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Why & How to Use Window Functions to Aggregate Data in Postgres


Data aggregation queries can be messy to write and use. Postgres provides window functions to aggregate data neatly and reduces the need to write multiple subqueries. In this article, you’ll learn what window functions are and how to use them to aggregate your data.

Guide to Sorting in JavaScript


Sorting in JavaScript is an operation to keep items in the correct order. There are several ways to sort data types such as integers, strings, and arrays, and this article walks you through these methods.

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This is an important step in the evolution of technical interviews. We see interviewing as an authentic evaluation of the skills someone actually needs to thrive in the job. Frameworks make it even easier to achieve this.