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N26 iOS Engineer Interview Experience (with Questions)

  • The individual shares their excitement about the opportunity at N26 as an iOS Engineer, given their background in Berlin, fluency in German, and interest in finance and technology.
  • After applying online, the individual had a positive Skype interview with a recruiter, discussing their background, motivation for joining N26, and potential contributions.
  • During the interview, the individual suggested Acorns, a U.S. micro-investment app, as an idea for N26's product expansion, showing proactive thinking.
  • The recruiter appreciated the individual's enthusiasm and proactive approach.
  • The individual aimed to demonstrate their development approach focusing on real users and creating a product experience rather than just showcasing code samples.
  • The interview experience left the individual feeling positive about the connection with the recruiter and their passion coming across.
  • The individual invites others to share similar experiences or provide feedback.
  • The individual's focus was on showcasing practical development skills and thinking like a product builder.
  • The Skype interview involved discussing background, interest in N26, and ideas for product expansion.
  • The individual felt that their enthusiasm and proactive mindset resonated well during the interview.
  • The interview highlighted the importance of thinking like a developer who builds products for real users.
  • The emphasis during the interview was on showing a product-centric approach rather than solely presenting coding abilities.
  • The experience reflects the importance of demonstrating passion and practical development skills in interviews.
  • The interaction with the recruiter was engaging, with the individual feeling they had made a strong impression.
  • The individual emphasized product-focused thinking over reinventing solutions.
  • The individual appreciates sharing experiences or receiving feedback from others.

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✨ Marathi June Celebrations — A Cultural CSS Art Tribute

  • The project is a CSS art tribute to the cultural traditions of Maharashtra in June, featuring festivals like Vat Purnima, Ganga Dussehra, Ashadhi Wari, and the First Rain celebration.
  • The goal was to create a visually appealing and emotionally resonant experience using CSS art, images, and animations.
  • The project showcases the spirit of these festivals in a user-friendly manner, highlighting their emotional and spiritual significance.
  • Built with HTML, CSS, JavaScript, and Bootstrap, each festival has its own section with full-screen images, smooth scroll animations, and vibrant colors.
  • Animations were implemented using IntersectionObserver for fade-in effects and custom keyframe animations for elements like rain and trees.
  • The project maintains an immersive experience by avoiding card UI and focusing on background images and full-width sections to narrate each festival's story.
  • Attention to detail was given to evoke sentiments related to the traditions, such as the sacred banyan tree on Vat Purnima and the joy of the first monsoon.
  • The project emphasizes the importance of storytelling in frontend development and how CSS art and animation can emotionally engage users.
  • Considerations for accessibility, color contrast, and responsive design were incorporated to ensure a seamless experience on all devices.
  • The project was created by @anilgadhe as a solo endeavor and is released under the MIT License.

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What is Site Reliability Engineering? A Beginner’s Guide

  • Site Reliability Engineering (SRE) combines software engineering and operations to ensure systems run smoothly with minimal downtime, initially developed by Google.
  • SRE principles include Service Level Indicators (SLIs) & Objectives (SLOs), Error Budgets, and Incident Management for reliability and innovation balance.
  • Tools used in SRE include Prometheus, Grafana, Datadog, ELK Stack for monitoring, Terraform, Ansible for Infrastructure as Code, and GitHub Actions, Jenkins for CI/CD.
  • Chaos Engineering tools like Gremlin, Chaos Mesh are used to validate system robustness.
  • Companies like Google, Netflix, and LinkedIn leverage SRE to enhance uptime, scalability, and developer productivity, showcasing proactive reliability management.
  • Google's SRE team ensures Google Search availability at 99.999% uptime.
  • Getting started with SRE involves studying basics, understanding monitoring tools, automating incident response, and contributing to open-source projects.
  • Continuous learning and experimentation are crucial for excelling in SRE.
  • SRE is vital in today's tech operations, promising stable and optimized production environments, becoming increasingly crucial for seamless user experiences.

