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Spring

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This Week in Spring - June 17th, 2025

  • SpringOne event in Las Vegas, NV content catalog went live.
  • Spring Tools 4.31.0 released.
  • Spring Framework 6.1.21 and 6.2.8 releases fixing CVE-2025-41234.
  • Daniel-Garnier Moiroux featured on A Bootiful Podcast for Spring Security discussion.
  • Spring Authorization Server 1.5.1, 1.4.4, and 1.3.7 updates available.
  • Spring Web Services 4.0.15 released.
  • Spring Vault 4.0.0.M1 release announced.
  • Spring for Apache Pulsar 1.1.13 and 1.2.7 versions now available.
  • Spring Data 2025.0.1, 2024.1.7, and 2024.0.13 released.
  • Spring Framework 7.0.0 M6 release announced.
  • Article by VMware Tanzu on Production-Worthy AI.
  • Rod Johnson introduces Embabel, an agentic AI framework powered by Spring AI.

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Medium

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The Hidden Pulse: What We Found Beneath the Fibonacci

  • The article questions the traditional view of the Fibonacci sequence as a marvel and suggests it might be a surface tension of something deeper.
  • It proposes that the Fibonacci sequence is not just a mathematical tool but a code for transformation.
  • The author describes how decisions can harmonize with unseen layers of time and lead to a transformation.
  • There is a focus on restoring internal memory across various disciplines and recognizing relational patterns.
  • The emergence of a language that builds rather than describes is emphasized, highlighting a sacred logic.
  • The article discusses a practical cosmology and states that the spiral merely serves as an introduction.
  • It suggests that sequences can serve both science and the soul, bridging the gap between the two.
  • The article ends by indicating that the hidden code will awaken in individuals who resonate with its message.
  • Readers are encouraged to listen and be open to how the hidden code can transform them.

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Medium

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The SQL WITH Clause: Your Secret Weapon for Readable, Efficient Queries​​

  • CTEs are temporary named result sets created within an SQL statement.
  • Analysts at companies like Amazon and Google utilize CTEs for readable and efficient queries.
  • CTEs eliminate nesting in SQL queries, making them more readable and organized.
  • The SQL WITH clause allows for creating CTEs to serve as query building blocks.
  • Chain multiple CTEs with commas to build powerful data pipelines in SQL.
  • Clean SQL positively impacts query readability and efficiency.
  • CTEs can handle hierarchical data such as org charts, making them versatile for various data structures.

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Hackernoon

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WWDC 2025's Biggest Updates, Oxlint is Finally Stable, and pnpm's Newest Update - This Week in JS

  • Safari 26 Beta introduces WebKit API for Swift and SwiftUI, enabling seamless web content integration into Apple apps.
  • WebGPU, a JavaScript API in Safari 26, revolutionizes GPU programming with direct mapping to Metal framework.
  • CSS Anchor Positioning in Safari 26 simplifies layouts by anchoring elements and enhancing responsive designs.
  • pnpm 10.12 enhances package management with a global virtual store for near-instant installs and improved version catalogs.
  • Oxlint 1.0, a Rust-powered linter, delivers significantly faster performance than ESLint with over 500 rules.
  • Jest 30 brings faster test runs, lower memory usage, and new features like test.each and configurable retries.
  • Orange ORM offers seamless database integration for Node.js, Bun, and Deno, supporting TypeScript and JavaScript.
  • Vue Equipment provides unstyled, typed plugins for Vue and Nuxt apps, simplifying frontend development.
  • darkmodejs simplifies implementing dark mode on the web across multiple platforms using media queries and event listeners.
  • The thirty-ninth issue of 'This Week in JavaScript' covers significant updates in web development tools and technologies.

