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Dev
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🚀 Yo devs, wanna build collab apps that SLAP? Meet Jazz: the Real-Time Collab Framework That’s Straight Fire 🔥
- Jazz by Garden Co is a real-time collaboration framework designed to enhance app development with features like instant data sync across devices, offline capability, and end-to-end encryption.
- Key features include real-time synchronization, offline data preservation, collaborative editing, end-to-end encryption, React & React Native compatibility with hooks, granular permissions, and flexible authentication options.
- Jazz offers example apps such as a chat app, todo list, music player, password manager, and pet manager to showcase its versatility for different types of projects.
- Utilizing CoJSON technology, WebSocket transport, and storage adapters, Jazz ensures smooth data handling, no merge conflicts, and support for various platforms like browser, mobile, and Node.
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Dev
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🚀 Starting My Dev Journey with Node.js! 🌐
- Today marks Day 1 of a developer's journey with Node.js, highlighting its power for JavaScript developers.
- Node.js offers non-blocking I/O, a vast NPM ecosystem, event-driven architecture, and enables seamless full-stack development using JavaScript.
- It is ideal for building applications like REST APIs, real-time chat apps, and microservices, promoting efficiency and speed in development.
- The developer plans to explore Express.js next and welcomes insights, tips, and projects from the Node.js community.
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Dev
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When “Leadership” Becomes Abuse in Disguise
- Managers sabotaging production, creating chaos, and manipulating deadlines is not leadership but abuse.
- Building trust and resilience doesn't involve throwing teams into trauma scenarios or making them suffer.
- Manufacturing stress and using people as stress test dummies leads to burnout and mental exhaustion.
- Toxic 'leadership' needs to be stopped and held accountable for the well-being of teams.
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Dev
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Your Computer Sucks? Blame Your Weak Will (and Maybe Hanish)
- The frustration with slow technology stems from our innate desire for efficiency and dominance in the digital world.
- The concept of 'will to power' suggests a primal urge to excel, overcome challenges, and achieve superiority, similar to pushing oneself in the gym.
- Programmers strive to create fast and efficient systems that outperform, akin to tech ninjas seeking peak performance in today's AI-driven environment.
- The pursuit of speed and power in technology is ingrained in human nature, leading to a constant quest for improvement and performance.
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Dev
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Why Learn Java Full Stack as an International Student in North America
- Mastering Java full stack is effective for international students pursuing tech careers in North America due to its stability, scalability, and robust ecosystem.
- Learning Java full stack equips students with backend development skills and understanding of modern web application architecture.
- International students have a smooth transition to advanced frameworks like Spring Boot and gain experience in building RESTful APIs and deploying applications using cloud services.
- Building complete portfolio projects with full Java stack experience helps international students stand out in job interviews and provides them with versatile opportunities in the job market.
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Dev
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When to use a Class Component? When to use a Function Component?
- Before React 16.8, class components were recommended for using lifecycle methods.
- After React 16.8, functional components with hooks became the new best practice.
- Class components were used for componentDidMount, componentDidUpdate, and componentWillUnmount.
- Functional components with useState() and useEffect() can now achieve the same as class components, leading to their widespread adoption.
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Infoq
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Article: Mocking gRPC in Spring Boot Microservice Integration Tests with WireMock
- Mocking gRPC services with tools like WireMock in Spring Boot integration tests helps validate code without relying on unreliable sandboxes or facing version mismatches and complex test data setup requirements.
- WireMock's gRPC extension supports HTTP stubbing patterns for gRPC-based integration points, while its Spring Boot integration allows dynamic port allocation and automatic configuration injection, enhancing test infrastructure scalability.
- API mocking simplifies testing, but integration testing remains crucial to uncover complex system failure modes that mock testing may not reveal.
- Although basic unidirectional streaming methods can be mocked, additional work is needed for WireMock to support advanced testing patterns in the gRPC context.
- When dealing with multiple external services, end-to-end testing can be slow and complex, making mock-based testing a faster and deterministic alternative.
- The article discusses the benefits of mocking gRPC services and using familiar JVM tools like Spring Boot, gRPC, and WireMock together for testing.
- Tools like WireMock address the challenge of setting up mock services by supporting dynamic port allocation and gRPC extensions, enhancing test parallelization and scalability.
- Mocking gRPC services over the wire allows for executing gRPC integration code during tests, avoiding reliance on external sandboxes and promoting automated discovery of failure modes.
- WireMock's Spring Boot integration simplifies configuration complexity by providing dynamic port allocation and injection of values, making test infrastructure more maintainable.
- The article provides a detailed guide on setting up a Spring Boot app to call a gRPC service using WireMock for mocking, emphasizing the importance of integration testing alongside mocking.
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Medium
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Using OOP to Develop Operators for Reactive State Engine
- OOP is used to implement stateful operators in DolphinDB's reactive state engine, showcasing practical value.
- DolphinDB supports OOP from version 3.00.0, allowing its application in various scenarios.
- The tutorial focuses on developing operators for DolphinDB's reactive state engine using OOP.
- OOP-based UDF operators in DolphinDB aim to improve code readability and structure compared to using built-in operators directly.
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Javacodegeeks
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Objenesis Hello World Example
- Objenesis is a Java library that allows for object instantiation without invoking constructors, useful in advanced scenarios like proxy creation, mocking, and serialization frameworks.
- To add Objenesis to your project, include the dependency 'org.objenesis:objenesis:3.4' in your pom.xml for Maven projects.
- A basic usage example demonstrates instantiating a class without invoking its constructor using ObjenesisStd in Java.
- Traditional instantiation in Java using the new keyword or reflection always triggers the constructor, unlike Objenesis.
- Objenesis provides strategies like ObjenesisStd and ObjenesisSerializer for different instantiation behaviors.
