourth consecutive postseason ...

Lawns demand attention, and keeping them looking their best requires a lot of work. However, having the right gardening tools can make this a little easier. If you want your lawn to look like a ...

Abstract: We consider the celebrated bound introduced by Conforti and Cornuéjols (1984) for greedy schemes in submodular optimization. The bound assumes a submodular function defined on a collection ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

ABSTRACT: A new Base-X Conjecture was introduced in this paper, and Collatz Conjecture is just one case of Base-X Conjecture - Base-3 (Ternary). Based on Base-X number system property and Collatz ...

In the previous part, Java Interview Questions and Answers Part I and Java Interview Coding problems for Freshers- Part II, we have explained some basic questions of Java. This part is in continuation ...

ABSTRACT: This work is focused on a quasi-Euclidean space with UV cutoff, IR cutoff and symmetries. Mathematical analysis reveals that the UV cutoff results in the minimum structures of space.