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.

In Ohio, we expect our public utilities to play by the rules — to justify their rates, follow disconnection procedures, and protect consumers from predatory practices. But right now, thousands of ...

Abstract: The growing demand for sustainable and clean energy has underscored the importance of photovoltaic (PV) power systems as essential to modern energy infrastructures. To optimize the ...

So, you want to get good at LeetCode, especially using Java? It’s a common goal for a lot of us trying to land those tech jobs. This guide is all about helping you get there. We’ll go over how to ...

To satisfy the seafood needs of billions of people, offering them access to a more biodiverse array of fish creates opportunities to mix-and-match species to obtain better nutrition from smaller ...

A new "trans-amplifying" mRNA vaccine delivers powerful immunity using 40 times less material and could protect against many virus strains at once. Scientists say it may pave the way for faster, ...

Abstract: Sub-synchronous oscillation (SSO) is considered a stability issue related to turbine-generator systems, posing negative impacts on system integrity. The high penetration of wind energy has ...

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.