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Guide to AI Code Assistants: ChatGPT, Copilot, Claude & Gemini in 2025

  • AI coding assistants are becoming increasingly popular among developers, with about 75% expected to use them by mid-2025.
  • Four major AI coding assistants are evaluated in the article: ChatGPT, GitHub Copilot, Claude, and Google Gemini.
  • ChatGPT, powered by OpenAI, excels in producing well-structured code, offering debugging assistance, though sometimes requiring iterative use.
  • GitHub Copilot, from Microsoft, acts as an autocomplete in popular IDEs like VS Code, providing snappy in-editor assistance with real-time suggestions.
  • Claude by Anthropic stands out for handling large codebases and long inputs, providing intelligent analysis and generating clean, structured code.
  • Google Gemini emerges as a strong competitor, leveraging Google's expertise and real-time information for coding tasks.
  • Utilizing multiple AI assistants can cover diverse needs and enhance overall code quality through second opinions and varied strengths.
  • Considerations when selecting an AI coding assistant include workflow integration, project scope, ecosystem compatibility, user skill level, budget, and security.
  • Using AI assistants as part of the development process is increasingly common, driving productivity gains and fostering a collaborative coding environment.
  • Staying adaptive and responsive to developer feedback is crucial in navigating the evolving landscape of AI coding assistants.
  • Overall, leveraging AI coding assistants effectively can enhance developer satisfaction, productivity, and adaptability in the coding domain.

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I Was The Slowest Coder Ever (Here's How I Got Fast)

  • The author shares personal experience of being slow at coding but improving by addressing common mistakes.
  • Tips include saving commonly used code, optimizing browser tools, avoiding excessive refreshes, utilizing code editor shortcuts, organizing files sensibly, and checking web projects on mobile devices.
  • Additional suggestions involve leaving notes for future reference, incrementally implementing improvements, and using online tools for code formatting and cleanup.
  • The emphasis is on simple yet effective strategies that collectively enhance coding speed and efficiency.
  • The article concludes by encouraging readers to start implementing these changes gradually for significant time savings in coding tasks.

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Why Every Developer Needs to Try Google’s Project IDX

  • Google has launched Project IDX, a cloud-based Integrated Development Environment (IDE) for developers.
  • Project IDX aims to simplify collaboration and flexibility in coding for developers.
  • Unlike traditional IDEs, Project IDX operates entirely in the cloud, eliminating the need for massive installations.
  • With Project IDX, developers can start coding immediately without the hassle of downloading additional software.
  • Developers using Project IDX can code on any device seamlessly, including laptops, tablets, and Chromebooks.
  • Auto-save and backups are integrated into Project IDX, ensuring code safety and synchronization.
  • Project IDX offers a new coding experience that is not constrained by hardware limitations.

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My Experience with Hyperlane(1749959110834900)

  • As a junior in computer science, the author shares their positive experience using the Hyperlane Rust HTTP framework while building a campus second-hand trading platform.
  • The author highlights Hyperlane's well-designed Context (ctx) abstraction, making code logic clearer and reducing the need for constant documentation checks.
  • Route macros in Hyperlane simplify route declaration, offering beginner-friendly error messages for incorrect annotations like #[postman] instead of #[post].
  • The middleware onion model in Hyperlane enables efficient request processing and sequencing, enhancing user authentication and request handling.
  • Hyperlane's WebSocket support allows for effortless real-time chat implementation with clearly defined lifecycle stages and graceful connection closure.
  • Dynamic routing capabilities in Hyperlane with regex-based parameter matching simplify handling dynamic routes like /goods/{id} and ensure robust route error handling.
  • Performance testing showcases Hyperlane's impressive performance, outperforming similar frameworks like Gin, making it suitable for handling concurrent users effectively.
  • Despite initial hurdles, the author appreciates Hyperlane's evolution, improved features like ctx.aborted() and ctx.closed(), and reliable performance in real-world deployment.
  • Hyperlane's balance between performance and ease of use makes it particularly welcoming for student developers, offering clear documentation and easy implementation.
  • The author recommends Hyperlane for Rust web projects, emphasizing the enjoyable programming experience and the framework's suitability for student developers.
  • The article provides insights into using Hyperlane for web development, showcasing its features, benefits, and performance capabilities, making it eligible for web story generation.

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A Duet of Performance and Safety(1749958807152300)

  • The article discusses the author's exploration of a web backend framework built on Rust, highlighting its performance and safety advantages.
  • Rust's memory safety, strict Ownership, Borrowing, and Lifetimes system eradicating most memory safety issues, offering stability and high resource control.
  • The performance of Rust is comparable to C/C++ but with superior development experience and safety guarantees.
  • The framework leverages Rust's advantages for rock-solid stability and lightning-fast execution efficiency, setting a new benchmark for high performance.
  • The framework uses Tokio for concurrency handling, employing an event-driven and non-blocking I/O model to efficiently manage massive concurrent connections.
  • Extensive use of Rust's macros enhances development experience, reducing boilerplate code and improving code aesthetics.
  • The middleware mechanism of the framework allows for flexible extension and logical decoupling of concerns like authentication and logging.
  • The article compares the framework's performance advantages over mainstream dynamic language frameworks, showcasing its potential for high-concurrency scenarios.
  • The ecosystem around Rust and the framework is rapidly growing, with an emphasis on documentation quality and community building.
  • The author highlights the stability, elegance, and efficiency of the framework, recommending it as a promising choice for web backend development.
  • The exploration of the framework represents a pursuit of performance, safety, and modern engineering practices, embodying opportunities for future career development.

