How Does React's useContext Really Work?

In a recent article, the author shares insights from their frontend interview experiences, highlighting a shift towards deeper technical questions that go beyond basic coding. They emphasize the importance of understanding core concepts like the event loop and React Fiber, which are crucial for building efficient applications. This approach not only prepares candidates for interviews but also enhances their overall knowledge and skills in frontend development, making it a valuable read for aspiring developers.

In 2025, Next.js has solidified its position as the leading framework for React applications, surpassing Create React App. This framework, developed by Vercel, offers a range of features like server-side rendering and static site generation, making it easier for developers to create high-performance web applications. Its automatic optimizations and file-based routing streamline the development process, allowing teams to focus on building great user experiences. As the industry standard, adopting Next.js is essential for developers looking to stay competitive.

This article introduces a new sorting feature for your React packing list app, enhancing its usability by allowing users to reorder items based on input order, description, or packed status. This improvement not only makes the app smarter but also helps users manage their packing lists more efficiently, making the packing process smoother and more enjoyable.

A developer has launched a customizable Ratings & Reviews dashboard built with React and MUI, aimed at giving developers and small brands more control over customer feedback. Unlike traditional review systems that are often restrictive and difficult to integrate, this new tool allows for seamless incorporation into product pages and SaaS dashboards. This innovation is significant as it empowers businesses to tailor their feedback collection and display, enhancing user experience and engagement.

Jeff Su, during his nine years at Google, developed a productivity system called CORE, which has been taught to over 6,600 Googlers. This simple yet effective workflow helps individuals capture ideas, organize tasks effortlessly, review their workload, and engage in focused work sessions. The significance of this system lies in its accessibility; anyone can learn it in just two weeks, making it a valuable tool for enhancing productivity in both personal and professional settings.

Today, I had a breakthrough while learning about derived state in React while developing my grocery app, Listo. Derived state is a concept where you calculate information from your existing state rather than storing it directly. This understanding is crucial for building efficient applications, as it helps manage state more effectively and reduces redundancy. My experience with Listo has not only clarified this concept for me but also enhanced my overall development skills.

As we approach 2025, the landscape of frontend testing is evolving, moving away from mere box-ticking to a more meaningful approach. This article emphasizes the importance of React component testing, highlighting that the real goal should be building confidence in your components rather than just aiming for 100% test coverage. By focusing on smarter, cleaner testing methods, developers can ensure their applications are robust and reliable, which is crucial in today's fast-paced tech environment.

In a rapidly evolving JavaScript ecosystem, mastering frameworks can be daunting. However, a new three-step system promises to streamline the learning process, helping developers quickly grasp frameworks like React, Vue, and Angular. This approach not only saves time but also enhances retention, making it easier for developers to keep up with the latest technologies. As the demand for skilled developers continues to rise, this method could be a game-changer for those looking to stay competitive in the field.

The article discusses the evaluation of RAGs (Retrieval-Augmented Generation) on graph and SQL databases, highlighting the differences and potential applications of each approach. Understanding these distinctions is crucial for developers and data scientists as they choose the right database technology for their projects, ensuring optimal performance and efficiency.

In an exciting development for urban living, robots are increasingly being deployed in US cities to clean parks, fight fires, and mow lawns. This innovation not only enhances the efficiency of municipal services but also addresses labor shortages in these sectors. Experts like Peter Stone from the University of Texas highlight that while budget constraints have slowed adoption, the potential benefits for communities are significant. As cities embrace these technologies, we can expect cleaner environments and improved public safety, making our urban spaces more enjoyable for everyone.

Rajni, an AI developer, shares her journey of building a ChatGPT-like AI using free tools and open-source models. After a challenging experience trying to create a love poem in Hindi, she learned valuable lessons that she now imparts in a practical guide. This article is significant as it empowers aspiring developers to create their own AI chatbots without needing expensive resources, making AI more accessible to everyone.

This article provides a fun and straightforward guide on how to create emoticons using your keyboard, perfect for anyone looking to express themselves quickly in digital conversations. It emphasizes the simplicity of typing these symbols, making it accessible for all users, regardless of their tech-savviness. Understanding how to use emoticons can enhance online communication, adding a personal touch to messages.

This article provides a straightforward guide on how to install the Gemini CLI using Node.js, which is essential for developers looking to leverage Google's generative AI tools. By following the steps outlined, users can easily set up the CLI and start utilizing its features, making it a valuable resource for enhancing productivity and accessing advanced AI capabilities.

A new member has joined the DEV community, excited to share their journey and insights. With experience in JavaScript, Python, and TypeScript, they are eager to contribute to discussions and explore AI tools. This is a great addition to the community, as fresh perspectives can inspire innovation and collaboration among developers.