- Write an algorithm to return possible n combinations of array elements from left to right - Write a Command Line Interface (CLI) using Node.js that will (a) create an index in Elasticsearch / populate said index - Let’s assume you work at Causaly and you have an argument with your manager. You are 100% sure you are right, but the manager won’t listen. You are concerned going the other way will have a negative impact on the product. What do you do?