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Arstechnica
1w
383
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Autism rate rises slightly; RFK Jr. claims he’ll “have answers by September“
- The rate of autism in a group of 8-year-olds in the US rose from 2.76 percent (1 in 36) in 2020 to 3.22 percent (1 in 31) in 2022, according to a study.
- The slight increase in autism rate is attributed to improved access to evaluations in underserved groups, including Black, Hispanic, and low-income communities.
- The data comes from the CDC-funded Autism and Developmental Disabilities Monitoring (ADDM) Network, which has been tracking the prevalence of autism spectrum disorder (ASD).
- In 2020, for the first time, higher ASD rates were observed in underserved communities, and the link between ASD and socioeconomic status also diminished.
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Medium
1w
332
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Mastering Python Slicing: The Complete Guide for Beginners and Beyond
- Slicing is a powerful feature in Python that lets you extract parts of sequences like lists, strings, and tuples with clean, readable syntax.
- In Python, slicing means accessing a portion of a sequence using a specific format.
- Slicing is one of Python’s cleanest features, allowing you to write clean and efficient code.
- Mastering slice syntax gives you an edge in writing clean, efficient code.
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Dev
1w
17
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Unit Test for MCP!
- Unit test for MCP server, specifically the Time Server MCP.
- Creating unit tests using skUnit and configuring it in the test constructor.
- Establishing a connection to the MCP server and creating a ChatClient.
- Writing the test scenario and using skUnit to validate the expected outcome.
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Dev
1w
392
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Why You Can’t Access Struct Fields Through Interfaces in Go (and How to Fix It)
- Go interfaces guarantee access to methods, not fields.
- Accessing struct fields through interfaces in Go requires type assertion or reflection.
- Type assertion can be used to safely access the struct's fields.
- Reflection can also be used to access struct fields, but it should be used with caution.
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Dev
1w
0
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Building Universal npm Libraries: Supporting Both CJS and ESM
- Dual package support is important for building Universal npm libraries.
- The JavaScript ecosystem currently operates with two module systems: CommonJS (CJS) and ES Modules (ESM).
- Building libraries that support both formats helps maintain backward compatibility, support modern JavaScript workflows, reduce ecosystem fragmentation, and provide a smoother migration path.
- The implementation guide suggests a straightforward approach to implement dual-package support, including project structure, TypeScript support, build configuration, and package.json configuration.
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Dev
1w
102
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React vs Next: Which One Makes You a Better Developer? 🚀
- React is a JavaScript library used to build user interfaces by breaking them down into reusable components.
- Next.js is a framework built on top of React that makes it easier to build fast, optimized, production-ready web apps.
- React is ideal for highly interactive apps, providing freedom in choosing architecture and tools.
- Next.js is recommended for projects that require SEO optimization, fast load times, and structured, scalable development.
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Dev
1w
264
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MatrixSwarm — An Autonomous OS That Spawns Agents from Folders (No Servers. No Containers.)
- MatrixSwarm is a distributed agent orchestration system where every agent is just a folder.
- Agents in MatrixSwarm are simple Python classes that define a worker() loop.
- MatrixSwarm is an autonomous operating system that operates through the file system.
- MatrixSwarm allows agents to communicate through directories and manage themselves.
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Medium
1w
157
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Bridging AI and Neuroscience: Insights into Natural Language Processing
- Researchers introduce a computational framework that connects acoustic signals, speech, and word-level linguistic structures to study the neural basis of real-life conversations.
- Using electrocorticography (ECoG) and the Whisper model, they map the model's embeddings onto brain activity, revealing alignment with the brain's cortical hierarchy for language processing.
- The study demonstrates the temporal sequence of language-to-speech and speech-to-language encoding captured by the Whisper model, outperforming symbolic models in capturing neural activity associated with natural speech and language.
- The integration of AI models like Whisper offers new avenues for understanding and potentially enhancing human communication through technology.
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Medium
1w
136
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Firebase Studio: Overview & Tutorial
- Firebase Studio, launched last week at Cloud Next 2025, is a cloud-based, agentic development environment that brings together the necessary tools for building, testing, deploying, and running AI apps in one place.
- It provides a platform for both beginner developers and experienced coders, with features such as natural language prompts for generating prototypes and a customizable virtual machine for experienced developers.
- Firebase Studio includes an IDE powered by Gemini's AI assistance, offering code completion, debugging help, and optimization suggestions based on the codebase.
- The platform seamlessly connects with core Firebase services such as Authentication, Firestore, Hosting, Cloud Functions, and Storage, simplifying the setup process.
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Medium
1w
413
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8 CSS Shorthands That’ll Clean Up Your Code And Make You 10x Faster.
- CSS shorthand properties allow you to combine multiple related CSS properties into a single declaration.
- Here are 8 powerful CSS shorthand properties to make your code shorter and enhance maintainability and performance.
