Expert Contributors Articles

Denis Lukichev

Updated on July 28, 2025

Recursive SQL expressions allow you to reference previous results in a hierarchical data set in order to extract information. Here’s how it works.

Cornellius Yudha Wijaya

Updated on July 28, 2025

Converting your Jupyter Notebook to PDF is a useful way to share your processed data set. Here’s how to do it in three simple steps.

Robert Chamberlin

Updated on July 25, 2025

AI innovation depends on physical infrastructure, yet physical security is often an afterthought. Here’s why that’s a problem.

Raivat Shah

Updated on July 25, 2025

A priority queue in Python is an abstract data structure that is like a normal queue but where each item has a special “key” to quantify its “priority.”

Ahmed El Bir

Updated on July 25, 2025

Learn how to distinguish between the two scopes of Python attributes, class vs instance, and how to use them.

Anupam Upadhyaya

Updated on July 24, 2025

Existing efforts to stymie the top data risks of today often fail. Our expert explains why a holistic, multilayered approach is required to fix modern data security.

Jinali Goradia

Updated on July 24, 2025

Fintech apps may seem simple, but behind the scenes is a complex web of legacy infrastructure, regulations, security protocols and risk trade-offs. Here’s how PMs can navigate it. 

John Miller

Updated on July 24, 2025

As AI-driven search overtakes its traditional counterpart, LLMO is becoming essential for digital visibility. Our expert offers some tips for thriving in the new era.

Erdem İŞBİLEN

Updated on July 24, 2025

Process mining is an emerging data science technique that involves analyzing event logs to extract information about an organization’s underlying operational processes. Here’s how it works.

Eric Kleppen

Updated on July 24, 2025

In the Turing Test, a computer and human are asked questions to determine which is human. The computer passes if it is indistinguishable from the human. Here’s how the test works, a brief history, variations, limitations and how it’s used today.