Jackson JiangforWalkthrough with Jjacksonjiang.hashnode.net·Jan 3, 2023How to Develop a QR Code Scanner for Paying ParkingBackground One afternoon, many weeks ago when I tried to exit a parking lot, I was — once again — battling with technology as I tried to pay the parking fee. I opened an app and used it to scan the QR payment code on the wall, but it just wouldn't re...JavaAdd a thoughtful commentNo comments yetBe the first to start the conversation.
