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Towards Data Science

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The Art of the Phillips Curve

  • The Phillips curve, a significant concept in modern macroeconomics, has been extensively covered in textbooks and relied upon by central banks worldwide.
  • Originating from the work of A. W. Phillips, the curve initially showed an inverse correlation between wage inflation and unemployment rate.
  • Early proponents like Samuelson and Solow expanded the model to include general price inflation and established a causal framework.
  • Policymakers embraced the Phillips curve in the 1960s, aiming to balance inflation and unemployment.
  • The 1970s saw the theory challenged by stagflation, leading to adjustments in the model to account for supply shocks and expectations.
  • Critiques by Friedman and Phelps highlighted flaws, the model's reliance on expectations, and the natural rate of unemployment.
  • The Phillips curve adapted to include expectations, leading to a short-run relationship but no long-run trade-off.
  • Mainstream macroeconomics pivoted to incorporate critiques, reshaping the model while avoiding its fundamental rejection.
  • Critics argue the Phillips curve has become un-falsifiable, akin to pseudo-science, due to constant adjustments to maintain validity.
  • Despite its shortcomings, the enduring popularity of the Phillips curve persists in academia, policymaking, and economics circles.

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Medium

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Modern C++23/26: from concepts to coroutines in high-performance services

  • C++23 and C++26 bring features enhancing performance and productivity in high-performance services, such as real-time analytics and game servers.
  • Concepts in C++ define requirements for template parameters, improving error handling and compiler optimizations.
  • C++23 refines concepts with better library integration, making codebases more robust and enabling precise type constraints.
  • Coroutines in C++20 simplify asynchronous programming and are lightweight constructs useful for handling concurrency in high-performance systems.
  • Coroutines utilize keywords like co_await and enable event-driven models for efficient scaling.
  • C++23 enhances library support for coroutines, making them more practical for real-world applications.
  • The std::ranges library in C++20 and C++23 offers modern sequence manipulation, aiding lazy evaluation for better performance.
  • Modules in C++23 improve compilation efficiency by replacing headers, leading to faster builds.
  • C++23 expands constexpr and introduces tools for leveraging multi-core CPUs in performance-critical applications.
  • Expected features in C++26 include static reflection and pattern matching for code optimization and readability.

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Tech Radar

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Google Messages is getting another wave of updates – here are 7 you can expect to see soon

  • Google Messages has been testing several new features recently that may soon be widely available after being unveiled over the past couple of weeks.
  • Notable updates include a 'Delete for everyone' feature in group chats with a 15-minute time window for message deletion.
  • The addition of group chat links for easy gathering, new group chat icons customization, and an expanded text message field are expected enhancements.
  • Google Messages is also rolling out a snooze messages function and live location sharing, along with content warnings for sensitive material.
  • Users will soon have the option to send photos and videos in their original quality on Google Messages, enhancing the media sharing experience.
  • Exciting updates like these aim to improve user experience and functionality within the messaging platform, making communication more efficient and enjoyable.
  • As Google continues to innovate, these upcoming features are set to enhance the overall usability and appeal of Google Messages for its users.

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The Apple Post

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Apple releases iOS 18.5 with Mail app updates, new wallpaper, bug fixes, more

  • Apple has released iOS 18.5 with updates to the Mail app, new wallpaper, bug fixes, and more.
  • iOS 18.5 includes a bug fix for the Apple Vision Pro app issue of displaying a black screen.
  • Screen Time on iOS 18.5 notifies parents when a passcode is used on a child's device & adds support for carrier-provided satellite features on iPhone 13 models.
  • A toggle to hide new contact photos design in the Mail app is also added in iOS 18.5.

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Medium

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7 Common Problems Users Face While Installing JDK (Java Development Kit) – And How to Fix Them

  • Problems with JDK installation often arise due to incorrectly set environment variables causing the system to not locate the JDK properly.
  • Ensure the JAVA_HOME environment variable is set to the JDK path and add %JAVA_HOME%\bin to the system Path variable to resolve these issues.
  • Downloading the correct JDK version that matches your system type, uninstalling conflicting JDK or JRE versions, and granting proper permissions during installation are crucial for successful setup.
  • Manually configuring JDK locations in IDEs like Eclipse or IntelliJ and overcoming macOS restrictions on unsigned apps or permissions are necessary steps for proper JDK installation.

