Anjan Debnath

Discover my new template featuring Domain-Driven Design (DDD), CQRS, and clean architecture for Laravel 11. It's perfect for complex applications seeking clarity and maintainability Link:https://lnkd.in/dP4QK8T3 #laravel #DDD #CQRS #cleanArchitecture #CQRS #php #webdevelopment

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🌟 🚀Navigating the Microservice Lifecycle: From Development to Production In a microservice architecture, the development, deployment, and management of services are key components of ensuring the reliability, scalability, and performance of the overall system. This approach to software development emphasizes breaking down complex applications into smaller, independently deployable services, each responsible for specific business functions. However, to effectively implement a microservice architecture, a structured workflow encompassing pre-production and production stages is essential. Pre-Production Steps: 1. Development: Developers write and test code for microservices and test them in their development environments. 2. Configuration Management: Configuration settings for microservices are adjusted and tested alongside development. 3. CI/CD Setup: Continuous Integration/Continuous Deployment pipelines are configured to automate testing, building, and deployment processes. 4. Pre-Deployment Checks: A pre-deployment step is introduced to ensure that necessary checks or tasks are completed before deploying changes to production. This may include automated tests, code quality checks, or security scans. Production Steps: 1. Deployment: Changes are deployed to production using CI/CD pipelines. 2. Load Balancer Configuration: Load balancers are configured to distribute incoming traffic across multiple instances of microservices. 3. CDN Integration: CDN integration is set up to cache static content and improve content delivery performance. 4. API Gateway Configuration: API gateway is configured to manage and secure access to microservices. 5. Caching Setup: Caching mechanisms are implemented to store frequently accessed data and reduce latency. 6. Messaging System Configuration: Messaging systems are configured for asynchronous communication between microservices. 7. Monitoring Implementation: Monitoring tools are set up to monitor the health, performance, and behavior of microservices in real-time. 8. Object Store Integration: Integration with object stores is established to store and retrieve large volumes of unstructured data efficiently. 9. Wide Column Store or Linked Data Integration: Integration with databases optimized for storing large amounts of semi-structured or unstructured data is set up. Image credit: Rocky Bhatia #softwaredevelopment #microservice #tech #production #developer #cdn #deploy #api #database

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In my previous post, I shared about the Selenium In-build functions. Today, let's delve into a few common examples of Selenium. Stay tuned for more insights! 😊

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Growth as a web developer: Lv1: 🐣 Junior Developer Lv2: 🐥 Web Developer Lv3: 🦅 Senior Web Developer Lv4: 🦉 Lead Developer Lv5: 🦄 Principal Engineer How we actually grow: Lv1: 💻 I don't know what I'm doing Lv5: 💻 I don't know what I'm doing but I can GOOGLE it #learnjavascript #webdevelopment #learntocode

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🌟 Flutter Integration driver update 🌟 Appium just release a newer version of Java Client v9.3.0 with the native support for flutter integration driver! This latest version brings suport Flutter inetgration Driver and its commands, enhancing your ability to test Flutter applications with greater efficiency and precision. cc: Srinivasan Sekar Sai Krishna #Appium #JavaClient #Flutter #Testing #Automation #Flutter #FutterIntegrationTests #Android #iOS

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Mastering Grand Central Dispatch (GCD) and Operations in iOS Swift 103 Advanced GCD Features Dispatch Groups: Manage a group of tasks and get notified when they all complete. ``` let group = DispatchGroup() let queue = DispatchQueue.global() group.enter() queue.async { fetchData() group.leave() } group.enter() queue.async { print("Another task running...") sleep(1) print("Another task done!") group.leave() } group.notify(queue: DispatchQueue.main) { print("All tasks are completed.") } ``` Dispatch Semaphores: Control access to a resource with a limited number of threads. ``` let semaphore = DispatchSemaphore(value: 1) DispatchQueue.global().async { semaphore.wait() print("Accessing shared resource...") sleep(2) // Simulate work print("Done with shared resource.") semaphore.signal() } ``` #iOSDevelopment #Swift #GCD #Operations #Concurrency #MobileDevelopment #iOS #SwiftUI #CleanCode #CodeQuality #AppPerformance #MobileApps #TechTips #Programming #Developer #SwiftProgramming #Xcode

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📢 Announcement: My new course "Practical React Essentials in Urdu/Hindi" can be bought on a 40% discount using the coupon code "CWA40OFF" when you go to the checkout page. The course is still in the works and I'm uploading more lectures as I'm creating those. And by the end of the course, participants will get a Certificate of Completion as well. https://lnkd.in/dSQH4HKT #react #practicalReactEssentials #webdevelopment