- The shorthands cover use cases such as flexbox and grid spacing, transform movement, logical directions for horizontal spacing, vertical spacing with writing mode support, controlling scroll behavior, positioning elements, and controlling how flex items expand/shrink.
- By mastering these 8 shorthand properties, you can become a CSS pro and create cleaner code.
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Medium
1w
213
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Using Custom Solana RPCs with Helius and Backpack wallet
- An RPC is how your wallet or app communicates with the Solana blockchain, with default public RPCs available but can be slower for dev work, prompting the use of custom RPCs like Helius.
- Backpack wallet, created by Armani Ferrante's Coral, is a popular Solana wallet that allows switching RPC URLs easily.
- Custom RPCs are essential for developers and serious apps to gain speed and extra features in interacting with Solana Mainnet or Devnet.
- Helius is a well-known RPC provider offering URLs with API keys for Solana blockchain, highly recommended for dev work.
- To start using Helius, create an API key, visit the Dashboard, switch to Devnet, and copy the provided URL for custom RPC connection.
- Install Backpack wallet from a trusted source, follow instructions carefully, keep your seed phrase secure, and configure it to use the custom RPC URL obtained from Helius.
- For developers requiring Devnet SOL for testing or transactions, using a custom RPC is crucial to avoid CORS errors and ensure transactions go through successfully.
- Always verify wallet downloads to prevent falling for crypto scams, and securely manage API keys to prevent unauthorized access.
- Utilizing custom RPC providers like Helius enhances the efficiency and reliability of interactions with the Solana blockchain for development and live production purposes.
- Having a separate wallet for development work, such as Backpack, enables easy switching between different RPC URLs for varied project requirements.
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Dev
1w
200
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Why you should cancel your HTTP requests
- Browsers using HTTP 1.1 typically only allow 6 simultaneous requests to the same domain, causing slow performance and incorrect results in autocomplete features.
- Canceling ongoing requests using an AbortController in your autocomplete component ensures only the latest data updates your component, providing faster performance and avoiding race conditions.
- Even with HTTP/2, canceling HTTP requests is still important to avoid race conditions.
- Handling canceled requests on the server, such as stopping expensive operations like DB queries, can reduce server load and improve responsiveness.
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Dev
1w
409
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ECMAScript Proposals and the TC39 Process
- ECMAScript (ES) proposals play a crucial role in suggesting enhancements to JavaScript, and understanding the TC39 process is essential for senior developers.
- The TC39 committee oversees the evolution of JavaScript, with proposals undergoing stages like Strawman, Proposal, Draft, Candidate, and Finished.
- ES has evolved from its early versions to a more democratic proposal process, introducing features like arrow functions, classes, modules, and promises.
- The TC39 proposal process involves detailed stages from conceptualization to final specification, with community feedback being vital.
- An example of a feature that went through the TC39 process is Optional Chaining, simplifying nested object access in JavaScript.
- Real-world applications of TC39 features can be seen in modern web frameworks like React and Angular, improving development efficiency.
- While embracing new ES features enhances development, pitfalls like browser compatibility issues and over-reliance on modern features should be considered.
- Debugging tools like Chrome DevTools aid in debugging modern JavaScript code, offering insights into call stacks and breakpoints.
- Understanding edge cases is crucial, as they can reveal flaws in new proposals like Optional Chaining when used with proxies.
- By staying informed about ECMAScript proposals and the TC39 process, developers can make informed decisions to enhance codebases and embrace innovation.
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PlanetPython
1w
89
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PyCoder���s Weekly: Issue #677: __dict__, Streamlit, Boolean Expressions, and More (April 15, 2025)
- Using Python’s .__dict__ to Work With Attributes
- Create Your First App With Streamlit
- Build AI Agents With 300+ APIs
- Refactoring Long Boolean Expressions
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Dev
1w
98
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Why I Finally Embraced Server Components in React and You Should Too
- React Server Components (RSC) transitioned from experimental to stable, prompting a developer to embrace them for improved performance.
- Initially skeptical, the developer's mindset shifted after facing performance issues in a dashboard app, leading to significant improvements.
- By moving the analytics dashboard to Server Components, metrics like LCP, bundle size, and Time to Interactive showed substantial enhancements.
- The transition involved simplifying data fetching, reorganizing components, and revising state management.
- Server Components excel in data-heavy dashboards, content-focused pages, SEO-critical sections, and complex visualizations.
- Interactive elements remain as client components, emphasizing the intelligent division of server and client work.
- Starting incrementally, leveraging Suspense boundaries, and focusing client components are recommended for a smoother transition.
- Despite challenges and complexities, embracing Server Components for performance gains in content or data-heavy interfaces is deemed worthwhile.
- Server Components emphasize a strategic approach to determining interactive components, avoiding unnecessary JavaScript transmission.
- Transitioning to Server Components can deliver substantial improvements in user experience, particularly for certain types of applications.
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