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COSMOS

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Head of quantum software at CSIRO: Quantum computers aren’t just hardware

  • Dr. Muhammad Usman, head of quantum systems at Australia's CSIRO, emphasizes the significance of quantum software and algorithms alongside quantum hardware.
  • Data61, part of CSIRO, focuses on diverse areas like data science, AI, cyber security, and quantum computing.
  • Dr. Usman's work involves developing quantum algorithms and software with a global team at Data61.
  • Quantum computing progress includes developing quantum processors with about 100 noisy qubits, showing gradual improvement.
  • Quantum error correction schemes are essential for enhancing hardware, bridging the gap with software and algorithms.
  • Quantum computers operate using qubits that can represent 0, 1, or a blend of both due to superposition, expanding computational abilities.
  • Usman's team focuses on quantum projects like AI efficiency, traffic optimization, and climate science research.
  • Quantum artificial intelligence differs from classical AI by utilizing entanglement in neuron systems for enhanced decision-making.
  • While quantum computers are still in progress, the development of quantum software and algorithms is crucial for future readiness.
  • Usman underlines the necessity of parallel development of quantum hardware and software for effective quantum computing.

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Medium

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“Optimizing Cloud Web Servers: Why Linux Is the Backbone of DevOps in 2025”

  • LIT, or Linux Infrastructure Tools, are essential software used by DevOps engineers for efficient infrastructure management.
  • Core tasks of a DevOps engineer include setting up build and release pipelines, automating deployments, managing security, and optimizing cloud infrastructure.
  • Linux is crucial in DevOps, encompassing mastery of Linux commands, scripting, automation tools like Terraform and Ansible, and containerization with Docker & Kubernetes.
  • The article emphasizes the importance of Linux in the backbone of DevOps in 2025 for seamless software delivery, infrastructure management, and application optimization.

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Hackernoon

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Test Smarter, Not Harder: How Purpose-Built Test Management Tools Outperform Spreadsheets

  • Spreadsheets have a long history, but modern test management tools outperform them for Quality Assurance (QA) teams.
  • Using spreadsheets for tracking and managing testing processes can lead to complexity and inefficiency as features are added and release cycles shorten.
  • Limitations of spreadsheets include difficulty in managing and maintaining data, potential for team members to work on outdated versions, and quality issues in final products.
  • Modern test management tools offer advantages like centralized systems, structured data organization, and integration with other tools for efficiency.
  • Switching to test management platforms can enhance QA team effectiveness, though determining ROI may not be straightforward.
  • AI-enabled features in test management tools can improve processes by aiding bug report filing, test case scenario writing, and suggesting test cases.
  • Implementing dedicated test management solutions is advised, starting small and scaling up to address limitations and enhance workflow efficiency.
  • Spreadsheets serve as a reasonable starting point for QA teams, but as products become more complex, the need for purpose-built test management tools becomes evident.
  • Investing in the right test management software is essential for evolving with team and product needs, bringing structure, clarity, and automation to software development.
  • AI-enabled features present opportunities to streamline workflows and reduce risks of software bugs slipping through during development processes.

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Engadget

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Google Keep launches text formatting for the web

  • Google Keep has introduced rich text formatting options on its web app, which were previously available only for Android users since late 2023.
  • Users of Google Keep on the web can now bold, italicize, underline text, and create sections using H1 and H2 buttons, enhancing the text customization experience.
  • The formatting options can be accessed by clicking on the underlined A in the editor's left-hand corner, offering a simple yet beneficial update for web users.
  • The update is being rolled out to Rapid Release and Scheduled Release domains, including individual Google account holders, Workspace Individual Subscribers, and Google Workspace users.

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Pcgamer

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Musk's Colossus data center for Grok is at the centre of an environmental row over air quality in South Memphis

  • Elon Musk's Colossus data center for Grok, xAI's alternative to ChatGPT, is facing criticism over its impact on local air quality in South Memphis.
  • The supercomputer uses over 30 methane gas turbine stations to meet its power demands, drawing concerns about emissions and the potential effects on the environment.
  • Southern Environmental Law Center reported that the turbines were installed without permits and highlighted the lack of transparency in the project's development.
  • The increasing energy demands of data centers like Colossus pose challenges for sustainability and environmental impact, as reliance on fossil fuels may not be a long-term solution.

