Expert Contributors Articles

Alex Williams

Updated on March 25, 2025

SushiSwap and Uniswap are two popular decentralized exchanges for cryptocurrency. Our expert assesses the differences between the two platforms.

Giorgos Myrianthous

Updated on March 25, 2025

Python’s shutil module offers four different ways to copy a file — shutil.copy(), shutil.copyfile(), shutil.copy2() and shutil.copyfileobj(). Here’s how to use each method and which one to pick to copy a file in Python.

Nicky Watson

Updated on March 25, 2025

The Department of Government Efficiency’s (DOGE) access to troves of personal data carries significant data privacy risks and could have far-reaching consequences. Learn more. 

Paul Barba

Updated on March 25, 2025

Data often reflects the biases that pervade the larger world. To make machine learning processes more equitable, we need to employ a variety of methods to eliminate bias.

Jeff Catlin

Updated on March 25, 2025

Domain-specific AI isn’t here quite yet, but deep language learning models like BERT and GPT-3 suggest it’s just a matter of time before your niche sees its own transformative AI innovations.

Judith Etugbo

Updated on March 25, 2025

A zero-knowledge proof is a cryptographic method that allows one party to provide provable information to the other party without revealing that information. Here’s how it works. 

Charles Miglietti

Updated on March 25, 2025

After leading his startup to a $13.2 million Series A and hiring 100 employees globally, this CEO believes that paying others to solve early problems is a lousy way to build a strong, scalable business.

Susan Maina

Updated on March 24, 2025

You can put a for loop inside an if statement (and vice versa) in Python using nested control flow. For loops complete an iterative action for a defined number of elements, while if statements test a condition and then complete an action.

Wai Foong Ng

Updated on March 24, 2025

ExcelJS is a JavaScript package for managing Excel spreadsheets and workbooks. It can be used to read, manipulate and write spreadsheet data to XLSX and JSON.

Jonathan Hsu

Updated on March 24, 2025

In programming, for loops are best used when you know the number of iterations ahead of time, whereas a while loop is best used when you don't know the number of iterations in advance. Both methods can help you iterate through your code.