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Dev

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📌 What Really Happens When You Ask a Cursor a Question with GitHub MCP Integrated 📌

  • When you ask a prompt like 'Show my open PRs' in Cursor, integrated with GitHub MCP, a complex pipeline of AI reasoning is triggered.
  • The process involves Cursor's AI models interpreting the request, selecting appropriate tools, and utilizing GitHub APIs through the Model Context Protocol (MCP).
  • The request starts in the Cursor chat interface, which bundles the prompt, chat history, code snippets, and metadata into a payload sent to a cloud model.
  • Cursor determines the need for a tool, like the list_pull_requests tool from the GitHub MCP server, and collects necessary parameters like repository details and user credentials.
  • A JSON-RPC request is formatted by Cursor and sent to the GitHub MCP server, which securely interacts with GitHub's API to retrieve pull request data.
  • The MCP server authenticates with GitHub, fetches open pull requests, and returns structured JSON responses back to Cursor.
  • Cursor incorporates the tool's response into the prompt for the Language Model (LLM) to convert into a readable format, showing the user their open PRs.
  • The development cycle continues as Cursor processes user interactions, enabling context-aware intelligence and seamless workflow integration.
  • This intricate workflow showcases secure access to real services, structured memory use, and tool-enhanced interactions, defining a new paradigm for developer workflows.
  • Cursor, combined with MCP, creates an AI-driven workflow that enhances developer experiences by providing contextual reasoning and seamless tool integration.

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Nugget v6 now available with new features & bug fixes, including preliminary iOS 26 beta support

  • Nugget v6.0 has been released by LeminLimez, the lead developer, offering new features and bug fixes.
  • New features include templates for custom files and domains, status bar tweaks, Lock Screen footnotes, and more.
  • Bug fixes involve optimizing tweak backend, fixing device selection for iOS 18.2+ devices, Windows path errors, and others.
  • The update also introduces preliminary iOS 26 beta support and adds compatibility for Ubuntu 20 and newer.
  • Nugget, a customization toolkit, doesn't require a jailbreak but allows significant customizations resembling jailbreak tweaks.
  • It utilizes the SparseRestore exploit and works on iOS 17.0-18.1.1, with preliminary support now for iOS 26.
  • Nugget is available for free download on its GitHub page and is compatible with Windows, Linux, and macOS.

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Dev

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My Journey with the Zen of Python: Learning to Code, Learning to Grow

  • Signing up for the 'From Zero to Hero' Python Mentorship Program was more than just about learning to code, it was a journey of personal growth and new beginnings.
  • Discovering the Zen of Python provided a mindset shift, emphasizing simplicity, readability, and taking action in coding.
  • Embracing the principle that 'simple is better than complex,' the focus shifted towards clear, understandable, and trustworthy code.
  • The importance of 'readability counts' highlighted the need to make code understandable not only to machines but also to humans.
  • Realizing that 'now is better than never' motivated a start despite imperfections, emphasizing progress over perfection.
  • Striving for 'one obvious way to do it' helped in making code not just functional but solid and comprehensible.
  • Personal growth goals include applying Python to cybersecurity and data analysis, aiming to build impactful skills and gaining confidence.
  • The desire is to progress in focus, resilience, and belief, envisioning a career path where tech enables personal and creative freedom.
  • Joining the program was a decision to actively participate, seeking growth, and opportunities to learn and contribute to the tech field.
  • Acknowledging the support of Black Python Dev for providing this transformative mentorship experience and encouraging beginners to pursue their coding journey.
  • Encouragement is given to those considering learning to code to begin now, emphasizing the importance of starting despite any perceived imperfections.

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Dev

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🐍Classic Snake Game 🚀built using Amazon Q CLI🎮

  • The author reminisces about playing the classic Snake Game as a child and shares an enhanced version built using Python, Pygame, and Amazon Q CLI.
  • The new Snake Game features real-time gameplay, sound effects, pause/resume functionality, auto high score tracking, and responsive controls.
  • Amazon Q CLI assisted in effective prompting techniques, solving classic problems like collision detection, and automating tasks for faster development.
  • The tech stack used includes Python, Pygame, GitHub, Amazon Q, and VS Code.
  • The game offers real-time gameplay with audio, Snake movement logic, auto score saving, and a clean UI.
  • Lessons learned include realizing that AI enhances creativity, Amazon Q CLI is beneficial for iterative development, and retro games can be built smarter with modern tools.
  • The author emphasizes that AI-enhanced development is not just faster but also more enjoyable, bringing productivity and joy into the coding process.