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🚀 HOW TO APPROACH SYSTEM DESIGN QUESTIONS 🚀 Unlock the secrets to creating efficient, scalable systems with the PEDALS Method. Think of it as your ultimate checklist, ensuring you cover every critical component for a comprehensive and thoughtful design. 🔹 Process Requirements: Identify and understand what the system needs to achieve. 🔹 Estimate: Calculate resources, costs, and time needed. 🔹 Design the Service: Architect the core functionalities and interactions. 🔹 Articulate the Data Model: Define how data will be structured and managed. 🔹 List the Architectural Components: Enumerate all necessary components and their roles. 🔹 Scale: Plan for growth and ensure the system can handle increased load. This method prevents you from missing critical steps and ensures a well-rounded approach to system design. Elevate your engineering skills and unlock top-tier tech opportunities! Image credit: Rocky Bhatia #SystemDesign #PEDALSMethod #TechSuccess #EngineeringExcellence #learning #softwaredevelopment #webdevelopment #database

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When should we start testing to be most efficient and to produce a high-quality software product? To achieve the most effective and high-quality product, testing should start as early as possible in the software development lifecycle. Here are key points to consider: Early Testing: Testing should begin in the early stages of the development process, ideally during the requirements gathering and design phases. By identifying potential issues and ambiguities early on, you can prevent defects from propagating downstream and thus reducing the cost and effort of fixing them later. Requirements Validation: Validate requirements and specifications through techniques such as reviews, walkthroughs, and prototypes to ensure clarity, completeness, and feasibility before development begins. This helps prevent misunderstandings and discrepancies that can lead to costly rework and delays. Test-Driven Development (TDD): Adopt Test-Driven Development practices where tests are written before the code is implemented. TDD encourages developers to think about the expected behavior and edge cases upfront, resulting in more robust and testable code. Continuous Integration (CI): Integrate testing into your CI pipeline to automate the execution of tests whenever code changes are made. CI ensures that defects are caught early and frequently, allowing teams to address issues promptly and maintain a stable codebase. Usability Testing: Involve end-users or stakeholders in usability testing early in the development process to gather feedback on the user experience and interface design. Usability testing helps identify usability issues, accessibility concerns, and user preferences before finalizing the product. Shift-Left Testing: Embrace the shift-left testing approach by shifting testing activities to earlier stages of the development lifecycle. This includes activities such as unit testing, integration testing, and acceptance testing that traditionally occur later in the process. Risk-Based Testing: Prioritize testing efforts based on risk analysis to focus on areas of the application that are most critical or prone to defects. By allocating resources effectively, you can maximize test coverage and mitigate project risks efficiently. Parallel Testing: Conduct testing activities in parallel with development to accelerate feedback loops and minimize bottlenecks. Parallel testing enables faster iteration cycles, shorter time-to-market, and improved collaboration between developers and testers. By starting testing early and integrating it seamlessly into the development process, teams can identify and address issues proactively, reduce rework and technical debt, and deliver high-quality software products that meet customer expectations and business objectives.

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The difference between agile development and waterfall development is: Waterfall development often overlooks the risk of becoming inflexible to change 🛑🔄, leading to issues if project requirements evolve during the development cycle 🔍 For agile development, you get the key advantage of iterative progress and flexibility 🚀🔄✨, allowing teams to adapt to changes and continuously improve the product based on user feedback 🗣️🔧 Practical takeaway: When choosing between development strategies, consider the likelihood of changing requirements and the need for ongoing feedback 💬📝. Agile may be more suitable for projects with evolving needs 🔄, while waterfall could work better for projects with well-defined requirements and minimal changes 📊📅

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🔰 Software E2E Testing Life Cycle🔰 The end-to-end testing life cycle consists of several phases that ensure a comprehensive approach to testing an entire software application from start to finish—here are the key phases of the E2E testing life cycle. 📢 What is the E2E Testing Life Cycle 📌 Test Planning: Define test objectives based on customer requirements and application architecture after integration testing. 📌 Test Design: Set up the test environment, conduct risk and usage analysis, and create test cases, possibly using automation testing tools. 📌 Test Execution: Execute test cases, both locally and remotely, monitoring progress and consistency with the test plan. 📌 Results Analysis: Analyze test results, identify root cause of bugs, and relay findings to the development team for resolution. ⏩ Check out the SQA Bugs Documentation here: https://lnkd.in/gzAqB6AF ©️ Mejbaur Bahar Fagun #testing #softwaretesting #sqa #qa #softwaretester #e2etesting #mejbaurbaharfagun

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API Documentation: The Unsung Hero of Development Ever wondered how developers seamlessly integrate different tools and services? The answer often lies in well-crafted API documentation. It's the roadmap that guides developers through the complexities of interacting with APIs, ensuring smooth integration and efficient development. Key benefits of great API documentation: - Enhanced Developer Experience: Clear and concise documentation empowers developers to quickly understand and utilize APIs. - Faster Integration: Comprehensive documentation reduces the learning curve, allowing developers to integrate APIs faster. - Improved Collaboration: A shared understanding of APIs fosters better collaboration among teams. What are your thoughts on the importance of API documentation? Let's discuss! #API #Development #Documentation

