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Exceptions are a commonly used feature in the Ruby programming language. The Ruby standard library defines about 30 different subclasses of exceptions, some of which have their own subclasses. The exception mechanism in Ruby is very powerful but often misused. This article will discuss the use of exceptions and show some examples of how to deal with them.

MySQL and PostgreSQL offer many of the same features and capabilities—but there are critical differences between these two Relational Database Management Systems (RDBMS) that cannot be ignored. If you’re not familiar with these differences, here’s a quick and easy overview: In this guide, we provide a brief history and overview of each database system.

Although it might seem a little early, I was just thinking: what will 2023 be remembered for? For many it will be the year that Beyonce and Taylor Swift took to stages around the world and pushed the boundaries of live music (I’m a confirmed Swiftie if you didn’t know). It is also the year of AI. When I speak with customers, they all talk about how they are steering towards AI adoption.

Imagine this: data consumers in your organization no longer anxiously wait for essential data, self-serving data with ease and confidence. Data engineers, freed from dull routine tasks and ad-hoc requests, tackling strategic projects at speed. Meet Data Apps. This new Keboola feature empowers business teams with self-serve data while freeing data engineers to focus on high-impact work. How?

Playwright and Puppeteer have emerged as two of the most powerful end-to-end testing Node.js libraries. Their robust APIs make it easier to test the UI and workflows of sites and web applications. Although they are similar tools that offer comparable features, there are circumstances in which one is better to use than the other. In this article, we'll look at scenarios where it's better to use Playwright than Puppeteer for functionality and performance reasons.

Sidekiq allows Ruby developers to maintain fast and responsive web applications by moving time-consuming tasks into the background. With multithreading at its core, Sidekiq can process many jobs at once. This makes Sidekiq an important part of Ruby or Rails applications that handle heavy loads or perform tasks like sending emails or processing files.

Mobile test automation has become a crucial aspect of software testing due to the increasing popularity of mobile devices. However, the lack of simple and focused toolsets has resulted in a gap in the availability of effective mobile test automation skills in the industry.

In the digital age, data transfer is as essential as air. SSH and SFTP are two pivotal protocols that have made secure data transfer possible. This article explores these two protocols, offering a deep dive into their functionality, history, and differences.