- ObjenesisStd picks the best strategy for the JVM, while ObjenesisSerializer simulates behavior similar to Java serialization.
- ObjenesisHelper simplifies object instantiation without needing to create an Objenesis instance directly.
- In conclusion, Objenesis' unique capabilities make it a valuable tool for scenarios like testing, mocking, and serialization in Java.
- Objenesis demonstrates how to create instances without invoking constructors, a critical capability in advanced use cases.
- The library provides strategies that offer flexibility in object instantiation, such as simulating serialization behavior.
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Medium
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Where AI Shows Up in Your Everyday Life (Even When You Don’t Notice)
- Artificial Intelligence is reshaping industries, economies, labor, and the very concept of humanity, marking a significant moment in history like the discovery of fire or the internet.
- AI, though a recent buzzword, has roots dating back nearly a century, starting with Alan Turing's question on machine thinking in the 1950s, leading to advancements from symbolic logic systems to deep learning today.
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Dev
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How to Use Claude 4 Opus & Sonnet with Cursor & Windsurf
- Developers can now enjoy improved code fluency with less hallucination using Claude 4 by Anthropic.
- Claude 4 Opus and Sonnet offer reliable, context-aware support for working on complex logic or debugging.
- Apidog provides an efficient way to test AI APIs like Claude or GPT without the need for code or tools like Postman.
- Cursor and Windsurf are tools that allow seamless integration of Claude into the development flow for efficient coding.
- Cursor provides AI-augmented features like full context reasoning and refactoring within editors such as VS Code.
- Windsurf AI Editor incorporates Claude 4 Opus and Sonnet for real-time suggestions, file exploration, and multi-turn conversations.
- Windsurf focuses on AI-native development, enabling features like real-time contextual suggestions and refactoring backed by Claude 4 models.
- Best practices include chunking refactoring tasks, being specific in prompts, and using Opus for critical tasks like data processing or regex generation.
- Usage scenarios for Cursor vs. Windsurf depend on the need for GUI integration or terminal simplicity.
- Pairing Claude workflows with version control tools ensures thorough review of output for code quality.
- By mastering tools like Cursor, Windsurf, and the Opus and Sonnet models, developers can enhance efficiency and code quality in their projects.
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Dev
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Introducing Lynx Proxy: A High-Performance, Modern Proxy Tool Built with Rust 🚀
- Lynx Proxy is an open-source proxy tool written in Rust, designed for efficient HTTP/HTTPS and WebSocket traffic management.
- Key features include high performance, support for HTTP/HTTPS & WebSocket, modern web UI with dark mode, easy installation with one-command script, and open-source nature.
- To install Lynx Proxy, use the one-command install script and start the service with 'lynx-cli'.
- The project is under active development and welcomes contributions. Check out the GitHub repository for more details.
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Dev
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Handling WebSockets in React Native with Socket.IO
- Socket.IO is a library that facilitates low-latency, bidirectional communication between client and server in React Native.
- Setting up a project involves creating a React Native project and installing socket.io-client.
- A Socket Context is established to make the socket instance globally accessible in React.
- Key features include automatic connection management and a global socket instance.
- Handling acknowledgements ensures reliable event delivery with retries and timeouts.
- Integration into the app involves setting up a SocketProvider and implementing a ChatScreen component.
- The setup ensures reliable event delivery, reconnection management, and global access within the application.
- This robust approach allows React Native apps to handle WebSocket communication effectively even in unreliable network conditions.
- Github link for reference: https://github.com/dubbyding/react-native-socket
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Dev
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AI in Financial Services: Enhancing Risk Assessment and Fraud Detection
- The financial services industry relies on accurate risk assessment and fraud detection, where Artificial Intelligence (AI) is revolutionizing processes with advanced analytics and machine learning.
- AI enhances precision, speed, and efficiency in predicting credit risks, identifying fraudulent transactions, and managing regulatory compliance in financial institutions.
- By processing vast datasets, AI enables proactive risk assessment, pattern recognition for fraud detection, and automation of complex processes.
- AI applications in financial services include credit risk assessment, market risk analysis, fraud detection, anti-money laundering, and insurance underwriting.
- Benefits of AI in risk and fraud management include improved accuracy, cost efficiency, real-time responses, and regulatory compliance.
- Challenges in AI adoption in financial services involve data quality, regulatory compliance, biased models, and implementation costs.
- Strategies for effective AI integration include robust data governance, explainable AI tools, continuous monitoring, employee training, and collaboration with regulators.
- AI platforms like xAI’s Grok 3 enhance risk assessment and fraud detection by analyzing complex datasets and delivering real-time, interpretable insights.
- In conclusion, AI is transforming financial services by empowering institutions to mitigate risks, reduce costs, and protect customers through accurate and efficient risk assessment and fraud detection.
- Tools like Grok 3 on xAI’s platform provide accessible AI solutions for precise and compliant risk management in the financial industry.
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Tricky Enough
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Understanding React Router Hooks: A Guide for Development
- React Router Hooks provide a modern and flexible way to manage navigation and routing in React apps.
- Hooks like useHistory, useLocation, useParams, and useRouteMatch replace older methods for routing tasks.
- The useHistory hook allows programmatically navigating and altering the app's location.
- useLocation grants access to the current location object with URL information like pathname and search.
- useParams enables extraction of dynamic parameters from a route's path.
- useRouteMatch helps in matching the current location to a specific route.
- Benefits include simplified code, better integration with functional components, improved flexibility, and better performance.
- React Router Hooks enhance code readability, conciseness, and overall maintainability of React applications.
- They allow for full integration with React Router within functional components without the need for class components.
- Using hooks improves navigation control, location state management, and route matching in a more adaptable and reusable manner.
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