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Web DevelopmentReactNext.jsNext.js 15 App Router: The Complete Guide for 2026Master Next.js 15 App Router — from file-based routing and server components to streaming, caching, middleware, and deployment. Everything you need to build modern React apps.April 16, 20268 min read
DevOpsGitDeveloper ToolsAdvanced Git: Rebase, Cherry-Pick, Bisect & Reflog ExplainedGo beyond git add and commit. Learn interactive rebase, cherry-pick, bisect for bug hunting, reflog for recovery, worktrees, and advanced workflows used by professional developers.April 15, 20268 min read
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RailwayTMSSignallingIoTIndian Railway TMS (Train Management System) — Architecture, Working & FutureComplete guide to Indian Railway's Train Management System (TMS). How TMS tracks trains in real-time, integrates with signalling, and modernizes operations across 68,000+ route km.April 2, 202610 min read
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NetworkingDNSInfrastructureHow DNS Works — Complete Guide to Domain Name SystemLearn how DNS works step by step — from typing a URL to loading a website. Covers DNS records, resolution process, caching, DNS security, and troubleshooting. Beginner-friendly guide.March 17, 202616 min read
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