Expert Contributors Articles

Susan Maina

Updated on May 22, 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 May 22, 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.

Tara Boyle

Updated on May 22, 2025

Glob is a Python module that’s used to search for file path names that match a specific pattern. Here’s how to use it.

Tom Donovan

Updated on May 22, 2025

Big O notation is a metric commonly used in computer science to classify algorithms based on their time and space complexity.

Vinay Kudari

Updated on May 22, 2025

SQLAlchemy is a Python library that provides a Pythonic way of interacting with relational databases and can help you streamline your workflow. Here’s what you need to know.

Luuk Derksen

Updated on May 22, 2025

T-distributed stochastic neighbor embedding (t-SNE) is a non-linear dimensionality reduction technique used to visualize high-dimensional data in a low-dimensional 2D or 3D space. Here's how to apply it in Python.

Abhijeet Pujara

Updated on May 22, 2025

MobileNet is a mobile-first class of convolutional neural network (CNN) that was open-sourced by Google and provides a starting point for training classifiers through a lightweight model.

Parag Radke

Updated on May 22, 2025

Mutual transport layer security (mTLS) is a security method that verifies both parties’ identities in a data transaction by confirming whether each has the correct private key. Here’s how it works, its applications, pros, cons and how to set it up.

Sean Benhur

Updated on May 22, 2025

A Siamese neural network (SNN) is a type of neural network architecture that contains two or more identical sub-networks with the same parameters and weights. SNNs can make predictions using only a few images per class.

Dhanesh TK

Updated on May 22, 2025

An interaction model serves as the blueprint for how a product behaves based on user behavior, with the goal of ensuring a seamless user experience. Take a deep dive into why interaction models matter and how they work.