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The Silent Killers in Node.js: uncaughtException and unhandledRejection 🐦

Node.js architecture can lead to critical errors like uncaughtExceptions and unhandledPromiseRejections.
Uncaught exceptions occur when errors are thrown but not caught, and unhandled promise rejections happen when promises are not caught with a .catch().
Ignoring these errors can lead to process termination without cleanup, affecting data integrity, causing resource leaks, silent failures, and security risks.
Best practices include handling fatal errors by logging full context, reporting to error-tracking services, gracefully shutting down, and converting unhandled rejections into exceptions.

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Dev

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🚀 HexTo Just Got a Massive Upgrade: Harmonies, Tokens, Vision Sim, and More!

HexTo, a browser-based color tool, has received a significant update with several new features.
New features include a Color Harmonies Generator, Contrast Checker with visual preview, Color Vision Simulator, Palette Builder with Export options, Design Token Support, and Dark Mode.
The tool aims to streamline color workflows for developers and designers, offering a single solution for various color-related tasks.
Upcoming features for HexTo may include Custom palette saving, WCAG 3.0 visual scoring, Color name AI, and possibly an Open-source API.

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Dev

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Programming Entry Level: project ideas algorithms

Understanding project ideas & algorithms for beginners is important for programming success.
Project ideas are what you want to build, while algorithms are step-by-step instructions.
A simple example in Python demonstrates finding the largest number in a list.
Beware of common mistakes like incorrect initialization or premature returns in code.
Practice by building a to-do list manager and other small projects to improve.

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Dev

125

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The Rise of Edge Computing with Node.js: How We Cut Latency by 60%

Users in Tokyo were experiencing 1.2s API latency, prompting the need for a solution to reduce delays and improve performance.
Edge Computing with Node.js was implemented to lower latency by serving users from the nearest edge location, reducing origin load, and providing better resilience.
Node.js was chosen for its lightweight nature, JavaScript compatibility, and extensive ecosystem, with various edge runtime options available from platforms like Vercel Edge, Cloudflare, AWS Lambda@Edge, and Deno Deploy.
The implementation of edge-cached Node.js microservices led to significant improvements, such as a decrease in Tokyo latency from 1.2s to 80ms, reduced origin server load, and improved handling of peak traffic.

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Dev

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Dealing with relative paths in JavaScript URL parsing

JavaScript URL parsing usually requires full URIs with schema, but dealing with relative paths can be tricky.
Using the thismessage:/ schema allows for parsing relative paths without needing to fake a domain.
The thismessage:/ schema is recognized by the URL constructor and can be added to relative paths for accurate parsing.
This approach follows official internet rules and provides a standards-compliant method for handling relative paths in URL operations.

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Medium

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B_u_y Google Map Reviews in 2025 with Bestpvamarket.com

Google Map reviews are essential for building trust and credibility in 2025.
Bestpvamarket.com offers authentic Google Map reviews to help businesses stand out.
Investing in Google Map reviews from Bestpvamarket.com drives growth and credibility.
Bestpvamarket.com provides tailored and high-quality reviews to enhance online presence.

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Medium

105

Why 99% of Ai SaaS Landing Pages Fail to Convert (And How This Template Guarantees Success)

Many AI SaaS landing pages fail to convert due to prioritizing fancy design over clear communication of benefits and functionality.
Convert offers a template with 10 optimized pages, 5 CMS collections, strategic layout, and requires zero code for launch.
Convert aims to help startups avoid design struggles, launch delays, and ensure their website effectively accomplishes its purpose.
The template is positioned as a solution for startups to quickly launch professional-looking websites that drive conversions.

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Dev

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From Cloud Lag to GPU Speed: How Dedicated Servers Are Revolutionizing Remote Work and Development

Remote work revolutionized with powerful cloud GPU dedicated servers for high-performance tasks.
Dedicated servers eliminate lag, boost productivity, and offer cost-effective top-tier hardware access.
GPU acceleration enhances AI training, video editing, game development, and collaboration for teams.

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Dev

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The Bug Was One Character Long: Lessons From My First Full Stack App

A developer shares lessons from building their first full-stack app.
Started with Vue, Express, and Typescript, faced challenges but kept persisting.
Encountered a bug due to a small naming error but overcame it eventually.
Despite difficulties, completing the project brought a sense of accomplishment and growth.
Lesson learned: persistence pays off in troubleshooting and completing tasks.

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Medium

356

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The Dependency Inversion Principle: The Backbone of Scalable and Maintainable Architectures

The Dependency Inversion Principle (DIP) is a fundamental architectural principle that fosters scalability, maintainability, and resilience in software systems by inverting dependencies.
DIP involves making low-level components depend on high-level abstractions, protecting core business logic from disruptions caused by changes in external technologies.
Implementing DIP enables flexibility in changing tools and technologies, facilitates testability and easy swapping of implementations without affecting the business layer.
Through DIP, teams can develop and extend systems in parallel, with clear boundaries and no tight coupling, leading to modular, testable, and scalable software architectures.

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Dev

328

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Frontend Development Trends in 2025: What Every Developer Should Know

Frontend development trends in 2025 focus on React Server Components for improved performance and developer experience. RSC enables server-rendered components that reduce bundle size and enhance loading times.
Edge computing is being adopted for frontend logic to reduce latency and speed up personalized experiences, with platforms like Vercel and Cloudflare Workers facilitating the shift of logic to the edge.
Web Components enable framework interoperability, making it easier to share UI across various frontend stacks like React, Vue, and Svelte. This advances design systems and encourages cross-team collaboration.
Design systems and the use of utility-first CSS are prevalent in 2025, with tools like Tailwind CSS and AI-powered developer tools enhancing frontend development practices for better efficiency and creativity.

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Dev

333

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Creating AI Agents That Use Your MCP Server (Part 4/5)

Learn how to create an AI agent using an MCP server for customer interactions.
Steps include LLM integration, building the AI agent, and creating intelligent workflows.
Features like daily analysis, negative feedback handling, and weekly reports are implemented.
The system enables intelligent decision-making and offers a comprehensive feedback handling solution.
Test the AI system and explore extending functionalities for specific business needs.

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Medium

327

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Understanding the @Transient Annotation in JPA with Spring Boot Examples

The @Transient annotation in JPA is used to exclude specific fields from being persisted in the database.
It is helpful for storing temporary data, calculated values, or helper fields that are only relevant during the application's runtime.
The annotation is a clear indicator to the JPA provider, such as Hibernate in Spring Boot, to ignore marked fields during the persistence lifecycle.
This article explores the purpose and practical use cases of @Transient with Spring Boot and JPA to enhance data model efficiency.

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Dev

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Setting Up Your First MCP Server with Python (Part 3/5)

Developers embark on setting up their first MCP server for feedback collection.
Steps include environment setup, Python installation, project creation, and server understanding.
A Python script for a feedback server is built, tested, and explained thoroughly.
Key aspects covered: resources, tools, server functionalities, common issues, and next steps.

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Dev

154

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The Building Blocks - Understanding MCP, Agents, and LLMs (Part 2/5)

AI systems consist of essential components like workflow engines, AI agents, Large Language Models (LLMs), and MCP Servers.
Workflow engines orchestrate processes, while AI agents have specific roles such as gathering information, processing data, and performing tasks.
LLMs provide intelligence behind agents, understanding language, generating responses, and making decisions. Popular options include OpenAI GPT-4 and Anthropic Claude.
MCP Servers act as universal connectors, allowing AI to connect to various tools and services through a standard protocol like Model Context Protocol.

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