October 13, 2016
It  is every recruiter’s nightmare. More open positions to fill than you can count, looming deadlines, 24-hour days which are just not enough, 234 résumés in your inbox to review, a few no-calls, no-shows... And you are struggling to find the right fit. Sounds familiar? If you are having trouble attracting top-quality applicants, this read […]
October 12, 2016
When we started building HackerEarth, we had one mission on our minds–to help you become a better programmer. 4 years and a million users later, we feel we’re on our way to achieving what we set out to do. Last year, we took another baby step towards our goal. We launched a new initiative called […]
October 12, 2016
Data is key for making important business decisions. Depending upon the domain and complexity of the business, there can be many different purposes that a regression model can solve. It could be to optimize a business goal or find patterns that cannot be observed easily in raw data. Even if you have a fair understanding […]
October 6, 2016
Moving from point A to point B is the prime requirement for many games—whether it is a strategic tactic-based RPG (role-playing game) like Warcraft III or one that’s as simple as Snakes and Ladders. The source-to-destination navigation sometimes requires more intelligence from your character than you believe,it needs to find the path with ease. You […]
Webinar Date: October 13, 2016
HackerEarth is pleased to announce a webinar on Approximation Algorithms, to help you learn from the best programmers and domain experts from all over the world. The webinar will help you understand Approximation Algorithms. Approximation Algorithms are used when we don't have deterministic solutions of the problems. In other way, we can say, that solutions are […]
September 23, 2016
  Remember the scene from the Facebook movie,  The Social Network where Mark Zuckerberg, while creating “Facemash” (the earlier version of Facebook), tells Eduardo Saverin, "I need the algorithm you used to rank chess players” who then writes an equation on the glass panel?   That equation is called the Elo rating or Elo rating system, […]
Webinar Date: October 5, 2016
HackerEarth is pleased to announce a webinar on Machine Learning, to help you learn from the best programmers and domain experts from all over the world. This webinar would help you understand Deep learning frameworks, such as convolutional neural networks (CNNs), which have almost completely replaced other machine learning techniques for specific tasks such as […]
September 22, 2016
In the previous article, we saw how dplyr and tidyr packages in R can be used to visualize and plot data to gain a better understanding of the underlying properties. Now let’s explore the data visualization techniques in Python and see how similar tasks can be performed. Pandas: Pandas is a Python package aimed toward […]
September 19, 2016
Smart city services like smart water management, smart energy, smart mobility, smart buildings etc..are based on a centralized system. A web of sensors that are spread across the city feed data to this centralized system or central control center by sensing activities in the physical environment. At the control center the data is processed and […]
September 12, 2016
This post focuses on the impact that medical algorithms have in the field of healthcare where you must be a 100% right at all times. There is no room for errors because even the trivial errors can create a major impact. However, even the smartest and best-trained professionals are prone to errors. Tragedies due to […]