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A Deep Dive into JavaScript Classes: Class Inheritance

Inheritance allows passing down characteristics from a parent class to a child class for code reusability.
JavaScript uses 'extends' keyword to create a child class based on an existing parent class.
Child classes inherit properties and methods from parent classes through the prototype chain.
The 'super' keyword is used to access the parent class's constructor and methods in the child class.

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Dev

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Cooking with TypeScript enums

TypeScript enums allow the usage of string values as well.
Pros of enums: They do not produce excessive JavaScript code after compilation, they are reusable and can be used to create related data structures.
Cons of enums: Non-obviousness of usage in some cases, if not handled correctly.
Overall, TypeScript enums can be a useful and convenient feature when understood and used correctly.

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Dev

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🚀 Interactive Crypto Dashboard - Real-time Data Visualization with React, Redux, and Vite

Interactive Crypto Dashboard built using React (Vite), Redux Toolkit, Material UI, and Chart.js.
Project highlights include role-based login, real-time crypto market data, interactive Bitcoin price chart, dark mode toggle, and fully responsive UI.
Tech stack includes React, Redux Toolkit, Axios, Material UI, Chart.js, React Router DOM, and Vercel.
The developer is open to feedback and suggestions, and invites comments for the GitHub repo link or assistance in setting up a similar project.

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Medium

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Jobs in High Demand in 2025

AI professionals skilled in building, testing, and maintaining AI models are in high demand.
Cloud computing is widely sought after, providing various internet-based computer services.
Translation jobs are still in high demand as AI struggles to understand deep feelings and cultural differences.
Creating mobile apps remains a rewarding and enjoyable skill in high demand.

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Medium

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Why I Use Docker and Docker Compose for Self-Hosting

Docker and Docker Compose are popular tools for self-hosting.
Docker uses containerization to package applications and their dependencies.
Docker Compose simplifies management of multi-container applications.
Other tools like Cloudron, Runtipi, YunoHost, and CasaOS provide a graphical interface for easy app installation on self-hosted servers.

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Medium

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JavaScript Just Got Smarter: Meet the New groupBy() Method

JavaScript introduces the new Object.groupBy() method.
The new method simplifies the process of organizing data into small buckets.
It replaces the need to use reduce() or external libraries like Lodash.
Object.groupBy() groups data based on a specific common property.

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Infoq

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JavaOne 2025 Day 2: FFM API, Virtual Threads, Platform Engineering, Evolution of Jakarta EE

Day Two of JavaOne 2025 featured discussions on FFM API, Virtual Threads, Platform Engineering, and Jakarta EE evolution.
Per-ke Minborg presented on JEP 454, the Foreign Function & Memory API, as a replacement for JNI.
The issues with JNI were discussed, along with frameworks attempting to address them.
Joe Di Pol discussed virtual threads in Helidon 4.0 and overcoming pinning issues.
Steve Millidge focused on modernizing Java applications with Kubernetes for efficiency and automation.
Platform Engineering at Payara simplifies manual tasks in Kubernetes deployments.
Ivar Grimstad's presentation covered the past, present, and future of Jakarta EE, including new specifications under consideration.
Demos included Jakarta Data examples and enabling virtual threads in JDK 21 applications.
Future Jakarta EE versions may include Jakarta NoSQL 1.0 and Jakarta MVC 3.0, with new specifications like Jakarta Query and CRaC being considered.
JavaOne 2025, a three-day event, featured keynotes and hands-on labs, with a focus on Java's ongoing development.
Oracle's expert speakers at the event included Brian Goetz, Ron Pressler, and Paul Sandoz.

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Javacodegeeks

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Read an External Properties File in Maven

Reading external properties in a maven project is beneficial for accessing secure credentials or logging settings.
The article explains how to read an external properties file in a Maven project setup.
The maven project folder structure stores the external properties file in the 'external-config' folder.
The 'external.properties' file in the project root defines properties like 'my.custom.property', 'server.log', 'database.login', and 'apikey'.
The article highlights the content of the 'result.txt' file and its update upon execution.
The 'pom.xml' file is updated to incorporate build plugins like maven-resources-plugin and properties-maven-plugin.
Executing 'mvn clean install' confirms loading properties from the external file and resource copying.
The process demonstrates property value replacement and copying to the filter-result folder.
The article covers how to read external properties through arguments and overwriting the external property file.
Overall, the article showcases the importance of managing environment-specific builds with Maven plugins for clean, maintainable projects.

