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Article: InfoQ Java Trends Report - December 2024

Java 17 is the most commonly used JDK (35%) followed by Java 11 (33%) and Java 8 (29%). There has been gradual adoption of Java 21 but it is still low at 1.4%.
The AI hype has calmed down but remains a hot topic. The emergence of tools, libraries, and frameworks is enabling Java to interact with AI and promote developer productivity.
The non-profit organisation, Commonhaus Foundation, provides fiscal support and succession planning to self-governing open-source projects, and it has recently been introduced to the Java community.
Spring Boot and Quarkus are becoming the go-to frameworks for cloud-native application development. Reducing cognitive load and speeding up delivery with Internal Developer Platforms (IDPs) such as Backstage and Red Hat Developer Hub would also make developers’ lives easier.
Java 17 has become the most popular Java Development Kit (JDK) predominantly due to its six-month release cycle, while Java maintains strong backward compatibility and bug fixes.
Jakarta EE has gotten wind in its sails and is delivering releases in a fairly predictable cadence. There is a huge anticipation for Jakarta EE 11 due to numerous efforts to adopt JDK 21.
WebAssembly is finally gaining traction in the Java space catching up with ecosystems like Go and Rust, enabling fast, secure, and polyglot embedding, significantly reducing the need for complete rewrites of existing libraries and tools.
Virtual threads and pattern matching in JDK 21 have gained significant attention; the JEP on Structured Concurrency in JDK 21 is highly anticipated.
OpenTelemetry Observability technology is strengthening its position as a leading Observability technology for Java, whilst the introduction of virtual threads provides an exciting advancement in Java concurrent programming.
Java Community shows growing cooperation to create better and more efficient shared standards and open-source specifications in 2024.

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Medium

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Setting Up Python Virtual Environments (venv) on Kali Linux.

A Python virtual environment is an isolated workspace where you can install Python packages without affecting the global Python installation.
To create a virtual environment, verify the presence of 'pip' and 'venv' module.
Activate the virtual environment to start using it and install required Python packages.
To manage the virtual environment, you can delete it, reactivate it later, freeze dependencies, and install from requirements file.

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Javacodegeeks

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Tear Down HSQLDB Database After Tests

Testing is a critical aspect of software development, and maintaining a clean test environment ensures accurate and reliable results.
To set up the test environment, include the necessary dependencies in your pom.xml, such as spring-boot-starter-data-jpa, spring-boot-starter-test, and hsqldb.
This article explores how to effectively manage database states in tests, focusing on how to set up and tear down Java HSQLDB databases.
The article explores the following solutions: Using spring.jpa.hibernate.ddl-auto and @DirtiesContext to reload the application context. Using @Sql annotation to reset the database state after every test with custom SQL scripts.
The spring.jpa.hibernate.ddl-auto=create-drop ensures the database schema is recreated for each test suite.
This approach uses the hibernate.hbm2ddl.auto property to recreate the schema on application startup and the @DirtiesContext annotation to reload the Spring context after each test.
The @Sql annotation provides a way to execute custom SQL scripts before or after each test.
When the application is executed, the test suite runs all the defined test cases, ensuring the database behaves as expected.
From leveraging hibernate.hbm2ddl.auto with @DirtiesContext for schema recreation to employing @Sql annotations with custom scripts for flexible cleanup, each method offers unique benefits tailored to specific use cases.
This article covered how to tear down an HSQLDB database in Java.

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PlanetPython

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EuroPython: EuroPython 2025 is Staying in Prague �� - Join as a Contributor!

EuroPython 2025 is staying in Prague.
Save the Date: 14th - 20th July 2025.
The event will include tutorials, workshops, main conference talks, and community sprints.
Volunteers are welcome to join, and sponsorship opportunities are available.

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Nordicapis

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How API Sprawl Negatively Affects Business

API sprawl is when an organization doesn’t have a clear vision for how to implement their APIs, leading to confusion about who’s responsible for different APIs or even what APIs exist in the first place.
Businesses are deploying a record number of internal APIs. According to Rapid’s 2022 State of API Report, organizations with 10,000 or more employees have an average of over 250 internal APIs.
API sprawl poses some specific risks for business owners, though, which can have serious repercussions for anyone looking to generate income with a service that uses APIs.
API sprawl causes APIs to spiral out of control quickly, creating new endpoints faster than they can be tracked. This can cause everything from broken or underperforming services to wasting time on unnecessary work to all manner of security risks.
Data breaches have been exploding over the last 10 years. A staggering 66% of consumers won’t trust a company once they’ve experienced a data breach. Once a customer’s data has been exposed by your business, you may never get them back.
According to recent research from McKinsey & Co., a product that’s six months late to market can earn 33% less profits over five years.
API sprawl can result in an uneven user experience, for example, if an incorrect API works its way into an API catalog. If they’re able to see the backend of a product, they may end up encountering an API without any documentation, which could end up leaving an unfavorable impression of your business.
The good news is that API sprawl has become such a prevalent concern there’s a wide range of excellent wisdom and best practices you can follow to keep it at bay.
Employing an API catalog is one way, as it puts all of your APIs in one central location. This makes it much less likely for an API to get lost in the shuffle.
Following an API-first design is another, as your API will be planned before it’s built. This all but eliminates the possibility of unknown endpoints that could be an API security risk.