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Junior Year Self-Study Notes My Journey with the Framework(1749955657880800)

  • Encountered Hyperlane Rust HTTP framework with a focus on performance.
  • Added Hyperlane as a dependency in Cargo.toml for a course project.
  • Explored Hyperlane's Context abstraction for efficient request handling.
  • Noted the simplified approach in Hyperlane for accessing request methods.
  • Discovered convenient method macros for routing and handling HTTP methods.
  • Encountered issues due to missing 'async' keywords in route handlers.
  • Studied Hyperlane's response handling mechanisms, distinguishing between send() and send_once().
  • Focused on understanding Hyperlane's middleware concept known as the 'onion model.'
  • Conceptualized and implemented a logging middleware as part of the middleware workflow.
  • Explored the importance of attention to detail in Rust's asynchronous programming paradigm.

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My Architectural Choices and Practical Experience(1749955640429400)

  • The evolution of software architecture from monolithic designs to microservices has provided improved efficiency and reliability in software engineering.
  • Microservices offer benefits like independent deployment, technological variety, and fault isolation, but also introduce complexities such as distributed system management and increased testing difficulty.
  • Selecting a suitable framework is crucial for navigating the challenges of microservices, with a focus on assisting developers in addressing these complexities.
  • The featured framework in the article is highlighted for its extreme lightweightness, high performance, asynchronous processing capabilities, user-friendly inter-service communication tools, and native observability support.
  • The framework's emphasis on support for logging, tracing, and metrics contributes to effective observability in microservice systems.
  • It also boasts powerful error handling and fault tolerance mechanisms, essential for maintaining overall system availability in distributed environments.
  • A practical application example of building a microservice backend for a campus application showcases the framework's efficiency, performance, and error troubleshooting capabilities.
  • Comparatively, this Rust-based framework stands out for its performance, resource efficiency, and design philosophy that encourages building truly focused microservices.
  • In conclusion, the framework is deemed an ideal tool for navigating the microservices wave, offering extreme performance, lightweight characteristics, and robust support for modern microservice development.

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My Journey Exploring Efficient Web Development Frameworks(1749955569799600)

  • A third-year computer science student shares their journey in exploring efficient web development frameworks, leading to a significant shift in perspective on development efficiency and elegance.
  • The student discovered an open-source project that struck a balance between high performance and developer-friendly experience, demonstrating a substantial improvement in QPS and response time during high-concurrency scenarios.
  • The framework prioritizes simplicity, asynchronous non-blocking I/O, and optimized event loop for sustained high performance and resource efficiency.
  • It offers a smooth development experience with concise API design, modularity, extensibility, and support for modern web trends like native WebSocket capabilities.
  • The framework stands out for its balance between raw performance and developer-centric experience, offering concise, maintainable solutions with effective use of metaprogramming.
  • Built using Rust and Tokio asynchronous runtime, the framework ensures memory safety, fine-grained control over memory, and efficient concurrency handling.
  • It leverages coroutines effectively, reducing context-switching overhead and supporting numerous concurrent connections for optimal performance.
  • Macros and metaprogramming enhance code reusability and reduce boilerplate, contributing to a more adaptable and maintainable codebase.
  • The article concludes with the belief in the framework's potential to make a mark in the web development landscape, setting new trends and offering superior performance and development experience.
  • It encourages curious developers to explore the framework for its efficient design, high performance, and forward-thinking approach.

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Peak Performance Understated Power(1749955569150400)

  • As a junior in Computer Science, slow responses led to frustrations until discovering a high-performance framework that transformed development efficiency.
  • The article details challenges faced in web backend development and explores a unique, undisclosed framework's impact on the author's development workflow.
  • Scenarios of performance bottlenecks are described, including issues with handling high concurrency using Node.js and complexities of framework configurations like Spring Boot.
  • Resource consumption challenges with frameworks like Spring Boot and Django on low-configuration servers are highlighted, impacting operational costs and efficiency.
  • The author's quest for high-performance and lightweight solutions led to the discovery of the Hyperlane framework, offering a significant improvement in coding efficiency.
  • Encountering a persistent performance bottleneck, the author discovers a high-performance Rust Web framework through a niche tech forum post.
  • The author's fortunate discovery of the framework's design philosophy and GitHub repository, praised for its performance, code elegance, and ease of use.
  • The promising reception from users in the comments section adds to the author's anticipation and motivation to experiment with the newly discovered framework.

