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Using RabbitMQ with Node.js: A Complete Guide

RabbitMQ is a powerful message broker that enables asynchronous communication between different parts of an application.
In this guide, we will explore how to integrate RabbitMQ with Node.js, covering installation, setup, and a working example.
The guide covers the installation of RabbitMQ on different operating systems such as macOS, Ubuntu/Debian, and Windows.
The guide provides a basic example of setting up a producer and consumer in Node.js to send and receive messages through RabbitMQ.

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Dev

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Top 10 High-Paying Tech Jobs in 2025 – Are You Ready?

AI & Machine Learning Engineer: Average Salary - $120K - $200K. Skills Required: Python, R, TensorFlow, PyTorch. Career Path: Learn AI/ML, work on real-world projects, get a job in AI research or automation.
Data Scientist: Average Salary - $110K - $180K. Skills Required: Python, SQL, R. Career Path: Earn a degree or certification in data science, gain hands-on experience, work in finance or healthcare.
Cloud Architect: Average Salary - $130K - $210K. Skills Required: AWS, Azure, Google Cloud. Career Path: Get certified, work on cloud deployment projects, join IT teams in cloud security or DevOps.
Cybersecurity Expert: Average Salary - $100K - $180K. Skills Required: Ethical Hacking, Network Security, Compliance. Career Path: Earn certifications, gain hands-on experience in ethical hacking, work in finance or government.

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Robotsblog

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Creativity in motion: The modular robot Otto from HP Robots

The HP Robots Otto is a versatile, modular robot designed for educational purposes, promoting robotics, 3D printing, electronics, and programming.
Otto's modular design allows students to build, program, and customize it, enhancing creativity and technology understanding.
It supports various programming languages like block-based programming, Python, and C++, enabling students to enhance their coding skills.
Equipped with sensors like ultrasonic and line tracking, Otto offers interactive functionalities for tasks like navigation and line tracing.
Students can 3D print and customize Otto's outer parts, promoting technical understanding and artistic skills.
Otto is suitable for students aged 8 and above, providing all the components needed to build a functional robot.
Programming Otto is done through a web-based platform supporting block-based, Python, and C++ programming environments.
Expansion kits like Emote, Sense, Interact, and Invent offer additional functionalities for creative projects and environmental interaction.
Curricula, project ideas, and materials provided with Otto support effective STEM lessons for both classroom and home use.
HP Robots Otto is praised for fostering technical understanding and creativity, offering a comprehensive platform for students in the world of technology.

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Dev

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The Feynman Technique - Explaining Code Quality to My 10-Year-Old Self

The Feynman Technique, developed by Nobel Prize-winning physicist Richard Feynman, breaks down complex ideas by explaining them in plain language.
Code quality is based on three main pillars: complexity, errors, and readability.
Complexity measures the intricate logic in code, while errors include syntax errors, logical errors, runtime errors, and time limit exceeded issues.
Readability focuses on the ease of understanding by others, which includes factors like naming, formatting, structure, and comments.

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Dev

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How Java Virtual Threads Work?

Virtual Threads are lightweight threads introduced in Java 19 (Preview) and Java 21 (Stable).
Virtual Threads do not map 1:1 to OS Threads and do not replace the original Platform Threads.
Virtual Threads run on top of Platform Threads. The JVM schedules them onto a small number of Platform Threads.
If the Virtual Thread performs a blocking operation, the JVM unmounts it from the Platform Thread, freeing it up for other Virtual Threads.

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Dev

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The Rise of Low-Code/No-Code Platforms in Web Development

Low-code/no-code platforms are revolutionizing web application development by enabling users to create sophisticated apps without extensive coding.
Low-code platforms require minimal coding and offer visual interfaces for drag-and-drop development, while no-code platforms enable non-developers to create apps without programming knowledge.
These platforms accelerate time-to-market by simplifying the development process and reducing the need for extensive coding.
They are cost-effective, democratize web development, empower citizen developers, and facilitate collaboration between developers and non-developers.
Low-code/no-code platforms support rapid prototyping, scalability, integration with third-party services, and offer flexibility for customization.
Popular platforms in this space include Bubble, OutSystems, Webflow, Zapier, and AppGyver, catering to various development needs.
Challenges include limited customization, scalability limitations, and potential vendor lock-in due to proprietary systems.
Overall, low-code/no-code platforms are transforming the web app development landscape, empowering businesses to innovate and launch applications efficiently.
As technology advances, these platforms are expected to become more powerful and integrated, offering a promising future for digital innovation.

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Dev

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😶‍🌫️ Blurry UX Wins? + CSS’s Border Magic

This week's Unicorn Club newsletter covers a variety of topics including CSS puzzles, UX insights, and design innovations.
CSS discussions range from inline background overlaps to the often overlooked border-image tool.
A surprising A/B test result showed that having a blurry background led to 94% more conversions.
The integration of AI in UX design is rapidly changing the role of UX professionals.
CSS methodologies and tools like border-image are explored, hinting at their underutilized potential.
Dev tip: Utilize document.designMode for convenient browser tricks during development.
Switzerland's new passport design is highlighted for its aesthetic appeal and innovative design approach.
The newsletter also features upcoming events, classifieds, and advice for design and development professionals.
Readers are encouraged to subscribe for early access and exclusive content in the Unicorn Club newsletter.
Overall, the newsletter provides a mix of informative content suited for front-end developers and UX/UI designers.

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Dev

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What are top companies really asking in React interviews?

This book provides a roadmap to excel in React.js 19 interviews.
Based on 350+ real-world front-end interviews, it offers relevant technical questions asked by top companies.
The book covers core React concepts, hooks, performance optimization, component design, forms and event handling, styling techniques, routing, error handling, and global state management.
It caters to both beginner and intermediate developers, helping them build a strong foundation or deepen their knowledge.