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Medium

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Seed Airdrops: Revolutionizing Early-Stage Crypto Projects

Seed airdrops are part of an early-stage strategy for a project to create momentum and attract users.
Seed airdrops distribute tokens at no cost to reward early supporters and encourage participation in the ecosystem.
Recipients of seed airdrops are typically participants in similar projects, holders of certain cryptocurrencies, or those who complete simple tasks.
Advantages of seed airdrops include community building and increased visibility for the project.

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Dev

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Swift: A Journey into Open Source Excellence

Swift underwent a significant transformation in 2015, embracing the open-source model.
Swift is now a community-driven language shaped by proposals and contributions.
The open-source nature of Swift enables cross-platform support and customization.
Resources on Swift.org empower developers to collaborate and contribute.

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Medium

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Prompt Engineering Techniques — Part 3

Prompt chaining allows for the execution of multiple prompts in a structured manner.
It simplifies the functionality of the LLM and provides a proper response.
Prompt chaining is useful when one prompt depends on the output of another prompt.
By chaining prompts together, they can be treated as a single execution chain.

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Medium

410

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Crypto Quantum Leap: Your Gateway to Smart Crypto Investments

Crypto Quantum Leap is a comprehensive training program tailored for individuals eager to capitalize on cryptocurrency’s immense potential.
Created by experts with years of experience in the crypto market, this product demystifies the complexities of crypto investments and provides step-by-step guidance to achieve financial growth.
Unlike generic courses that offer surface-level insights, Crypto Quantum Leap dives deep into the nuances of crypto investing.
The cryptocurrency market offers unparalleled opportunities for growth, but success requires knowledge, strategy, and vigilance.

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Medium

242

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Building a Scroll Management System from Scratch in React

The Scroll component is a scroll management system built from scratch in React.
It uses ScrollService to handle scroll behavior, set the scrollable element, and manage scroll events.
The Scroll.Item component tracks the scroll state of specific elements within a container and provides updates on scroll position, direction, and progress.
With the useScrollClient Hook, developers can easily update the scroll position and trigger scroll event notifications.

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PlanetPython

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Python Software Foundation: Announcing Python Software Foundation Fellow Members for Q3 2024! ��

The Python Software Foundation (PSF) has announced the latest batch of PSF Fellows for Q3 2024.
The new PSF Fellows include Artur Czepiel, Jay Miller, Kojo Idrissa, and Trey Hunner.
These members contribute significantly to the Python community by their leadership, support for Python libraries, creation of educational material, organizing events, and mentoring.
Nominations for PSF Fellows for Quarter 1 of 2025 are currently open.

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Javacodegeeks

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Exploring the Power of Type Systems in PHP Development

Leveraging type systems has become an essential practice for writing cleaner, more maintainable, and error-free code in modern PHP development.
A type system helps in defining the kinds of values that can be assigned to variables, passed to functions, or returned from methods, improving code quality and reducing bugs.
PHP 7 introduced type declarations, allowing developers to define the expected types of function arguments and return values and marking a significant shift from PHP’s previous dynamic typing approach.
The mixed type, introduced in PHP 8.0, indicates that a parameter can accept any type, making it particularly useful when dealing with values that can vary in type, such as user input or data from external sources.
By using type declarations, developers can create more robust, maintainable, and error-free applications, improving code readability and offering better IDE support.
PHP’s type system features like union types, void return type, static return type, etc., have transformed how developers write and maintain code.
Staying up-to-date with the latest type features can greatly improve your development process and ensure that you are writing modern, high-quality PHP code.
PHP’s type system helps ensure data consistency across an application, as shown in the real-life example of managing user accounts.

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Dev

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JavaScript and Animations: Choosing Between CSS and JavaScript for Stunning Effects

Animations play a vital role in enhancing the user experience of modern web applications.
Developers can choose between CSS and JavaScript for implementing animations.
CSS animations are declarative, allowing you to define animation behaviors directly in the stylesheets.
JavaScript animations use imperative code to control and manipulate styles or properties dynamically.

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Dev

321

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Java App Maintenance: How to Ensure Longevity and Performance

Application maintenance includes tasks like checking how well the app is performing, updating the libraries and technologies it uses, and managing the app’s overall lifecycle.
Outsourcing is a popular choice for app maintenance because it takes the technical burden off your shoulders, specialized companies take care of updates, fix any issues, and handle security.
Java application maintenance involves regular bug fixing, security updates, compatibility updates, performance optimization, and more.
Various types of Java maintenance include Perfective maintenance, Adaptive maintenance, Emergency maintenance, Corrective maintenance, Compliance maintenance, and Security maintenance.
Proactive maintenance is key, regular updates and continuous improvements not only make the app better but also help to stay competitive and achieve long-term success in the market.
It is essential to have a system that logs the changes being made to ensure smooth updates moving forward.
Perform security audits time-to-time and stay updated on the latest innovations and security enhancements.
In-house development teams provide flexibility and control, but may not always get things done quickly.
Development agencies offer professional maintenance services and expertise that can be especially helpful for certain aspects of the app.
Partnering with development agencies ensures app stays secure and up to date without having to sweat the details.

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Dev

432

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JavaScript and Media Queries: Building Responsive and Dynamic Web Applications

Media queries are a powerful CSS feature used to apply styles based on the characteristics of the user's device.
JavaScript enhances the utility of media queries by enabling dynamic responses to changes in these conditions.
The Window.matchMedia() method allows testing and responding to media queries programmatically.
Combining JavaScript and media queries can lead to highly dynamic and responsive designs.

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