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Understanding Callbacks in Java: A Practical Approach In Java, a callback operation refers to a function that is passed as an argument to another function and is executed once a specific task is completed. Callbacks are a fundamental part of programming, enabling a way for a function to call another function, thereby creating a modular and flexible code structure. Callbacks can be categorized as synchronous or asynchronous, depending on when they are executed in relation to the caller function. Synchronous callbacks are executed immediately after the preceding action completes, while asynchronous callbacks can be executed at a later time, allowing…

Sacha Greif is well-known for his pivotal role in creating the State of JavaScript, State of CSS, and State of GraphQL surveys, which have become vital annual events for the front-end developer community. Recently, I had the opportunity to chat with Sacha about the insights he’s gained from running these surveys, the reusable architecture he developed for them, and his perspective on emerging technologies and trends in front-end development. These surveys not only provide valuable insights into the evolving landscape of web technologies but also foster a sense of community among developers. In our conversation, I expressed my gratitude for…

Deno 1.31 has arrived, introducing a significant update that includes support for package.json, enhancing the runtime’s compatibility with existing Node.js projects. This new feature represents a crucial step for developers looking to transition from Node.js to Deno without having to rewrite their entire project configuration. By automatically detecting package.json files, Deno can now install and resolve dependencies specified in these files, streamlining the process and allowing developers to work with familiar structures as they migrate their applications. One of the highlights of this release is the ability to run project-specific scripts defined in the scripts section of package.json using the…

Python’s versatility and ease of use have made it one of the most popular programming languages, widely adopted in diverse fields such as web development, data analysis, and artificial intelligence. Its user-friendly syntax and rich ecosystem of libraries allow developers to quickly implement solutions to complex problems. In fact, Python has overtaken established languages like Java and C in popularity, a testament to its growing influence in the programming world. However, despite its impressive rise, Python grapples with a significant challenge that could hinder its future development: the Global Interpreter Lock, or GIL. The GIL is a mutex that protects…

Bun.js is a powerful, all-in-one JavaScript toolkit that combines a runtime, package manager, and build tool into a single, high-performance solution. Initially developed as a solo project by Jarred Sumner, Bun has rapidly evolved into a competitive alternative to traditional JavaScript environments. Designed for server-side development, Bun aims to simplify and accelerate JavaScript applications, making it easier for developers to build, manage, and deploy their projects. With its innovative architecture and ambitious goals, Bun presents itself as an efficient, modern option for developers looking for a streamlined JavaScript experience. One of Bun’s key differentiators from other JavaScript environments, such as…

Minimal APIs in ASP.NET Core represent a streamlined approach to building web APIs with fewer files and dependencies, allowing developers to create fully functional REST endpoints with minimal coding and configuration. This lightweight framework is especially advantageous for those who prioritize simplicity and efficiency in their application development process. With the release of ASP.NET Core 7, a notable enhancement is the support for parameter binding in minimal APIs, which simplifies how data is passed to endpoints, making the development experience even more intuitive. Parameter binding in minimal APIs allows developers to map incoming request data directly to method parameters, reducing…

Programming languages each bring unique strengths to the table. Python, for example, is celebrated for its readability and ease of use, making it an excellent choice for quick development and data analysis. However, its performance can sometimes fall short for tasks that require high-speed computation. Rust, on the other hand, provides low-level control, memory safety, and impressive performance, making it ideal for system-level programming. While Rust is powerful, it can also be more challenging to learn and apply than Python. PyO3, an open-source project, bridges this gap by enabling developers to write Python extensions in Rust, combining Python’s simplicity with…

Oracle’s shift to a new Java subscription licensing model could significantly increase costs for both existing and prospective customers, as highlighted in a recent report by Gartner. This shift, which came into effect on January 23, introduces the Java SE Universal subscription, a model that changes the pricing structure from a traditional user-plus and processor-based approach to a per-employee metric. The new model has raised concerns within the Java community, as organizations are now faced with an entirely different cost calculation that may considerably impact their budgets. Under the previous model, Oracle’s licensing was based on a “named user plus”…

GitHub Copilot, the AI-powered coding assistant that has sparked debate over its role in software development, recently received significant updates aimed at improving code quality and security. This tool, which leverages the OpenAI Codex model, assists developers by generating code snippets, helping with repetitive tasks, and offering suggestions. With the latest enhancements, GitHub Copilot is not only faster but also incorporates new algorithms designed to reduce common coding vulnerabilities, a feature that could address one of the primary concerns associated with AI-generated code. The updates, introduced on February 14, include an upgrade to the Codex model itself, enabling Copilot to…

As enterprise IT continues to evolve, many organizations still rely on older hardware and software for a variety of reasons. Regulatory requirements often mandate that data be preserved for extended periods, sometimes spanning decades. Additionally, legacy systems might contain reliable and extensively supported code that remains integral to core operations. These systems, despite their age, frequently remain dependable and irreplaceable, creating a need to bridge the gap between older infrastructure and modern applications on newer platforms. One enduring platform in this landscape is the mainframe, particularly within sectors like government and finance. These mainframes support substantial volumes of critical data…