AAmit kumar·Aug 4From 70 Excel Sheets to a Digital Planning System: An Architecture StoryFor years, our production and sales planning ran on Excel. Not one file — a set of roughly 70 interconnected sheets, each owned by a different planner, each with its own formulas, macros and joins. So6 min read·amitp-dev.hashnode.dev
HHimanshu Jha·Apr 25AWS vs Spring Boot Schedulers: Making the Right Choice for Scalable Cron JobsChoosing between AWS and Spring Boot schedulers is ultimately a question of scale and reliability.12 min read·himanshu-jha.hashnode.dev
SSumit Prasad·Mar 17Upgrade from Java 11 to Java 17, 21, 25 (RHEL / Rocky / Alma / CentOS Stream)Upgrade Java 11 to 17/21/25 on RHEL-based Linux easily4 min read·technotesbysumit.hashnode.dev
AAzam Pasha·Dec 30, 2025Spring Security Complete GuideMaster Spring Security in 30 mins! Complete beginner guide with copy-paste code, real-world stories, diagrams. Secure Java apps like Netflix. No experience5 min read·spring-security-zero-to-hero-guide.hashnode.dev
MMehedi Hasan Shawon·Oct 5, 2025Goodbye Boilerplate: Elegant Object Mapping in Spring Boot with MapStructNo more manual converters — let MapStruct handle your mapping logic automatically with compile-time safety and Spring Boot integration.9 min read·backendbasicswithmehedi.hashnode.dev
AAashirwad Kumar·Oct 2, 2025Quote Negotiation Assistant for Industrial Supply Chains (Phase 1 – MVP)With Big Billion Day sales and Great Indian Festival sales, I found an idea for a project relevant to the B2B domain. Got my first taste of pricing in Flipkart’s Big Billion Days (2016–17). Seeing pen drives sold at ₹1 sparked my curiosity about B2C ...4 min read·aashirwad01.hashnode.dev
AAdhithya Lakshmivarapu·Sep 28, 2025Understanding JVM Architecture: The Beating Heart of Java | By Adhithya LakshmivarapuThe JVM architecture facilitates Java's cross-platform capabilities, allowing seamless execution of Java applications7 min read·understanding-jvm-architecture.hashnode.dev
PPankaj Deshmukh·Aug 20, 2025Path To Java ProficiencyStep-by-step guide to mastering Java, from beginner to advanced, covering core concepts, frameworks, web development, and best practices5 min read·javalearningroadmap.hashnode.dev
LLakshmiPerumal·Jul 7, 2025Deployment Strategies in MicroservicesWhat deployment strategies are commonly employed in the domain of Microservices?How to deploy microservices? Common deployment strategies in the domain of microservices include: Recreate Deployment We stop the old version of the app. Then we deploy...14 min read·malalakshmi.hashnode.dev
LLakshmiPerumal·Jul 7, 2025Transaction Management(2PC & 3PC commit) -- MicroservicesWhat is a Transaction? A transaction is a series of actions that must all be executed successfully. If any one of the actions fails, the entire set of operations is rolled back, leaving the system in its previous stable state. A transaction has the f...10 min read·malalakshmi.hashnode.dev
