The Javascript ReferenceError occurs when referencing a variable that does not exist or has not yet been initialized in the current scope. Reference errors in Javascript are of a few different types, with variations of each, that may get triggered in code. Some of these are discussed below.
Do you need to process a lot of data in real time? Event streaming is a pattern that could help. David Sanchez walks us through how to do event streaming in Rails with Apache Kafka, the popular open-source event streaming platform.
Our everyday digital experiences are in the midst of a revolution. Customers increasingly expect their online experiences to be interactive, immersive, and realtime by default. The need to satisfy user expectations is driving the exponential growth of event-driven architectures in organizations of all shapes and sizes. And by enabling users to have realtime experiences whenever and wherever they want, 24/7, mobile drives this change further and faster.
Supply chain shocks have wracked organizations across the globe, and healthcare and life sciences companies aren’t immune. News headlines were focused on personal protective equipment (PPE) shortages early in the pandemic, and more recently hospitals have faced shortages of much-needed medical supplies like crutches, gauze, and medications.
The threats of hackers and data theft grows by the day and even smaller eCommerce sites are not safe from attack. Security should be a top priority for any eCommerce website owner, no matter how big or small their site may be. Fortunately, there are plenty of great security plugins available to help keep your site safe and secure. In this article, we will take a look at 18 of the best plugins for keeping your eCommerce site secure.
In the Ruby programming language, exceptions are a common feature. About 30 different exception subclasses are defined in the Ruby standard library, some of which have their subclasses. Ruby's exception mechanism is quite strong, yet it is frequently misused. This article will go over how to use rescue exceptions in ruby and how to handle them.