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The Responsibility of Bitcoin Software Developers: A Cautionary Tale

  • In March 2025, issues arose with transferring Bitcoin to Blockstream’s Green Wallet, leading to multiple failed attempts to access funds and lack of support from Blockstream.
  • Blockstream's responses to the wallet issues were initially unhelpful, shifting blame to network connectivity problems and a third-party service, which was later found to be false.
  • The situation only improved after public disclosure on X and intervention from Company A, revealing the technical glitch in Blockstream's Greenlight node.
  • Despite promises of refunding the lost sats, Blockstream required a non-disclosure agreement, which the user refused, emphasizing ethical concerns over transparency.
  • The incident raises questions about the responsibility of Bitcoin software developers in ensuring reliability, support, and transparency for user trust, highlighting the importance of developer accountability.
  • The experience with Blockstream's Lightning wallet underscores the need for developers to prioritize user support, communication, and accountability in second-layer solutions like the Lightning Network.
  • Users are encouraged to demand transparent communication and responsiveness from developers to instill confidence in second-layer solutions and uphold trust within the Bitcoin ecosystem.
  • The user emphasizes that the responsibility of Bitcoin software developers goes beyond technical aspects; it extends to building and maintaining trust within the community.
  • Lessons from this experience with Blockstream's Lightning wallet serve as a cautionary tale, emphasizing the critical role developers play in upholding trust and reliability in Bitcoin software.
  • Transparency, support, and accountability are key factors that users should prioritize and expect from Bitcoin software developers to ensure the security and trustworthiness of the ecosystem.
  • Overall, the incident highlights the importance of user trust and developer responsibility in maintaining the integrity and reliability of Bitcoin software and second-layer solutions.

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Understanding Clean Architecture in iOS: A Beginner’s Guide

  • Building an iOS app can lead to a ViewController with multiple responsibilities, known as Massive ViewController Syndrome.
  • Clean Architecture is a system that helps in separating code into layers, ensuring each piece knows its job and stays in its lane.
  • Clean Architecture is likened to Marie Kondo for codebases, aiming to organize, isolate, and bring joy to development.
  • The article is a beginner's guide to understanding Clean Architecture in iOS development.
  • It explains what Clean Architecture is, why it's important, and how it integrates into iOS development.
  • Clean Architecture helps prevent the codebase from becoming overly complex and intertwined.
  • By separating concerns, Clean Architecture makes code easier to maintain and helps in adding new features without breaking existing functionality.
  • The guide aims to simplify Clean Architecture concepts in a beginner-friendly manner.
  • It focuses on the benefits of Clean Architecture in iOS app development.
  • Clean Architecture can improve the overall structure and scalability of iOS apps.
  • Understanding Clean Architecture can lead to more efficient and sustainable iOS app development practices.
  • The guide intends to make learning Clean Architecture enjoyable and practical for iOS developers.
  • It encourages developers to adopt Clean Architecture to enhance code quality and development experience.
  • By following Clean Architecture principles, developers can make their codebases more organized and maintainable.
  • The article aims to help developers implement Clean Architecture in iOS apps effectively and without feeling overwhelmed.
  • The guide provides insights and tips for successfully implementing Clean Architecture in iOS development projects.

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Junior Year Self-Study Notes My Journey with the Framework(1749950996103900)

  • The author shares their experience with the Hyperlane Rust HTTP framework they encountered on GitHub during a distributed systems course project.
  • Hyperlane is described as a high-performance, lightweight Rust HTTP framework aimed at modern web service development.
  • The author added Hyperlane as a dependency in their Cargo.toml file.
  • The author delves into Hyperlane's Context abstraction, highlighting its concise approach for retrieving request methods.
  • Hyperlane simplifies chained calls, enhancing code readability with auto-generated getter and setter methods.
  • The exploration of Hyperlane's routing and HTTP method macros for implementing RESTful APIs is covered.
  • An issue encountered by the author due to missing the async keyword in route handler functions is discussed.
  • The author dedicates time to studying Hyperlane's response APIs and creates a comparison table for a better understanding of response handling mechanisms.
  • The difference between send() and send_once() with regard to maintaining the TCP connection is highlighted.
  • The author gains insight into Hyperlane's middleware workflow through diagrams illustrating the 'onion model.'
  • An attempt to implement a logging middleware is mentioned as an illustration of the middleware concept.

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