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Logrocket

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Designing for instant feedback: The Doherty Threshold in UX

The Doherty Threshold states that system response time should be 400 milliseconds or less to maintain user engagement and efficiency.
Faster system responses result in users staying engaged, working efficiently, and perceiving UX positively.
Adherence to the Doherty Threshold ensures users remain in a state of engagement and efficiency, enhancing their overall experience.
The perception of speed is crucial in UX design, with delays leading to increased page abandonment rates.
Challenges of implementing the Doherty Threshold include processing power, internet speed, over-stimulation, backend limitations, and mobile constraints.
Strategies to implement the Doherty Threshold include prioritizing perceived performance, optimizing system performance through design, and designing for instant feedback.
Examples of the Doherty Threshold in action include Google Search's predictive loading, TikTok's infinite scroll, and Apple's Face ID unlock system.
By focusing on perceived performance, streamlining user flows, and optimizing system responsiveness, designers can create engaging experiences that meet user expectations for speed.
Designing with the Doherty Threshold principle in mind helps maintain user engagement, efficiency, and overall positive UX perception.
Applying strategies such as incorporating microinteractions, optimizing visuals, and designing for instant feedback can enhance user experience and satisfaction.

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Logrocket

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Use case template: Downloadable example & how to write one

A use case details how a user interacts with a system to achieve a goal, aiding in identifying potential issues and exceptions.
Use cases are crucial in software development, project management, and business analysis for defining requirements and system behaviors.
Different formats for use cases include textual, tabular, and diagrammatic, each offering unique advantages.
Textual use cases describe interactions in paragraph form, tabular use cases break down actions into columns, and diagrammatic use cases visually represent interactions.
Business use cases focus on broader business strategies, while system use cases zoom into specific user interactions with the system.
Use cases provide a roadmap for user interactions, unlike user stories or feature lists, by outlining all possible scenarios and outcomes.
Product managers, developers, and business analysts use use cases in different ways to ensure alignment, development, and testing of systems.
Use cases help reveal system demands early, improve communication, identify potential issues, guide development, and ensure project traceability.
Components of a use case include actors, systems, goals, preconditions, triggers, basic flows, alternative flows, and post-conditions.
Writing a use case involves understanding the target audience, outlining flows, adding alternative scenarios, identifying edge cases, and creating test cases based on the use case.

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Dev

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How to Build an AI-Powered UI Components Generator in Minutes (LangGraph, GPT-4, & Stream Chat SDK)

This article teaches how to build an AI-powered UI components generator using LangGraph, GPT-4, and Stream Chat SDK.
The tutorial covers understanding AI agents and LangGraph AI agent structure, building UI components generator backend with Python, LangGraph, and GPT-4, and creating a Flask web server to handle frontend requests.
It also includes building the UI components generator frontend with Next.js, TypeScript, and TailwindCSS, integrating the Stream Chat SDK to enable collaborative discussions and prompt generation in the chat interface.
AI agents utilize LangGraph, an open-source framework, to generate clean UI components using HTML and Tailwind CSS through assembly line-like workflows.
LangGraph AI agents structure includes customer orders, assembly lines (Graph), workstations (Nodes), conveyor belts (Edges), foreman (State), notebook (Memory), and mechanical engineer (Language Model).
Prerequisites include basic React or Next.js knowledge and tools like Python, LangGraph, OpenAI API Key, Tavily AI, Stream Chat SDK, and Ace Code Editor.
Backend setup involves creating a UI components generator, setting up the project, importing required libraries, configuring the graph, defining a system prompt, and setting up tools and Language Model.
The Flask web server setup includes installing Flask and Flask Cors packages, setting up endpoints to handle UI components requests, and starting the server to handle frontend and backend interactions.
Frontend setup involves creating UI components like ComponentPreview, CodeDisplay, VersionManager, and ComponentGenerator components to preview, edit, save version, and generate UI components based on user prompts.
Integrating Stream Chat SDK added chat capabilities to the frontend, enabling collaborative discussions, prompting for UI components, and managing AI presence in the channel.
The AI-powered Stream Chat SDK integration includes setting up a backend with methods to start and stop AI agents for a specific channel and testing the AI-powered chat interface functionality.

