Posts by: Bruno Cunha

11 Reasons To Learn Bash (A.K.A. Command Line)

Learn the command line (also called terminal, bash, or shell), a skill that is critical for doing data science work and building data pipelines efficiently.

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SQL Tutorial: Selecting Ungrouped Columns Without Aggregate Functions

When is a SQL query that returns the correct answer actually wrong? In this tutorial, we’re going to take a close look at a very common mistake. It’s one that will actually return the right answer, but it’s still a mistake that’s important to avoid. That probably sounds rather mysterious, so let’s dive right in. […]

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Why You Should Learn Data Engineering

Why should you learn data engineering? Here are four big reasons. Spoiler alert: one of them is that it pays really, really well.

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xlwings Tutorial: Make Excel Faster Using Python

Pythons xlwings is a tool that allows you to use Python code to control and analyze data in Excel spreadsheets. This tutorial will help you get started.

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