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Medium

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The LLM as Your Main Pair Programmer

  • Developers are coding differently, not just faster, due to LLM as their primary pair programmer.
  • This shift is transforming the developer's role, skillset, and daily workflow, crossing from traditional engineering workflows to a new mode of development.
  • In an LLM-native environment, skills like speed, abstraction, and machine collaboration define the craft, with coding being done differently.
  • The best engineers in this setup are those who guide the system with clarity, emphasizing the evolution of the craft rather than losing it.

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Fyfluiddynamics

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Dams Fill Reservoirs With Sediment

  • Dams naturally fill with sediment over time as rivers carry water and sediment.
  • Sediment falls out of suspension in slower-flowing reservoirs, creating colorful strata.
  • Long-term dam plans must address the challenge of sediment build-up, which is a complex and costly issue.
  • Dealing with sediment accumulation requires careful planning and investment in infrastructure.

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Infoq

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JEP 505 Delivers Fifth Preview of Java's Structured Concurrency with Key API Refinements

  • JEP 505, the Structured Concurrency Fifth Preview, has achieved Targeted status in JDK 25, serving to simplify parallel task management for developers, especially with virtual threads.
  • The latest preview refines the API introduced in preceding iterations and enables developers to open a scope using static factory methods like StructuredTaskScope.open().
  • Structured concurrency focuses on confining subtask lifetimes, implementing reliable cancellation, and enhancing observability through structured thread hierarchies.
  • The API revolves around the java.util.concurrent.StructuredTaskScope class, facilitating the management of concurrent subtasks within a specified scope.
  • A coding example illustrates the usage pattern, where tasks are forked, executed concurrently, and then joined within the scope, ensuring completion or cancellation before leaving the block.
  • A notable improvement in the fifth preview includes factory method usage for scope creation, enhancing readability and accommodating future API evolution without compatibility issues.
  • Custom policies can be supplied via factory methods like StructuredTaskScope.open(Joiner) to define specific task completion behaviors.
  • The Joiner interface offers flexibility for implementing custom completion policies, ensuring proper handling of subtask operations within the scope.
  • Each Joiner instance should be exclusively used within a single StructuredTaskScope and not across different scopes or after closure.
  • Developers are encouraged to experiment with the Structured Concurrency Fifth Preview in JDK 25 to provide feedback for further maturing the API.

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Infoq

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Java News Roundup: OpenJDK JEPs, Hibernate Reactive, Infinispan, JHipster, Gatherers4j

  • This Java news roundup covers OpenJDK JEPs, Hibernate Reactive, Infinispan, JHipster, and Gatherers4j.
  • Two JEPs, JEP 513 and JEP 505, have been targeted for JDK 25, focusing on Flexible Constructor Bodies and Structured Concurrency.
  • Three JEPs elevated to Proposed for JDK 25 include Key Derivation Function API, Vector API, and Scoped Values.
  • JEP 518 advances to Candidate status, aiming to enhance JDK Flight Recorder stability by sampling Java thread stacks.
  • JEP 516, proposing object caching with any garbage collector, moves to Candidate status for improved startup performance.
  • For JDK 25, there are nine significant JEPs, including Stable Values, Scoped Values, and Compact Source Files.
  • The JDK 25 early-access Build 22 brings fixes and updates to enhance the upcoming release version.
  • Updates in JNoSQL 1.1.7 focus on bug fixes and enhancements, offering support for new ValueReader implementations.
  • Quarkus 3.22.2 release addresses bug fixes, including improvements in handling Jakarta RESTful Web Services annotations.
  • Hibernate Reactive 3.0.0 RC1 delivers JReleaser support, new interfaces, and methods, aligning with Jakarta Persistence standards for improved flexibility.

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Knowridge

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New quantum sensors bring 4D vision to particle physics experiments

  • Quantum sensors, specifically superconducting microwire single-photon detectors (SMSPDs), are being used in particle physics experiments for better particle detection and study.
  • These sensors provide improved time and spatial resolution compared to traditional detectors, allowing scientists to track particles in space and time simultaneously.
  • SMSPDs are crucial for future particle accelerators to optimize searches for new particles, dark matter, and the origins of space and time.
  • The research team, led by Fermilab and Caltech scientists, believes these quantum sensors will be essential for upcoming projects like the Future Circular Collider, pushing the boundaries of our understanding of the universe.

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