In October 2024 I attended a workshop at Harvard University where mathematicians talked through the uses of artificial intelligence in their field. Most were less worried about the future of math than ...

So, you’ve got a HackerRank test coming up, huh? It’s pretty common these days, with lots of companies using it to see if you can code. It can feel a bit daunting, but honestly, it’s just another ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

LeetCode focuses mainly on algorithms, while data science requires skills like SQL, statistics, and working with real data. Different platforms offer various ways to prepare, from building portfolios ...

we have a swipe table which keeps track of the employee login and logout timings. 1. Find out the time employee person spent in office on a particular day (office hours = last logout time - first ...

This page contains solutions for all HackerRank Java challenges which were passed successfully. There can be multiple ways of approaching solution to any problem. Please find the provided solutions ...