
How Does a Wait Group Work in Go? โฐ
EazyCode
Welcome doston! ๐ Aaj ke video mein hum QR Code Generator Project in GoLang ko detail mein breakdown karenge. Ye project ek complete package hai jisme aapko Design Patterns, Database Integration, Caching, aur Concurrency sab kuch ek saath seekhne ko milega! ๐ฅ ๐ฏ By the end of this video, youโll be able to: โ Implement Factory Method Pattern in Go โ Build a Thread-Safe Cache using sync.Mutex & maps โ Use MySQL + GORM for seamless DB integration โ Generate Standard, Custom & Batch QR Codes โ Decode QR Codes with a Scanner utility โ Understand Clean Architecture with internal packages ๐ Project Structure (File-by-File) main.go โ Entry point (CLI router) cache.go โ Thread-safe in-memory cache db.go โ MySQL + GORM integration generator/ โ Standard, Custom & Batch QR generators scanner.go โ QR code scanner utility models.go โ Database schema for QR records โจ Real-World Use Case: QR Codes har jagah use hote hain โ Payments, Menus, Tickets, Marketing campaigns. Ye project aapko interviews crack karne ke saath production-ready utilities banane ka confidence dega. ๐ก Pro Tip: Run this project locally and tweak it! The fastest way to learn Go is by building & breaking things yourself. ๐ #golang #qrcode #interviewprep #programming #opensource #education #backend #softwareengineering