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.

Which platforms would I recommend as a go-to for learning and practicing data science skills? The list would change every day, depending on my mood. Here’s today’s list with an overview of each ...

Lintcode.com——LintCode网站是国内较大的在线编程&测评网站。此网站提供各大IT公司的算法面试题类型，行分门别类，由简单到中等，再到难，便于不同水平的程序员进行刷题练习。同时网站支持 ...