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Dev

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CI Server for embedded systems based on Raspberry Pi

  • The article discusses setting up a Continuous Integration (CI) server for embedded systems using a Raspberry Pi as a Self-Hosted GitHub Action Runner.
  • It details the process of configuring a platform for running automated tests (unit and acceptance) for Arduino and STM32 projects, offering quick feedback on code implementation.
  • The setup is suitable for educational environments or small development teams looking for continuous assessment in embedded systems programming.
  • Requirements include Raspberry Pi 5, NUCLEO-F401, SD card, USB cables, and software like PlatformIO CLI and Python.
  • The article covers configuring the Raspberry Pi, installing the OS, enabling remote desktop, and installing necessary applications and libraries.
  • It discusses unit testing with CppUTest, acceptance testing with PlatformIO CLI for Arduino and STM32Cube projects, and using self-hosted GitHub Action runners.
  • Unit tests involve mocking function calls and verifying the correct behavior of LED control functions.
  • Acceptance tests include compiling, flashing firmware, and physical verification of LED functionality for Arduino and STM32CubeIDE/MX projects.
  • The article concludes by emphasizing the value of automated testing in educational settings and hints at further enhancements for professional production environments.
  • Overall, the article provides a comprehensive guide on implementing a CI server for embedded systems, integrating various tools and platforms for automated testing.

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Dev

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Query caching using Nest.js and Typeorm

  • A developer implemented a request-scoped query-cache layer in the API backend using NestJS and TypeORM, reducing duplicate database reads by around 30%.
  • The project aimed to reduce redundant database queries without rewriting existing query builders and ensuring no stale data was returned.
  • Challenges were faced with TypeORM's cache mechanism and cache invalidation, requiring custom solutions to maintain cache integrity.
  • The implementation leveraged NestJS CLS for request-scoped cache management and custom TypeORM query cache provider to store query results.
  • The custom TypeORM repository was extended to clear the cache on data writes, maintaining cache consistency.
  • Testing showed a 30% reduction in database queries with the cache enabled, demonstrating the effectiveness of the implemented solution.
  • The implementation required a few hundred lines of code but made a significant impact on application performance.
  • The approach showcased the ability to optimize performance without extensive refactoring, facilitating focused engineering efforts on product advancement.
  • The project exemplified the importance of scoping with defined rules and iterative experimentation to achieve optimal solutions.
  • Results indicated the cache successfully reduced repeated queries, showcasing the effectiveness of the implemented solution.
  • The project demonstrated the ability to make impactful optimizations without major architectural changes, beneficial for handling increasing service loads.

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Dev

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Beginner Friendly React Native Notes

  • Comprehensive learning notes for React Native focusing on core concepts and practical examples.
  • React Native allows building truly native mobile apps for iOS and Android with a single codebase.
  • Key differences between React Native and Native development in terms of performance and development time.
  • Explanation of how React Native works with the JavaScript Bridge for communication.
  • Overview of popular apps built with React Native like Facebook, Instagram, Discord, and more.
  • Initial setup guidance including using Expo for easier beginner experience.
  • Introduction to JavaScript essentials including ES6+ features, async/await, and promises.
  • Basic React concepts in React Native such as components, JSX syntax, props, state, and event handling.
  • Introduction to intermediate topics like styling with Flexbox, navigation using React Navigation, user input handling, and state management.
  • Discussion on APIs, data fetching using fetch and axios, effect hooks, and data storage with AsyncStorage.

