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Web scraping, or crawling, is the process of fetching data from a third-party website by downloading and parsing the HTML code to extract the data you need. "But why don't you use the API for this?" Not every website offers an API, and those that do might not expose all the information you need. Therefore, scraping often becomes the only viable solution to extract website data. There are numerous
Introduction This post covers the main tools and techniques for web scraping in Ruby. We start with an introduction to building a web scraper using common Ruby HTTP clients and how to parse HTML documents in Ruby. This approach to web scraping does have its limitations, however, and can come with a fair dose of frustration. Particularly in the context of single-page applications, we will quickly c
How does one choose the perfect HTTP Client? The Ruby ecosystem offers a wealth of gems to make an HTTP request. Some are pure Ruby, some are based on Ruby's native Net::HTTP, and some are wrappers for existing libraries or Ruby bindings for libcurl. In this article, I will present the most popular gems by providing a short description and code snippets of making a request to the Dad Jokes API . T
Have you ever wondered how to scrape data from websites automatically? Or how some websites and web applications can extract and display data so seamlessly from other sites in real-time? Whether you want to collect and track prices from e-commerce sites, gather news articles and research data, or monitor social media trends, web scraping is the tool you need. In this tutorial, we'll explore the wo
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