Coding

• https://coderbyte.com/
• https://leetcode.com/
• https://lintcode.com
• https://hackerrank.com
• https://www.dotnetperls.com/
• https://checkio.org/
• https://www.algoexpert.io/purchase
• https://www.educative.io/courses/grokking-the-coding-interview?aff=x06V

NetsBlox

DevOps / Software Engineers

Katacoda - Interactive Learning Platform for Software Engineers

Cron

• https://cron.help/every-day-at-midnight