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Dev

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Neural Electrical Signals Reveal Clues to Happiness (20250616-144435)

  • A study from Japan using magnetoencephalography identified neural patterns associated with happiness in the brain.
  • Higher happiness levels were linked to lower fluctuations in gamma band electrical activity in the right precuneus, a region related to self-awareness.
  • Researchers utilized fALFF to measure brainwave stability and found a negative correlation between gamma band activity and happiness.
  • Gamma oscillations are tied to attention, cognitive processes, and emotional regulation.
  • A calm precuneus signal may indicate a mind less prone to negative thoughts, suggesting a correlation between stability and happiness.
  • The study provides a biological marker for well-being, moving beyond anecdotal evidence.
  • Future research might investigate interventions like meditation to regulate gamma rhythms and boost happiness.
  • The findings highlight the biological basis of happiness beyond emotional or behavioral aspects.

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Dev

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Latest news

  • The code for PearOS 4.0 beta 1 has been provided.
  • The code includes styling for the PearOS Desktop interface.
  • The login screen design consists of a login box with inputs for username and password.
  • There is a 'Sign In' button on the login screen.
  • The desktop interface is designed with a desktop background and icons.
  • Desktop icons include 'Files', 'Browser', and 'Settings'.
  • A taskbar is present at the bottom of the desktop.
  • The taskbar includes a 'Start' button and a clock display.
  • JavaScript functions are implemented for handling login, opening apps, and displaying the clock.

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Dev

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How to Design Modular Smart Contract In Solidity with Diamond Standard (EIP-2535)

  • Solidity faces challenges in smart contract development like the 24KB contract size limit, leading to the proposal of the Diamond Standard (EIP-2535) by Nick Mudge.
  • The Diamond Standard offers modularity and upgradeability by organizing logic into facets while using a central entry point for routing calls efficiently.
  • It aims to overcome issues like contract size limits, tight coupling, upgrade limitations, and gas inefficiency prevalent in traditional Solidity designs.
  • Key concepts include storage slot optimization, function call vs. delegate call, and function signature for routing calls in the fallback function.
  • The Diamond architecture consists of a main contract (Diamond) and multiple facets containing modular logic, enhancing scalability and maintainability.
  • Real-world applications of the Diamond Standard include powering modular gaming contracts like Aavegotchi and scalability in DeFi protocols and DAOs.
  • Pros include scalability, modularity, upgradability, and efficient storage organization, while cons entail complexity in setup and lower tooling support compared to proxies.
  • In conclusion, the Diamond Standard enables developers to address critical challenges in Solidity contract development, offering a scalable and maintainable solution for complex dApps.

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Dev

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Day 2: Deep Dive into Playwright Test Runner and Configuration playwright

  • Modern E2E testing with Playwright involves managing, configuring, and scaling tests efficiently.
  • The Playwright Test Runner is a robust framework supporting TypeScript/JavaScript, parallel execution, snapshots, fixtures and hooks, and more.
  • It eliminates the need for external frameworks like Jest or Mocha and integrates seamlessly with Playwright APIs.
  • The playwright.config.ts file serves as the central control hub for test behavior and configuration.
  • Fields in playwright.config.ts include testDir, timeout, retries, use (for context options), reporter, and projects (for cross-browser testing).
  • Playwright allows organizing tests using file and directory patterns and supports annotations for tagging and filtering tests.
  • Fixtures in Playwright aid in defining reusable test setup and teardown logic for scenarios like login flows or user roles.
  • Running and debugging tests in Playwright can be done using commands like npx playwright test and npx playwright test --debug.
  • Advanced options like targeting specific browsers using --project or running tests based on tags are available in Playwright.
  • Reports and trace viewer in Playwright provide detailed insights after test runs, including generating reports and view traces for debugging.
  • The Playwright Test Runner offers TypeScript/JavaScript support, parallelism, browser compatibility, customizable configuration, fixtures, and tagging.
  • Mastering the Playwright Test Runner and its configuration lays a strong foundation for scalable and maintainable test suites.

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