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How would you code a shuffle() function that randomizes an array uniformly using roll()?

Given an array of integers and a target sum, find the smallest subarray with a sum greater than or equal to the target sum using the greedy approach.

Suppose you have a SQL table called messages with fields id, sender_id, receiver_id, and message. What query would you use to extract the distinct communicators?

Let's discuss the terms type I and type II errors when assessing a hypothesis. Which one, in your opinion, is the more severe mistake?

What drew you to Datadog?

What are the benefits of SGD's convergence properties over those of standard gradient descent?

How is the probability of correctly guessing a randomly chosen card from a deck calculated?

Which optimization strategies are within your realm of expertise? What are the best practices for handling optimization problems with a vast number of variables? What does the simplex method entail when addressing optimization challenges?

What's the reason behind the curse of dimensionality in data analysis, and how would you resolve it?

Tell me about a time you had to convince someone that an idea worked, and how you did it?