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Dev

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Making Makefiles for fun and profit

Make is a 48-year-old build automation tool that remains useful today, and this article highlights its benefits, usage, and practical examples for modern development workflows such as Terraform automation and local dev environments.
Makefiles help in automating tasks efficiently by compiling only changed source code files and managing dependencies to streamline the build process.
The article delves into the cryptic syntax of Makefiles, explaining variables, targets, linking object files, and compiling source files through practical examples like a C project Makefile.
Common uses of Makefiles beyond C software development include Terraform automation and setting up local development environments for projects like Rust using Docker.
Makefiles can be instrumental in managing various development projects, as shown through examples of a link shortener CDK project and a static website deployed using AWS Amplify.
Amazon Q Developer CLI is introduced as a tool to generate Makefiles for projects, demonstrating how it can automate tasks like building, deploying, and setting up local environments.
The article emphasizes the enduring relevance of Make despite its complex syntax, showcasing its evolution over 48 years to optimize development workflows and simplify automation tasks.
Dynamic Makefiles are showcased through examples where variables like Amplify app-id are fetched dynamically to handle deployments and updates effectively.
Overall, Makefiles remain a valuable tool for developers, aiding in automating tasks, standardizing workflows, and enhancing productivity across various development scenarios.

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Dev

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5 Golden Rules to Improve Code Quality in Java: SOLID Principles

SOLID refers to five fundamental principles used in software design.
The SOLID principles are Single Responsibility Principle (SRP), Open/Closed Principle (OCP), Liskov Substitution Principle (LSP), Interface Segregation Principle (ISP), and Dependency Inversion Principle (DIP).
These principles ensure that software is more flexible, maintainable, and testable.
By following the SOLID principles, code quality in Java can be significantly improved.

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Dev

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Message Brokers Explained: When and Why For Your System

Message brokers, also known as queues, facilitate communication between applications by sending and receiving messages as intermediaries.
They are crucial for systems requiring asynchronous communication, message queue management, and reliable data routing.
Message brokers benefit systems by decoupling services, enabling independent operation via message exchange and reducing dependencies.
They are useful for scenarios like asynchronous communication, load balancing, ensuring reliability, event-driven architecture, and high throughput traffic handling.
Message brokers aid in distributing workloads evenly, ensuring message persistence, reacting to specific events, and handling sudden traffic spikes.
They also assist in message routing, cross-platform communication, data aggregation, and real-time data processing.
Popular message brokers include Apache Kafka, RabbitMQ, Amazon SQS, and ActiveMQ, offering features like high-throughput streaming and advanced message routing.
In conclusion, message brokers play a vital role in building scalable, reliable, and efficient systems by managing message queues and facilitating seamless communication.

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Dev

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How To Handle Form Data In React JS

Handling form data in React JS is essential for developers building interactive web applications, influencing app performance and user experience.
Controlled components tie form data to component state, allowing for easy validation and immediate user input reactions in React JS.
Uncontrolled components, while handling form data by the DOM, may be preferred in simpler scenarios or with third-party libraries.
A simple login form example in React JS demonstrates the use of useState hook and form submission handling.
Best practices for handling form data include simplicity, meaningful naming, early validation, graceful error handling, accessibility, and leveraging libraries like Formik and React Hook Form.
Advanced techniques for complex forms involve dynamic forms, custom hooks, state management with Redux or Context API, handling file uploads with the FormData API, and testing forms using tools like Jest and React Testing Library.
Controlled components provide better validation and real-time feedback, while uncontrolled components rely on DOM for form data handling in React JS.
Libraries like Formik and React Hook Form simplify form handling, whereas file uploads in React forms can be managed using the FormData API.
Form data plays a crucial role in creating user-friendly applications in React JS, and understanding controlled components, dynamic forms, and testing is important for form handling.
Exploring resources like official React documentation, Formik, React Hook Form, and MDN Web Docs can enhance form handling techniques in React projects.

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