Systems | Development | Analytics | API | Testing

The concept of caching is an important one in computer science and is directly relevant to building web apps. At a high level, caching takes advantage of the fact that memory lookups are faster and less compute-intensive than database queries. If you have a database query that might get made repeatedly, caching the result in a cache speeds up that flow of execution. Rails applications are no exception as they often use memory-based caches like Redis to cache data and improve application performance.

Modules are one of the most commonly used JavaScript features because most JavaScript frameworks and libraries leverage the module feature for organization and componentization. Modules in JavaScript are probably underused—some developers even think that the import and export keywords are ReactJS features. In this article, we'll explain how to encapsulate code using the module system to make your projects cleaner. To start, let's take a look at what encapsulation is in the next section.

In 2018, a major airline’s IT failure led to 75,000 flight cancellations, costing the company over $100 million—all due to undetected software issues. This highlights the critical role of software testing in preventing costly disruptions. A trusted testing partner helps detect hidden flaws, ensure security, and optimize performance. But with so many options available, how do you find the best fit?

APIs are the fuel of modern innovation, but they have to be discoverable and easily consumable to drive the maximum possible value. Without an easy-to-use, developer-friendly discovery layer, Developers are stuck searching across disparate repositories for APIs, or — even worse — wasting time and effort building redundant APIs. The market has already responded to this need with the API Developer Portal concept, where the portal acts as a central catalog for all APIs.

It is essential that you test sites and web applications to ensure their reliability, functionality, and user experience. Thanks to its rich API and impressive list of features, TestCafe has emerged as one of the most popular choices for automated end-to-end testing in Node.js. In this guide, you'll learn what TestCafe is, understand how it works, explore its features, and see it in action with a complete example. Time to become a TestCafe testing expert!

Earlier this year the Kong Konnect Analytics team was looking to leverage the stability and flexibility of our own Kong Gateway to handle the entire load of our Analytics ingest firehose. Almost all Konnect API traffic flows through a Kong Gateway and most of it has from the very beginning. For some legacy and differing protocol reasons, our Analytics ingest service was not included in our initial Kong Gateway configuration.

Traveling today has become as simple as tapping a few buttons on your phone. Remember the days when getting a cab or rickshaw meant standing on the roadside, waving your hand endlessly, or negotiating prices? That struggle feels like a distant memory now. Thanks to technology, everything has changed, and the way we travel is one of the most noticeable transformations.

As we explore different methodologies for sorting data, we turn to the insertion sort algorithm. There are a number of reasons to like insertion sort! First, insertion sort is stable, which means that it does not change the relative order of elements with equal keys. It's also an in-place algorithm, meaning that it does not create a new array to store the sorted elements. Finally, insertion sort is a pretty simple algorithm to implement, as you'll soon see!