https://ar7al.dev/blogTechnical articles about Go, Rust, TypeScript, and fullstack development.enhttps://ar7al.dev/blog/go-driver-interface-patternhttps://ar7al.dev/blog/go-driver-interface-patternHow I restructured DBMcp's multi-database support — replacing scattered if/else checks with a Go interface so adding a new driver only requires one new file.Fri, 22 May 2026 00:00:00 GMTGo/GolangDBMcpSoftware Designhttps://ar7al.dev/blog/the-concurrent-map-with-sharded-lockshttps://ar7al.dev/blog/the-concurrent-map-with-sharded-locksBuild a type-safe sharded map in Go using fnv hashing and sync.RWMutex for fast, race-free concurrent access.Sun, 01 Feb 2026 00:00:00 GMTGo/GolangKata 02Go Concurrencyhttps://ar7al.dev/blog/the-fail-fast-data-aggregatorhttps://ar7al.dev/blog/the-fail-fast-data-aggregatorLearn Golang's concurrency control (errgroup), Context Propagation & Functional Options.Fri, 23 Jan 2026 00:00:00 GMTGo/GolangKata 01Go Concurrencyhttps://ar7al.dev/blog/hello-worldhttps://ar7al.dev/blog/hello-worldWelcome to my blog where I share thoughts on Go, Rust, TypeScript, and building software.Thu, 22 Jan 2026 00:00:00 GMTGeneralIntroduction