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𝐇𝐞𝐥𝐥𝐨 𝐒𝐜𝐫𝐮𝐦 𝐌𝐚𝐬𝐭𝐞𝐫, 𝐀𝐫𝐞 𝐲𝐨𝐮 𝐬𝐭𝐫𝐮𝐠𝐠𝐥𝐢𝐧𝐠 𝐭𝐨 𝐮𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝 𝐰𝐡𝐚𝐭 𝐓𝐃𝐃 𝐚𝐧𝐝 𝐁𝐃𝐃 𝐚𝐫𝐞?  𝐖𝐨𝐧𝐝𝐞𝐫𝐢𝐧𝐠 𝐡𝐨𝐰 𝐭𝐨 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭 𝐭𝐡𝐞𝐦 𝐰𝐢𝐭𝐡 𝐲𝐨𝐮𝐫 𝐒𝐜𝐫𝐮𝐦 𝐭𝐞𝐚𝐦? What is TDD? Test-Driven Development (TDD): Write tests before writing the code. Example: 1. Write a test for a new feature. 2. Write code to pass the test. 3. Refactor the code while keeping tests green. How to Implement: 1. Define a test for a small part of functionality. 2. Write just enough code to pass the test. 3. Refactor and clean up the code. 4. Repeat for all features. Benefits: - Ensures code quality. - Reduces bugs. - Improves design. What is BDD? Behavior-Driven Development (BDD): Define the behavior of an application in plain language. Example: 1. Write scenarios in Gherkin language. 2. Define steps to execute scenarios. 3. Implement code to satisfy the steps. How to Implement: 1. Collaborate with stakeholders to define user stories. 2. Write scenarios using "Given, When, Then" format. 3. Automate these scenarios with testing frameworks. Benefits: - Enhances collaboration. - Ensures alignment with business needs. - Improves test coverage. Conclusion: Implementing TDD and BDD can significantly enhance your development process and product quality. Give them a try with your Scrum team! 𝐂𝐡𝐞𝐜𝐤 𝐨𝐮𝐭 𝐨𝐮𝐫 𝐫𝐞𝐜𝐞𝐧𝐭 𝐥𝐚𝐮𝐧𝐜𝐡 𝐟𝐨𝐫 𝐒𝐜𝐫𝐮𝐦 𝐌𝐚𝐬𝐭𝐞𝐫 𝐡𝐞𝐫𝐞 - https://lnkd.in/gpS_qQ8r #scrummaster #agilecoaching #scrum #agile‍‍‍‍‍‍ 

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🚀👨‍💻Top 20 System Design Concepts Here’s a glimpse into the post: - Distinguish between 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝗮𝗻𝗱 𝗻𝗼𝗻-𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 to align system capabilities with user expectations. - Develop a robust 𝗱𝗮𝘁𝗮 𝘀𝗰𝗵𝗲𝗺𝗮 for effective data organization and retrieval. - Focus on 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗱𝗼𝗺𝗮𝗶𝗻 𝘀𝗲𝗴𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 for modular and maintainable design. - Never compromise on 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗺𝗲𝗮𝘀𝘂𝗿𝗲𝘀; ensure data protection and identity management are top-notch. - Maintain 𝗰𝗼𝗱𝗲 𝘀𝘂𝘀𝘁𝗮𝗶𝗻𝗮𝗯𝗶𝗹𝗶𝘁𝘆 for future-proof and adaptable systems. - Set and adhere to stringent 𝘁𝗲𝘀𝘁𝗶𝗻𝗴 𝘀𝘁𝗮𝗻𝗱𝗮𝗿𝗱𝘀 to validate system robustness. - Design with the user in mind, prioritizing an 𝗶𝗻𝘁𝘂𝗶𝘁𝗶𝘃𝗲 𝗶𝗻𝘁𝗲𝗿𝗳𝗮𝗰𝗲. - Plan for 𝘂𝗽𝘁𝗶𝗺𝗲 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 to achieve maximum system availability. - Leverage 𝗰𝗹𝗼𝘂𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 for scalability and resource optimization. - Implement 𝗖𝗜/𝗖𝗗 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀 for efficient and reliable software delivery. Image credit: Hina Arora #softwaredevelopment #tech #learning #systemdesign #ci/cd #cloudservices #databases

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How do you call a method of dependent project from a library project? I have a Library Project, lets call it as "Commons" and an Automation Framework project, lets call it as "AF". "AF" depends on "Commons" and use it as dependency (Typical Java Gradle project). Usually, from "AF", we call "Commons" methods. A unique need arises for me wherein I have to invoke the method of "AF" from "Commons". How do you do that? I have come up with this approach using "Runnable". 1. In "Commons", I have declared a Runnable object. 2. Invoke the "Runnable" object if its not null wherever needed. 3. In "AF", I just need to assign the method call to that Runnable object. That's it. Let me know if you people has any better solution.

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Stress Testing: Pushing Systems to Their Limits Definition: Stress testing evaluates system behavior under extreme workloads. Analogy: Imagine overloading a truck to find its breaking point. Real-Life Example: Testing a ticket-booking app with 50,000 users during a concert ticket sale. Steps: 1. Identify maximum capacity. 2. Simulate extreme traffic using JMeter or LoadRunner. 3. Observe failure points and recovery behavior. Tips and Tricks to Remember: Stress = Spike Testing. Monitor logs to identify bottlenecks. Takeaway: Stress testing ensures your system can handle unexpected spikes. #StressTesting #PerformanceReliability

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