Ruby Programming Language Overview: Read a Complete Program

Follow an order-summary program from data to output, then test empty input, incorrect types and missing keys.

Follow an order-summary program from data to output, then test empty input, incorrect types and missing keys.
Campaign spreadsheets get messy very fast. One person tracks followers, another tracks video views, and somebody else has the monthly service charge tucked away in a column. All of it relates to the same campaign, although the figures need different…

Choose a practical Ruby project by its inputs, output and failure rules, from a cleanup script to a shared web application.

GitHub, Shopify and Airbnb turn up in almost every list of websites made with Ruby. Familiar names are useful, but they only answer part of the question. How many sites use Ruby, and what does it mean when a crawler…

Salesforce imports seem simple until automation breaks Importing data into Salesforce can look straightforward. Choose a file, map the columns, test the records and move them into production. The administrative steps are familiar. The difficulties often appear later, when an…

Compare Ruby and Python scraping workflows, from fetching and parsing HTML to handling changed pages, crawl state and downstream data checks.

Compare Ruby and PHP through tested filtering examples, common translation mistakes, framework choices, and practical questions for your next web project.

A practical framework for adding AI without weakening an established Rails application, with questions about integration, authorization, testing and operations.

Understand how Ruby and Rails fit together, test a practical Ruby example and use an interactive project chooser to decide what to learn or build next.

Compare Ruby and Go with practical code examples, clear web development and deployment trade-offs, and an interactive guide to choosing a stack for your project.