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Javacodegeeks

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[FREE EBOOKS] Artificial Intelligence for Cybersecurity & Five More Best Selling Titles

Artificial Intelligence for Cybersecurity offers data analytics methods for recognizing patterns, applying to authentication and cyberattack detection, and discussing AI methods' design and implementation for cybersecurity projects.
The ChatGPT Prompts Book focuses on crafting precision prompts and exploring AI writing techniques, guiding users through prompt writing, priming strategies, and practical applications of ChatGPT.
The New Rules of Marketing & PR, 9th Edition, introduces updated strategies using generative AI like ChatGPT to reach buyers directly, offering insights into effective public relations, marketing, and customer communications.
Creating a Business Plan For Dummies guides readers in creating sound business plans with AI tools, covering strategic advantages, financial forecasting, risk evaluation, and smart business modeling.
The Contemporary Leader emphasizes inclusiveness in successful leadership, showcasing strategies for becoming inclusive leaders through respect, value, diversity, team differences recognition, and effective practice abilities.
How to Move Up When the Only Way Is Down explores lessons from AI for overcoming personal or professional challenges, including identifying Local Maximums, building decision-making skills, and applying AI strategies in complex situations.

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Medium

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How to reduce stress and anxiety in Daily life

Stress is a natural, human response to difficult or uncontrollable situations.
Many different situations cause stress, which can vary depending on age.
Understanding the signs of stress and its impact is crucial for proactive management.
Reducing stress and anxiety requires practical strategies, self-care, and seeking support when needed.

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Dev

297

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How to Integrate Audio & Video Calls using WebRTC & Javascript

WebRTC allows real-time, peer-to-peer, media exchange between two devices through a signaling process called signaling.
Signaling involves connecting to a third server to exchange negotiation messages between devices.
Key components to understand include Signaling, SDP, ICE Candidates, STUN, TURN, and Peer Connection.
Signaling using a signal server facilitates connections between devices while maintaining privacy.
SDP format is used for exchanging media metadata between peers.
ICE candidates describe network connections available for communication between peers.
STUN server provides meeting space for devices to exchange contact information.
TURN server relays communication between peers, important for connections behind NAT or firewall.
RTCPeerConnection interface manages WebRTC connections between local and remote peers.
The integration workflow involves exchanging session descriptions and ICE candidates to establish a connection.

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Dev

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Common Security Vulnerabilities in Angular Applications and How to Fix Them

This article discusses common security vulnerabilities in Angular applications along with solutions to fix them.
Cross-Site Scripting (XSS) is a major concern where malicious scripts can execute in the browser.
Angular's built-in mechanisms like sanitization help prevent XSS by cleaning HTML and safeguarding values.
Avoid using bypassSecurityTrustHtml and direct DOM manipulation to prevent vulnerabilities in Angular applications.
Clickjacking, tricking users to interact with unexpected elements, can be prevented by setting X-Frame-Options and Content-Security-Policy headers.
Cross-Site Request Forgery (CSRF) attacks can be mitigated by using CSRF tokens and validating requests to prevent unauthorized changes.
DOM Clobbering involves overriding JavaScript variables using manipulated DOM properties, which can be prevented using Angular Reactive Forms.
By following recommended practices and understanding these vulnerabilities, developers can strengthen the security of their Angular applications.

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Medium

401

15 New Technology Trends for 2025

The technology trends for 2025 include artificial intelligence, blockchain, augmented reality, and cybersecurity.
AI and machine learning services are making computers smarter and more efficient, impacting various industries.
Edge computing brings processing closer to where it's needed, enhancing speed and security.
5G technology is revolutionizing connectivity with its speed and reliability across different sectors.
Blockchain is ensuring secure record-keeping beyond cryptocurrencies, influencing industries like healthcare and finance.
Cybersecurity advancements include AI-based threat detection and strict access protocols for better protection.
Augmented Reality (AR) and Virtual Reality (VR) are improving user experiences by blending real-world and digital elements.
Internet of Things (IoT) is enhancing connectivity among devices for smoother operations in various fields.
Robotic Process Automation (RPA) streamlines tasks traditionally done by humans, improving efficiency.
Serverless computing simplifies software development by managing server-related tasks, enabling flexibility and cost savings.

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Dev

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Modernizing Legacy Systems with Microservices Architecture

Legacy systems pose challenges due to outdated technologies and architectures, hindering agility and performance.
Microservices architecture offers a solution by breaking applications into independent services for scalability and efficiency.
Legacy systems are relied upon for crucial functions, leading to high maintenance costs and integration challenges.
Microservices provide autonomy, scalability, and flexibility, catering to modern business demands.
Modernizing with microservices improves operational efficiency, scalability, and customer experience.
Assessing legacy systems involves mapping dependencies and identifying limitations for effective modernization.
Migration approaches include big bang or incremental methods, with focus on defining service boundaries.
Choosing the right technology stack, implementing security measures, and managing data consistency are vital in the process.
API integration plays a crucial role in modernization, requiring secure communication and compliance with data protection laws.
Monitoring tools, versioning, and documentation are essential for efficient API management and interoperability in microservices architecture.

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Dev

342

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Google Introduces New Gemini-Based Text Vectorization Model

Google has introduced a new text vectorization model called Gemini Embedding.
Gemini Embedding is an experimental tool that converts text data into numerical representations.
The model inherits Gemini's understanding of language and contextual nuances and works well with texts from various fields.
Gemini Embedding shows higher performance results compared to Google's previous text vectorization model.

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