Month: November 2020

A/B testing my resume

Internet wisdom is divided on whether one-page resumes are more effective at landing you an interview than two-page ones. Most of the advice out there seems much opinion- or anecdotal-based, with very little scientific basis. Well, let’s fix that. Being currently open to work, I thought this would be the right time to test this […]

Unit testing SQL with PySpark

Machine-learning applications frequently feature SQL queries, which range from simple projections to complex aggregations over several join operations. There doesn’t seem to be much guidance on how to verify that these queries are correct. All mainstream programming languages have embraced unit tests as the primary tool to verify the correctness of the language’s smallest building […]

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