Google updated APIs responsible for the barcode and QR code scanning to allow them to auto-zoom when a possible barcode or QR code is detected. This feature could soon roll out to Android 13 and above ...

The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick ...

While every phone can read QR codes located around you, barcode scanning is a different story altogether, and the best barcode scanner app makes it a bliss. While the process works similarly as QR ...

意外と知られていないが、1次元のバーコードは簡単に作成できる。CODE39規格用フォント(CODE39フォントなどと呼ばれる)を使って数字を書けば良いだけだ。例えば納品書や請求書に使えば、バーコードスキャナを使って簡単にデータを呼び出せるようになる。