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Hey everyone! If you’re in the tech space, chances are you’ve come across terms like Continuous Integration (CI), Continuous Delivery (CD), and Continuous Deployment. You’ve probably also heard about automation pipelines, staging environments, pro...
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AWS CloudFormation and Terraform — not sure which to choose? This article will help you reach an intelligent decision. Cloud computing has revolutionized the world of DevOps. It is not just a buzzword anymore; it is here to change the way we develop and maintain our applications. While there are countless reasons why you should use cloud computing for all scales of businesses, there is a slight limitation: You have to...
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Database replication is a fundamental strategy for handling the demands of distributed systems. Replicating data is a topic that ranges back to the 1970s. To replicate means to keep a copy of the same data on multiple nodes. Multi-leader replication is particularly useful for a range of use cases. This article starts with a sample of use cases for multi-leader replication. I will then highlight the pros and cons of...
Arduino is an open-source electronics platform that allows you to control the physical world through programming. With Arduino, you can read sensor data, control motors, light LEDs, and much more. It's a great way to learn electronics and programming...
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In the field of server-based request replay, there are generally two main approaches: offline replay and real-time online replication. Researchers often focus on offline replay, with little exploration in real-time replication. Based on feedback from SIGCOMM reviewers, there seems to be minimal research in real-time request replication. For real-time request replication, there are generally two types:
Recently, I attended an open-source summit and was struck by an unexpected revelation. During a panel discussion about community contributions, a question was posed to the audience: “How many of you have contributed to an open-source project before?”...
As a developer, there are many tools, languages, frameworks and open-source packages you have to learn in order to make your job easier and straightforward (though the journey isn’t a straightforward one but you will get there). Some of these tools, ...
Playwright is a popular open-source test automation framework created by Microsoft. It enables developers and test automation engineers to automate web applications on different browsers and platforms. It supports major programming languages, including JavaScript, TypeScript, Java, C#, and Python. It also uses API Automation Testing, which is seen as a major benefit over other web automation frameworks. In this...
I recently worked on an exciting project that involved creating a website capable of switching between languages to appeal to a broader audience. This made me understand the concept of "localization" better, which typically entails adapting content t...
Nomad, a flexible and lightweight orchestrator developed by HashiCorp, is an excellent tool for managing containerized applications like Docker. This guide walks you through running Docker containers with Nomad, designed specifically for beginners. Whether you're deploying a simple web server or experimenting with microservices, this guide will provide you with the foundation to get started. What Is Nomad? Nomad is a...
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In microservice architectures, resilient communication between services is vital. Feign, a declarative web service client, is a popular choice for simplifying HTTP communication. But there is no out-of-the-box retry mechanism provided, which can be plugged seamlessly with the Feign client. This is a good-to-have feature, as adding retry logic to Feign clients enhances fault tolerance. This article demonstrates how to...
Programs are meant to be read by humans and only incidentally for computers to execute. - Donald Knuth Have you ever heard that programmers spend more time reading code than writing it? Well, I’ve found that this is often true: as a developer, you’l...
Naming is one of the most important and challenging parts of writing clean, maintainable, and scalable code. A well-thought-out variable name, for example, can act as self-documenting code, saving time and effort in understanding the logic. But poorl...