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How We Used Gatsby.js to Build a Blazing Fast E-Commerce Site

How We Used Gatsby.js to Build a Blazing Fast E-Commerce Site

How we used Gatsby.js to build a statically-generated, highly-performant e-commerce site.
Go to the profile of Mae Capozzi
Mae Capozzi
Creating a Typography System With React and styled-components

Creating a Typography System With React and styled-components

An Iterative Journey
Go to the profile of Jacy Clare
Jacy Clare
Why We Migrated Our Engineering Blog From Jekyll to Medium

Why We Migrated Our Engineering Blog From Jekyll to Medium

When we first launched the Harry’s Engineering Blog back in October of 2013, it was a custom Jekyll application hosted with GitHub Pages…
Go to the profile of Tim Brown
Tim Brown
An on-demand high-powered Jupyter notebook server

An on-demand high-powered Jupyter notebook server

Harry’s Analytics used Docker and AWS CloudFormation to provision a remote Jupyter notebook server for training machine learning models…
Go to the profile of Andrea Heyman
Andrea Heyman
Atomic Increment/Decrement operations in SQL and fun with locks

Atomic Increment/Decrement operations in SQL and fun with locks

SQL supports atomic increment and decrement operations on numeric columns. The “trick” is to use an update query following a specific…
Go to the profile of pierre jambet
pierre jambet
Matching Cities for Small Sample Experiments

Matching Cities for Small Sample Experiments

We use a generalized form of propensity score matching to determine which characteristics of a city are most relevant to us for an…
Go to the profile of Michael Kaminsky
Michael Kaminsky
Democratizing Kaplan-Meier

Democratizing Kaplan-Meier

We’ve used Looker on PostgreSQL to allow anyone in the company to perform Kaplan-Meier analysis on our retention data to drive insights and…
Go to the profile of Michael Kaminsky
Michael Kaminsky
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